diff options
Diffstat (limited to 'src/libtom/tomcrypt_cipher.h')
| -rw-r--r-- | src/libtom/tomcrypt_cipher.h | 188 |
1 files changed, 120 insertions, 68 deletions
diff --git a/src/libtom/tomcrypt_cipher.h b/src/libtom/tomcrypt_cipher.h index e0cf94d..a4b3dcf 100644 --- a/src/libtom/tomcrypt_cipher.h +++ b/src/libtom/tomcrypt_cipher.h @@ -3,41 +3,41 @@ * We put each of the ciphers scheduled keys in their own structs then we put all of * the key formats in one union. This makes the function prototypes easier to use. */ -#ifdef BLOWFISH +#ifdef LTC_BLOWFISH struct blowfish_key { ulong32 S[4][256]; ulong32 K[18]; }; #endif -#ifdef RC5 +#ifdef LTC_RC5 struct rc5_key { int rounds; ulong32 K[50]; }; #endif -#ifdef RC6 +#ifdef LTC_RC6 struct rc6_key { ulong32 K[44]; }; #endif -#ifdef SAFERP +#ifdef LTC_SAFERP struct saferp_key { unsigned char K[33][16]; long rounds; }; #endif -#ifdef RIJNDAEL +#ifdef LTC_RIJNDAEL struct rijndael_key { ulong32 eK[60], dK[60]; int Nr; }; #endif -#ifdef KSEED +#ifdef LTC_KSEED struct kseed_key { ulong32 K[32], dK[32]; }; @@ -51,14 +51,14 @@ struct kasumi_key { }; #endif -#ifdef XTEA +#ifdef LTC_XTEA struct xtea_key { unsigned long A[32], B[32]; }; #endif -#ifdef TWOFISH -#ifndef TWOFISH_SMALL +#ifdef LTC_TWOFISH +#ifndef LTC_TWOFISH_SMALL struct twofish_key { ulong32 S[4][256], K[40]; }; @@ -70,24 +70,24 @@ struct xtea_key { #endif #endif -#ifdef SAFER -#define SAFER_K64_DEFAULT_NOF_ROUNDS 6 -#define SAFER_K128_DEFAULT_NOF_ROUNDS 10 -#define SAFER_SK64_DEFAULT_NOF_ROUNDS 8 -#define SAFER_SK128_DEFAULT_NOF_ROUNDS 10 -#define SAFER_MAX_NOF_ROUNDS 13 -#define SAFER_BLOCK_LEN 8 -#define SAFER_KEY_LEN (1 + SAFER_BLOCK_LEN * (1 + 2 * SAFER_MAX_NOF_ROUNDS)) -typedef unsigned char safer_block_t[SAFER_BLOCK_LEN]; -typedef unsigned char safer_key_t[SAFER_KEY_LEN]; +#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)) +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; }; #endif -#ifdef RC2 +#ifdef LTC_RC2 struct rc2_key { unsigned xkey[64]; }; #endif -#ifdef DES +#ifdef LTC_DES struct des_key { ulong32 ek[32], dk[32]; }; @@ -97,32 +97,32 @@ struct des3_key { }; #endif -#ifdef CAST5 +#ifdef LTC_CAST5 struct cast5_key { ulong32 K[32], keylen; }; #endif -#ifdef NOEKEON +#ifdef LTC_NOEKEON struct noekeon_key { ulong32 K[4], dK[4]; }; #endif -#ifdef SKIPJACK +#ifdef LTC_SKIPJACK struct skipjack_key { unsigned char key[10]; }; #endif -#ifdef KHAZAD +#ifdef LTC_KHAZAD struct khazad_key { ulong64 roundKeyEnc[8 + 1]; ulong64 roundKeyDec[8 + 1]; }; #endif -#ifdef ANUBIS +#ifdef LTC_ANUBIS struct anubis_key { int keyBits; int R; @@ -131,59 +131,69 @@ struct anubis_key { }; #endif +#ifdef LTC_MULTI2 +struct multi2_key { + int N; + ulong32 uk[8]; +}; +#endif + typedef union Symmetric_key { -#ifdef DES +#ifdef LTC_DES struct des_key des; struct des3_key des3; #endif -#ifdef RC2 +#ifdef LTC_RC2 struct rc2_key rc2; #endif -#ifdef SAFER +#ifdef LTC_SAFER struct safer_key safer; #endif -#ifdef TWOFISH +#ifdef LTC_TWOFISH struct twofish_key twofish; #endif -#ifdef BLOWFISH +#ifdef LTC_BLOWFISH struct blowfish_key blowfish; #endif -#ifdef RC5 +#ifdef LTC_RC5 struct rc5_key rc5; #endif -#ifdef RC6 +#ifdef LTC_RC6 struct rc6_key rc6; #endif -#ifdef SAFERP +#ifdef LTC_SAFERP struct saferp_key saferp; #endif -#ifdef RIJNDAEL +#ifdef LTC_RIJNDAEL struct rijndael_key rijndael; #endif -#ifdef XTEA +#ifdef LTC_XTEA struct xtea_key xtea; #endif -#ifdef CAST5 +#ifdef LTC_CAST5 struct cast5_key cast5; #endif -#ifdef NOEKEON +#ifdef LTC_NOEKEON struct noekeon_key noekeon; #endif -#ifdef SKIPJACK +#ifdef LTC_SKIPJACK struct skipjack_key skipjack; #endif -#ifdef KHAZAD +#ifdef LTC_KHAZAD struct khazad_key khazad; #endif -#ifdef ANUBIS +#ifdef LTC_ANUBIS struct anubis_key anubis; #endif -#ifdef KSEED +#ifdef LTC_KSEED struct kseed_key kseed; #endif #ifdef LTC_KASUMI struct kasumi_key kasumi; #endif +#ifdef LTC_MULTI2 + struct multi2_key multi2; +#endif void *data; } symmetric_key; @@ -257,8 +267,11 @@ typedef struct { blocklen, /** The padding offset */ padlen, - /** The mode (endianess) of the CTR, 0==little, 1==big */ - mode; + /** 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 */ @@ -315,7 +328,7 @@ typedef struct { /** cipher descriptor table, last entry has "name == NULL" to mark the end of table */ -extern struct ltc_cipher_descriptor { +static struct ltc_cipher_descriptor { /** name of cipher */ char *name; /** internal ID */ @@ -488,7 +501,7 @@ extern struct ltc_cipher_descriptor { unsigned char *tag, unsigned long *taglen, int direction); - /** Accelerated one shot OMAC + /** Accelerated one shot LTC_OMAC @param key The secret key @param keylen The key length (octets) @param in The message @@ -532,7 +545,7 @@ extern struct ltc_cipher_descriptor { unsigned char *out, unsigned long *outlen); } cipher_descriptor[]; -#ifdef BLOWFISH +#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); @@ -542,7 +555,7 @@ int blowfish_keysize(int *keysize); extern const struct ltc_cipher_descriptor blowfish_desc; #endif -#ifdef RC5 +#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); @@ -552,7 +565,7 @@ int rc5_keysize(int *keysize); extern const struct ltc_cipher_descriptor rc5_desc; #endif -#ifdef RC6 +#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); @@ -562,7 +575,7 @@ int rc6_keysize(int *keysize); extern const struct ltc_cipher_descriptor rc6_desc; #endif -#ifdef RC2 +#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); @@ -572,7 +585,7 @@ int rc2_keysize(int *keysize); extern const struct ltc_cipher_descriptor rc2_desc; #endif -#ifdef SAFERP +#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); @@ -582,7 +595,7 @@ int saferp_keysize(int *keysize); extern const struct ltc_cipher_descriptor saferp_desc; #endif -#ifdef SAFER +#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); @@ -598,7 +611,7 @@ 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 RIJNDAEL +#ifdef LTC_RIJNDAEL /* make aes an alias */ #define aes_setup rijndael_setup @@ -626,7 +639,7 @@ extern const struct ltc_cipher_descriptor rijndael_desc, aes_desc; extern const struct ltc_cipher_descriptor rijndael_enc_desc, aes_enc_desc; #endif -#ifdef XTEA +#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); @@ -636,7 +649,7 @@ int xtea_keysize(int *keysize); extern const struct ltc_cipher_descriptor xtea_desc; #endif -#ifdef TWOFISH +#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); @@ -646,7 +659,7 @@ int twofish_keysize(int *keysize); extern const struct ltc_cipher_descriptor twofish_desc; #endif -#ifdef DES +#ifdef LTC_DES static int des_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey); static int des_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey); static int des_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey); @@ -659,10 +672,10 @@ static int des3_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetri static int des3_test(void); static void des3_done(symmetric_key *skey); static int des3_keysize(int *keysize); -/* extern const struct ltc_cipher_descriptor des_desc, des3_desc; */ +static const struct ltc_cipher_descriptor des_desc, des3_desc; #endif -#ifdef CAST5 +#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); @@ -672,7 +685,7 @@ int cast5_keysize(int *keysize); extern const struct ltc_cipher_descriptor cast5_desc; #endif -#ifdef NOEKEON +#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); @@ -682,7 +695,7 @@ int noekeon_keysize(int *keysize); extern const struct ltc_cipher_descriptor noekeon_desc; #endif -#ifdef SKIPJACK +#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); @@ -692,7 +705,7 @@ int skipjack_keysize(int *keysize); extern const struct ltc_cipher_descriptor skipjack_desc; #endif -#ifdef KHAZAD +#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); @@ -702,7 +715,7 @@ int khazad_keysize(int *keysize); extern const struct ltc_cipher_descriptor khazad_desc; #endif -#ifdef ANUBIS +#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); @@ -712,7 +725,7 @@ int anubis_keysize(int *keysize); extern const struct ltc_cipher_descriptor anubis_desc; #endif -#ifdef KSEED +#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); @@ -732,6 +745,17 @@ 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_test(void); +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); @@ -772,9 +796,9 @@ int cbc_done(symmetric_CBC *cbc); #ifdef LTC_CTR_MODE -#define CTR_COUNTER_LITTLE_ENDIAN 0 -#define CTR_COUNTER_BIG_ENDIAN 1 -#define LTC_CTR_RFC3686 2 +#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, @@ -824,6 +848,34 @@ 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_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); @@ -835,5 +887,5 @@ int cipher_is_valid(int idx); LTC_MUTEX_PROTO(ltc_cipher_mutex) /* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_cipher.h,v $ */ -/* $Revision: 1.46 $ */ -/* $Date: 2006/11/13 23:09:38 $ */ +/* $Revision: 1.54 $ */ +/* $Date: 2007/05/12 14:37:41 $ */ |