diff options
Diffstat (limited to 'ext/sodium/libsodium.c')
| -rw-r--r-- | ext/sodium/libsodium.c | 2688 |
1 files changed, 2688 insertions, 0 deletions
diff --git a/ext/sodium/libsodium.c b/ext/sodium/libsodium.c new file mode 100644 index 0000000000..ae93e6dc58 --- /dev/null +++ b/ext/sodium/libsodium.c @@ -0,0 +1,2688 @@ +/* + +----------------------------------------------------------------------+ + | PHP Version 7 | + +----------------------------------------------------------------------+ + | Copyright (c) 1997-2017 The PHP Group | + +----------------------------------------------------------------------+ + | This source file is subject to version 3.01 of the PHP license, | + | that is bundled with this package in the file LICENSE, and is | + | available through the world-wide-web at the following url: | + | http://www.php.net/license/3_01.txt | + | If you did not receive a copy of the PHP license and are unable to | + | obtain it through the world-wide-web, please send a note to | + | license@php.net so we can mail you a copy immediately. | + +----------------------------------------------------------------------+ + | Authors: Andi Gutmans <andi@zend.com> | + | Zeev Suraski <zeev@zend.com> | + | Rasmus Lerdorf <rasmus@php.net> | + | Andrei Zmievski <andrei@php.net> | + | Stig Venaas <venaas@php.net> | + | Jason Greene <jason@php.net> | + +----------------------------------------------------------------------+ +*/ + +#ifdef HAVE_CONFIG_H +# include "config.h" +#endif + +#include "php.h" +#include "php_ini.h" +#include "ext/standard/info.h" +#include "php_libsodium.h" +#include "zend_exceptions.h" + +#include <sodium.h> +#include <stdint.h> + +#define PHP_SODIUM_ZSTR_TRUNCATE(zs, len) do { ZSTR_LEN(zs) = (len); } while(0) + +static zend_class_entry *sodium_exception_ce; + +ZEND_BEGIN_ARG_INFO_EX(AI_None, 0, 0, 0) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_FirstArgByReferenceSecondLength, 0, 0, 2) + ZEND_ARG_INFO(1, reference) + ZEND_ARG_INFO(0, length) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_String, 0, 0, 1) + ZEND_ARG_INFO(0, string) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_StringRef, 0, 0, 1) + ZEND_ARG_INFO(1, string) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_TwoStrings, 0, 0, 2) + ZEND_ARG_INFO(0, string_1) + ZEND_ARG_INFO(0, string_2) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_StringRef_And_String, 0, 0, 2) + ZEND_ARG_INFO(1, string_1) + ZEND_ARG_INFO(0, string_2) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_FourStrings, 0, 0, 3) + ZEND_ARG_INFO(0, string_1) + ZEND_ARG_INFO(0, string_2) + ZEND_ARG_INFO(0, string_3) + ZEND_ARG_INFO(0, string_4) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_StringAndKey, 0, 0, 2) + ZEND_ARG_INFO(0, string) + ZEND_ARG_INFO(0, key) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_StringAndKeyPair, 0, 0, 2) + ZEND_ARG_INFO(0, string) + ZEND_ARG_INFO(0, keypair) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_SignatureAndStringAndKey, 0, 0, 3) + ZEND_ARG_INFO(0, signature) + ZEND_ARG_INFO(0, string) + ZEND_ARG_INFO(0, key) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_Key, 0, 0, 1) + ZEND_ARG_INFO(0, key) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_SecretKeyAndPublicKey, 0, 0, 2) + ZEND_ARG_INFO(0, secret_key) + ZEND_ARG_INFO(0, public_key) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_LengthAndNonceAndKey, 0, 0, 3) + ZEND_ARG_INFO(0, length) + ZEND_ARG_INFO(0, nonce) + ZEND_ARG_INFO(0, key) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_StringAndNonceAndKey, 0, 0, 3) + ZEND_ARG_INFO(0, string) + ZEND_ARG_INFO(0, nonce) + ZEND_ARG_INFO(0, key) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_StringAndNonceAndKeyPair, 0, 0, 3) + ZEND_ARG_INFO(0, string) + ZEND_ARG_INFO(0, nonce) + ZEND_ARG_INFO(0, key) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_StringAndMaybeKeyAndLength, 0, 0, 1) + ZEND_ARG_INFO(0, string) + /* optional */ + ZEND_ARG_INFO(0, key) + ZEND_ARG_INFO(0, length) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_LengthAndPasswordAndSaltAndOpsLimitAndMemLimit, 0, 0, 5) + ZEND_ARG_INFO(0, length) + ZEND_ARG_INFO(0, password) + ZEND_ARG_INFO(0, salt) + ZEND_ARG_INFO(0, opslimit) + ZEND_ARG_INFO(0, memlimit) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_PasswordAndOpsLimitAndMemLimit, 0, 0, 3) + ZEND_ARG_INFO(0, password) + ZEND_ARG_INFO(0, opslimit) + ZEND_ARG_INFO(0, memlimit) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_HashAndPassword, 0, 0, 2) + ZEND_ARG_INFO(0, hash) + ZEND_ARG_INFO(0, password) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_StringAndADAndNonceAndKey, 0, 0, 4) + ZEND_ARG_INFO(0, string) + ZEND_ARG_INFO(0, ad) + ZEND_ARG_INFO(0, nonce) + ZEND_ARG_INFO(0, key) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_StateByReferenceAndMaybeLength, 0, 0, 1) + ZEND_ARG_INFO(1, state) + /* optional */ + ZEND_ARG_INFO(0, length) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_StateByReferenceAndString, 0, 0, 2) + ZEND_ARG_INFO(1, state) + ZEND_ARG_INFO(0, string) +ZEND_END_ARG_INFO() + +ZEND_BEGIN_ARG_INFO_EX(AI_MaybeKeyAndLength, 0, 0, 0) + /* optional */ + ZEND_ARG_INFO(0, key) + ZEND_ARG_INFO(0, length) +ZEND_END_ARG_INFO() + +#if defined(HAVE_CRYPTO_AEAD_AES256GCM) && defined(crypto_aead_aes256gcm_KEYBYTES) && \ + (defined(__amd64) || defined(__amd64__) || defined(__x86_64__) || defined(__i386__) || \ + defined(_M_AMD64) || defined(_M_IX86)) +# define HAVE_AESGCM 1 +#endif + +const zend_function_entry sodium_functions[] = { + PHP_FE(sodium_crypto_aead_aes256gcm_is_available, AI_None) +#ifdef HAVE_AESGCM + PHP_FE(sodium_crypto_aead_aes256gcm_decrypt, AI_StringAndADAndNonceAndKey) + PHP_FE(sodium_crypto_aead_aes256gcm_encrypt, AI_StringAndADAndNonceAndKey) +#endif + PHP_FE(sodium_crypto_aead_chacha20poly1305_decrypt, AI_StringAndADAndNonceAndKey) + PHP_FE(sodium_crypto_aead_chacha20poly1305_encrypt, AI_StringAndADAndNonceAndKey) +#ifdef crypto_aead_chacha20poly1305_IETF_NPUBBYTES + PHP_FE(sodium_crypto_aead_chacha20poly1305_ietf_decrypt, AI_StringAndADAndNonceAndKey) + PHP_FE(sodium_crypto_aead_chacha20poly1305_ietf_encrypt, AI_StringAndADAndNonceAndKey) +#endif +#ifdef crypto_aead_xchacha20poly1305_IETF_NPUBBYTES + PHP_FE(sodium_crypto_aead_xchacha20poly1305_ietf_decrypt, AI_StringAndADAndNonceAndKey) + PHP_FE(sodium_crypto_aead_xchacha20poly1305_ietf_encrypt, AI_StringAndADAndNonceAndKey) +#endif + PHP_FE(sodium_crypto_auth, AI_StringAndKey) + PHP_FE(sodium_crypto_auth_verify, AI_SignatureAndStringAndKey) + PHP_FE(sodium_crypto_box, AI_StringAndNonceAndKeyPair) + PHP_FE(sodium_crypto_box_keypair, AI_None) + PHP_FE(sodium_crypto_box_seed_keypair, AI_Key) + PHP_FE(sodium_crypto_box_keypair_from_secretkey_and_publickey, AI_SecretKeyAndPublicKey) + PHP_FE(sodium_crypto_box_open, AI_StringAndNonceAndKey) + PHP_FE(sodium_crypto_box_publickey, AI_Key) + PHP_FE(sodium_crypto_box_publickey_from_secretkey, AI_Key) +#ifdef crypto_box_SEALBYTES + PHP_FE(sodium_crypto_box_seal, AI_StringAndKey) + PHP_FE(sodium_crypto_box_seal_open, AI_StringAndKey) +#endif + PHP_FE(sodium_crypto_box_secretkey, AI_Key) + PHP_FE(sodium_crypto_kx, AI_FourStrings) + PHP_FE(sodium_crypto_generichash, AI_StringAndMaybeKeyAndLength) + PHP_FE(sodium_crypto_generichash_init, AI_MaybeKeyAndLength) + PHP_FE(sodium_crypto_generichash_update, AI_StateByReferenceAndString) + PHP_FE(sodium_crypto_generichash_final, AI_StateByReferenceAndMaybeLength) +#ifdef crypto_pwhash_SALTBYTES + PHP_FE(sodium_crypto_pwhash, AI_LengthAndPasswordAndSaltAndOpsLimitAndMemLimit) + PHP_FE(sodium_crypto_pwhash_str, AI_PasswordAndOpsLimitAndMemLimit) + PHP_FE(sodium_crypto_pwhash_str_verify, AI_HashAndPassword) +#endif + PHP_FE(sodium_crypto_pwhash_scryptsalsa208sha256, AI_LengthAndPasswordAndSaltAndOpsLimitAndMemLimit) + PHP_FE(sodium_crypto_pwhash_scryptsalsa208sha256_str, AI_PasswordAndOpsLimitAndMemLimit) + PHP_FE(sodium_crypto_pwhash_scryptsalsa208sha256_str_verify, AI_HashAndPassword) + PHP_FE(sodium_crypto_scalarmult, AI_TwoStrings) + PHP_FE(sodium_crypto_secretbox, AI_StringAndNonceAndKey) + PHP_FE(sodium_crypto_secretbox_open, AI_StringAndNonceAndKey) + PHP_FE(sodium_crypto_shorthash, AI_StringAndKey) + PHP_FE(sodium_crypto_sign, AI_StringAndKeyPair) + PHP_FE(sodium_crypto_sign_detached, AI_StringAndKeyPair) + PHP_FE(sodium_crypto_sign_ed25519_pk_to_curve25519, AI_Key) + PHP_FE(sodium_crypto_sign_ed25519_sk_to_curve25519, AI_Key) + PHP_FE(sodium_crypto_sign_keypair, AI_None) + PHP_FE(sodium_crypto_sign_keypair_from_secretkey_and_publickey, AI_SecretKeyAndPublicKey) + PHP_FE(sodium_crypto_sign_open, AI_StringAndKeyPair) + PHP_FE(sodium_crypto_sign_publickey, AI_Key) + PHP_FE(sodium_crypto_sign_secretkey, AI_Key) + PHP_FE(sodium_crypto_sign_publickey_from_secretkey, AI_Key) + PHP_FE(sodium_crypto_sign_seed_keypair, AI_Key) + PHP_FE(sodium_crypto_sign_verify_detached, AI_SignatureAndStringAndKey) + PHP_FE(sodium_crypto_stream, AI_LengthAndNonceAndKey) + PHP_FE(sodium_crypto_stream_xor, AI_StringAndNonceAndKey) + PHP_FE(sodium_bin2hex, AI_String) +#if SODIUM_LIBRARY_VERSION_MAJOR > 7 || \ + (SODIUM_LIBRARY_VERSION_MAJOR == 7 && SODIUM_LIBRARY_VERSION_MINOR >= 6) + PHP_FE(sodium_compare, AI_TwoStrings) +#endif + PHP_FE(sodium_hex2bin, AI_TwoStrings) + PHP_FE(sodium_increment, AI_StringRef) + PHP_FE(sodium_add, AI_StringRef_And_String) + PHP_FE(sodium_memcmp, AI_TwoStrings) + PHP_FE(sodium_memzero, AI_FirstArgByReferenceSecondLength) + + PHP_FALIAS(sodium_crypto_scalarmult_base, sodium_crypto_box_publickey_from_secretkey, AI_TwoStrings) + + PHP_FE_END +}; + +zend_module_entry sodium_module_entry = { + STANDARD_MODULE_HEADER, + "sodium", + sodium_functions, + PHP_MINIT(sodium), + PHP_MSHUTDOWN(sodium), + NULL, + NULL, + PHP_MINFO(sodium), + PHP_SODIUM_VERSION, + STANDARD_MODULE_PROPERTIES +}; +/* }}} */ + +#ifdef COMPILE_DL_SODIUM +ZEND_GET_MODULE(sodium) +#endif + +static zend_object *sodium_exception_create_object(zend_class_entry *ce) { + zend_object *obj = zend_ce_exception->create_object(ce); + zval obj_zv, rv, *trace; + + /* Remove argument information from backtrace to prevent information leaks */ + ZVAL_OBJ(&obj_zv, obj); + trace = zend_read_property(zend_ce_exception, &obj_zv, "trace", sizeof("trace")-1, 0, &rv); + if (trace && Z_TYPE_P(trace) == IS_ARRAY) { + zval *frame; + ZEND_HASH_FOREACH_VAL(Z_ARRVAL_P(trace), frame) { + if (Z_TYPE_P(frame) == IS_ARRAY) { + zval *args = zend_hash_str_find(Z_ARRVAL_P(frame), "args", sizeof("args")-1); + if (args && Z_TYPE_P(frame) == IS_ARRAY) { + zend_hash_clean(Z_ARRVAL_P(args)); + } + } + } ZEND_HASH_FOREACH_END(); + } + + return obj; +} + +static void sodium_separate_string(zval *zv) { + ZEND_ASSERT(Z_TYPE_P(zv) == IS_STRING); + if (!Z_REFCOUNTED_P(zv) || Z_REFCOUNT_P(zv) > 1) { + zend_string *copy = zend_string_init(Z_STRVAL_P(zv), Z_STRLEN_P(zv), 0); + Z_TRY_DELREF_P(zv); + ZVAL_STR(zv, copy); + } +} + +PHP_MINIT_FUNCTION(sodium) +{ + zend_class_entry ce; + + if (sodium_init() != 0) { + zend_error(E_ERROR, "sodium_init()"); + } + + INIT_CLASS_ENTRY(ce, "SodiumException", NULL); + sodium_exception_ce = zend_register_internal_class_ex(&ce, zend_ce_exception); + sodium_exception_ce->create_object = sodium_exception_create_object; + + REGISTER_STRING_CONSTANT("SODIUM_LIBRARY_VERSION", + (char *) (void *) sodium_version_string(), CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_LIBRARY_MAJOR_VERSION", + sodium_library_version_major(), CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_LIBRARY_MINOR_VERSION", + sodium_library_version_minor(), CONST_CS | CONST_PERSISTENT); +#ifdef HAVE_AESGCM + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_AES256GCM_KEYBYTES", + crypto_aead_aes256gcm_KEYBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_AES256GCM_NSECBYTES", + crypto_aead_aes256gcm_NSECBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_AES256GCM_NPUBBYTES", + crypto_aead_aes256gcm_NPUBBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_AES256GCM_ABYTES", + crypto_aead_aes256gcm_ABYTES, CONST_CS | CONST_PERSISTENT); +#endif + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES", + crypto_aead_chacha20poly1305_KEYBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_NSECBYTES", + crypto_aead_chacha20poly1305_NSECBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES", + crypto_aead_chacha20poly1305_NPUBBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_ABYTES", + crypto_aead_chacha20poly1305_ABYTES, CONST_CS | CONST_PERSISTENT); +#ifdef crypto_aead_chacha20poly1305_IETF_NPUBBYTES + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_IETF_KEYBYTES", + crypto_aead_chacha20poly1305_KEYBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_IETF_NSECBYTES", + crypto_aead_chacha20poly1305_NSECBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES", + crypto_aead_chacha20poly1305_IETF_NPUBBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_CHACHA20POLY1305_IETF_ABYTES", + crypto_aead_chacha20poly1305_ABYTES, CONST_CS | CONST_PERSISTENT); +#endif +#ifdef crypto_aead_xchacha20poly1305_IETF_NPUBBYTES + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES", + crypto_aead_xchacha20poly1305_IETF_KEYBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NSECBYTES", + crypto_aead_xchacha20poly1305_IETF_NSECBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES", + crypto_aead_xchacha20poly1305_IETF_NPUBBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AEAD_XCHACHA20POLY1305_IETF_ABYTES", + crypto_aead_xchacha20poly1305_IETF_ABYTES, CONST_CS | CONST_PERSISTENT); +#endif + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AUTH_BYTES", + crypto_auth_BYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_AUTH_KEYBYTES", + crypto_auth_KEYBYTES, CONST_CS | CONST_PERSISTENT); +#ifdef crypto_box_SEALBYTES + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_BOX_SEALBYTES", + crypto_box_SEALBYTES, CONST_CS | CONST_PERSISTENT); +#endif + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_BOX_SECRETKEYBYTES", + crypto_box_SECRETKEYBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_BOX_PUBLICKEYBYTES", + crypto_box_PUBLICKEYBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_BOX_KEYPAIRBYTES", + crypto_box_SECRETKEYBYTES + crypto_box_PUBLICKEYBYTES, + CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_BOX_MACBYTES", + crypto_box_MACBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_BOX_NONCEBYTES", + crypto_box_NONCEBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_BOX_SEEDBYTES", + crypto_box_SEEDBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_KX_BYTES", + crypto_kx_BYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_KX_PUBLICKEYBYTES", + crypto_kx_PUBLICKEYBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_KX_SECRETKEYBYTES", + crypto_kx_SECRETKEYBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_GENERICHASH_BYTES", + crypto_generichash_BYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_GENERICHASH_BYTES_MIN", + crypto_generichash_BYTES_MIN, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_GENERICHASH_BYTES_MAX", + crypto_generichash_BYTES_MAX, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_GENERICHASH_KEYBYTES", + crypto_generichash_KEYBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_GENERICHASH_KEYBYTES_MIN", + crypto_generichash_KEYBYTES_MIN, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_GENERICHASH_KEYBYTES_MAX", + crypto_generichash_KEYBYTES_MAX, CONST_CS | CONST_PERSISTENT); +#ifdef crypto_pwhash_SALTBYTES + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_SALTBYTES", + crypto_pwhash_SALTBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_STRING_CONSTANT("SODIUM_CRYPTO_PWHASH_STRPREFIX", + crypto_pwhash_STRPREFIX, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE", + crypto_pwhash_opslimit_interactive(), CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE", + crypto_pwhash_memlimit_interactive(), CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_OPSLIMIT_MODERATE", + crypto_pwhash_opslimit_moderate(), CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_MEMLIMIT_MODERATE", + crypto_pwhash_memlimit_moderate(), CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_OPSLIMIT_SENSITIVE", + crypto_pwhash_opslimit_sensitive(), CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_MEMLIMIT_SENSITIVE", + crypto_pwhash_memlimit_sensitive(), CONST_CS | CONST_PERSISTENT); +#endif + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_SCRYPTSALSA208SHA256_SALTBYTES", + crypto_pwhash_scryptsalsa208sha256_SALTBYTES, CONST_CS | CONST_PERSISTENT); +#ifndef crypto_pwhash_scryptsalsa208sha256_STRPREFIX +# define crypto_pwhash_scryptsalsa208sha256_STRPREFIX "$7$" +#endif + REGISTER_STRING_CONSTANT("SODIUM_CRYPTO_PWHASH_SCRYPTSALSA208SHA256_STRPREFIX", + crypto_pwhash_scryptsalsa208sha256_STRPREFIX, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_SCRYPTSALSA208SHA256_OPSLIMIT_INTERACTIVE", + crypto_pwhash_scryptsalsa208sha256_opslimit_interactive(), CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_SCRYPTSALSA208SHA256_MEMLIMIT_INTERACTIVE", + crypto_pwhash_scryptsalsa208sha256_memlimit_interactive(), CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_SCRYPTSALSA208SHA256_OPSLIMIT_SENSITIVE", + crypto_pwhash_scryptsalsa208sha256_opslimit_sensitive(), CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_PWHASH_SCRYPTSALSA208SHA256_MEMLIMIT_SENSITIVE", + crypto_pwhash_scryptsalsa208sha256_memlimit_sensitive(), CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SCALARMULT_BYTES", + crypto_scalarmult_BYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SCALARMULT_SCALARBYTES", + crypto_scalarmult_SCALARBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SHORTHASH_BYTES", + crypto_shorthash_BYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SHORTHASH_KEYBYTES", + crypto_shorthash_KEYBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SECRETBOX_KEYBYTES", + crypto_secretbox_KEYBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SECRETBOX_MACBYTES", + crypto_secretbox_MACBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SECRETBOX_NONCEBYTES", + crypto_secretbox_NONCEBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SIGN_BYTES", + crypto_sign_BYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SIGN_SEEDBYTES", + crypto_sign_SEEDBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SIGN_PUBLICKEYBYTES", + crypto_sign_PUBLICKEYBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SIGN_SECRETKEYBYTES", + crypto_sign_SECRETKEYBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_SIGN_KEYPAIRBYTES", + crypto_sign_SECRETKEYBYTES + crypto_sign_PUBLICKEYBYTES, + CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_STREAM_NONCEBYTES", + crypto_stream_NONCEBYTES, CONST_CS | CONST_PERSISTENT); + REGISTER_LONG_CONSTANT("SODIUM_CRYPTO_STREAM_KEYBYTES", + crypto_stream_KEYBYTES, CONST_CS | CONST_PERSISTENT); + return SUCCESS; +} + +PHP_MSHUTDOWN_FUNCTION(sodium) +{ + return SUCCESS; +} + +PHP_MINFO_FUNCTION(sodium) +{ + php_info_print_table_start(); + php_info_print_table_header(2, "sodium support", "enabled"); + php_info_print_table_header(2, "libsodium headers version", SODIUM_VERSION_STRING); + php_info_print_table_header(2, "libsodium library version", sodium_version_string()); + php_info_print_table_end(); +} + +PHP_FUNCTION(sodium_memzero) +{ + zval *buf_zv; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), + "z", &buf_zv) == FAILURE) { + return; + } + ZVAL_DEREF(buf_zv); + if (Z_TYPE_P(buf_zv) != IS_STRING) { + zend_throw_exception(sodium_exception_ce, "memzero: a PHP string is required", 0); + return; + } + if (Z_REFCOUNTED_P(buf_zv) && Z_REFCOUNT_P(buf_zv) == 1) { + char *buf = Z_STRVAL(*buf_zv); + size_t buf_len = Z_STRLEN(*buf_zv); + if (buf_len > 0) { + sodium_memzero(buf, (size_t) buf_len); + } + } + convert_to_null(buf_zv); +} + +PHP_FUNCTION(sodium_increment) +{ + zval *val_zv; + unsigned char *val; + size_t i; + size_t val_len; + unsigned int c; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), + "z", &val_zv) == FAILURE) { + return; + } + ZVAL_DEREF(val_zv); + if (Z_TYPE_P(val_zv) != IS_STRING) { + zend_throw_exception(sodium_exception_ce, "increment(): a PHP string is required", 0); + return; + } + + sodium_separate_string(val_zv); + val = (unsigned char *) Z_STRVAL(*val_zv); + val_len = Z_STRLEN(*val_zv); + c = 1U << 8; + for (i = (size_t) 0U; i < val_len; i++) { + c >>= 8; + c += val[i]; + val[i] = (unsigned char) c; + } +} + +PHP_FUNCTION(sodium_add) +{ + zval *val_zv; + unsigned char *val; + unsigned char *addv; + size_t i; + size_t val_len; + size_t addv_len; + unsigned int c; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), + "zs", &val_zv, &addv, &addv_len) == FAILURE) { + return; + } + ZVAL_DEREF(val_zv); + if (Z_TYPE_P(val_zv) != IS_STRING) { + zend_throw_exception(sodium_exception_ce, "add(): PHP strings are required", 0); + return; + } + + sodium_separate_string(val_zv); + val = (unsigned char *) Z_STRVAL(*val_zv); + val_len = Z_STRLEN(*val_zv); + if (val_len != addv_len) { + zend_throw_exception(sodium_exception_ce, "add(): values must have the same length", 0); + return; + } + c = 0U; + for (i = (size_t) 0U; i < val_len; i++) { + c += val[i] + addv[i]; + val[i] = (unsigned char) c; + c >>= 8; + } +} + +PHP_FUNCTION(sodium_memcmp) +{ + char *buf1; + char *buf2; + size_t len1; + size_t len2; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss", + &buf1, &len1, + &buf2, &len2) == FAILURE) { + return; + } + if (len1 != len2) { + zend_throw_exception(sodium_exception_ce, "memcmp(): arguments have different sizes", 0); + } else { + RETURN_LONG(sodium_memcmp(buf1, buf2, len1)); + } +} + +PHP_FUNCTION(sodium_crypto_shorthash) +{ + zend_string *hash; + unsigned char *key; + unsigned char *msg; + size_t key_len; + size_t msg_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss", + &msg, &msg_len, + &key, &key_len) == FAILURE) { + return; + } + if (key_len != crypto_shorthash_KEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_shorthash(): key size should be " + "CRYPTO_SHORTHASH_KEYBYTES bytes", + 0); + return; + } + hash = zend_string_alloc(crypto_shorthash_BYTES, 0); + if (crypto_shorthash((unsigned char *) ZSTR_VAL(hash), msg, + (unsigned long long) msg_len, key) != 0) { + zend_string_free(hash); + zend_throw_exception(sodium_exception_ce, "crypto_shorthash(): internal error", 0); + return; + } + ZSTR_VAL(hash)[crypto_shorthash_BYTES] = 0; + + RETURN_STR(hash); +} + +PHP_FUNCTION(sodium_crypto_secretbox) +{ + zend_string *ciphertext; + unsigned char *key; + unsigned char *msg; + unsigned char *nonce; + size_t key_len; + size_t msg_len; + size_t nonce_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "sss", + &msg, &msg_len, + &nonce, &nonce_len, + &key, &key_len) == FAILURE) { + return; + } + if (nonce_len != crypto_secretbox_NONCEBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_secretbox(): nonce size should be " + "CRYPTO_SECRETBOX_NONCEBYTES bytes", + 0); + return; + } + if (key_len != crypto_secretbox_KEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_secretbox(): key size should be " + "CRYPTO_SECRETBOX_KEYBYTES bytes", + 0); + return; + } + if (SIZE_MAX - msg_len <= crypto_secretbox_MACBYTES) { + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + ciphertext = zend_string_alloc((size_t) msg_len + crypto_secretbox_MACBYTES, 0); + if (crypto_secretbox_easy((unsigned char *) ZSTR_VAL(ciphertext), + msg, (unsigned long long) msg_len, + nonce, key) != 0) { + zend_string_free(ciphertext); + zend_throw_exception(sodium_exception_ce, "crypto_secretbox(): internal error", 0); + return; + } + ZSTR_VAL(ciphertext)[msg_len + crypto_secretbox_MACBYTES] = 0; + + RETURN_STR(ciphertext); +} + +PHP_FUNCTION(sodium_crypto_secretbox_open) +{ + zend_string *msg; + unsigned char *key; + unsigned char *ciphertext; + unsigned char *nonce; + size_t key_len; + size_t ciphertext_len; + size_t nonce_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "sss", + &ciphertext, &ciphertext_len, + &nonce, &nonce_len, + &key, &key_len) == FAILURE) { + return; + } + if (nonce_len != crypto_secretbox_NONCEBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_secretbox_open(): nonce size should be " + "CRYPTO_SECRETBOX_NONCEBYTES bytes", + 0); + return; + } + if (key_len != crypto_secretbox_KEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_secretbox_open(): key size should be " + "CRYPTO_SECRETBOX_KEYBYTES bytes", + 0); + return; + } + if (ciphertext_len < crypto_secretbox_MACBYTES) { + RETURN_FALSE; + } + msg = zend_string_alloc + ((size_t) ciphertext_len - crypto_secretbox_MACBYTES, 0); + if (crypto_secretbox_open_easy((unsigned char *) ZSTR_VAL(msg), ciphertext, + (unsigned long long) ciphertext_len, + nonce, key) != 0) { + zend_string_free(msg); + RETURN_FALSE; + } else { + ZSTR_VAL(msg)[ciphertext_len - crypto_secretbox_MACBYTES] = 0; + RETURN_STR(msg); + } +} + +PHP_FUNCTION(sodium_crypto_generichash) +{ + zend_string *hash; + unsigned char *key = NULL; + unsigned char *msg; + zend_long hash_len = crypto_generichash_BYTES; + size_t key_len = 0; + size_t msg_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|sl", + &msg, &msg_len, + &key, &key_len, + &hash_len) == FAILURE) { + return; + } + if (hash_len < crypto_generichash_BYTES_MIN || + hash_len > crypto_generichash_BYTES_MAX) { + zend_throw_exception(sodium_exception_ce, "crypto_generichash(): unsupported output length", 0); + return; + } + if (key_len != 0 && + (key_len < crypto_generichash_KEYBYTES_MIN || + key_len > crypto_generichash_KEYBYTES_MAX)) { + zend_throw_exception(sodium_exception_ce, "crypto_generichash(): unsupported key length", 0); + return; + } + hash = zend_string_alloc(hash_len, 0); + if (crypto_generichash((unsigned char *) ZSTR_VAL(hash), (size_t) hash_len, + msg, (unsigned long long) msg_len, + key, (size_t) key_len) != 0) { + zend_string_free(hash); + zend_throw_exception(sodium_exception_ce, "crypto_generichash(): internal error", 0); + return; + } + ZSTR_VAL(hash)[hash_len] = 0; + + RETURN_STR(hash); +} + +PHP_FUNCTION(sodium_crypto_generichash_init) +{ + crypto_generichash_state state_tmp; + zend_string *state; + unsigned char *key = NULL; + size_t state_len = sizeof (crypto_generichash_state); + zend_long hash_len = crypto_generichash_BYTES; + size_t key_len = 0; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "|sl", + &key, &key_len, + &hash_len) == FAILURE) { + return; + } + if (hash_len < crypto_generichash_BYTES_MIN || + hash_len > crypto_generichash_BYTES_MAX) { + zend_throw_exception(sodium_exception_ce, "crypto_generichash_init(): unsupported output length", 0); + return; + } + if (key_len != 0 && + (key_len < crypto_generichash_KEYBYTES_MIN || + key_len > crypto_generichash_KEYBYTES_MAX)) { + zend_throw_exception(sodium_exception_ce, "crypto_generichash_init(): unsupported key length", 0); + return; + } + if (crypto_generichash_init((void *) &state_tmp, key, (size_t) key_len, + (size_t) hash_len) != 0) { + zend_throw_exception(sodium_exception_ce, "crypto_generichash_init(): internal error", 0); + return; + } + state = zend_string_alloc(state_len, 0); + memcpy(ZSTR_VAL(state), &state_tmp, state_len); + sodium_memzero(&state_tmp, sizeof state_tmp); + ZSTR_VAL(state)[state_len] = 0; + + RETURN_STR(state); +} + +PHP_FUNCTION(sodium_crypto_generichash_update) +{ + crypto_generichash_state state_tmp; + zval *state_zv; + unsigned char *msg; + unsigned char *state; + size_t msg_len; + size_t state_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "zs", + &state_zv, &msg, &msg_len) == FAILURE) { + return; + } + ZVAL_DEREF(state_zv); + if (Z_TYPE_P(state_zv) != IS_STRING) { + zend_throw_exception(sodium_exception_ce, "crypto_generichash_update: a reference to a state is required", 0); + return; + } + sodium_separate_string(state_zv); + state = (unsigned char *) Z_STRVAL(*state_zv); + state_len = Z_STRLEN(*state_zv); + if (state_len != sizeof (crypto_generichash_state)) { + zend_throw_exception(sodium_exception_ce, "crypto_generichash_update(): incorrect state length", 0); + return; + } + memcpy(&state_tmp, state, sizeof state_tmp); + if (crypto_generichash_update((void *) &state_tmp, msg, + (unsigned long long) msg_len) != 0) { + zend_throw_exception(sodium_exception_ce, "crypto_generichash_update(): internal error", 0); + return; + } + memcpy(state, &state_tmp, state_len); + sodium_memzero(&state_tmp, sizeof state_tmp); + + RETURN_TRUE; +} + +PHP_FUNCTION(sodium_crypto_generichash_final) +{ + crypto_generichash_state state_tmp; + zend_string *hash; + zval *state_zv; + unsigned char *state; + size_t state_len; + zend_long hash_len = crypto_generichash_BYTES; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "z|l", + &state_zv, &hash_len) == FAILURE) { + return; + } + ZVAL_DEREF(state_zv); + if (Z_TYPE_P(state_zv) != IS_STRING) { + zend_throw_exception(sodium_exception_ce, "crypto_generichash_final: a reference to a state is required", 0); + return; + } + sodium_separate_string(state_zv); + state = (unsigned char *) Z_STRVAL(*state_zv); + state_len = Z_STRLEN(*state_zv); + if (state_len != sizeof (crypto_generichash_state)) { + zend_throw_exception(sodium_exception_ce, "crypto_generichash_final(): incorrect state length", 0); + return; + } + if (hash_len < crypto_generichash_BYTES_MIN || + hash_len > crypto_generichash_BYTES_MAX) { + zend_throw_exception(sodium_exception_ce, "crypto_generichash_final(): unsupported output length", 0); + return; + } + hash = zend_string_alloc(hash_len, 0); + memcpy(&state_tmp, state, sizeof state_tmp); + if (crypto_generichash_final((void *) &state_tmp, + (unsigned char *) ZSTR_VAL(hash), + (size_t) hash_len) != 0) { + zend_string_free(hash); + zend_throw_exception(sodium_exception_ce, "crypto_generichash_final(): internal error", 0); + return; + } + sodium_memzero(state, state_len); + convert_to_null(state_zv); + ZSTR_VAL(hash)[hash_len] = 0; + + RETURN_STR(hash); +} + +PHP_FUNCTION(sodium_crypto_box_keypair) +{ + zend_string *keypair; + size_t keypair_len; + + keypair_len = crypto_box_SECRETKEYBYTES + crypto_box_PUBLICKEYBYTES; + keypair = zend_string_alloc(keypair_len, 0); + if (crypto_box_keypair((unsigned char *) ZSTR_VAL(keypair) + + crypto_box_SECRETKEYBYTES, + (unsigned char *) ZSTR_VAL(keypair)) != 0) { + zend_string_free(keypair); + zend_throw_exception(sodium_exception_ce, "crypto_box_keypair(): internal error", 0); + return; + } + ZSTR_VAL(keypair)[keypair_len] = 0; + + RETURN_STR(keypair); +} + +PHP_FUNCTION(sodium_crypto_box_seed_keypair) +{ + zend_string *keypair; + unsigned char *seed; + size_t keypair_len; + size_t seed_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", + &seed, &seed_len) == FAILURE) { + return; + } + if (seed_len != crypto_box_SEEDBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_box_seed_keypair(): " + "seed should be CRYPTO_BOX_SEEDBYTES bytes", + 0); + return; + } + keypair_len = crypto_box_SECRETKEYBYTES + crypto_box_PUBLICKEYBYTES; + keypair = zend_string_alloc(keypair_len, 0); + if (crypto_box_seed_keypair((unsigned char *) ZSTR_VAL(keypair) + + crypto_box_SECRETKEYBYTES, + (unsigned char *) ZSTR_VAL(keypair), + seed) != 0) { + zend_string_free(keypair); + zend_throw_exception(sodium_exception_ce, "crypto_box_seed_keypair(): internal error", 0); + return; + } + ZSTR_VAL(keypair)[keypair_len] = 0; + + RETURN_STR(keypair); +} + +PHP_FUNCTION(sodium_crypto_box_keypair_from_secretkey_and_publickey) +{ + zend_string *keypair; + char *publickey; + char *secretkey; + size_t keypair_len; + size_t publickey_len; + size_t secretkey_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss", + &secretkey, &secretkey_len, + &publickey, &publickey_len) == FAILURE) { + return; + } + if (secretkey_len != crypto_box_SECRETKEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_box_keypair_from_secretkey_and_publickey(): " + "secretkey should be CRYPTO_BOX_SECRETKEYBYTES bytes", + 0); + return; + } + if (publickey_len != crypto_box_PUBLICKEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_box_keypair_from_secretkey_and_publickey(): " + "publickey should be CRYPTO_BOX_PUBLICKEYBYTES bytes", + 0); + return; + } + keypair_len = crypto_box_SECRETKEYBYTES + crypto_box_PUBLICKEYBYTES; + keypair = zend_string_alloc(keypair_len, 0); + memcpy(ZSTR_VAL(keypair), secretkey, crypto_box_SECRETKEYBYTES); + memcpy(ZSTR_VAL(keypair) + crypto_box_SECRETKEYBYTES, publickey, + crypto_box_PUBLICKEYBYTES); + ZSTR_VAL(keypair)[keypair_len] = 0; + + RETURN_STR(keypair); +} + +PHP_FUNCTION(sodium_crypto_box_secretkey) +{ + zend_string *secretkey; + unsigned char *keypair; + size_t keypair_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", + &keypair, &keypair_len) == FAILURE) { + return; + } + if (keypair_len != + crypto_box_SECRETKEYBYTES + crypto_box_PUBLICKEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_box_secretkey(): keypair should be " + "CRYPTO_BOX_KEYPAIRBYTES bytes", + 0); + return; + } + secretkey = zend_string_alloc(crypto_box_SECRETKEYBYTES, 0); + memcpy(ZSTR_VAL(secretkey), keypair, crypto_box_SECRETKEYBYTES); + ZSTR_VAL(secretkey)[crypto_box_SECRETKEYBYTES] = 0; + + RETURN_STR(secretkey); +} + +PHP_FUNCTION(sodium_crypto_box_publickey) +{ + zend_string *publickey; + unsigned char *keypair; + size_t keypair_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", + &keypair, &keypair_len) == FAILURE) { + return; + } + if (keypair_len != + crypto_box_SECRETKEYBYTES + crypto_box_PUBLICKEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_box_publickey(): keypair should be " + "CRYPTO_BOX_KEYPAIRBYTES bytes", + 0); + return; + } + publickey = zend_string_alloc(crypto_box_PUBLICKEYBYTES, 0); + memcpy(ZSTR_VAL(publickey), keypair + crypto_box_SECRETKEYBYTES, + crypto_box_PUBLICKEYBYTES); + ZSTR_VAL(publickey)[crypto_box_PUBLICKEYBYTES] = 0; + + RETURN_STR(publickey); +} + +PHP_FUNCTION(sodium_crypto_box_publickey_from_secretkey) +{ + zend_string *publickey; + unsigned char *secretkey; + size_t secretkey_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", + &secretkey, &secretkey_len) == FAILURE) { + return; + } + if (secretkey_len != crypto_box_SECRETKEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_box_publickey_from_secretkey(): key should be " + "CRYPTO_BOX_SECRETKEYBYTES bytes", + 0); + return; + } + publickey = zend_string_alloc(crypto_box_PUBLICKEYBYTES, 0); + (void) sizeof(int[crypto_scalarmult_BYTES == + crypto_box_PUBLICKEYBYTES ? 1 : -1]); + (void) sizeof(int[crypto_scalarmult_SCALARBYTES == + crypto_box_SECRETKEYBYTES ? 1 : -1]); + crypto_scalarmult_base((unsigned char *) ZSTR_VAL(publickey), secretkey); + ZSTR_VAL(publickey)[crypto_box_PUBLICKEYBYTES] = 0; + + RETURN_STR(publickey); +} + +PHP_FUNCTION(sodium_crypto_box) +{ + zend_string *ciphertext; + unsigned char *keypair; + unsigned char *msg; + unsigned char *nonce; + unsigned char *publickey; + unsigned char *secretkey; + size_t keypair_len; + size_t msg_len; + size_t nonce_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "sss", + &msg, &msg_len, + &nonce, &nonce_len, + &keypair, &keypair_len) == FAILURE) { + return; + } + if (nonce_len != crypto_box_NONCEBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_box(): nonce size should be " + "CRYPTO_BOX_NONCEBYTES bytes", + 0); + return; + } + if (keypair_len != crypto_box_SECRETKEYBYTES + crypto_box_PUBLICKEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_box(): keypair size should be " + "CRYPTO_BOX_KEYPAIRBYTES bytes", + 0); + return; + } + secretkey = keypair; + publickey = keypair + crypto_box_SECRETKEYBYTES; + if (SIZE_MAX - msg_len <= crypto_box_MACBYTES) { + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + ciphertext = zend_string_alloc((size_t) msg_len + crypto_box_MACBYTES, 0); + if (crypto_box_easy((unsigned char *) ZSTR_VAL(ciphertext), msg, + (unsigned long long) msg_len, + nonce, publickey, secretkey) != 0) { + zend_string_free(ciphertext); + zend_throw_exception(sodium_exception_ce, "crypto_box(): internal error", 0); + return; + } + ZSTR_VAL(ciphertext)[msg_len + crypto_box_MACBYTES] = 0; + + RETURN_STR(ciphertext); +} + +PHP_FUNCTION(sodium_crypto_box_open) +{ + zend_string *msg; + unsigned char *ciphertext; + unsigned char *keypair; + unsigned char *nonce; + unsigned char *publickey; + unsigned char *secretkey; + size_t ciphertext_len; + size_t keypair_len; + size_t nonce_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "sss", + &ciphertext, &ciphertext_len, + &nonce, &nonce_len, + &keypair, &keypair_len) == FAILURE) { + return; + } + if (nonce_len != crypto_box_NONCEBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_box_open(): nonce size should be " + "CRYPTO_BOX_NONCEBYTES bytes", + 0); + return; + } + if (keypair_len != crypto_box_SECRETKEYBYTES + crypto_box_PUBLICKEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_box_open(): keypair size should be " + "CRYPTO_BOX_KEYBYTES bytes", + 0); + return; + } + secretkey = keypair; + publickey = keypair + crypto_box_SECRETKEYBYTES; + if (ciphertext_len < crypto_box_MACBYTES) { + RETURN_FALSE; + } + msg = zend_string_alloc((size_t) ciphertext_len - crypto_box_MACBYTES, 0); + if (crypto_box_open_easy((unsigned char *) ZSTR_VAL(msg), ciphertext, + (unsigned long long) ciphertext_len, + nonce, publickey, secretkey) != 0) { + zend_string_free(msg); + RETURN_FALSE; + } else { + ZSTR_VAL(msg)[ciphertext_len - crypto_box_MACBYTES] = 0; + RETURN_STR(msg); + } +} + +#ifdef crypto_box_SEALBYTES +PHP_FUNCTION(sodium_crypto_box_seal) +{ + zend_string *ciphertext; + unsigned char *msg; + unsigned char *publickey; + size_t msg_len; + size_t publickey_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss", + &msg, &msg_len, + &publickey, &publickey_len) == FAILURE) { + return; + } + if (publickey_len != crypto_box_PUBLICKEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_box_seal(): public key size should be " + "CRYPTO_BOX_PUBLICKEYBYTES bytes", + 0); + return; + } + if (SIZE_MAX - msg_len <= crypto_box_SEALBYTES) { + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + ciphertext = zend_string_alloc((size_t) msg_len + crypto_box_SEALBYTES, 0); + if (crypto_box_seal((unsigned char *) ZSTR_VAL(ciphertext), msg, + (unsigned long long) msg_len, publickey) != 0) { + zend_string_free(ciphertext); + zend_throw_exception(sodium_exception_ce, "crypto_box_seal(): internal error", 0); + return; + } + ZSTR_VAL(ciphertext)[msg_len + crypto_box_SEALBYTES] = 0; + + RETURN_STR(ciphertext); +} + +PHP_FUNCTION(sodium_crypto_box_seal_open) +{ + zend_string *msg; + unsigned char *ciphertext; + unsigned char *keypair; + unsigned char *publickey; + unsigned char *secretkey; + size_t ciphertext_len; + size_t keypair_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss", + &ciphertext, &ciphertext_len, + &keypair, &keypair_len) == FAILURE) { + return; + } + if (keypair_len != crypto_box_SECRETKEYBYTES + crypto_box_PUBLICKEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_box_seal_open(): keypair size should be " + "CRYPTO_BOX_KEYBYTES bytes", + 0); + return; + } + secretkey = keypair; + publickey = keypair + crypto_box_SECRETKEYBYTES; + if (ciphertext_len < crypto_box_SEALBYTES) { + RETURN_FALSE; + } + msg = zend_string_alloc((size_t) ciphertext_len - crypto_box_SEALBYTES, 0); + if (crypto_box_seal_open((unsigned char *) ZSTR_VAL(msg), ciphertext, + (unsigned long long) ciphertext_len, + publickey, secretkey) != 0) { + zend_string_free(msg); + RETURN_FALSE; + } else { + ZSTR_VAL(msg)[ciphertext_len - crypto_box_SEALBYTES] = 0; + RETURN_STR(msg); + } +} +#endif + +PHP_FUNCTION(sodium_crypto_sign_keypair) +{ + zend_string *keypair; + size_t keypair_len; + + keypair_len = crypto_sign_SECRETKEYBYTES + crypto_sign_PUBLICKEYBYTES; + keypair = zend_string_alloc(keypair_len, 0); + if (crypto_sign_keypair((unsigned char *) ZSTR_VAL(keypair) + + crypto_sign_SECRETKEYBYTES, + (unsigned char *) ZSTR_VAL(keypair)) != 0) { + zend_string_free(keypair); + zend_throw_exception(sodium_exception_ce, "crypto_sign_keypair(): internal error", 0); + return; + } + ZSTR_VAL(keypair)[keypair_len] = 0; + + RETURN_STR(keypair); +} + +PHP_FUNCTION(sodium_crypto_sign_seed_keypair) +{ + zend_string *keypair; + unsigned char *seed; + size_t keypair_len; + size_t seed_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", + &seed, &seed_len) == FAILURE) { + return; + } + if (seed_len != crypto_sign_SEEDBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_sign_seed_keypair(): " + "seed should be CRYPTO_SIGN_SEEDBYTES bytes", + 0); + return; + } + keypair_len = crypto_sign_SECRETKEYBYTES + crypto_sign_PUBLICKEYBYTES; + keypair = zend_string_alloc(keypair_len, 0); + if (crypto_sign_seed_keypair((unsigned char *) ZSTR_VAL(keypair) + + crypto_sign_SECRETKEYBYTES, + (unsigned char *) ZSTR_VAL(keypair), + seed) != 0) { + zend_string_free(keypair); + zend_throw_exception(sodium_exception_ce, "crypto_sign_seed_keypair(): internal error", 0); + return; + } + ZSTR_VAL(keypair)[keypair_len] = 0; + + RETURN_STR(keypair); +} + +PHP_FUNCTION(sodium_crypto_sign_keypair_from_secretkey_and_publickey) +{ + zend_string *keypair; + char *publickey; + char *secretkey; + size_t keypair_len; + size_t publickey_len; + size_t secretkey_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss", + &secretkey, &secretkey_len, + &publickey, &publickey_len) == FAILURE) { + return; + } + if (secretkey_len != crypto_sign_SECRETKEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_sign_keypair_from_secretkey_and_publickey(): " + "secretkey should be CRYPTO_SIGN_SECRETKEYBYTES bytes", + 0); + return; + } + if (publickey_len != crypto_sign_PUBLICKEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_sign_keypair_from_secretkey_and_publickey(): " + "publickey should be CRYPTO_SIGN_PUBLICKEYBYTES bytes", + 0); + return; + } + keypair_len = crypto_sign_SECRETKEYBYTES + crypto_sign_PUBLICKEYBYTES; + keypair = zend_string_alloc(keypair_len, 0); + memcpy(ZSTR_VAL(keypair), secretkey, crypto_sign_SECRETKEYBYTES); + memcpy(ZSTR_VAL(keypair) + crypto_sign_SECRETKEYBYTES, publickey, + crypto_sign_PUBLICKEYBYTES); + ZSTR_VAL(keypair)[keypair_len] = 0; + + RETURN_STR(keypair); +} + +PHP_FUNCTION(sodium_crypto_sign_publickey_from_secretkey) +{ + zend_string *publickey; + char *secretkey; + size_t secretkey_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", + &secretkey, &secretkey_len) == FAILURE) { + return; + } + if (secretkey_len != crypto_sign_SECRETKEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_sign_publickey_from_secretkey(): " + "secretkey should be CRYPTO_SIGN_SECRETKEYBYTES bytes", + 0); + return; + } + publickey = zend_string_alloc(crypto_sign_PUBLICKEYBYTES, 0); + + if (crypto_sign_ed25519_sk_to_pk((unsigned char *) ZSTR_VAL(publickey), + (const unsigned char *) secretkey) != 0) { + zend_throw_exception(sodium_exception_ce, + "crypto_sign_publickey_from_secretkey(): internal error", 0); + return; + } + ZSTR_VAL(publickey)[crypto_sign_PUBLICKEYBYTES] = 0; + + RETURN_STR(publickey); +} + +PHP_FUNCTION(sodium_crypto_sign_secretkey) +{ + zend_string *secretkey; + unsigned char *keypair; + size_t keypair_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", + &keypair, &keypair_len) == FAILURE) { + return; + } + if (keypair_len != + crypto_sign_SECRETKEYBYTES + crypto_sign_PUBLICKEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_sign_secretkey(): keypair should be " + "CRYPTO_SIGN_KEYPAIRBYTES bytes", + 0); + return; + } + secretkey = zend_string_alloc(crypto_sign_SECRETKEYBYTES, 0); + memcpy(ZSTR_VAL(secretkey), keypair, crypto_sign_SECRETKEYBYTES); + ZSTR_VAL(secretkey)[crypto_sign_SECRETKEYBYTES] = 0; + + RETURN_STR(secretkey); +} + +PHP_FUNCTION(sodium_crypto_sign_publickey) +{ + zend_string *publickey; + unsigned char *keypair; + size_t keypair_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", + &keypair, &keypair_len) == FAILURE) { + return; + } + if (keypair_len != + crypto_sign_SECRETKEYBYTES + crypto_sign_PUBLICKEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_sign_publickey(): keypair should be " + "CRYPTO_SIGN_KEYPAIRBYTES bytes", + 0); + return; + } + publickey = zend_string_alloc(crypto_sign_PUBLICKEYBYTES, 0); + memcpy(ZSTR_VAL(publickey), keypair + crypto_sign_SECRETKEYBYTES, + crypto_sign_PUBLICKEYBYTES); + ZSTR_VAL(publickey)[crypto_sign_PUBLICKEYBYTES] = 0; + + RETURN_STR(publickey); +} + +PHP_FUNCTION(sodium_crypto_sign) +{ + zend_string *msg_signed; + unsigned char *msg; + unsigned char *secretkey; + unsigned long long msg_signed_real_len; + size_t msg_len; + size_t msg_signed_len; + size_t secretkey_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss", + &msg, &msg_len, + &secretkey, &secretkey_len) == FAILURE) { + return; + } + if (secretkey_len != crypto_sign_SECRETKEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_sign(): secret key size should be " + "CRYPTO_SIGN_SECRETKEYBYTES bytes", + 0); + return; + } + if (SIZE_MAX - msg_len <= crypto_sign_BYTES) { + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + msg_signed_len = msg_len + crypto_sign_BYTES; + msg_signed = zend_string_alloc((size_t) msg_signed_len, 0); + if (crypto_sign((unsigned char *) ZSTR_VAL(msg_signed), + &msg_signed_real_len, msg, + (unsigned long long) msg_len, secretkey) != 0) { + zend_string_free(msg_signed); + zend_throw_exception(sodium_exception_ce, "crypto_sign(): internal error", 0); + return; + } + if (msg_signed_real_len <= 0U || msg_signed_real_len >= SIZE_MAX || + msg_signed_real_len > msg_signed_len) { + zend_string_free(msg_signed); + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + PHP_SODIUM_ZSTR_TRUNCATE(msg_signed, (size_t) msg_signed_real_len); + ZSTR_VAL(msg_signed)[msg_signed_real_len] = 0; + + RETURN_STR(msg_signed); +} + +PHP_FUNCTION(sodium_crypto_sign_open) +{ + zend_string *msg; + unsigned char *msg_signed; + unsigned char *publickey; + unsigned long long msg_real_len; + size_t msg_len; + size_t msg_signed_len; + size_t publickey_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss", + &msg_signed, &msg_signed_len, + &publickey, &publickey_len) == FAILURE) { + return; + } + if (publickey_len != crypto_sign_PUBLICKEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_sign_open(): public key size should be " + "CRYPTO_SIGN_PUBLICKEYBYTES bytes", + 0); + return; + } + msg_len = msg_signed_len; + if (msg_len >= SIZE_MAX) { + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + msg = zend_string_alloc((size_t) msg_len, 0); + if (crypto_sign_open((unsigned char *) ZSTR_VAL(msg), &msg_real_len, + msg_signed, (unsigned long long) msg_signed_len, + publickey) != 0) { + zend_string_free(msg); + RETURN_FALSE; + } + if (msg_real_len >= SIZE_MAX || msg_real_len > msg_signed_len) { + zend_string_free(msg); + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + PHP_SODIUM_ZSTR_TRUNCATE(msg, (size_t) msg_real_len); + ZSTR_VAL(msg)[msg_real_len] = 0; + + RETURN_STR(msg); +} + +PHP_FUNCTION(sodium_crypto_sign_detached) +{ + zend_string *signature; + unsigned char *msg; + unsigned char *secretkey; + unsigned long long signature_real_len; + size_t msg_len; + size_t secretkey_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss", + &msg, &msg_len, + &secretkey, &secretkey_len) == FAILURE) { + return; + } + if (secretkey_len != crypto_sign_SECRETKEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_sign_detached(): secret key size should be " + "CRYPTO_SIGN_SECRETKEYBYTES bytes", + 0); + return; + } + signature = zend_string_alloc((size_t) crypto_sign_BYTES, 0); + memset(ZSTR_VAL(signature), 0, (size_t) crypto_sign_BYTES); + if (crypto_sign_detached((unsigned char *) ZSTR_VAL(signature), + &signature_real_len, msg, + (unsigned long long) msg_len, secretkey) != 0) { + zend_string_free(signature); + zend_throw_exception(sodium_exception_ce, "crypto_sign_detached()", 0); + return; + } + if (signature_real_len <= 0U || signature_real_len > crypto_sign_BYTES) { + zend_string_free(signature); + zend_throw_exception(sodium_exception_ce, "signature has a bogus size", 0); + return; + } + ZEND_ASSERT(ZSTR_VAL(signature)[signature_real_len] == 0); + + RETURN_STR(signature); +} + +PHP_FUNCTION(sodium_crypto_sign_verify_detached) +{ + unsigned char *msg; + unsigned char *publickey; + unsigned char *signature; + size_t msg_len; + size_t publickey_len; + size_t signature_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "sss", + &signature, &signature_len, + &msg, &msg_len, + &publickey, &publickey_len) == FAILURE) { + return; + } + if (signature_len != crypto_sign_BYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_sign_verify_detached(): signature size should be " + "CRYPTO_SIGN_BYTES bytes", + 0); + return; + } + if (publickey_len != crypto_sign_PUBLICKEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_sign_verify_detached(): public key size should be " + "CRYPTO_SIGN_PUBLICKEYBYTES bytes", + 0); + return; + } + if (crypto_sign_verify_detached(signature, + msg, (unsigned long long) msg_len, + publickey) != 0) { + RETURN_FALSE; + } + RETURN_TRUE; +} + +PHP_FUNCTION(sodium_crypto_stream) +{ + zend_string *ciphertext; + unsigned char *key; + unsigned char *nonce; + zend_long ciphertext_len; + size_t key_len; + size_t nonce_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "lss", + &ciphertext_len, + &nonce, &nonce_len, + &key, &key_len) == FAILURE) { + return; + } + if (ciphertext_len <= 0 || ciphertext_len >= SIZE_MAX) { + zend_throw_exception(sodium_exception_ce, "crypto_stream(): invalid length", 0); + return; + } + if (nonce_len != crypto_stream_NONCEBYTES) { + zend_throw_exception(sodium_exception_ce, "nonce should be CRYPTO_STREAM_NONCEBYTES bytes", 0); + return; + } + if (key_len != crypto_stream_KEYBYTES) { + zend_throw_exception(sodium_exception_ce, "key should be CRYPTO_STREAM_KEYBYTES bytes", 0); + return; + } + ciphertext = zend_string_alloc((size_t) ciphertext_len, 0); + if (crypto_stream((unsigned char *) ZSTR_VAL(ciphertext), + (unsigned long long) ciphertext_len, nonce, key) != 0) { + zend_string_free(ciphertext); + zend_throw_exception(sodium_exception_ce, "crypto_stream(): internal error", 0); + return; + } + ZSTR_VAL(ciphertext)[ciphertext_len] = 0; + + RETURN_STR(ciphertext); +} + +PHP_FUNCTION(sodium_crypto_stream_xor) +{ + zend_string *ciphertext; + unsigned char *key; + unsigned char *msg; + unsigned char *nonce; + size_t ciphertext_len; + size_t key_len; + size_t msg_len; + size_t nonce_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "sss", + &msg, &msg_len, + &nonce, &nonce_len, + &key, &key_len) == FAILURE) { + return; + } + if (nonce_len != crypto_stream_NONCEBYTES) { + zend_throw_exception(sodium_exception_ce, "nonce should be CRYPTO_STREAM_NONCEBYTES bytes", 0); + return; + } + if (key_len != crypto_stream_KEYBYTES) { + zend_throw_exception(sodium_exception_ce, "key should be CRYPTO_STREAM_KEYBYTES bytes", 0); + return; + } + ciphertext_len = msg_len; + ciphertext = zend_string_alloc((size_t) ciphertext_len, 0); + if (crypto_stream_xor((unsigned char *) ZSTR_VAL(ciphertext), msg, + (unsigned long long) msg_len, nonce, key) != 0) { + zend_string_free(ciphertext); + zend_throw_exception(sodium_exception_ce, "crypto_stream_xor(): internal error", 0); + return; + } + ZSTR_VAL(ciphertext)[ciphertext_len] = 0; + + RETURN_STR(ciphertext); +} + +PHP_FUNCTION(sodium_crypto_pwhash_scryptsalsa208sha256) +{ + zend_string *hash; + unsigned char *salt; + char *passwd; + zend_long hash_len; + zend_long memlimit; + zend_long opslimit; + size_t passwd_len; + size_t salt_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "lssll", + &hash_len, + &passwd, &passwd_len, + &salt, &salt_len, + &opslimit, &memlimit) == FAILURE || + hash_len <= 0 || hash_len >= SIZE_MAX || + opslimit <= 0 || memlimit <= 0 || memlimit > SIZE_MAX) { + zend_throw_exception(sodium_exception_ce, "crypto_pwhash_scryptsalsa208sha256(): invalid parameters", 0); + return; + } + if (passwd_len <= 0) { + zend_error(E_WARNING, "empty password"); + } + if (salt_len != crypto_pwhash_scryptsalsa208sha256_SALTBYTES) { + zend_throw_exception(sodium_exception_ce, + "salt should be CRYPTO_PWHASH_SCRYPTSALSA208SHA256_SALTBYTES bytes", + 0); + return; + } + if (opslimit < crypto_pwhash_scryptsalsa208sha256_opslimit_interactive()) { + zend_error(E_WARNING, + "number of operations for the scrypt function is low"); + } + if (memlimit < crypto_pwhash_scryptsalsa208sha256_memlimit_interactive()) { + zend_error(E_WARNING, + "maximum memory for the scrypt function is low"); + } + hash = zend_string_alloc((size_t) hash_len, 0); + if (crypto_pwhash_scryptsalsa208sha256 + ((unsigned char *) ZSTR_VAL(hash), (unsigned long long) hash_len, + passwd, (unsigned long long) passwd_len, salt, + (unsigned long long) opslimit, (size_t) memlimit) != 0) { + zend_string_free(hash); + zend_throw_exception(sodium_exception_ce, "crypto_pwhash_scryptsalsa208sha256(): internal error", 0); + return; + } + ZSTR_VAL(hash)[hash_len] = 0; + + RETURN_STR(hash); +} + +PHP_FUNCTION(sodium_crypto_pwhash_scryptsalsa208sha256_str) +{ + zend_string *hash_str; + char *passwd; + zend_long memlimit; + zend_long opslimit; + size_t passwd_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "sll", + &passwd, &passwd_len, + &opslimit, &memlimit) == FAILURE || + opslimit <= 0 || memlimit <= 0 || memlimit > SIZE_MAX) { + zend_throw_exception(sodium_exception_ce, + "crypto_pwhash_scryptsalsa208sha256_str(): invalid parameters", + 0); + return; + } + if (passwd_len <= 0) { + zend_error(E_WARNING, "empty password"); + } + if (opslimit < crypto_pwhash_scryptsalsa208sha256_opslimit_interactive()) { + zend_error(E_WARNING, + "number of operations for the scrypt function is low"); + } + if (memlimit < crypto_pwhash_scryptsalsa208sha256_memlimit_interactive()) { + zend_error(E_WARNING, + "maximum memory for the scrypt function is low"); + } + hash_str = zend_string_alloc + (crypto_pwhash_scryptsalsa208sha256_STRBYTES - 1, 0); + if (crypto_pwhash_scryptsalsa208sha256_str + (ZSTR_VAL(hash_str), passwd, (unsigned long long) passwd_len, + (unsigned long long) opslimit, (size_t) memlimit) != 0) { + zend_string_free(hash_str); + zend_throw_exception(sodium_exception_ce, "crypto_pwhash_scryptsalsa208sha256_str(): internal error", 0); + return; + } + ZSTR_VAL(hash_str)[crypto_pwhash_scryptsalsa208sha256_STRBYTES - 1] = 0; + + RETURN_STR(hash_str); +} + +PHP_FUNCTION(sodium_crypto_pwhash_scryptsalsa208sha256_str_verify) +{ + char *hash_str; + char *passwd; + size_t hash_str_len; + size_t passwd_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss", + &hash_str, &hash_str_len, + &passwd, &passwd_len) == FAILURE) { + zend_throw_exception(sodium_exception_ce, + "crypto_pwhash_scryptsalsa208sha256_str_verify(): invalid parameters", + 0); + return; + } + if (passwd_len <= 0) { + zend_error(E_WARNING, "empty password"); + } + if (hash_str_len != crypto_pwhash_scryptsalsa208sha256_STRBYTES - 1) { + zend_error(E_WARNING, "wrong size for the hashed password"); + RETURN_FALSE; + } + if (crypto_pwhash_scryptsalsa208sha256_str_verify + (hash_str, passwd, (unsigned long long) passwd_len) == 0) { + RETURN_TRUE; + } + RETURN_FALSE; +} + +#ifdef crypto_pwhash_SALTBYTES +PHP_FUNCTION(sodium_crypto_pwhash) +{ + zend_string *hash; + unsigned char *salt; + char *passwd; + zend_long hash_len; + zend_long memlimit; + zend_long opslimit; + size_t passwd_len; + size_t salt_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "lssll", + &hash_len, + &passwd, &passwd_len, + &salt, &salt_len, + &opslimit, &memlimit) == FAILURE || + hash_len <= 0 || hash_len >= SIZE_MAX || + opslimit <= 0 || memlimit <= 0 || memlimit > SIZE_MAX) { + zend_throw_exception(sodium_exception_ce, "crypto_pwhash(): invalid parameters", 0); + return; + } + if (passwd_len <= 0) { + zend_error(E_WARNING, "empty password"); + } + if (salt_len != crypto_pwhash_SALTBYTES) { + zend_throw_exception(sodium_exception_ce, "salt should be CRYPTO_PWHASH_SALTBYTES bytes", 0); + return; + } + if (opslimit < crypto_pwhash_OPSLIMIT_INTERACTIVE) { + zend_error(E_WARNING, + "number of operations for the argon2i function is low"); + } + if (memlimit < crypto_pwhash_MEMLIMIT_INTERACTIVE) { + zend_error(E_WARNING, "maximum memory for the argon2i function is low"); + } + hash = zend_string_alloc((size_t) hash_len, 0); + if (crypto_pwhash + ((unsigned char *) ZSTR_VAL(hash), (unsigned long long) hash_len, + passwd, (unsigned long long) passwd_len, salt, + (unsigned long long) opslimit, (size_t) memlimit, + crypto_pwhash_alg_default()) != 0) { + zend_string_free(hash); + zend_throw_exception(sodium_exception_ce, "crypto_pwhash(): internal error", 0); + return; + } + ZSTR_VAL(hash)[hash_len] = 0; + + RETURN_STR(hash); +} + +PHP_FUNCTION(sodium_crypto_pwhash_str) +{ + zend_string *hash_str; + char *passwd; + zend_long memlimit; + zend_long opslimit; + size_t passwd_len; + size_t len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "sll", + &passwd, &passwd_len, + &opslimit, &memlimit) == FAILURE || + opslimit <= 0 || memlimit <= 0 || memlimit > SIZE_MAX) { + zend_throw_exception(sodium_exception_ce, + "crypto_pwhash_str(): invalid parameters", + 0); + return; + } + if (passwd_len <= 0) { + zend_error(E_WARNING, "empty password"); + } + if (opslimit < crypto_pwhash_OPSLIMIT_INTERACTIVE) { + zend_error(E_WARNING, + "number of operations for the argon2i function is low"); + } + if (memlimit < crypto_pwhash_MEMLIMIT_INTERACTIVE) { + zend_error(E_WARNING, + "maximum memory for the argon2i function is low"); + } + hash_str = zend_string_alloc(crypto_pwhash_STRBYTES - 1, 0); + if (crypto_pwhash_str + (ZSTR_VAL(hash_str), passwd, (unsigned long long) passwd_len, + (unsigned long long) opslimit, (size_t) memlimit) != 0) { + zend_string_free(hash_str); + zend_throw_exception(sodium_exception_ce, "crypto_pwhash_str(): internal error", 0); + return; + } + ZSTR_VAL(hash_str)[crypto_pwhash_STRBYTES - 1] = 0; + + len = strlen(ZSTR_VAL(hash_str)); + PHP_SODIUM_ZSTR_TRUNCATE(hash_str, len); + + RETURN_STR(hash_str); +} + +PHP_FUNCTION(sodium_crypto_pwhash_str_verify) +{ + char *hash_str; + char *passwd; + size_t hash_str_len; + size_t passwd_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss", + &hash_str, &hash_str_len, + &passwd, &passwd_len) == FAILURE) { + zend_throw_exception(sodium_exception_ce, + "crypto_pwhash_str_verify(): invalid parameters", + 0); + return; + } + if (passwd_len <= 0) { + zend_error(E_WARNING, "empty password"); + } + if (crypto_pwhash_str_verify + (hash_str, passwd, (unsigned long long) passwd_len) == 0) { + RETURN_TRUE; + } + RETURN_FALSE; +} +#endif + +PHP_FUNCTION(sodium_crypto_aead_aes256gcm_is_available) +{ +#ifdef HAVE_AESGCM + RETURN_BOOL(crypto_aead_aes256gcm_is_available()); +#else + RETURN_FALSE; +#endif +} + +#ifdef HAVE_AESGCM +PHP_FUNCTION(sodium_crypto_aead_aes256gcm_encrypt) +{ + zend_string *ciphertext; + unsigned char *ad; + unsigned char *msg; + unsigned char *npub; + unsigned char *secretkey; + unsigned long long ciphertext_real_len; + size_t ad_len; + size_t ciphertext_len; + size_t msg_len; + size_t npub_len; + size_t secretkey_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ssss", + &msg, &msg_len, + &ad, &ad_len, + &npub, &npub_len, + &secretkey, &secretkey_len) == FAILURE) { + return; + } + if (npub_len != crypto_aead_aes256gcm_NPUBBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_aead_aes256gcm_encrypt(): " + "public nonce size should be " + "CRYPTO_AEAD_AES256GCM_NPUBBYTES bytes", + 0); + return; + } + if (secretkey_len != crypto_aead_aes256gcm_KEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_aead_aes256gcm_encrypt(): " + "secret key size should be " + "CRYPTO_AEAD_AES256GCM_KEYBYTES bytes", + 0); + return; + } + if (SIZE_MAX - msg_len <= crypto_aead_aes256gcm_ABYTES) { + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + ciphertext_len = msg_len + crypto_aead_aes256gcm_ABYTES; + ciphertext = zend_string_alloc((size_t) ciphertext_len, 0); + if (crypto_aead_aes256gcm_encrypt + ((unsigned char *) ZSTR_VAL(ciphertext), &ciphertext_real_len, msg, + (unsigned long long) msg_len, + ad, (unsigned long long) ad_len, NULL, npub, secretkey) != 0) { + zend_string_free(ciphertext); + zend_throw_exception(sodium_exception_ce, "crypto_aead_aes256gcm_encrypt(): internal error", 0); + return; + } + if (ciphertext_real_len <= 0U || ciphertext_real_len >= SIZE_MAX || + ciphertext_real_len > ciphertext_len) { + zend_string_free(ciphertext); + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + PHP_SODIUM_ZSTR_TRUNCATE(ciphertext, (size_t) ciphertext_real_len); + ZSTR_VAL(ciphertext)[ciphertext_real_len] = 0; + + RETURN_STR(ciphertext); +} + +PHP_FUNCTION(sodium_crypto_aead_aes256gcm_decrypt) +{ + zend_string *msg; + unsigned char *ad; + unsigned char *ciphertext; + unsigned char *npub; + unsigned char *secretkey; + unsigned long long msg_real_len; + size_t ad_len; + size_t ciphertext_len; + size_t msg_len; + size_t npub_len; + size_t secretkey_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ssss", + &ciphertext, &ciphertext_len, + &ad, &ad_len, + &npub, &npub_len, + &secretkey, &secretkey_len) == FAILURE) { + return; + } + if (npub_len != crypto_aead_aes256gcm_NPUBBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_aead_aes256gcm_decrypt(): " + "public nonce size should be " + "CRYPTO_AEAD_AES256GCM_NPUBBYTES bytes", + 0); + return; + } + if (secretkey_len != crypto_aead_aes256gcm_KEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_aead_aes256gcm_decrypt(): " + "secret key size should be " + "CRYPTO_AEAD_AES256GCM_KEYBYTES bytes", + 0); + return; + } + msg_len = ciphertext_len; + if (msg_len >= SIZE_MAX) { + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + msg = zend_string_alloc((size_t) msg_len, 0); + if (ciphertext_len < crypto_aead_aes256gcm_ABYTES || + crypto_aead_aes256gcm_decrypt + ((unsigned char *) ZSTR_VAL(msg), &msg_real_len, NULL, + ciphertext, (unsigned long long) ciphertext_len, + ad, (unsigned long long) ad_len, npub, secretkey) != 0) { + zend_string_free(msg); + RETURN_FALSE; + } + if (msg_real_len >= SIZE_MAX || msg_real_len > msg_len) { + zend_string_free(msg); + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + PHP_SODIUM_ZSTR_TRUNCATE(msg, (size_t) msg_real_len); + ZSTR_VAL(msg)[msg_real_len] = 0; + + RETURN_STR(msg); +} +#endif + +PHP_FUNCTION(sodium_crypto_aead_chacha20poly1305_encrypt) +{ + zend_string *ciphertext; + unsigned char *ad; + unsigned char *msg; + unsigned char *npub; + unsigned char *secretkey; + unsigned long long ciphertext_real_len; + size_t ad_len; + size_t ciphertext_len; + size_t msg_len; + size_t npub_len; + size_t secretkey_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ssss", + &msg, &msg_len, + &ad, &ad_len, + &npub, &npub_len, + &secretkey, &secretkey_len) == FAILURE) { + return; + } + if (npub_len != crypto_aead_chacha20poly1305_NPUBBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_aead_chacha20poly1305_encrypt(): " + "public nonce size should be " + "CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES bytes", + 0); + return; + } + if (secretkey_len != crypto_aead_chacha20poly1305_KEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_aead_chacha20poly1305_encrypt(): " + "secret key size should be " + "CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES bytes", + 0); + return; + } + if (SIZE_MAX - msg_len <= crypto_aead_chacha20poly1305_ABYTES) { + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + ciphertext_len = msg_len + crypto_aead_chacha20poly1305_ABYTES; + ciphertext = zend_string_alloc((size_t) ciphertext_len, 0); + if (crypto_aead_chacha20poly1305_encrypt + ((unsigned char *) ZSTR_VAL(ciphertext), &ciphertext_real_len, msg, + (unsigned long long) msg_len, + ad, (unsigned long long) ad_len, NULL, npub, secretkey) != 0) { + zend_string_free(ciphertext); + zend_throw_exception(sodium_exception_ce, "crypto_aead_chacha20poly1305_encrypt(): internal error", 0); + return; + } + if (ciphertext_real_len <= 0U || ciphertext_real_len >= SIZE_MAX || + ciphertext_real_len > ciphertext_len) { + zend_string_free(ciphertext); + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + PHP_SODIUM_ZSTR_TRUNCATE(ciphertext, (size_t) ciphertext_real_len); + ZSTR_VAL(ciphertext)[ciphertext_real_len] = 0; + + RETURN_STR(ciphertext); +} + +PHP_FUNCTION(sodium_crypto_aead_chacha20poly1305_decrypt) +{ + zend_string *msg; + unsigned char *ad; + unsigned char *ciphertext; + unsigned char *npub; + unsigned char *secretkey; + unsigned long long msg_real_len; + size_t ad_len; + size_t ciphertext_len; + size_t msg_len; + size_t npub_len; + size_t secretkey_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ssss", + &ciphertext, &ciphertext_len, + &ad, &ad_len, + &npub, &npub_len, + &secretkey, &secretkey_len) == FAILURE) { + return; + } + if (npub_len != crypto_aead_chacha20poly1305_NPUBBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_aead_chacha20poly1305_decrypt(): " + "public nonce size should be " + "CRYPTO_AEAD_CHACHA20POLY1305_NPUBBYTES bytes", + 0); + return; + } + if (secretkey_len != crypto_aead_chacha20poly1305_KEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_aead_chacha20poly1305_decrypt(): " + "secret key size should be " + "CRYPTO_AEAD_CHACHA20POLY1305_KEYBYTES bytes", + 0); + return; + } + msg_len = ciphertext_len; + if (msg_len >= SIZE_MAX) { + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + msg = zend_string_alloc((size_t) msg_len, 0); + if (ciphertext_len < crypto_aead_chacha20poly1305_ABYTES || + crypto_aead_chacha20poly1305_decrypt + ((unsigned char *) ZSTR_VAL(msg), &msg_real_len, NULL, + ciphertext, (unsigned long long) ciphertext_len, + ad, (unsigned long long) ad_len, npub, secretkey) != 0) { + zend_string_free(msg); + RETURN_FALSE; + } + if (msg_real_len >= SIZE_MAX || msg_real_len > msg_len) { + zend_string_free(msg); + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + PHP_SODIUM_ZSTR_TRUNCATE(msg, (size_t) msg_real_len); + ZSTR_VAL(msg)[msg_real_len] = 0; + + RETURN_STR(msg); +} + +#ifdef crypto_aead_chacha20poly1305_IETF_NPUBBYTES +PHP_FUNCTION(sodium_crypto_aead_chacha20poly1305_ietf_encrypt) +{ + zend_string *ciphertext; + unsigned char *ad; + unsigned char *msg; + unsigned char *npub; + unsigned char *secretkey; + unsigned long long ciphertext_real_len; + size_t ad_len; + size_t ciphertext_len; + size_t msg_len; + size_t npub_len; + size_t secretkey_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ssss", + &msg, &msg_len, + &ad, &ad_len, + &npub, &npub_len, + &secretkey, &secretkey_len) == FAILURE) { + return; + } + if (npub_len != crypto_aead_chacha20poly1305_IETF_NPUBBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_aead_chacha20poly1305_ietf_encrypt(): " + "public nonce size should be " + "CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES bytes", + 0); + return; + } + if (secretkey_len != crypto_aead_chacha20poly1305_KEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_aead_chacha20poly1305_ietf_encrypt(): " + "secret key size should be " + "CRYPTO_AEAD_CHACHA20POLY1305_IETF_KEYBYTES bytes", + 0); + return; + } + if (SIZE_MAX - msg_len <= crypto_aead_chacha20poly1305_ABYTES) { + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + if ((unsigned long long) msg_len > 64ULL * (1ULL << 32) - 64ULL) { + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + ciphertext_len = msg_len + crypto_aead_chacha20poly1305_ABYTES; + ciphertext = zend_string_alloc((size_t) ciphertext_len, 0); + if (crypto_aead_chacha20poly1305_ietf_encrypt + ((unsigned char *) ZSTR_VAL(ciphertext), &ciphertext_real_len, msg, + (unsigned long long) msg_len, + ad, (unsigned long long) ad_len, NULL, npub, secretkey) != 0) { + zend_string_free(ciphertext); + zend_throw_exception(sodium_exception_ce, "crypto_aead_chacha20poly1305_ietf_encrypt(): internal error", 0); + return; + } + if (ciphertext_real_len <= 0U || ciphertext_real_len >= SIZE_MAX || + ciphertext_real_len > ciphertext_len) { + zend_string_free(ciphertext); + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + PHP_SODIUM_ZSTR_TRUNCATE(ciphertext, (size_t) ciphertext_real_len); + ZSTR_VAL(ciphertext)[ciphertext_real_len] = 0; + + RETURN_STR(ciphertext); +} + +PHP_FUNCTION(sodium_crypto_aead_chacha20poly1305_ietf_decrypt) +{ + zend_string *msg; + unsigned char *ad; + unsigned char *ciphertext; + unsigned char *npub; + unsigned char *secretkey; + unsigned long long msg_real_len; + size_t ad_len; + size_t ciphertext_len; + size_t msg_len; + size_t npub_len; + size_t secretkey_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ssss", + &ciphertext, &ciphertext_len, + &ad, &ad_len, + &npub, &npub_len, + &secretkey, &secretkey_len) == FAILURE) { + return; + } + if (npub_len != crypto_aead_chacha20poly1305_IETF_NPUBBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_aead_chacha20poly1305_ietf_decrypt(): " + "public nonce size should be " + "CRYPTO_AEAD_CHACHA20POLY1305_IETF_NPUBBYTES bytes", + 0); + return; + } + if (secretkey_len != crypto_aead_chacha20poly1305_KEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_aead_chacha20poly1305_ietf_decrypt(): " + "secret key size should be " + "CRYPTO_AEAD_CHACHA20POLY1305_IETF_KEYBYTES bytes", + 0); + return; + } + msg_len = ciphertext_len; + if (msg_len >= SIZE_MAX) { + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + if ((unsigned long long) ciphertext_len - + crypto_aead_chacha20poly1305_ABYTES > 64ULL * (1ULL << 32) - 64ULL) { + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + msg = zend_string_alloc((size_t) msg_len, 0); + if (ciphertext_len < crypto_aead_chacha20poly1305_ABYTES || + crypto_aead_chacha20poly1305_ietf_decrypt + ((unsigned char *) ZSTR_VAL(msg), &msg_real_len, NULL, + ciphertext, (unsigned long long) ciphertext_len, + ad, (unsigned long long) ad_len, npub, secretkey) != 0) { + zend_string_free(msg); + RETURN_FALSE; + } + if (msg_real_len >= SIZE_MAX || msg_real_len > msg_len) { + zend_string_free(msg); + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + PHP_SODIUM_ZSTR_TRUNCATE(msg, (size_t) msg_real_len); + ZSTR_VAL(msg)[msg_real_len] = 0; + + RETURN_STR(msg); +} +#endif + +#ifdef crypto_aead_xchacha20poly1305_IETF_NPUBBYTES +PHP_FUNCTION(sodium_crypto_aead_xchacha20poly1305_ietf_encrypt) +{ + zend_string *ciphertext; + unsigned char *ad; + unsigned char *msg; + unsigned char *npub; + unsigned char *secretkey; + unsigned long long ciphertext_real_len; + size_t ad_len; + size_t ciphertext_len; + size_t msg_len; + size_t npub_len; + size_t secretkey_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ssss", + &msg, &msg_len, + &ad, &ad_len, + &npub, &npub_len, + &secretkey, &secretkey_len) == FAILURE) { + return; + } + if (npub_len != crypto_aead_xchacha20poly1305_IETF_NPUBBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_aead_xchacha20poly1305_ietf_encrypt(): " + "public nonce size should be " + "CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES bytes", + 0); + return; + } + if (secretkey_len != crypto_aead_xchacha20poly1305_IETF_KEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_aead_xchacha20poly1305_ietf_encrypt(): " + "secret key size should be " + "CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES bytes", + 0); + return; + } + if (SIZE_MAX - msg_len <= crypto_aead_xchacha20poly1305_IETF_ABYTES) { + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + if ((unsigned long long) msg_len > 64ULL * (1ULL << 32) - 64ULL) { + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + ciphertext_len = msg_len + crypto_aead_xchacha20poly1305_IETF_ABYTES; + ciphertext = zend_string_alloc((size_t) ciphertext_len, 0); + if (crypto_aead_xchacha20poly1305_ietf_encrypt + ((unsigned char *) ZSTR_VAL(ciphertext), &ciphertext_real_len, msg, + (unsigned long long) msg_len, + ad, (unsigned long long) ad_len, NULL, npub, secretkey) != 0) { + zend_string_free(ciphertext); + zend_throw_exception(sodium_exception_ce, "crypto_aead_xchacha20poly1305_ietf_encrypt(): internal error", 0); + return; + } + if (ciphertext_real_len <= 0U || ciphertext_real_len >= SIZE_MAX || + ciphertext_real_len > ciphertext_len) { + zend_string_free(ciphertext); + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + PHP_SODIUM_ZSTR_TRUNCATE(ciphertext, (size_t) ciphertext_real_len); + ZSTR_VAL(ciphertext)[ciphertext_real_len] = 0; + + RETURN_STR(ciphertext); +} + +PHP_FUNCTION(sodium_crypto_aead_xchacha20poly1305_ietf_decrypt) +{ + zend_string *msg; + unsigned char *ad; + unsigned char *ciphertext; + unsigned char *npub; + unsigned char *secretkey; + unsigned long long msg_real_len; + size_t ad_len; + size_t ciphertext_len; + size_t msg_len; + size_t npub_len; + size_t secretkey_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ssss", + &ciphertext, &ciphertext_len, + &ad, &ad_len, + &npub, &npub_len, + &secretkey, &secretkey_len) == FAILURE) { + return; + } + if (npub_len != crypto_aead_xchacha20poly1305_IETF_NPUBBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_aead_xchacha20poly1305_ietf_decrypt(): " + "public nonce size should be " + "CRYPTO_AEAD_XCHACHA20POLY1305_IETF_NPUBBYTES bytes", + 0); + return; + } + if (secretkey_len != crypto_aead_xchacha20poly1305_IETF_KEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_aead_xchacha20poly1305_ietf_decrypt(): " + "secret key size should be " + "CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES bytes", + 0); + return; + } + msg_len = ciphertext_len; + if (msg_len >= SIZE_MAX) { + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + if ((unsigned long long) ciphertext_len - + crypto_aead_xchacha20poly1305_IETF_ABYTES > 64ULL * (1ULL << 32) - 64ULL) { + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + msg = zend_string_alloc((size_t) msg_len, 0); + if (ciphertext_len < crypto_aead_xchacha20poly1305_IETF_ABYTES || + crypto_aead_xchacha20poly1305_ietf_decrypt + ((unsigned char *) ZSTR_VAL(msg), &msg_real_len, NULL, + ciphertext, (unsigned long long) ciphertext_len, + ad, (unsigned long long) ad_len, npub, secretkey) != 0) { + zend_string_free(msg); + RETURN_FALSE; + } + if (msg_real_len >= SIZE_MAX || msg_real_len > msg_len) { + zend_string_free(msg); + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + PHP_SODIUM_ZSTR_TRUNCATE(msg, (size_t) msg_real_len); + ZSTR_VAL(msg)[msg_real_len] = 0; + + RETURN_STR(msg); +} +#endif + +PHP_FUNCTION(sodium_bin2hex) +{ + zend_string *hex; + unsigned char *bin; + size_t bin_len; + size_t hex_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", + &bin, &bin_len) == FAILURE) { + return; + } + if (bin_len >= SIZE_MAX / 2U) { + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + hex_len = bin_len * 2U; + hex = zend_string_alloc((size_t) hex_len, 0); + sodium_bin2hex(ZSTR_VAL(hex), hex_len + 1U, bin, bin_len); + ZSTR_VAL(hex)[hex_len] = 0; + + RETURN_STR(hex); +} + +PHP_FUNCTION(sodium_hex2bin) +{ + zend_string *bin; + char *hex; + char *ignore = NULL; + size_t bin_real_len; + size_t bin_len; + size_t hex_len; + size_t ignore_len = 0; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "s|s", + &hex, &hex_len, + &ignore, &ignore_len) == FAILURE) { + return; + } + bin_len = hex_len / 2; + bin = zend_string_alloc(bin_len, 0); + if (sodium_hex2bin((unsigned char *) ZSTR_VAL(bin), bin_len, hex, hex_len, + ignore, &bin_real_len, NULL) != 0 || + bin_real_len >= SIZE_MAX || bin_real_len > bin_len) { + zend_string_free(bin); + zend_throw_exception(sodium_exception_ce, "arithmetic overflow", 0); + return; + } + PHP_SODIUM_ZSTR_TRUNCATE(bin, (size_t) bin_real_len); + ZSTR_VAL(bin)[bin_real_len] = 0; + + RETURN_STR(bin); +} + +PHP_FUNCTION(sodium_crypto_scalarmult) +{ + zend_string *q; + unsigned char *n; + unsigned char *p; + size_t n_len; + size_t p_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss", + &n, &n_len, &p, &p_len) == FAILURE) { + return; + } + if (n_len != crypto_scalarmult_SCALARBYTES || + p_len != crypto_scalarmult_SCALARBYTES) { + zend_throw_exception(sodium_exception_ce, "crypto_scalarmult(): scalar and point must be " + "CRYPTO_SCALARMULT_SCALARBYTES bytes", + 0); + return; + } + q = zend_string_alloc(crypto_scalarmult_BYTES, 0); + if (crypto_scalarmult((unsigned char *) ZSTR_VAL(q), n, p) != 0) { + zend_string_free(q); + zend_throw_exception(sodium_exception_ce, "crypto_scalarmult(): internal error", 0); + return; + } + ZSTR_VAL(q)[crypto_scalarmult_BYTES] = 0; + + RETURN_STR(q); +} + +PHP_FUNCTION(sodium_crypto_kx) +{ + crypto_generichash_state h; + unsigned char q[crypto_scalarmult_BYTES]; + zend_string *sharedkey; + unsigned char *client_publickey; + unsigned char *publickey; + unsigned char *secretkey; + unsigned char *server_publickey; + size_t client_publickey_len; + size_t publickey_len; + size_t secretkey_len; + size_t server_publickey_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ssss", + &secretkey, &secretkey_len, + &publickey, &publickey_len, + &client_publickey, &client_publickey_len, + &server_publickey, &server_publickey_len) == FAILURE) { + return; + } + if (secretkey_len != crypto_kx_SECRETKEYBYTES) { + zend_throw_exception(sodium_exception_ce, "crypto_kx(): secret key must be CRYPTO_KX_SECRETKEY bytes", 0); + return; + } + if (publickey_len != crypto_kx_PUBLICKEYBYTES || + client_publickey_len != crypto_kx_PUBLICKEYBYTES || + server_publickey_len != crypto_kx_PUBLICKEYBYTES) { + zend_throw_exception(sodium_exception_ce, "crypto_kx(): public keys must be CRYPTO_KX_PUBLICKEY bytes", 0); + return; + } + (void) sizeof(int[crypto_scalarmult_SCALARBYTES == + crypto_kx_PUBLICKEYBYTES ? 1 : -1]); + (void) sizeof(int[crypto_scalarmult_SCALARBYTES == + crypto_kx_SECRETKEYBYTES ? 1 : -1]); + if (crypto_scalarmult(q, secretkey, publickey) != 0) { + zend_throw_exception(sodium_exception_ce, "crypto_kx(): internal error", 0); + return; + } + sharedkey = zend_string_alloc(crypto_kx_BYTES, 0); + crypto_generichash_init(&h, NULL, 0U, crypto_generichash_BYTES); + crypto_generichash_update(&h, q, sizeof q); + sodium_memzero(q, sizeof q); + crypto_generichash_update(&h, client_publickey, client_publickey_len); + crypto_generichash_update(&h, server_publickey, server_publickey_len); + crypto_generichash_final(&h, (unsigned char *) ZSTR_VAL(sharedkey), + crypto_kx_BYTES); + ZSTR_VAL(sharedkey)[crypto_kx_BYTES] = 0; + + RETURN_STR(sharedkey); +} + +PHP_FUNCTION(sodium_crypto_auth) +{ + zend_string *mac; + char *key; + char *msg; + size_t msg_len; + size_t key_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss", + &msg, &msg_len, + &key, &key_len) == FAILURE) { + return; + } + if (key_len != crypto_auth_KEYBYTES) { + zend_throw_exception(sodium_exception_ce, "crypto_auth(): key must be CRYPTO_AUTH_KEYBYTES bytes", 0); + return; + } + mac = zend_string_alloc(crypto_auth_BYTES, 0); + if (crypto_auth((unsigned char *) ZSTR_VAL(mac), + (const unsigned char *) msg, msg_len, + (const unsigned char *) key) != 0) { + zend_throw_exception(sodium_exception_ce, "crypto_auth(): internal error", 0); + return; + } + ZSTR_VAL(mac)[crypto_auth_BYTES] = 0; + + RETURN_STR(mac); +} + +PHP_FUNCTION(sodium_crypto_auth_verify) +{ + char *mac; + char *key; + char *msg; + size_t mac_len; + size_t msg_len; + size_t key_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "sss", + &mac, &mac_len, + &msg, &msg_len, + &key, &key_len) == FAILURE) { + return; + } + if (key_len != crypto_auth_KEYBYTES) { + zend_throw_exception(sodium_exception_ce, "crypto_auth_verify(): key must be CRYPTO_AUTH_KEYBYTES bytes", 0); + return; + } + if (mac_len != crypto_auth_BYTES) { + zend_throw_exception(sodium_exception_ce, "crypto_auth_verify(): authentication tag must be CRYPTO_AUTH_BYTES bytes", 0); + return; + } + if (crypto_auth_verify((const unsigned char *) mac, + (const unsigned char *) msg, msg_len, + (const unsigned char *) key) != 0) { + RETURN_FALSE; + } + RETURN_TRUE; +} + +PHP_FUNCTION(sodium_crypto_sign_ed25519_sk_to_curve25519) +{ + zend_string *ecdhkey; + char *eddsakey; + size_t eddsakey_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", + &eddsakey, &eddsakey_len) == FAILURE) { + return; + } + if (eddsakey_len != crypto_sign_SECRETKEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_sign_ed25519_sk_to_curve25519(): " + "Ed25519 key should be CRYPTO_SIGN_SECRETKEYBYTES bytes", + 0); + return; + } + ecdhkey = zend_string_alloc(crypto_box_SECRETKEYBYTES, 0); + + if (crypto_sign_ed25519_sk_to_curve25519((unsigned char *) ZSTR_VAL(ecdhkey), + (const unsigned char *) eddsakey) != 0) { + zend_throw_exception(sodium_exception_ce, "crypto_sign_ed25519_sk_to_curve25519()", 0); + return; + } + ZSTR_VAL(ecdhkey)[crypto_box_SECRETKEYBYTES] = 0; + + RETURN_STR(ecdhkey); +} + +PHP_FUNCTION(sodium_crypto_sign_ed25519_pk_to_curve25519) +{ + zend_string *ecdhkey; + char *eddsakey; + size_t eddsakey_len; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "s", + &eddsakey, &eddsakey_len) == FAILURE) { + return; + } + if (eddsakey_len != crypto_sign_PUBLICKEYBYTES) { + zend_throw_exception(sodium_exception_ce, + "crypto_sign_ed25519_pk_to_curve25519(): " + "Ed25519 key should be CRYPTO_SIGN_PUBLICKEYBYTES bytes", + 0); + return; + } + ecdhkey = zend_string_alloc(crypto_sign_PUBLICKEYBYTES, 0); + + if (crypto_sign_ed25519_pk_to_curve25519((unsigned char *) ZSTR_VAL(ecdhkey), + (const unsigned char *) eddsakey) != 0) { + zend_throw_exception(sodium_exception_ce, "crypto_sign_ed25519_pk_to_curve25519()", 0); + return; + } + ZSTR_VAL(ecdhkey)[crypto_box_PUBLICKEYBYTES] = 0; + + RETURN_STR(ecdhkey); +} + +#if SODIUM_LIBRARY_VERSION_MAJOR > 7 || \ + (SODIUM_LIBRARY_VERSION_MAJOR == 7 && SODIUM_LIBRARY_VERSION_MINOR >= 6) +PHP_FUNCTION(sodium_compare) +{ + char *buf1; + char *buf2; + size_t len1; + size_t len2; + + if (zend_parse_parameters(ZEND_NUM_ARGS(), "ss", + &buf1, &len1, + &buf2, &len2) == FAILURE) { + return; + } + if (len1 != len2) { + zend_throw_exception(sodium_exception_ce, "compare(): arguments have different sizes", 0); + } else { + RETURN_LONG(sodium_compare((const unsigned char *) buf1, + (const unsigned char *) buf2, (size_t) len1)); + } +} +#endif + +/* + * Local variables: + * tab-width: 4 + * c-basic-offset: 4 + * End: + * vim600: sw=4 ts=4 tw=78 fdm=marker + * vim<600: sw=4 ts=4 tw=78 + */ |