diff options
Diffstat (limited to 'src/mongo/crypto/tom/tomcrypt_cipher.h')
| -rw-r--r-- | src/mongo/crypto/tom/tomcrypt_cipher.h | 748 |
1 files changed, 406 insertions, 342 deletions
diff --git a/src/mongo/crypto/tom/tomcrypt_cipher.h b/src/mongo/crypto/tom/tomcrypt_cipher.h index f0ef7d2629e..43efbacc752 100644 --- a/src/mongo/crypto/tom/tomcrypt_cipher.h +++ b/src/mongo/crypto/tom/tomcrypt_cipher.h @@ -60,9 +60,7 @@ struct kseed_key { #ifdef LTC_KASUMI struct kasumi_key { - ulong32 KLi1[8], KLi2[8], - KOi1[8], KOi2[8], KOi3[8], - KIi1[8], KIi2[8], KIi3[8]; + ulong32 KLi1[8], KLi2[8], KOi1[8], KOi2[8], KOi3[8], KIi1[8], KIi2[8], KIi3[8]; }; #endif @@ -74,32 +72,36 @@ struct xtea_key { #ifdef LTC_TWOFISH #ifndef LTC_TWOFISH_SMALL - struct twofish_key { - ulong32 S[4][256], K[40]; - }; +struct twofish_key { + ulong32 S[4][256], K[40]; +}; #else - struct twofish_key { - ulong32 K[40]; - unsigned char S[32], start; - }; +struct twofish_key { + ulong32 K[40]; + unsigned char S[32], start; +}; #endif #endif #ifdef LTC_SAFER -#define LTC_SAFER_K64_DEFAULT_NOF_ROUNDS 6 -#define LTC_SAFER_K128_DEFAULT_NOF_ROUNDS 10 -#define LTC_SAFER_SK64_DEFAULT_NOF_ROUNDS 8 -#define LTC_SAFER_SK128_DEFAULT_NOF_ROUNDS 10 -#define LTC_SAFER_MAX_NOF_ROUNDS 13 -#define LTC_SAFER_BLOCK_LEN 8 -#define LTC_SAFER_KEY_LEN (1 + LTC_SAFER_BLOCK_LEN * (1 + 2 * LTC_SAFER_MAX_NOF_ROUNDS)) +#define LTC_SAFER_K64_DEFAULT_NOF_ROUNDS 6 +#define LTC_SAFER_K128_DEFAULT_NOF_ROUNDS 10 +#define LTC_SAFER_SK64_DEFAULT_NOF_ROUNDS 8 +#define LTC_SAFER_SK128_DEFAULT_NOF_ROUNDS 10 +#define LTC_SAFER_MAX_NOF_ROUNDS 13 +#define LTC_SAFER_BLOCK_LEN 8 +#define LTC_SAFER_KEY_LEN (1 + LTC_SAFER_BLOCK_LEN * (1 + 2 * LTC_SAFER_MAX_NOF_ROUNDS)) typedef unsigned char safer_block_t[LTC_SAFER_BLOCK_LEN]; typedef unsigned char safer_key_t[LTC_SAFER_KEY_LEN]; -struct safer_key { safer_key_t key; }; +struct safer_key { + safer_key_t key; +}; #endif #ifdef LTC_RC2 -struct rc2_key { unsigned xkey[64]; }; +struct rc2_key { + unsigned xkey[64]; +}; #endif #ifdef LTC_DES @@ -165,62 +167,62 @@ typedef union Symmetric_key { struct safer_key safer; #endif #ifdef LTC_TWOFISH - struct twofish_key twofish; + struct twofish_key twofish; #endif #ifdef LTC_BLOWFISH struct blowfish_key blowfish; #endif #ifdef LTC_RC5 - struct rc5_key rc5; + struct rc5_key rc5; #endif #ifdef LTC_RC6 - struct rc6_key rc6; + struct rc6_key rc6; #endif #ifdef LTC_SAFERP - struct saferp_key saferp; + struct saferp_key saferp; #endif #ifdef LTC_RIJNDAEL struct rijndael_key rijndael; #endif #ifdef LTC_XTEA - struct xtea_key xtea; + struct xtea_key xtea; #endif #ifdef LTC_CAST5 - struct cast5_key cast5; + struct cast5_key cast5; #endif #ifdef LTC_NOEKEON - struct noekeon_key noekeon; + struct noekeon_key noekeon; #endif #ifdef LTC_SKIPJACK struct skipjack_key skipjack; #endif #ifdef LTC_KHAZAD - struct khazad_key khazad; + struct khazad_key khazad; #endif #ifdef LTC_ANUBIS - struct anubis_key anubis; + struct anubis_key anubis; #endif #ifdef LTC_KSEED - struct kseed_key kseed; + struct kseed_key kseed; #endif #ifdef LTC_KASUMI - struct kasumi_key kasumi; + struct kasumi_key kasumi; #endif #ifdef LTC_MULTI2 - struct multi2_key multi2; + struct multi2_key multi2; #endif - void *data; + void* data; } symmetric_key; #ifdef LTC_ECB_MODE /** A block cipher ECB structure */ typedef struct { /** The index of the cipher chosen */ - int cipher, - /** The block size of the given cipher */ - blocklen; + int cipher, + /** The block size of the given cipher */ + blocklen; /** The scheduled key */ - symmetric_key key; + symmetric_key key; } symmetric_ECB; #endif @@ -228,17 +230,17 @@ typedef struct { /** A block cipher CFB structure */ typedef struct { /** The index of the cipher chosen */ - int cipher, - /** The block size of the given cipher */ - blocklen, - /** The padding offset */ - padlen; + int cipher, + /** The block size of the given cipher */ + blocklen, + /** The padding offset */ + padlen; /** The current IV */ - unsigned char IV[MAXBLOCKSIZE], - /** The pad used to encrypt/decrypt */ - pad[MAXBLOCKSIZE]; + unsigned char IV[MAXBLOCKSIZE], + /** The pad used to encrypt/decrypt */ + pad[MAXBLOCKSIZE]; /** The scheduled key */ - symmetric_key key; + symmetric_key key; } symmetric_CFB; #endif @@ -246,15 +248,15 @@ typedef struct { /** A block cipher OFB structure */ typedef struct { /** The index of the cipher chosen */ - int cipher, - /** The block size of the given cipher */ - blocklen, - /** The padding offset */ - padlen; + int cipher, + /** The block size of the given cipher */ + blocklen, + /** The padding offset */ + padlen; /** The current IV */ - unsigned char IV[MAXBLOCKSIZE]; + unsigned char IV[MAXBLOCKSIZE]; /** The scheduled key */ - symmetric_key key; + symmetric_key key; } symmetric_OFB; #endif @@ -262,13 +264,13 @@ typedef struct { /** A block cipher CBC structure */ typedef struct { /** The index of the cipher chosen */ - int cipher, - /** The block size of the given cipher */ - blocklen; + int cipher, + /** The block size of the given cipher */ + blocklen; /** The current IV */ - unsigned char IV[MAXBLOCKSIZE]; + unsigned char IV[MAXBLOCKSIZE]; /** The scheduled key */ - symmetric_key key; + symmetric_key key; } symmetric_CBC; #endif @@ -277,22 +279,22 @@ typedef struct { /** A block cipher CTR structure */ typedef struct { /** The index of the cipher chosen */ - int cipher, - /** The block size of the given cipher */ - blocklen, - /** The padding offset */ - padlen, - /** The mode (endianess) of the CTR, 0==little, 1==big */ - mode, - /** counter width */ - ctrlen; + int cipher, + /** The block size of the given cipher */ + blocklen, + /** The padding offset */ + padlen, + /** The mode (endianess) of the CTR, 0==little, 1==big */ + mode, + /** counter width */ + ctrlen; /** The counter */ - unsigned char ctr[MAXBLOCKSIZE], - /** The pad used to encrypt/decrypt */ - pad[MAXBLOCKSIZE]; + unsigned char ctr[MAXBLOCKSIZE], + /** The pad used to encrypt/decrypt */ + pad[MAXBLOCKSIZE]; /** The scheduled key */ - symmetric_key key; + symmetric_key key; } symmetric_CTR; #endif @@ -301,23 +303,23 @@ typedef struct { /** A LRW structure */ typedef struct { /** The index of the cipher chosen (must be a 128-bit block cipher) */ - int cipher; + int cipher; /** The current IV */ - unsigned char IV[16], + unsigned char IV[16], - /** the tweak key */ - tweak[16], + /** the tweak key */ + tweak[16], - /** The current pad, it's the product of the first 15 bytes against the tweak key */ - pad[16]; + /** The current pad, it's the product of the first 15 bytes against the tweak key */ + pad[16]; /** The scheduled symmetric key */ - symmetric_key key; + symmetric_key key; #ifdef LRW_TABLES /** The pre-computed multiplication table */ - unsigned char PC[16][256][16]; + unsigned char PC[16][256][16]; #endif } symmetric_LRW; #endif @@ -326,18 +328,17 @@ typedef struct { /** A block cipher F8 structure */ typedef struct { /** The index of the cipher chosen */ - int cipher, - /** The block size of the given cipher */ - blocklen, - /** The padding offset */ - padlen; + int cipher, + /** The block size of the given cipher */ + blocklen, + /** The padding offset */ + padlen; /** The current IV */ - unsigned char IV[MAXBLOCKSIZE], - MIV[MAXBLOCKSIZE]; + unsigned char IV[MAXBLOCKSIZE], MIV[MAXBLOCKSIZE]; /** Current block count */ - ulong32 blockcnt; + ulong32 blockcnt; /** The scheduled key */ - symmetric_key key; + symmetric_key key; } symmetric_F8; #endif @@ -345,17 +346,17 @@ typedef struct { /** cipher descriptor table, last entry has "name == NULL" to mark the end of table */ extern struct ltc_cipher_descriptor { /** name of cipher */ - char *name; + char* name; /** internal ID */ unsigned char ID; /** min keysize (octets) */ - int min_key_length, - /** max keysize (octets) */ - max_key_length, - /** block size (octets) */ - block_length, - /** default number of rounds */ - default_rounds; + int min_key_length, + /** max keysize (octets) */ + max_key_length, + /** block size (octets) */ + block_length, + /** default number of rounds */ + default_rounds; /** Setup the cipher @param key The input symmetric key @param keylen The length of the input key (octets) @@ -363,21 +364,21 @@ extern struct ltc_cipher_descriptor { @param skey [out] The destination of the scheduled key @return CRYPT_OK if successful */ - int (*setup)(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); + int (*setup)(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); /** Encrypt a block @param pt The plaintex @param ct [out] The ciphertex @param skey The scheduled key @return CRYPT_OK if successful */ - int (*ecb_encrypt)(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); + int (*ecb_encrypt)(const unsigned char* pt, unsigned char* ct, symmetric_key* skey); /** Decrypt a block @param ct The ciphertex @param pt [out] The plaintex @param skey The scheduled key @return CRYPT_OK if successful */ - int (*ecb_decrypt)(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); + int (*ecb_decrypt)(const unsigned char* ct, unsigned char* pt, symmetric_key* skey); /** Test the block cipher @return CRYPT_OK if successful, CRYPT_NOP if self-testing has been disabled */ @@ -386,15 +387,15 @@ extern struct ltc_cipher_descriptor { /** Terminate the contex @param skey The scheduled key */ - void (*done)(symmetric_key *skey); + void (*done)(symmetric_key* skey); /** Determine a key size @param keysize [in/out] The size of the key desired and the suggested size @return CRYPT_OK if successful */ - int (*keysize)(int *keysize); + int (*keysize)(int* keysize); -/** Accelerators **/ + /** Accelerators **/ /** Accelerated ECB encryption @param pt Plaintex @param ct Ciphertex @@ -402,7 +403,10 @@ extern struct ltc_cipher_descriptor { @param skey The scheduled key contex @return CRYPT_OK if successful */ - int (*accel_ecb_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, symmetric_key *skey); + int (*accel_ecb_encrypt)(const unsigned char* pt, + unsigned char* ct, + unsigned long blocks, + symmetric_key* skey); /** Accelerated ECB decryption @param pt Plaintex @@ -411,7 +415,10 @@ extern struct ltc_cipher_descriptor { @param skey The scheduled key contex @return CRYPT_OK if successful */ - int (*accel_ecb_decrypt)(const unsigned char *ct, unsigned char *pt, unsigned long blocks, symmetric_key *skey); + int (*accel_ecb_decrypt)(const unsigned char* ct, + unsigned char* pt, + unsigned long blocks, + symmetric_key* skey); /** Accelerated CBC encryption @param pt Plaintex @@ -421,7 +428,11 @@ extern struct ltc_cipher_descriptor { @param skey The scheduled key contex @return CRYPT_OK if successful */ - int (*accel_cbc_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, unsigned char *IV, symmetric_key *skey); + int (*accel_cbc_encrypt)(const unsigned char* pt, + unsigned char* ct, + unsigned long blocks, + unsigned char* IV, + symmetric_key* skey); /** Accelerated CBC decryption @param pt Plaintex @@ -431,7 +442,11 @@ extern struct ltc_cipher_descriptor { @param skey The scheduled key contex @return CRYPT_OK if successful */ - int (*accel_cbc_decrypt)(const unsigned char *ct, unsigned char *pt, unsigned long blocks, unsigned char *IV, symmetric_key *skey); + int (*accel_cbc_decrypt)(const unsigned char* ct, + unsigned char* pt, + unsigned long blocks, + unsigned char* IV, + symmetric_key* skey); /** Accelerated CTR encryption @param pt Plaintex @@ -442,7 +457,12 @@ extern struct ltc_cipher_descriptor { @param skey The scheduled key contex @return CRYPT_OK if successful */ - int (*accel_ctr_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, unsigned char *IV, int mode, symmetric_key *skey); + int (*accel_ctr_encrypt)(const unsigned char* pt, + unsigned char* ct, + unsigned long blocks, + unsigned char* IV, + int mode, + symmetric_key* skey); /** Accelerated LRW @param pt Plaintex @@ -453,7 +473,12 @@ extern struct ltc_cipher_descriptor { @param skey The scheduled key contex @return CRYPT_OK if successful */ - int (*accel_lrw_encrypt)(const unsigned char *pt, unsigned char *ct, unsigned long blocks, unsigned char *IV, const unsigned char *tweak, symmetric_key *skey); + int (*accel_lrw_encrypt)(const unsigned char* pt, + unsigned char* ct, + unsigned long blocks, + unsigned char* IV, + const unsigned char* tweak, + symmetric_key* skey); /** Accelerated LRW @param ct Ciphertex @@ -464,7 +489,12 @@ extern struct ltc_cipher_descriptor { @param skey The scheduled key contex @return CRYPT_OK if successful */ - int (*accel_lrw_decrypt)(const unsigned char *ct, unsigned char *pt, unsigned long blocks, unsigned char *IV, const unsigned char *tweak, symmetric_key *skey); + int (*accel_lrw_decrypt)(const unsigned char* ct, + unsigned char* pt, + unsigned long blocks, + unsigned char* IV, + const unsigned char* tweak, + symmetric_key* skey); /** Accelerated CCM packet (one-shot) @param key The secret key to use @@ -482,15 +512,19 @@ extern struct ltc_cipher_descriptor { @param direction Encrypt or Decrypt direction (0 or 1) @return CRYPT_OK if successful */ - int (*accel_ccm_memory)( - const unsigned char *key, unsigned long keylen, - symmetric_key *uskey, - const unsigned char *nonce, unsigned long noncelen, - const unsigned char *header, unsigned long headerlen, - unsigned char *pt, unsigned long ptlen, - unsigned char *ct, - unsigned char *tag, unsigned long *taglen, - int direction); + int (*accel_ccm_memory)(const unsigned char* key, + unsigned long keylen, + symmetric_key* uskey, + const unsigned char* nonce, + unsigned long noncelen, + const unsigned char* header, + unsigned long headerlen, + unsigned char* pt, + unsigned long ptlen, + unsigned char* ct, + unsigned char* tag, + unsigned long* taglen, + int direction); /** Accelerated GCM packet (one shot) @param key The secret key @@ -507,14 +541,18 @@ extern struct ltc_cipher_descriptor { @param direction Encrypt or Decrypt mode (GCM_ENCRYPT or GCM_DECRYPT) @return CRYPT_OK on success */ - int (*accel_gcm_memory)( - const unsigned char *key, unsigned long keylen, - const unsigned char *IV, unsigned long IVlen, - const unsigned char *adata, unsigned long adatalen, - unsigned char *pt, unsigned long ptlen, - unsigned char *ct, - unsigned char *tag, unsigned long *taglen, - int direction); + int (*accel_gcm_memory)(const unsigned char* key, + unsigned long keylen, + const unsigned char* IV, + unsigned long IVlen, + const unsigned char* adata, + unsigned long adatalen, + unsigned char* pt, + unsigned long ptlen, + unsigned char* ct, + unsigned char* tag, + unsigned long* taglen, + int direction); /** Accelerated one shot LTC_OMAC @param key The secret key @@ -525,10 +563,12 @@ extern struct ltc_cipher_descriptor { @param outlen [in/out] Initial and final size of ou @return CRYPT_OK on success */ - int (*omac_memory)( - const unsigned char *key, unsigned long keylen, - const unsigned char *in, unsigned long inlen, - unsigned char *out, unsigned long *outlen); + int (*omac_memory)(const unsigned char* key, + unsigned long keylen, + const unsigned char* in, + unsigned long inlen, + unsigned char* out, + unsigned long* outlen); /** Accelerated one shot XCBC @param key The secret key @@ -539,10 +579,12 @@ extern struct ltc_cipher_descriptor { @param outlen [in/out] Initial and final size of ou @return CRYPT_OK on success */ - int (*xcbc_memory)( - const unsigned char *key, unsigned long keylen, - const unsigned char *in, unsigned long inlen, - unsigned char *out, unsigned long *outlen); + int (*xcbc_memory)(const unsigned char* key, + unsigned long keylen, + const unsigned char* in, + unsigned long inlen, + unsigned char* out, + unsigned long* outlen); /** Accelerated one shot F9 @param key The secret key @@ -554,277 +596,293 @@ extern struct ltc_cipher_descriptor { @return CRYPT_OK on success @remark Requires manual padding */ - int (*f9_memory)( - const unsigned char *key, unsigned long keylen, - const unsigned char *in, unsigned long inlen, - unsigned char *out, unsigned long *outlen); + int (*f9_memory)(const unsigned char* key, + unsigned long keylen, + const unsigned char* in, + unsigned long inlen, + unsigned char* out, + unsigned long* outlen); } cipher_descriptor[]; #ifdef LTC_BLOWFISH -int blowfish_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int blowfish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); -int blowfish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); +int blowfish_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int blowfish_ecb_encrypt(const unsigned char* pt, unsigned char* ct, symmetric_key* skey); +int blowfish_ecb_decrypt(const unsigned char* ct, unsigned char* pt, symmetric_key* skey); int blowfish_test(void); -void blowfish_done(symmetric_key *skey); -int blowfish_keysize(int *keysize); +void blowfish_done(symmetric_key* skey); +int blowfish_keysize(int* keysize); extern const struct ltc_cipher_descriptor blowfish_desc; #endif #ifdef LTC_RC5 -int rc5_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int rc5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); -int rc5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); +int rc5_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int rc5_ecb_encrypt(const unsigned char* pt, unsigned char* ct, symmetric_key* skey); +int rc5_ecb_decrypt(const unsigned char* ct, unsigned char* pt, symmetric_key* skey); int rc5_test(void); -void rc5_done(symmetric_key *skey); -int rc5_keysize(int *keysize); +void rc5_done(symmetric_key* skey); +int rc5_keysize(int* keysize); extern const struct ltc_cipher_descriptor rc5_desc; #endif #ifdef LTC_RC6 -int rc6_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int rc6_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); -int rc6_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); +int rc6_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int rc6_ecb_encrypt(const unsigned char* pt, unsigned char* ct, symmetric_key* skey); +int rc6_ecb_decrypt(const unsigned char* ct, unsigned char* pt, symmetric_key* skey); int rc6_test(void); -void rc6_done(symmetric_key *skey); -int rc6_keysize(int *keysize); +void rc6_done(symmetric_key* skey); +int rc6_keysize(int* keysize); extern const struct ltc_cipher_descriptor rc6_desc; #endif #ifdef LTC_RC2 -int rc2_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int rc2_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); -int rc2_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); +int rc2_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int rc2_ecb_encrypt(const unsigned char* pt, unsigned char* ct, symmetric_key* skey); +int rc2_ecb_decrypt(const unsigned char* ct, unsigned char* pt, symmetric_key* skey); int rc2_test(void); -void rc2_done(symmetric_key *skey); -int rc2_keysize(int *keysize); +void rc2_done(symmetric_key* skey); +int rc2_keysize(int* keysize); extern const struct ltc_cipher_descriptor rc2_desc; #endif #ifdef LTC_SAFERP -int saferp_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int saferp_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); -int saferp_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); +int saferp_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int saferp_ecb_encrypt(const unsigned char* pt, unsigned char* ct, symmetric_key* skey); +int saferp_ecb_decrypt(const unsigned char* ct, unsigned char* pt, symmetric_key* skey); int saferp_test(void); -void saferp_done(symmetric_key *skey); -int saferp_keysize(int *keysize); +void saferp_done(symmetric_key* skey); +int saferp_keysize(int* keysize); extern const struct ltc_cipher_descriptor saferp_desc; #endif #ifdef LTC_SAFER -int safer_k64_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int safer_sk64_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int safer_k128_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int safer_sk128_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int safer_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *key); -int safer_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *key); +int safer_k64_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int safer_sk64_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int safer_k128_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int safer_sk128_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int safer_ecb_encrypt(const unsigned char* pt, unsigned char* ct, symmetric_key* key); +int safer_ecb_decrypt(const unsigned char* ct, unsigned char* pt, symmetric_key* key); int safer_k64_test(void); int safer_sk64_test(void); int safer_sk128_test(void); -void safer_done(symmetric_key *skey); -int safer_64_keysize(int *keysize); -int safer_128_keysize(int *keysize); -extern const struct ltc_cipher_descriptor safer_k64_desc, safer_k128_desc, safer_sk64_desc, safer_sk128_desc; +void safer_done(symmetric_key* skey); +int safer_64_keysize(int* keysize); +int safer_128_keysize(int* keysize); +extern const struct ltc_cipher_descriptor safer_k64_desc, safer_k128_desc, safer_sk64_desc, + safer_sk128_desc; #endif #ifdef LTC_RIJNDAEL /* make aes an alias */ -#define aes_setup rijndael_setup -#define aes_ecb_encrypt rijndael_ecb_encryp -#define aes_ecb_decrypt rijndael_ecb_decryp -#define aes_test rijndael_tes -#define aes_done rijndael_done -#define aes_keysize rijndael_keysize - -#define aes_enc_setup rijndael_enc_setup -#define aes_enc_ecb_encrypt rijndael_enc_ecb_encryp -#define aes_enc_keysize rijndael_enc_keysize - -int rijndael_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int rijndael_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); -int rijndael_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); +#define aes_setup rijndael_setup +#define aes_ecb_encrypt rijndael_ecb_encryp +#define aes_ecb_decrypt rijndael_ecb_decryp +#define aes_test rijndael_tes +#define aes_done rijndael_done +#define aes_keysize rijndael_keysize + +#define aes_enc_setup rijndael_enc_setup +#define aes_enc_ecb_encrypt rijndael_enc_ecb_encryp +#define aes_enc_keysize rijndael_enc_keysize + +int rijndael_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int rijndael_ecb_encrypt(const unsigned char* pt, unsigned char* ct, symmetric_key* skey); +int rijndael_ecb_decrypt(const unsigned char* ct, unsigned char* pt, symmetric_key* skey); int rijndael_test(void); -void rijndael_done(symmetric_key *skey); -int rijndael_keysize(int *keysize); -int rijndael_enc_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int rijndael_enc_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); -void rijndael_enc_done(symmetric_key *skey); -int rijndael_enc_keysize(int *keysize); +void rijndael_done(symmetric_key* skey); +int rijndael_keysize(int* keysize); +int rijndael_enc_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int rijndael_enc_ecb_encrypt(const unsigned char* pt, unsigned char* ct, symmetric_key* skey); +void rijndael_enc_done(symmetric_key* skey); +int rijndael_enc_keysize(int* keysize); extern const struct ltc_cipher_descriptor rijndael_desc, aes_desc; extern const struct ltc_cipher_descriptor rijndael_enc_desc, aes_enc_desc; #endif #ifdef LTC_XTEA -int xtea_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int xtea_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); -int xtea_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); +int xtea_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int xtea_ecb_encrypt(const unsigned char* pt, unsigned char* ct, symmetric_key* skey); +int xtea_ecb_decrypt(const unsigned char* ct, unsigned char* pt, symmetric_key* skey); int xtea_test(void); -void xtea_done(symmetric_key *skey); -int xtea_keysize(int *keysize); +void xtea_done(symmetric_key* skey); +int xtea_keysize(int* keysize); extern const struct ltc_cipher_descriptor xtea_desc; #endif #ifdef LTC_TWOFISH -int twofish_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int twofish_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); -int twofish_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); +int twofish_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int twofish_ecb_encrypt(const unsigned char* pt, unsigned char* ct, symmetric_key* skey); +int twofish_ecb_decrypt(const unsigned char* ct, unsigned char* pt, symmetric_key* skey); int twofish_test(void); -void twofish_done(symmetric_key *skey); -int twofish_keysize(int *keysize); +void twofish_done(symmetric_key* skey); +int twofish_keysize(int* keysize); extern const struct ltc_cipher_descriptor twofish_desc; #endif #ifdef LTC_DES -int des_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int des_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); -int des_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); +int des_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int des_ecb_encrypt(const unsigned char* pt, unsigned char* ct, symmetric_key* skey); +int des_ecb_decrypt(const unsigned char* ct, unsigned char* pt, symmetric_key* skey); int des_test(void); -void des_done(symmetric_key *skey); -int des_keysize(int *keysize); -int des3_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int des3_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); -int des3_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); +void des_done(symmetric_key* skey); +int des_keysize(int* keysize); +int des3_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int des3_ecb_encrypt(const unsigned char* pt, unsigned char* ct, symmetric_key* skey); +int des3_ecb_decrypt(const unsigned char* ct, unsigned char* pt, symmetric_key* skey); int des3_test(void); -void des3_done(symmetric_key *skey); -int des3_keysize(int *keysize); +void des3_done(symmetric_key* skey); +int des3_keysize(int* keysize); extern const struct ltc_cipher_descriptor des_desc, des3_desc; #endif #ifdef LTC_CAST5 -int cast5_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int cast5_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); -int cast5_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); +int cast5_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int cast5_ecb_encrypt(const unsigned char* pt, unsigned char* ct, symmetric_key* skey); +int cast5_ecb_decrypt(const unsigned char* ct, unsigned char* pt, symmetric_key* skey); int cast5_test(void); -void cast5_done(symmetric_key *skey); -int cast5_keysize(int *keysize); +void cast5_done(symmetric_key* skey); +int cast5_keysize(int* keysize); extern const struct ltc_cipher_descriptor cast5_desc; #endif #ifdef LTC_NOEKEON -int noekeon_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int noekeon_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); -int noekeon_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); +int noekeon_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int noekeon_ecb_encrypt(const unsigned char* pt, unsigned char* ct, symmetric_key* skey); +int noekeon_ecb_decrypt(const unsigned char* ct, unsigned char* pt, symmetric_key* skey); int noekeon_test(void); -void noekeon_done(symmetric_key *skey); -int noekeon_keysize(int *keysize); +void noekeon_done(symmetric_key* skey); +int noekeon_keysize(int* keysize); extern const struct ltc_cipher_descriptor noekeon_desc; #endif #ifdef LTC_SKIPJACK -int skipjack_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int skipjack_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); -int skipjack_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); +int skipjack_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int skipjack_ecb_encrypt(const unsigned char* pt, unsigned char* ct, symmetric_key* skey); +int skipjack_ecb_decrypt(const unsigned char* ct, unsigned char* pt, symmetric_key* skey); int skipjack_test(void); -void skipjack_done(symmetric_key *skey); -int skipjack_keysize(int *keysize); +void skipjack_done(symmetric_key* skey); +int skipjack_keysize(int* keysize); extern const struct ltc_cipher_descriptor skipjack_desc; #endif #ifdef LTC_KHAZAD -int khazad_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int khazad_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); -int khazad_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); +int khazad_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int khazad_ecb_encrypt(const unsigned char* pt, unsigned char* ct, symmetric_key* skey); +int khazad_ecb_decrypt(const unsigned char* ct, unsigned char* pt, symmetric_key* skey); int khazad_test(void); -void khazad_done(symmetric_key *skey); -int khazad_keysize(int *keysize); +void khazad_done(symmetric_key* skey); +int khazad_keysize(int* keysize); extern const struct ltc_cipher_descriptor khazad_desc; #endif #ifdef LTC_ANUBIS -int anubis_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int anubis_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); -int anubis_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); +int anubis_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int anubis_ecb_encrypt(const unsigned char* pt, unsigned char* ct, symmetric_key* skey); +int anubis_ecb_decrypt(const unsigned char* ct, unsigned char* pt, symmetric_key* skey); int anubis_test(void); -void anubis_done(symmetric_key *skey); -int anubis_keysize(int *keysize); +void anubis_done(symmetric_key* skey); +int anubis_keysize(int* keysize); extern const struct ltc_cipher_descriptor anubis_desc; #endif #ifdef LTC_KSEED -int kseed_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int kseed_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); -int kseed_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); +int kseed_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int kseed_ecb_encrypt(const unsigned char* pt, unsigned char* ct, symmetric_key* skey); +int kseed_ecb_decrypt(const unsigned char* ct, unsigned char* pt, symmetric_key* skey); int kseed_test(void); -void kseed_done(symmetric_key *skey); -int kseed_keysize(int *keysize); +void kseed_done(symmetric_key* skey); +int kseed_keysize(int* keysize); extern const struct ltc_cipher_descriptor kseed_desc; #endif #ifdef LTC_KASUMI -int kasumi_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int kasumi_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); -int kasumi_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); +int kasumi_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int kasumi_ecb_encrypt(const unsigned char* pt, unsigned char* ct, symmetric_key* skey); +int kasumi_ecb_decrypt(const unsigned char* ct, unsigned char* pt, symmetric_key* skey); int kasumi_test(void); -void kasumi_done(symmetric_key *skey); -int kasumi_keysize(int *keysize); +void kasumi_done(symmetric_key* skey); +int kasumi_keysize(int* keysize); extern const struct ltc_cipher_descriptor kasumi_desc; #endif #ifdef LTC_MULTI2 -int multi2_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); -int multi2_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); -int multi2_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); +int multi2_setup(const unsigned char* key, int keylen, int num_rounds, symmetric_key* skey); +int multi2_ecb_encrypt(const unsigned char* pt, unsigned char* ct, symmetric_key* skey); +int multi2_ecb_decrypt(const unsigned char* ct, unsigned char* pt, symmetric_key* skey); int multi2_test(void); -void multi2_done(symmetric_key *skey); -int multi2_keysize(int *keysize); +void multi2_done(symmetric_key* skey); +int multi2_keysize(int* keysize); extern const struct ltc_cipher_descriptor multi2_desc; #endif #ifdef LTC_ECB_MODE -int ecb_start(int cipher, const unsigned char *key, - int keylen, int num_rounds, symmetric_ECB *ecb); -int ecb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_ECB *ecb); -int ecb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_ECB *ecb); -int ecb_done(symmetric_ECB *ecb); +int ecb_start(int cipher, const unsigned char* key, int keylen, int num_rounds, symmetric_ECB* ecb); +int ecb_encrypt(const unsigned char* pt, unsigned char* ct, unsigned long len, symmetric_ECB* ecb); +int ecb_decrypt(const unsigned char* ct, unsigned char* pt, unsigned long len, symmetric_ECB* ecb); +int ecb_done(symmetric_ECB* ecb); #endif #ifdef LTC_CFB_MODE -int cfb_start(int cipher, const unsigned char *IV, const unsigned char *key, - int keylen, int num_rounds, symmetric_CFB *cfb); -int cfb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_CFB *cfb); -int cfb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CFB *cfb); -int cfb_getiv(unsigned char *IV, unsigned long *len, symmetric_CFB *cfb); -int cfb_setiv(const unsigned char *IV, unsigned long len, symmetric_CFB *cfb); -int cfb_done(symmetric_CFB *cfb); +int cfb_start(int cipher, + const unsigned char* IV, + const unsigned char* key, + int keylen, + int num_rounds, + symmetric_CFB* cfb); +int cfb_encrypt(const unsigned char* pt, unsigned char* ct, unsigned long len, symmetric_CFB* cfb); +int cfb_decrypt(const unsigned char* ct, unsigned char* pt, unsigned long len, symmetric_CFB* cfb); +int cfb_getiv(unsigned char* IV, unsigned long* len, symmetric_CFB* cfb); +int cfb_setiv(const unsigned char* IV, unsigned long len, symmetric_CFB* cfb); +int cfb_done(symmetric_CFB* cfb); #endif #ifdef LTC_OFB_MODE -int ofb_start(int cipher, const unsigned char *IV, const unsigned char *key, - int keylen, int num_rounds, symmetric_OFB *ofb); -int ofb_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_OFB *ofb); -int ofb_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_OFB *ofb); -int ofb_getiv(unsigned char *IV, unsigned long *len, symmetric_OFB *ofb); -int ofb_setiv(const unsigned char *IV, unsigned long len, symmetric_OFB *ofb); -int ofb_done(symmetric_OFB *ofb); +int ofb_start(int cipher, + const unsigned char* IV, + const unsigned char* key, + int keylen, + int num_rounds, + symmetric_OFB* ofb); +int ofb_encrypt(const unsigned char* pt, unsigned char* ct, unsigned long len, symmetric_OFB* ofb); +int ofb_decrypt(const unsigned char* ct, unsigned char* pt, unsigned long len, symmetric_OFB* ofb); +int ofb_getiv(unsigned char* IV, unsigned long* len, symmetric_OFB* ofb); +int ofb_setiv(const unsigned char* IV, unsigned long len, symmetric_OFB* ofb); +int ofb_done(symmetric_OFB* ofb); #endif #ifdef LTC_CBC_MODE -int cbc_start(int cipher, const unsigned char *IV, const unsigned char *key, - int keylen, int num_rounds, symmetric_CBC *cbc); -int cbc_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_CBC *cbc); -int cbc_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CBC *cbc); -int cbc_getiv(unsigned char *IV, unsigned long *len, symmetric_CBC *cbc); -int cbc_setiv(const unsigned char *IV, unsigned long len, symmetric_CBC *cbc); -int cbc_done(symmetric_CBC *cbc); +int cbc_start(int cipher, + const unsigned char* IV, + const unsigned char* key, + int keylen, + int num_rounds, + symmetric_CBC* cbc); +int cbc_encrypt(const unsigned char* pt, unsigned char* ct, unsigned long len, symmetric_CBC* cbc); +int cbc_decrypt(const unsigned char* ct, unsigned char* pt, unsigned long len, symmetric_CBC* cbc); +int cbc_getiv(unsigned char* IV, unsigned long* len, symmetric_CBC* cbc); +int cbc_setiv(const unsigned char* IV, unsigned long len, symmetric_CBC* cbc); +int cbc_done(symmetric_CBC* cbc); #endif #ifdef LTC_CTR_MODE -#define CTR_COUNTER_LITTLE_ENDIAN 0x0000 -#define CTR_COUNTER_BIG_ENDIAN 0x1000 -#define LTC_CTR_RFC3686 0x2000 - -int ctr_start( int cipher, - const unsigned char *IV, - const unsigned char *key, int keylen, - int num_rounds, int ctr_mode, - symmetric_CTR *ctr); -int ctr_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_CTR *ctr); -int ctr_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_CTR *ctr); -int ctr_getiv(unsigned char *IV, unsigned long *len, symmetric_CTR *ctr); -int ctr_setiv(const unsigned char *IV, unsigned long len, symmetric_CTR *ctr); -int ctr_done(symmetric_CTR *ctr); +#define CTR_COUNTER_LITTLE_ENDIAN 0x0000 +#define CTR_COUNTER_BIG_ENDIAN 0x1000 +#define LTC_CTR_RFC3686 0x2000 + +int ctr_start(int cipher, + const unsigned char* IV, + const unsigned char* key, + int keylen, + int num_rounds, + int ctr_mode, + symmetric_CTR* ctr); +int ctr_encrypt(const unsigned char* pt, unsigned char* ct, unsigned long len, symmetric_CTR* ctr); +int ctr_decrypt(const unsigned char* ct, unsigned char* pt, unsigned long len, symmetric_CTR* ctr); +int ctr_getiv(unsigned char* IV, unsigned long* len, symmetric_CTR* ctr); +int ctr_setiv(const unsigned char* IV, unsigned long len, symmetric_CTR* ctr); +int ctr_done(symmetric_CTR* ctr); int ctr_test(void); #endif @@ -833,70 +891,76 @@ int ctr_test(void); #define LRW_ENCRYPT 0 #define LRW_DECRYPT 1 -int lrw_start( int cipher, - const unsigned char *IV, - const unsigned char *key, int keylen, - const unsigned char *tweak, - int num_rounds, - symmetric_LRW *lrw); -int lrw_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_LRW *lrw); -int lrw_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_LRW *lrw); -int lrw_getiv(unsigned char *IV, unsigned long *len, symmetric_LRW *lrw); -int lrw_setiv(const unsigned char *IV, unsigned long len, symmetric_LRW *lrw); -int lrw_done(symmetric_LRW *lrw); +int lrw_start(int cipher, + const unsigned char* IV, + const unsigned char* key, + int keylen, + const unsigned char* tweak, + int num_rounds, + symmetric_LRW* lrw); +int lrw_encrypt(const unsigned char* pt, unsigned char* ct, unsigned long len, symmetric_LRW* lrw); +int lrw_decrypt(const unsigned char* ct, unsigned char* pt, unsigned long len, symmetric_LRW* lrw); +int lrw_getiv(unsigned char* IV, unsigned long* len, symmetric_LRW* lrw); +int lrw_setiv(const unsigned char* IV, unsigned long len, symmetric_LRW* lrw); +int lrw_done(symmetric_LRW* lrw); int lrw_test(void); /* don't call */ -int lrw_process(const unsigned char *pt, unsigned char *ct, unsigned long len, int mode, symmetric_LRW *lrw); +int lrw_process( + const unsigned char* pt, unsigned char* ct, unsigned long len, int mode, symmetric_LRW* lrw); #endif #ifdef LTC_F8_MODE -int f8_start( int cipher, const unsigned char *IV, - const unsigned char *key, int keylen, - const unsigned char *salt_key, int skeylen, - int num_rounds, symmetric_F8 *f8); -int f8_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_F8 *f8); -int f8_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_F8 *f8); -int f8_getiv(unsigned char *IV, unsigned long *len, symmetric_F8 *f8); -int f8_setiv(const unsigned char *IV, unsigned long len, symmetric_F8 *f8); -int f8_done(symmetric_F8 *f8); +int f8_start(int cipher, + const unsigned char* IV, + const unsigned char* key, + int keylen, + const unsigned char* salt_key, + int skeylen, + int num_rounds, + symmetric_F8* f8); +int f8_encrypt(const unsigned char* pt, unsigned char* ct, unsigned long len, symmetric_F8* f8); +int f8_decrypt(const unsigned char* ct, unsigned char* pt, unsigned long len, symmetric_F8* f8); +int f8_getiv(unsigned char* IV, unsigned long* len, symmetric_F8* f8); +int f8_setiv(const unsigned char* IV, unsigned long len, symmetric_F8* f8); +int f8_done(symmetric_F8* f8); int f8_test_mode(void); #endif #ifdef LTC_XTS_MODE typedef struct { - symmetric_key key1, key2; - int cipher; + symmetric_key key1, key2; + int cipher; } symmetric_xts; -int xts_start( int cipher, - const unsigned char *key1, - const unsigned char *key2, - unsigned long keylen, - int num_rounds, - symmetric_xts *xts); - -int xts_encrypt( - const unsigned char *pt, unsigned long ptlen, - unsigned char *ct, - const unsigned char *tweak, - symmetric_xts *xts); -int xts_decrypt( - const unsigned char *ct, unsigned long ptlen, - unsigned char *pt, - const unsigned char *tweak, - symmetric_xts *xts); - -void xts_done(symmetric_xts *xts); -int xts_test(void); -void xts_mult_x(unsigned char *I); -#endif - -int find_cipher(const char *name); -int find_cipher_any(const char *name, int blocklen, int keylen); +int xts_start(int cipher, + const unsigned char* key1, + const unsigned char* key2, + unsigned long keylen, + int num_rounds, + symmetric_xts* xts); + +int xts_encrypt(const unsigned char* pt, + unsigned long ptlen, + unsigned char* ct, + const unsigned char* tweak, + symmetric_xts* xts); +int xts_decrypt(const unsigned char* ct, + unsigned long ptlen, + unsigned char* pt, + const unsigned char* tweak, + symmetric_xts* xts); + +void xts_done(symmetric_xts* xts); +int xts_test(void); +void xts_mult_x(unsigned char* I); +#endif + +int find_cipher(const char* name); +int find_cipher_any(const char* name, int blocklen, int keylen); int find_cipher_id(unsigned char ID); -int register_cipher(const struct ltc_cipher_descriptor *cipher); -int unregister_cipher(const struct ltc_cipher_descriptor *cipher); +int register_cipher(const struct ltc_cipher_descriptor* cipher); +int unregister_cipher(const struct ltc_cipher_descriptor* cipher); int cipher_is_valid(int idx); LTC_MUTEX_PROTO(ltc_cipher_mutex) |