diff options
author | Matt Johnston <matt@ucc.asn.au> | 2007-01-11 02:41:05 +0000 |
---|---|---|
committer | Matt Johnston <matt@ucc.asn.au> | 2007-01-11 02:41:05 +0000 |
commit | a938f4cfe140e8561d9dbf108b896492a662a893 (patch) | |
tree | f2a74322f959ff6a505ba5e87274ebe3d17d5e74 /libtomcrypt/src/mac | |
parent | 692d737a821c5e401c227d936b8f0d76b955650f (diff) | |
parent | 28ad393b008b34bc3cdbaa192440b8cc615329f0 (diff) |
propagate from branch 'au.asn.ucc.matt.ltc.dropbear' (head 2af22fb4e878750b88f80f90d439b316d229796f)
to branch 'au.asn.ucc.matt.dropbear' (head 02c413252c90e9de8e03d91e9939dde3029f5c0a)
--HG--
extra : convert_revision : 52ccb0ad0587a62bc64aecb939adbb76546aac16
Diffstat (limited to 'libtomcrypt/src/mac')
40 files changed, 1316 insertions, 121 deletions
diff --git a/libtomcrypt/src/mac/f9/f9_done.c b/libtomcrypt/src/mac/f9/f9_done.c new file mode 100644 index 0000000..1794ecc --- /dev/null +++ b/libtomcrypt/src/mac/f9/f9_done.c @@ -0,0 +1,77 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + */ +#include "tomcrypt.h" + +/** + @file f9_done.c + f9 Support, terminate the state +*/ + +#ifdef LTC_F9_MODE + +/** Terminate the f9-MAC state + @param f9 f9 state to terminate + @param out [out] Destination for the MAC tag + @param outlen [in/out] Destination size and final tag size + Return CRYPT_OK on success +*/ +int f9_done(f9_state *f9, unsigned char *out, unsigned long *outlen) +{ + int err, x; + LTC_ARGCHK(f9 != NULL); + LTC_ARGCHK(out != NULL); + + /* check structure */ + if ((err = cipher_is_valid(f9->cipher)) != CRYPT_OK) { + return err; + } + + if ((f9->blocksize > cipher_descriptor[f9->cipher].block_length) || (f9->blocksize < 0) || + (f9->buflen > f9->blocksize) || (f9->buflen < 0)) { + return CRYPT_INVALID_ARG; + } + + if (f9->buflen != 0) { + /* encrypt */ + cipher_descriptor[f9->cipher].ecb_encrypt(f9->IV, f9->IV, &f9->key); + f9->buflen = 0; + for (x = 0; x < f9->blocksize; x++) { + f9->ACC[x] ^= f9->IV[x]; + } + } + + /* schedule modified key */ + if ((err = cipher_descriptor[f9->cipher].setup(f9->akey, f9->keylen, 0, &f9->key)) != CRYPT_OK) { + return err; + } + + /* encrypt the ACC */ + cipher_descriptor[f9->cipher].ecb_encrypt(f9->ACC, f9->ACC, &f9->key); + cipher_descriptor[f9->cipher].done(&f9->key); + + /* extract tag */ + for (x = 0; x < f9->blocksize && (unsigned long)x < *outlen; x++) { + out[x] = f9->ACC[x]; + } + *outlen = x; + +#ifdef LTC_CLEAN_STACK + zeromem(f9, sizeof(*f9)); +#endif + return CRYPT_OK; +} + +#endif + +/* $Source: /cvs/libtom/libtomcrypt/src/mac/f9/f9_done.c,v $ */ +/* $Revision: 1.5 $ */ +/* $Date: 2006/11/09 01:53:32 $ */ + diff --git a/libtomcrypt/src/mac/f9/f9_file.c b/libtomcrypt/src/mac/f9/f9_file.c new file mode 100644 index 0000000..4c53e76 --- /dev/null +++ b/libtomcrypt/src/mac/f9/f9_file.c @@ -0,0 +1,83 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + */ +#include "tomcrypt.h" + +/** + @file f9_file.c + f9 support, process a file, Tom St Denis +*/ + +#ifdef LTC_F9_MODE + +/** + f9 a file + @param cipher The index of the cipher desired + @param key The secret key + @param keylen The length of the secret key (octets) + @param filename The name of the file you wish to f9 + @param out [out] Where the authentication tag is to be stored + @param outlen [in/out] The max size and resulting size of the authentication tag + @return CRYPT_OK if successful, CRYPT_NOP if file support has been disabled +*/ +int f9_file(int cipher, + const unsigned char *key, unsigned long keylen, + const char *filename, + unsigned char *out, unsigned long *outlen) +{ +#ifdef LTC_NO_FILE + return CRYPT_NOP; +#else + int err, x; + f9_state f9; + FILE *in; + unsigned char buf[512]; + + LTC_ARGCHK(key != NULL); + LTC_ARGCHK(filename != NULL); + LTC_ARGCHK(out != NULL); + LTC_ARGCHK(outlen != NULL); + + in = fopen(filename, "rb"); + if (in == NULL) { + return CRYPT_FILE_NOTFOUND; + } + + if ((err = f9_init(&f9, cipher, key, keylen)) != CRYPT_OK) { + fclose(in); + return err; + } + + do { + x = fread(buf, 1, sizeof(buf), in); + if ((err = f9_process(&f9, buf, x)) != CRYPT_OK) { + fclose(in); + return err; + } + } while (x == sizeof(buf)); + fclose(in); + + if ((err = f9_done(&f9, out, outlen)) != CRYPT_OK) { + return err; + } + +#ifdef LTC_CLEAN_STACK + zeromem(buf, sizeof(buf)); +#endif + + return CRYPT_OK; +#endif +} + +#endif + +/* $Source: /cvs/libtom/libtomcrypt/src/mac/f9/f9_file.c,v $ */ +/* $Revision: 1.4 $ */ +/* $Date: 2006/11/21 00:18:23 $ */ diff --git a/libtomcrypt/src/mac/f9/f9_init.c b/libtomcrypt/src/mac/f9/f9_init.c new file mode 100644 index 0000000..aefd8a7 --- /dev/null +++ b/libtomcrypt/src/mac/f9/f9_init.c @@ -0,0 +1,70 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + */ +#include "tomcrypt.h" + +/** + @file f9_init.c + F9 Support, start an F9 state +*/ + +#ifdef LTC_F9_MODE + +/** Initialize F9-MAC state + @param f9 [out] f9 state to initialize + @param cipher Index of cipher to use + @param key [in] Secret key + @param keylen Length of secret key in octets + Return CRYPT_OK on success +*/ +int f9_init(f9_state *f9, int cipher, const unsigned char *key, unsigned long keylen) +{ + int x, err; + + LTC_ARGCHK(f9 != NULL); + LTC_ARGCHK(key != NULL); + + /* schedule the key */ + if ((err = cipher_is_valid(cipher)) != CRYPT_OK) { + return err; + } + +#ifdef LTC_FAST + if (cipher_descriptor[cipher].block_length % sizeof(LTC_FAST_TYPE)) { + return CRYPT_INVALID_ARG; + } +#endif + + if ((err = cipher_descriptor[cipher].setup(key, keylen, 0, &f9->key)) != CRYPT_OK) { + goto done; + } + + /* make the second key */ + for (x = 0; (unsigned)x < keylen; x++) { + f9->akey[x] = key[x] ^ 0xAA; + } + + /* setup struct */ + zeromem(f9->IV, cipher_descriptor[cipher].block_length); + zeromem(f9->ACC, cipher_descriptor[cipher].block_length); + f9->blocksize = cipher_descriptor[cipher].block_length; + f9->cipher = cipher; + f9->buflen = 0; + f9->keylen = keylen; +done: + return err; +} + +#endif + +/* $Source: /cvs/libtom/libtomcrypt/src/mac/f9/f9_init.c,v $ */ +/* $Revision: 1.4 $ */ +/* $Date: 2006/11/08 22:54:18 $ */ + diff --git a/libtomcrypt/src/mac/f9/f9_memory.c b/libtomcrypt/src/mac/f9/f9_memory.c new file mode 100644 index 0000000..2b3901a --- /dev/null +++ b/libtomcrypt/src/mac/f9/f9_memory.c @@ -0,0 +1,71 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + */ +#include "tomcrypt.h" + +/** + @file f9_process.c + f9 Support, Process a block through F9-MAC +*/ + +#ifdef LTC_F9_MODE + +/** f9-MAC a block of memory + @param cipher Index of cipher to use + @param key [in] Secret key + @param keylen Length of key in octets + @param in [in] Message to MAC + @param inlen Length of input in octets + @param out [out] Destination for the MAC tag + @param outlen [in/out] Output size and final tag size + Return CRYPT_OK on success. +*/ +int f9_memory(int cipher, + const unsigned char *key, unsigned long keylen, + const unsigned char *in, unsigned long inlen, + unsigned char *out, unsigned long *outlen) +{ + f9_state *f9; + int err; + + /* is the cipher valid? */ + if ((err = cipher_is_valid(cipher)) != CRYPT_OK) { + return err; + } + + /* Use accelerator if found */ + if (cipher_descriptor[cipher].f9_memory != NULL) { + return cipher_descriptor[cipher].f9_memory(key, keylen, in, inlen, out, outlen); + } + + f9 = XCALLOC(1, sizeof(*f9)); + if (f9 == NULL) { + return CRYPT_MEM; + } + + if ((err = f9_init(f9, cipher, key, keylen)) != CRYPT_OK) { + goto done; + } + + if ((err = f9_process(f9, in, inlen)) != CRYPT_OK) { + goto done; + } + + err = f9_done(f9, out, outlen); +done: + XFREE(f9); + return err; +} + +#endif + +/* $Source: /cvs/libtom/libtomcrypt/src/mac/f9/f9_memory.c,v $ */ +/* $Revision: 1.4 $ */ +/* $Date: 2006/11/21 23:02:42 $ */ diff --git a/libtomcrypt/src/mac/f9/f9_memory_multi.c b/libtomcrypt/src/mac/f9/f9_memory_multi.c new file mode 100644 index 0000000..5b315f5 --- /dev/null +++ b/libtomcrypt/src/mac/f9/f9_memory_multi.c @@ -0,0 +1,90 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + */ +#include "tomcrypt.h" +#include <stdarg.h> + +/** + @file f9_memory_multi.c + f9 support, process multiple blocks of memory, Tom St Denis +*/ + +#ifdef LTC_F9_MODE + +/** + f9 multiple blocks of memory + @param cipher The index of the desired cipher + @param key The secret key + @param keylen The length of the secret key (octets) + @param out [out] The destination of the authentication tag + @param outlen [in/out] The max size and resulting size of the authentication tag (octets) + @param in The data to send through f9 + @param inlen The length of the data to send through f9 (octets) + @param ... tuples of (data,len) pairs to f9, terminated with a (NULL,x) (x=don't care) + @return CRYPT_OK if successful +*/ +int f9_memory_multi(int cipher, + const unsigned char *key, unsigned long keylen, + unsigned char *out, unsigned long *outlen, + const unsigned char *in, unsigned long inlen, ...) +{ + int err; + f9_state *f9; + va_list args; + const unsigned char *curptr; + unsigned long curlen; + + LTC_ARGCHK(key != NULL); + LTC_ARGCHK(in != NULL); + LTC_ARGCHK(out != NULL); + LTC_ARGCHK(outlen != NULL); + + /* allocate ram for f9 state */ + f9 = XMALLOC(sizeof(f9_state)); + if (f9 == NULL) { + return CRYPT_MEM; + } + + /* f9 process the message */ + if ((err = f9_init(f9, cipher, key, keylen)) != CRYPT_OK) { + goto LBL_ERR; + } + va_start(args, inlen); + curptr = in; + curlen = inlen; + for (;;) { + /* process buf */ + if ((err = f9_process(f9, curptr, curlen)) != CRYPT_OK) { + goto LBL_ERR; + } + /* step to next */ + curptr = va_arg(args, const unsigned char*); + if (curptr == NULL) { + break; + } + curlen = va_arg(args, unsigned long); + } + if ((err = f9_done(f9, out, outlen)) != CRYPT_OK) { + goto LBL_ERR; + } +LBL_ERR: +#ifdef LTC_CLEAN_STACK + zeromem(f9, sizeof(f9_state)); +#endif + XFREE(f9); + va_end(args); + return err; +} + +#endif + +/* $Source: /cvs/libtom/libtomcrypt/src/mac/f9/f9_memory_multi.c,v $ */ +/* $Revision: 1.2 $ */ +/* $Date: 2006/11/08 21:50:13 $ */ diff --git a/libtomcrypt/src/mac/f9/f9_process.c b/libtomcrypt/src/mac/f9/f9_process.c new file mode 100644 index 0000000..e8bd88b --- /dev/null +++ b/libtomcrypt/src/mac/f9/f9_process.c @@ -0,0 +1,78 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + */ +#include "tomcrypt.h" + +/** + @file f9_process.c + f9 Support, process blocks with f9 +*/ + +#ifdef LTC_F9_MODE + +/** Process data through f9-MAC + @param f9 The f9-MAC state + @param in Input data to process + @param inlen Length of input in octets + Return CRYPT_OK on success +*/ +int f9_process(f9_state *f9, const unsigned char *in, unsigned long inlen) +{ + int err, x; + + LTC_ARGCHK(f9 != NULL); + LTC_ARGCHK(in != NULL); + + /* check structure */ + if ((err = cipher_is_valid(f9->cipher)) != CRYPT_OK) { + return err; + } + + if ((f9->blocksize > cipher_descriptor[f9->cipher].block_length) || (f9->blocksize < 0) || + (f9->buflen > f9->blocksize) || (f9->buflen < 0)) { + return CRYPT_INVALID_ARG; + } + +#ifdef LTC_FAST + if (f9->buflen == 0) { + while (inlen >= (unsigned long)f9->blocksize) { + for (x = 0; x < f9->blocksize; x += sizeof(LTC_FAST_TYPE)) { + *((LTC_FAST_TYPE*)&(f9->IV[x])) ^= *((LTC_FAST_TYPE*)&(in[x])); + } + cipher_descriptor[f9->cipher].ecb_encrypt(f9->IV, f9->IV, &f9->key); + for (x = 0; x < f9->blocksize; x += sizeof(LTC_FAST_TYPE)) { + *((LTC_FAST_TYPE*)&(f9->ACC[x])) ^= *((LTC_FAST_TYPE*)&(f9->IV[x])); + } + in += f9->blocksize; + inlen -= f9->blocksize; + } + } +#endif + + while (inlen) { + if (f9->buflen == f9->blocksize) { + cipher_descriptor[f9->cipher].ecb_encrypt(f9->IV, f9->IV, &f9->key); + for (x = 0; x < f9->blocksize; x++) { + f9->ACC[x] ^= f9->IV[x]; + } + f9->buflen = 0; + } + f9->IV[f9->buflen++] ^= *in++; + --inlen; + } + return CRYPT_OK; +} + +#endif + +/* $Source: /cvs/libtom/libtomcrypt/src/mac/f9/f9_process.c,v $ */ +/* $Revision: 1.3 $ */ +/* $Date: 2006/12/16 17:41:21 $ */ + diff --git a/libtomcrypt/src/mac/f9/f9_test.c b/libtomcrypt/src/mac/f9/f9_test.c new file mode 100644 index 0000000..4cddfe6 --- /dev/null +++ b/libtomcrypt/src/mac/f9/f9_test.c @@ -0,0 +1,78 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + */ +#include "tomcrypt.h" + +/** + @file f9_test.c + f9 Support, Test F9 mode +*/ + +#ifdef LTC_F9_MODE + +/** Test f9-MAC mode + Return CRYPT_OK on succes +*/ +int f9_test(void) +{ +#ifdef LTC_NO_TEST + return CRYPT_NOP; +#else + static const struct { + int msglen; + unsigned char K[16], M[128], T[4]; + } tests[] = { +{ + 20, + { 0x2B, 0xD6, 0x45, 0x9F, 0x82, 0xC5, 0xB3, 0x00, 0x95, 0x2C, 0x49, 0x10, 0x48, 0x81, 0xFF, 0x48 }, + { 0x38, 0xA6, 0xF0, 0x56, 0xB8, 0xAE, 0xFD, 0xA9, 0x33, 0x32, 0x34, 0x62, 0x63, 0x39, 0x38, 0x61, 0x37, 0x34, 0x79, 0x40 }, + { 0x46, 0xE0, 0x0D, 0x4B } +}, + +{ + 105, + { 0x83, 0xFD, 0x23, 0xA2, 0x44, 0xA7, 0x4C, 0xF3, 0x58, 0xDA, 0x30, 0x19, 0xF1, 0x72, 0x26, 0x35 }, + { 0x36, 0xAF, 0x61, 0x44, 0x4F, 0x30, 0x2A, 0xD2, + 0x35, 0xC6, 0x87, 0x16, 0x63, 0x3C, 0x66, 0xFB, 0x75, 0x0C, 0x26, 0x68, 0x65, 0xD5, 0x3C, 0x11, 0xEA, 0x05, 0xB1, 0xE9, 0xFA, 0x49, 0xC8, 0x39, 0x8D, 0x48, 0xE1, 0xEF, 0xA5, 0x90, 0x9D, 0x39, + 0x47, 0x90, 0x28, 0x37, 0xF5, 0xAE, 0x96, 0xD5, 0xA0, 0x5B, 0xC8, 0xD6, 0x1C, 0xA8, 0xDB, 0xEF, 0x1B, 0x13, 0xA4, 0xB4, 0xAB, 0xFE, 0x4F, 0xB1, 0x00, 0x60, 0x45, 0xB6, 0x74, 0xBB, 0x54, 0x72, + 0x93, 0x04, 0xC3, 0x82, 0xBE, 0x53, 0xA5, 0xAF, 0x05, 0x55, 0x61, 0x76, 0xF6, 0xEA, 0xA2, 0xEF, 0x1D, 0x05, 0xE4, 0xB0, 0x83, 0x18, 0x1E, 0xE6, 0x74, 0xCD, 0xA5, 0xA4, 0x85, 0xF7, 0x4D, 0x7A, + 0x40|0x80 }, + { 0x95, 0xAE, 0x41, 0xBA }, +} +}; + unsigned char T[16]; + unsigned long taglen; + int err, x, idx; + + /* find kasumi */ + if ((idx = find_cipher("kasumi")) == -1) { + return CRYPT_NOP; + } + + for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) { + taglen = 4; + if ((err = f9_memory(idx, tests[x].K, 16, tests[x].M, tests[x].msglen, T, &taglen)) != CRYPT_OK) { + return err; + } + if (taglen != 4 || XMEMCMP(T, tests[x].T, 4)) { + return CRYPT_FAIL_TESTVECTOR; + } + } + + return CRYPT_OK; +#endif +} + +#endif + +/* $Source: /cvs/libtom/libtomcrypt/src/mac/f9/f9_test.c,v $ */ +/* $Revision: 1.8 $ */ +/* $Date: 2006/11/21 23:02:42 $ */ + diff --git a/libtomcrypt/src/mac/hmac/hmac_done.c b/libtomcrypt/src/mac/hmac/hmac_done.c index f64d044..5ba541a 100644 --- a/libtomcrypt/src/mac/hmac/hmac_done.c +++ b/libtomcrypt/src/mac/hmac/hmac_done.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -15,7 +15,7 @@ HMAC support, terminate stream, Tom St Denis/Dobes Vandermeer */ -#ifdef HMAC +#ifdef LTC_HMAC #define HMAC_BLOCKSIZE hash_descriptor[hash].blocksize @@ -105,5 +105,5 @@ LBL_ERR: #endif /* $Source: /cvs/libtom/libtomcrypt/src/mac/hmac/hmac_done.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/05/05 14:35:58 $ */ +/* $Revision: 1.5 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/hmac/hmac_file.c b/libtomcrypt/src/mac/hmac/hmac_file.c index f88d692..b296320 100644 --- a/libtomcrypt/src/mac/hmac/hmac_file.c +++ b/libtomcrypt/src/mac/hmac/hmac_file.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -15,7 +15,7 @@ HMAC support, process a file, Tom St Denis/Dobes Vandermeer */ -#ifdef HMAC +#ifdef LTC_HMAC /** HMAC a file @@ -89,5 +89,5 @@ int hmac_file(int hash, const char *fname, /* $Source: /cvs/libtom/libtomcrypt/src/mac/hmac/hmac_file.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/05/05 14:35:58 $ */ +/* $Revision: 1.5 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/hmac/hmac_init.c b/libtomcrypt/src/mac/hmac/hmac_init.c index e64d47f..2d61a9a 100644 --- a/libtomcrypt/src/mac/hmac/hmac_init.c +++ b/libtomcrypt/src/mac/hmac/hmac_init.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -15,7 +15,7 @@ HMAC support, initialize state, Tom St Denis/Dobes Vandermeer */ -#ifdef HMAC +#ifdef LTC_HMAC #define HMAC_BLOCKSIZE hash_descriptor[hash].blocksize @@ -108,5 +108,5 @@ done: #endif /* $Source: /cvs/libtom/libtomcrypt/src/mac/hmac/hmac_init.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/05/05 14:35:58 $ */ +/* $Revision: 1.5 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/hmac/hmac_memory.c b/libtomcrypt/src/mac/hmac/hmac_memory.c index 99959f4..7dc364a 100644 --- a/libtomcrypt/src/mac/hmac/hmac_memory.c +++ b/libtomcrypt/src/mac/hmac/hmac_memory.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -15,7 +15,7 @@ HMAC support, process a block of memory, Tom St Denis/Dobes Vandermeer */ -#ifdef HMAC +#ifdef LTC_HMAC /** HMAC a block of memory to produce the authentication tag @@ -34,13 +34,24 @@ int hmac_memory(int hash, unsigned char *out, unsigned long *outlen) { hmac_state *hmac; - int err; + int err; LTC_ARGCHK(key != NULL); - LTC_ARGCHK(in != NULL); + LTC_ARGCHK(in != NULL); LTC_ARGCHK(out != NULL); LTC_ARGCHK(outlen != NULL); + /* make sure hash descriptor is valid */ + if ((err = hash_is_valid(hash)) != CRYPT_OK) { + return err; + } + + /* is there a descriptor? */ + if (hash_descriptor[hash].hmac_block != NULL) { + return hash_descriptor[hash].hmac_block(key, keylen, in, inlen, out, outlen); + } + + /* nope, so call the hmac functions */ /* allocate ram for hmac state */ hmac = XMALLOC(sizeof(hmac_state)); if (hmac == NULL) { @@ -73,5 +84,5 @@ LBL_ERR: /* $Source: /cvs/libtom/libtomcrypt/src/mac/hmac/hmac_memory.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/05/05 14:35:58 $ */ +/* $Revision: 1.6 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/hmac/hmac_memory_multi.c b/libtomcrypt/src/mac/hmac/hmac_memory_multi.c index b7a6d96..2382502 100644 --- a/libtomcrypt/src/mac/hmac/hmac_memory_multi.c +++ b/libtomcrypt/src/mac/hmac/hmac_memory_multi.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" #include <stdarg.h> @@ -16,7 +16,7 @@ HMAC support, process multiple blocks of memory, Tom St Denis/Dobes Vandermeer */ -#ifdef HMAC +#ifdef LTC_HMAC /** HMAC multiple blocks of memory to produce the authentication tag @@ -88,5 +88,5 @@ LBL_ERR: /* $Source: /cvs/libtom/libtomcrypt/src/mac/hmac/hmac_memory_multi.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/05/05 14:35:58 $ */ +/* $Revision: 1.5 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/hmac/hmac_process.c b/libtomcrypt/src/mac/hmac/hmac_process.c index 2919282..04b5ee2 100644 --- a/libtomcrypt/src/mac/hmac/hmac_process.c +++ b/libtomcrypt/src/mac/hmac/hmac_process.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -15,7 +15,7 @@ HMAC support, process data, Tom St Denis/Dobes Vandermeer */ -#ifdef HMAC +#ifdef LTC_HMAC /** Process data through HMAC @@ -39,5 +39,5 @@ int hmac_process(hmac_state *hmac, const unsigned char *in, unsigned long inlen) /* $Source: /cvs/libtom/libtomcrypt/src/mac/hmac/hmac_process.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/05/05 14:35:58 $ */ +/* $Revision: 1.5 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/hmac/hmac_test.c b/libtomcrypt/src/mac/hmac/hmac_test.c index 87758f5..4a03f87 100644 --- a/libtomcrypt/src/mac/hmac/hmac_test.c +++ b/libtomcrypt/src/mac/hmac/hmac_test.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -15,7 +15,7 @@ HMAC support, self-test, Tom St Denis/Dobes Vandermeer */ -#ifdef HMAC +#ifdef LTC_HMAC #define HMAC_BLOCKSIZE hash_descriptor[hash].blocksize @@ -55,7 +55,7 @@ int hmac_test(void) 3. Test Cases for HMAC-SHA-1 test_case = 1 - key = 0x0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b + key = 0x0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c key_len = 20 data = "Hi Ther 20 digest = 0x4c1a03424b55e07fe7f27be1d58bb9324a9a5a04 @@ -277,7 +277,7 @@ Key First" return err; } - if(memcmp(digest, cases[i].digest, (size_t)hash_descriptor[hash].hashsize) != 0) { + if(XMEMCMP(digest, cases[i].digest, (size_t)hash_descriptor[hash].hashsize) != 0) { failed++; #if 0 unsigned int j; @@ -312,5 +312,5 @@ Key First" /* $Source: /cvs/libtom/libtomcrypt/src/mac/hmac/hmac_test.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/05/05 14:35:58 $ */ +/* $Revision: 1.7 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/omac/omac_done.c b/libtomcrypt/src/mac/omac/omac_done.c index 37292d5..7a0453b 100644 --- a/libtomcrypt/src/mac/omac/omac_done.c +++ b/libtomcrypt/src/mac/omac/omac_done.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -15,7 +15,7 @@ OMAC1 support, terminate a stream, Tom St Denis */ -#ifdef OMAC +#ifdef LTC_OMAC /** Terminate an OMAC stream @@ -61,7 +61,9 @@ int omac_done(omac_state *omac, unsigned char *out, unsigned long *outlen) } /* encrypt it */ - cipher_descriptor[omac->cipher_idx].ecb_encrypt(omac->block, omac->block, &omac->key); + if ((err = cipher_descriptor[omac->cipher_idx].ecb_encrypt(omac->block, omac->block, &omac->key)) != CRYPT_OK) { + return err; + } cipher_descriptor[omac->cipher_idx].done(&omac->key); /* output it */ @@ -80,5 +82,5 @@ int omac_done(omac_state *omac, unsigned char *out, unsigned long *outlen) /* $Source: /cvs/libtom/libtomcrypt/src/mac/omac/omac_done.c,v $ */ -/* $Revision: 1.4 $ */ -/* $Date: 2005/05/05 14:35:58 $ */ +/* $Revision: 1.7 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/omac/omac_file.c b/libtomcrypt/src/mac/omac/omac_file.c index 63784b0..7117ae3 100644 --- a/libtomcrypt/src/mac/omac/omac_file.c +++ b/libtomcrypt/src/mac/omac/omac_file.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -15,7 +15,7 @@ OMAC1 support, process a file, Tom St Denis */ -#ifdef OMAC +#ifdef LTC_OMAC /** OMAC a file @@ -79,5 +79,5 @@ int omac_file(int cipher, #endif /* $Source: /cvs/libtom/libtomcrypt/src/mac/omac/omac_file.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/05/05 14:35:58 $ */ +/* $Revision: 1.5 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/omac/omac_init.c b/libtomcrypt/src/mac/omac/omac_init.c index 8866772..cbf26a2 100644 --- a/libtomcrypt/src/mac/omac/omac_init.c +++ b/libtomcrypt/src/mac/omac/omac_init.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -16,7 +16,7 @@ */ -#ifdef OMAC +#ifdef LTC_OMAC /** Initialize an OMAC state @@ -63,7 +63,9 @@ int omac_init(omac_state *omac, int cipher, const unsigned char *key, unsigned l /* first calc L which is Ek(0) */ zeromem(omac->Lu[0], cipher_descriptor[cipher].block_length); - cipher_descriptor[cipher].ecb_encrypt(omac->Lu[0], omac->Lu[0], &omac->key); + if ((err = cipher_descriptor[cipher].ecb_encrypt(omac->Lu[0], omac->Lu[0], &omac->key)) != CRYPT_OK) { + return err; + } /* now do the mults, whoopy! */ for (x = 0; x < 2; x++) { @@ -95,5 +97,5 @@ int omac_init(omac_state *omac, int cipher, const unsigned char *key, unsigned l #endif /* $Source: /cvs/libtom/libtomcrypt/src/mac/omac/omac_init.c,v $ */ -/* $Revision: 1.5 $ */ -/* $Date: 2005/06/06 10:22:44 $ */ +/* $Revision: 1.10 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/omac/omac_memory.c b/libtomcrypt/src/mac/omac/omac_memory.c index 3b1521c..50b2db0 100644 --- a/libtomcrypt/src/mac/omac/omac_memory.c +++ b/libtomcrypt/src/mac/omac/omac_memory.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -15,7 +15,7 @@ OMAC1 support, process a block of memory, Tom St Denis */ -#ifdef OMAC +#ifdef LTC_OMAC /** OMAC a block of memory @@ -41,6 +41,16 @@ int omac_memory(int cipher, LTC_ARGCHK(out != NULL); LTC_ARGCHK(outlen != NULL); + /* is the cipher valid? */ + if ((err = cipher_is_valid(cipher)) != CRYPT_OK) { + return err; + } + + /* Use accelerator if found */ + if (cipher_descriptor[cipher].omac_memory != NULL) { + return cipher_descriptor[cipher].omac_memory(key, keylen, in, inlen, out, outlen); + } + /* allocate ram for omac state */ omac = XMALLOC(sizeof(omac_state)); if (omac == NULL) { @@ -71,5 +81,5 @@ LBL_ERR: #endif /* $Source: /cvs/libtom/libtomcrypt/src/mac/omac/omac_memory.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/05/05 14:35:58 $ */ +/* $Revision: 1.6 $ */ +/* $Date: 2006/11/08 23:01:06 $ */ diff --git a/libtomcrypt/src/mac/omac/omac_memory_multi.c b/libtomcrypt/src/mac/omac/omac_memory_multi.c index 52f7323..4445ca2 100644 --- a/libtomcrypt/src/mac/omac/omac_memory_multi.c +++ b/libtomcrypt/src/mac/omac/omac_memory_multi.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" #include <stdarg.h> @@ -16,7 +16,7 @@ OMAC1 support, process multiple blocks of memory, Tom St Denis */ -#ifdef OMAC +#ifdef LTC_OMAC /** OMAC multiple blocks of memory @@ -86,5 +86,5 @@ LBL_ERR: #endif /* $Source: /cvs/libtom/libtomcrypt/src/mac/omac/omac_memory_multi.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/05/05 14:35:58 $ */ +/* $Revision: 1.5 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/omac/omac_process.c b/libtomcrypt/src/mac/omac/omac_process.c index ca3ec6b..f4b96f5 100644 --- a/libtomcrypt/src/mac/omac/omac_process.c +++ b/libtomcrypt/src/mac/omac/omac_process.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -16,7 +16,7 @@ */ -#ifdef OMAC +#ifdef LTC_OMAC /** Process data through OMAC @@ -49,7 +49,9 @@ int omac_process(omac_state *omac, const unsigned char *in, unsigned long inlen) *((LTC_FAST_TYPE*)(&omac->prev[y])) ^= *((LTC_FAST_TYPE*)(&in[y])); } in += 16; - cipher_descriptor[omac->cipher_idx].ecb_encrypt(omac->prev, omac->prev, &omac->key); + if ((err = cipher_descriptor[omac->cipher_idx].ecb_encrypt(omac->prev, omac->prev, &omac->key)) != CRYPT_OK) { + return err; + } } inlen -= x; } @@ -61,7 +63,9 @@ int omac_process(omac_state *omac, const unsigned char *in, unsigned long inlen) for (x = 0; x < (unsigned long)omac->blklen; x++) { omac->block[x] ^= omac->prev[x]; } - cipher_descriptor[omac->cipher_idx].ecb_encrypt(omac->block, omac->prev, &omac->key); + if ((err = cipher_descriptor[omac->cipher_idx].ecb_encrypt(omac->block, omac->prev, &omac->key)) != CRYPT_OK) { + return err; + } omac->buflen = 0; } @@ -80,5 +84,5 @@ int omac_process(omac_state *omac, const unsigned char *in, unsigned long inlen) /* $Source: /cvs/libtom/libtomcrypt/src/mac/omac/omac_process.c,v $ */ -/* $Revision: 1.6 $ */ -/* $Date: 2005/05/05 14:35:58 $ */ +/* $Revision: 1.9 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/omac/omac_test.c b/libtomcrypt/src/mac/omac/omac_test.c index 1bc9ead..3230a8c 100644 --- a/libtomcrypt/src/mac/omac/omac_test.c +++ b/libtomcrypt/src/mac/omac/omac_test.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -15,7 +15,7 @@ OMAC1 support, self-test, by Tom St Denis */ -#ifdef OMAC +#ifdef LTC_OMAC /** Test the OMAC setup @@ -90,7 +90,7 @@ int omac_test(void) return err; } - if (memcmp(out, tests[x].tag, 16) != 0) { + if (XMEMCMP(out, tests[x].tag, 16) != 0) { #if 0 int y; printf("\n\nTag: "); @@ -106,5 +106,5 @@ int omac_test(void) #endif /* $Source: /cvs/libtom/libtomcrypt/src/mac/omac/omac_test.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/05/05 14:35:59 $ */ +/* $Revision: 1.6 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/pelican/pelican.c b/libtomcrypt/src/mac/pelican/pelican.c index 85bf9ee..734cd38 100644 --- a/libtomcrypt/src/mac/pelican/pelican.c +++ b/libtomcrypt/src/mac/pelican/pelican.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -18,9 +18,9 @@ #ifdef PELICAN #define ENCRYPT_ONLY +#define PELI_TAB #include "../../ciphers/aes/aes_tab.c" - /** Initialize a Pelican state @param pelmac The Pelican state to initialize @@ -161,5 +161,5 @@ int pelican_done(pelican_state *pelmac, unsigned char *out) #endif /* $Source: /cvs/libtom/libtomcrypt/src/mac/pelican/pelican.c,v $ */ -/* $Revision: 1.16 $ */ -/* $Date: 2005/05/05 14:35:59 $ */ +/* $Revision: 1.18 $ */ +/* $Date: 2006/04/02 13:19:10 $ */ diff --git a/libtomcrypt/src/mac/pelican/pelican_memory.c b/libtomcrypt/src/mac/pelican/pelican_memory.c index 093340d..7dde843 100644 --- a/libtomcrypt/src/mac/pelican/pelican_memory.c +++ b/libtomcrypt/src/mac/pelican/pelican_memory.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -55,5 +55,5 @@ int pelican_memory(const unsigned char *key, unsigned long keylen, #endif /* $Source: /cvs/libtom/libtomcrypt/src/mac/pelican/pelican_memory.c,v $ */ -/* $Revision: 1.5 $ */ -/* $Date: 2005/05/05 14:35:59 $ */ +/* $Revision: 1.6 $ */ +/* $Date: 2006/03/31 14:15:35 $ */ diff --git a/libtomcrypt/src/mac/pelican/pelican_test.c b/libtomcrypt/src/mac/pelican/pelican_test.c index 06ec3f0..3cff8ec 100644 --- a/libtomcrypt/src/mac/pelican/pelican_test.c +++ b/libtomcrypt/src/mac/pelican/pelican_test.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -24,7 +24,7 @@ int pelican_test(void) #else static const struct { unsigned char K[32], MSG[64], T[16]; - int keylen, ptlen; + int keylen, ptlen; } tests[] = { /* K=16, M=0 */ { @@ -99,7 +99,7 @@ int pelican_test(void) return err; } - if (memcmp(out, tests[x].T, 16)) { + if (XMEMCMP(out, tests[x].T, 16)) { #if 0 int y; printf("\nFailed test %d\n", x); @@ -116,5 +116,5 @@ int pelican_test(void) #endif /* $Source: /cvs/libtom/libtomcrypt/src/mac/pelican/pelican_test.c,v $ */ -/* $Revision: 1.9 $ */ -/* $Date: 2005/05/05 14:35:59 $ */ +/* $Revision: 1.12 $ */ +/* $Date: 2006/11/21 00:18:23 $ */ diff --git a/libtomcrypt/src/mac/pmac/pmac_done.c b/libtomcrypt/src/mac/pmac/pmac_done.c index 09c430c..005f94f 100644 --- a/libtomcrypt/src/mac/pmac/pmac_done.c +++ b/libtomcrypt/src/mac/pmac/pmac_done.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -15,7 +15,7 @@ PMAC implementation, terminate a session, by Tom St Denis */ -#ifdef PMAC +#ifdef LTC_PMAC int pmac_done(pmac_state *state, unsigned char *out, unsigned long *outlen) { @@ -49,11 +49,13 @@ int pmac_done(pmac_state *state, unsigned char *out, unsigned long *outlen) } /* encrypt it */ - cipher_descriptor[state->cipher_idx].ecb_encrypt(state->checksum, state->checksum, &state->key); + if ((err = cipher_descriptor[state->cipher_idx].ecb_encrypt(state->checksum, state->checksum, &state->key)) != CRYPT_OK) { + return err; + } cipher_descriptor[state->cipher_idx].done(&state->key); /* store it */ - for (x = 0; x < state->block_len && x <= (int)*outlen; x++) { + for (x = 0; x < state->block_len && x < (int)*outlen; x++) { out[x] = state->checksum[x]; } *outlen = x; @@ -68,5 +70,5 @@ int pmac_done(pmac_state *state, unsigned char *out, unsigned long *outlen) /* $Source: /cvs/libtom/libtomcrypt/src/mac/pmac/pmac_done.c,v $ */ -/* $Revision: 1.4 $ */ -/* $Date: 2005/05/05 14:35:59 $ */ +/* $Revision: 1.8 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/pmac/pmac_file.c b/libtomcrypt/src/mac/pmac/pmac_file.c index 1034c6f..f8809e8 100644 --- a/libtomcrypt/src/mac/pmac/pmac_file.c +++ b/libtomcrypt/src/mac/pmac/pmac_file.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -15,7 +15,7 @@ PMAC implementation, process a file, by Tom St Denis */ -#ifdef PMAC +#ifdef LTC_PMAC /** PMAC a file @@ -80,5 +80,5 @@ int pmac_file(int cipher, #endif /* $Source: /cvs/libtom/libtomcrypt/src/mac/pmac/pmac_file.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/05/05 14:35:59 $ */ +/* $Revision: 1.5 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/pmac/pmac_init.c b/libtomcrypt/src/mac/pmac/pmac_init.c index 5bd94a0..c842160 100644 --- a/libtomcrypt/src/mac/pmac/pmac_init.c +++ b/libtomcrypt/src/mac/pmac/pmac_init.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -15,7 +15,7 @@ PMAC implementation, initialize state, by Tom St Denis */ -#ifdef PMAC +#ifdef LTC_PMAC static const struct { int len; @@ -87,7 +87,9 @@ int pmac_init(pmac_state *pmac, int cipher, const unsigned char *key, unsigned l /* find L = E[0] */ zeromem(L, pmac->block_len); - cipher_descriptor[cipher].ecb_encrypt(L, L, &pmac->key); + if ((err = cipher_descriptor[cipher].ecb_encrypt(L, L, &pmac->key)) != CRYPT_OK) { + goto error; + } /* find Ls[i] = L << i for i == 0..31 */ XMEMCPY(pmac->Ls[0], L, pmac->block_len); @@ -127,18 +129,19 @@ int pmac_init(pmac_state *pmac, int cipher, const unsigned char *key, unsigned l zeromem(pmac->block, sizeof(pmac->block)); zeromem(pmac->Li, sizeof(pmac->Li)); zeromem(pmac->checksum, sizeof(pmac->checksum)); - + err = CRYPT_OK; +error: #ifdef LTC_CLEAN_STACK zeromem(L, pmac->block_len); #endif XFREE(L); - return CRYPT_OK; + return err; } #endif /* $Source: /cvs/libtom/libtomcrypt/src/mac/pmac/pmac_init.c,v $ */ -/* $Revision: 1.4 $ */ -/* $Date: 2005/05/05 14:35:59 $ */ +/* $Revision: 1.7 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/pmac/pmac_memory.c b/libtomcrypt/src/mac/pmac/pmac_memory.c index fcdef99..ca15e63 100644 --- a/libtomcrypt/src/mac/pmac/pmac_memory.c +++ b/libtomcrypt/src/mac/pmac/pmac_memory.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -15,7 +15,7 @@ PMAC implementation, process a block of memory, by Tom St Denis */ -#ifdef PMAC +#ifdef LTC_PMAC /** PMAC a block of memory @@ -70,5 +70,5 @@ LBL_ERR: #endif /* $Source: /cvs/libtom/libtomcrypt/src/mac/pmac/pmac_memory.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/05/05 14:35:59 $ */ +/* $Revision: 1.5 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/pmac/pmac_memory_multi.c b/libtomcrypt/src/mac/pmac/pmac_memory_multi.c index 2cc8572..70e2398 100644 --- a/libtomcrypt/src/mac/pmac/pmac_memory_multi.c +++ b/libtomcrypt/src/mac/pmac/pmac_memory_multi.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" #include <stdarg.h> @@ -16,7 +16,7 @@ PMAC implementation, process multiple blocks of memory, by Tom St Denis */ -#ifdef PMAC +#ifdef LTC_PMAC /** PMAC multiple blocks of memory @@ -85,5 +85,5 @@ LBL_ERR: #endif /* $Source: /cvs/libtom/libtomcrypt/src/mac/pmac/pmac_memory_multi.c,v $ */ -/* $Revision: 1.4 $ */ -/* $Date: 2005/05/05 14:35:59 $ */ +/* $Revision: 1.6 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/pmac/pmac_ntz.c b/libtomcrypt/src/mac/pmac/pmac_ntz.c index 7ec4550..8322563 100644 --- a/libtomcrypt/src/mac/pmac/pmac_ntz.c +++ b/libtomcrypt/src/mac/pmac/pmac_ntz.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -15,7 +15,7 @@ PMAC implementation, internal function, by Tom St Denis */ -#ifdef PMAC +#ifdef LTC_PMAC /** Internal PMAC function @@ -35,5 +35,5 @@ int pmac_ntz(unsigned long x) #endif /* $Source: /cvs/libtom/libtomcrypt/src/mac/pmac/pmac_ntz.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/05/05 14:35:59 $ */ +/* $Revision: 1.5 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/pmac/pmac_process.c b/libtomcrypt/src/mac/pmac/pmac_process.c index 9ebd44e..a191812 100644 --- a/libtomcrypt/src/mac/pmac/pmac_process.c +++ b/libtomcrypt/src/mac/pmac/pmac_process.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -16,7 +16,7 @@ */ -#ifdef PMAC +#ifdef LTC_PMAC /** Process data in a PMAC stream @@ -50,7 +50,9 @@ int pmac_process(pmac_state *pmac, const unsigned char *in, unsigned long inlen) for (y = 0; y < 16; y += sizeof(LTC_FAST_TYPE)) { *((LTC_FAST_TYPE*)(&Z[y])) = *((LTC_FAST_TYPE*)(&in[y])) ^ *((LTC_FAST_TYPE*)(&pmac->Li[y])); } - cipher_descriptor[pmac->cipher_idx].ecb_encrypt(Z, Z, &pmac->key); + if ((err = cipher_descriptor[pmac->cipher_idx].ecb_encrypt(Z, Z, &pmac->key)) != CRYPT_OK) { + return err; + } for (y = 0; y < 16; y += sizeof(LTC_FAST_TYPE)) { *((LTC_FAST_TYPE*)(&pmac->checksum[y])) ^= *((LTC_FAST_TYPE*)(&Z[y])); } @@ -67,7 +69,9 @@ int pmac_process(pmac_state *pmac, const unsigned char *in, unsigned long inlen) for (x = 0; x < (unsigned long)pmac->block_len; x++) { Z[x] = pmac->Li[x] ^ pmac->block[x]; } - cipher_descriptor[pmac->cipher_idx].ecb_encrypt(Z, Z, &pmac->key); + if ((err = cipher_descriptor[pmac->cipher_idx].ecb_encrypt(Z, Z, &pmac->key)) != CRYPT_OK) { + return err; + } for (x = 0; x < (unsigned long)pmac->block_len; x++) { pmac->checksum[x] ^= Z[x]; } @@ -92,5 +96,5 @@ int pmac_process(pmac_state *pmac, const unsigned char *in, unsigned long inlen) #endif /* $Source: /cvs/libtom/libtomcrypt/src/mac/pmac/pmac_process.c,v $ */ -/* $Revision: 1.5 $ */ -/* $Date: 2005/05/05 14:35:59 $ */ +/* $Revision: 1.8 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/pmac/pmac_shift_xor.c b/libtomcrypt/src/mac/pmac/pmac_shift_xor.c index f24c22b..694a423 100644 --- a/libtomcrypt/src/mac/pmac/pmac_shift_xor.c +++ b/libtomcrypt/src/mac/pmac/pmac_shift_xor.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -15,7 +15,7 @@ PMAC implementation, internal function, by Tom St Denis */ -#ifdef PMAC +#ifdef LTC_PMAC /** Internal function. Performs the state update (adding correct multiple) @@ -40,5 +40,5 @@ void pmac_shift_xor(pmac_state *pmac) #endif /* $Source: /cvs/libtom/libtomcrypt/src/mac/pmac/pmac_shift_xor.c,v $ */ -/* $Revision: 1.4 $ */ -/* $Date: 2005/05/05 14:35:59 $ */ +/* $Revision: 1.6 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/pmac/pmac_test.c b/libtomcrypt/src/mac/pmac/pmac_test.c index 6d88703..a635e15 100644 --- a/libtomcrypt/src/mac/pmac/pmac_test.c +++ b/libtomcrypt/src/mac/pmac/pmac_test.c @@ -6,7 +6,7 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.org + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com */ #include "tomcrypt.h" @@ -16,7 +16,7 @@ */ -#ifdef PMAC +#ifdef LTC_PMAC /** Test the OMAC implementation @@ -138,7 +138,7 @@ int pmac_test(void) return err; } - if (memcmp(outtag, tests[x].tag, len)) { + if (XMEMCMP(outtag, tests[x].tag, len)) { #if 0 unsigned long y; printf("\nTAG:\n"); @@ -161,5 +161,5 @@ int pmac_test(void) /* $Source: /cvs/libtom/libtomcrypt/src/mac/pmac/pmac_test.c,v $ */ -/* $Revision: 1.3 $ */ -/* $Date: 2005/05/05 14:35:59 $ */ +/* $Revision: 1.6 $ */ +/* $Date: 2006/11/03 00:39:49 $ */ diff --git a/libtomcrypt/src/mac/xcbc/xcbc_done.c b/libtomcrypt/src/mac/xcbc/xcbc_done.c new file mode 100644 index 0000000..687c24d --- /dev/null +++ b/libtomcrypt/src/mac/xcbc/xcbc_done.c @@ -0,0 +1,77 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + */ +#include "tomcrypt.h" + +/** + @file xcbc_done.c + XCBC Support, terminate the state +*/ + +#ifdef LTC_XCBC + +/** Terminate the XCBC-MAC state + @param xcbc XCBC state to terminate + @param out [out] Destination for the MAC tag + @param outlen [in/out] Destination size and final tag size + Return CRYPT_OK on success +*/ +int xcbc_done(xcbc_state *xcbc, unsigned char *out, unsigned long *outlen) +{ + int err, x; + LTC_ARGCHK(xcbc != NULL); + LTC_ARGCHK(out != NULL); + + /* check structure */ + if ((err = cipher_is_valid(xcbc->cipher)) != CRYPT_OK) { + return err; + } + + if ((xcbc->blocksize > cipher_descriptor[xcbc->cipher].block_length) || (xcbc->blocksize < 0) || + (xcbc->buflen > xcbc->blocksize) || (xcbc->buflen < 0)) { + return CRYPT_INVALID_ARG; + } + + /* which key do we use? */ + if (xcbc->buflen == xcbc->blocksize) { + /* k2 */ + for (x = 0; x < xcbc->blocksize; x++) { + xcbc->IV[x] ^= xcbc->K[1][x]; + } + } else { + xcbc->IV[xcbc->buflen] ^= 0x80; + /* k3 */ + for (x = 0; x < xcbc->blocksize; x++) { + xcbc->IV[x] ^= xcbc->K[2][x]; + } + } + + /* encrypt */ + cipher_descriptor[xcbc->cipher].ecb_encrypt(xcbc->IV, xcbc->IV, &xcbc->key); + cipher_descriptor[xcbc->cipher].done(&xcbc->key); + + /* extract tag */ + for (x = 0; x < xcbc->blocksize && (unsigned long)x < *outlen; x++) { + out[x] = xcbc->IV[x]; + } + *outlen = x; + +#ifdef LTC_CLEAN_STACK + zeromem(xcbc, sizeof(*xcbc)); +#endif + return CRYPT_OK; +} + +#endif + +/* $Source: /cvs/libtom/libtomcrypt/src/mac/xcbc/xcbc_done.c,v $ */ +/* $Revision: 1.4 $ */ +/* $Date: 2006/11/07 03:23:46 $ */ + diff --git a/libtomcrypt/src/mac/xcbc/xcbc_file.c b/libtomcrypt/src/mac/xcbc/xcbc_file.c new file mode 100644 index 0000000..4a8f7af --- /dev/null +++ b/libtomcrypt/src/mac/xcbc/xcbc_file.c @@ -0,0 +1,83 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + */ +#include "tomcrypt.h" + +/** + @file xcbc_file.c + XCBC support, process a file, Tom St Denis +*/ + +#ifdef LTC_XCBC + +/** + XCBC a file + @param cipher The index of the cipher desired + @param key The secret key + @param keylen The length of the secret key (octets) + @param filename The name of the file you wish to XCBC + @param out [out] Where the authentication tag is to be stored + @param outlen [in/out] The max size and resulting size of the authentication tag + @return CRYPT_OK if successful, CRYPT_NOP if file support has been disabled +*/ +int xcbc_file(int cipher, + const unsigned char *key, unsigned long keylen, + const char *filename, + unsigned char *out, unsigned long *outlen) +{ +#ifdef LTC_NO_FILE + return CRYPT_NOP; +#else + int err, x; + xcbc_state xcbc; + FILE *in; + unsigned char buf[512]; + + LTC_ARGCHK(key != NULL); + LTC_ARGCHK(filename != NULL); + LTC_ARGCHK(out != NULL); + LTC_ARGCHK(outlen != NULL); + + in = fopen(filename, "rb"); + if (in == NULL) { + return CRYPT_FILE_NOTFOUND; + } + + if ((err = xcbc_init(&xcbc, cipher, key, keylen)) != CRYPT_OK) { + fclose(in); + return err; + } + + do { + x = fread(buf, 1, sizeof(buf), in); + if ((err = xcbc_process(&xcbc, buf, x)) != CRYPT_OK) { + fclose(in); + return err; + } + } while (x == sizeof(buf)); + fclose(in); + + if ((err = xcbc_done(&xcbc, out, outlen)) != CRYPT_OK) { + return err; + } + +#ifdef LTC_CLEAN_STACK + zeromem(buf, sizeof(buf)); +#endif + + return CRYPT_OK; +#endif +} + +#endif + +/* $Source: /cvs/libtom/libtomcrypt/src/mac/xcbc/xcbc_file.c,v $ */ +/* $Revision: 1.1 $ */ +/* $Date: 2006/11/03 01:56:41 $ */ diff --git a/libtomcrypt/src/mac/xcbc/xcbc_init.c b/libtomcrypt/src/mac/xcbc/xcbc_init.c new file mode 100644 index 0000000..3a0dcaf --- /dev/null +++ b/libtomcrypt/src/mac/xcbc/xcbc_init.c @@ -0,0 +1,86 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + */ +#include "tomcrypt.h" + +/** + @file xcbc_init.c + XCBC Support, start an XCBC state +*/ + +#ifdef LTC_XCBC + +/** Initialize XCBC-MAC state + @param xcbc [out] XCBC state to initialize + @param cipher Index of cipher to use + @param key [in] Secret key + @param keylen Length of secret key in octets + Return CRYPT_OK on success +*/ +int xcbc_init(xcbc_state *xcbc, int cipher, const unsigned char *key, unsigned long keylen) +{ + int x, y, err; + symmetric_key *skey; + + LTC_ARGCHK(xcbc != NULL); + LTC_ARGCHK(key != NULL); + + /* schedule the key */ + if ((err = cipher_is_valid(cipher)) != CRYPT_OK) { + return err; + } + +#ifdef LTC_FAST + if (cipher_descriptor[cipher].block_length % sizeof(LTC_FAST_TYPE)) { + return CRYPT_INVALID_ARG; + } +#endif + + /* schedule the user key */ + skey = XCALLOC(1, sizeof(*skey)); + if (skey == NULL) { + return CRYPT_MEM; + } + + if ((err = cipher_descriptor[cipher].setup(key, keylen, 0, skey)) != CRYPT_OK) { + goto done; + } + + /* make the three keys */ + for (y = 0; y < 3; y++) { + for (x = 0; x < cipher_descriptor[cipher].block_length; x++) { + xcbc->K[y][x] = y + 1; + } + cipher_descriptor[cipher].ecb_encrypt(xcbc->K[y], xcbc->K[y], skey); + } + + /* setup K1 */ + err = cipher_descriptor[cipher].setup(xcbc->K[0], cipher_descriptor[cipher].block_length, 0, &xcbc->key); + + /* setup struct */ + zeromem(xcbc->IV, cipher_descriptor[cipher].block_length); + xcbc->blocksize = cipher_descriptor[cipher].block_length; + xcbc->cipher = cipher; + xcbc->buflen = 0; +done: + cipher_descriptor[cipher].done(skey); +#ifdef LTC_CLEAN_STACK + zeromem(skey, sizeof(*skey)); +#endif + XFREE(skey); + return err; +} + +#endif + +/* $Source: /cvs/libtom/libtomcrypt/src/mac/xcbc/xcbc_init.c,v $ */ +/* $Revision: 1.4 $ */ +/* $Date: 2006/11/07 03:23:46 $ */ + diff --git a/libtomcrypt/src/mac/xcbc/xcbc_memory.c b/libtomcrypt/src/mac/xcbc/xcbc_memory.c new file mode 100644 index 0000000..1826b6b --- /dev/null +++ b/libtomcrypt/src/mac/xcbc/xcbc_memory.c @@ -0,0 +1,71 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + */ +#include "tomcrypt.h" + +/** + @file xcbc_process.c + XCBC Support, XCBC-MAC a block of memory +*/ + +#ifdef LTC_XCBC + +/** XCBC-MAC a block of memory + @param cipher Index of cipher to use + @param key [in] Secret key + @param keylen Length of key in octets + @param in [in] Message to MAC + @param inlen Length of input in octets + @param out [out] Destination for the MAC tag + @param outlen [in/out] Output size and final tag size + Return CRYPT_OK on success. +*/ +int xcbc_memory(int cipher, + const unsigned char *key, unsigned long keylen, + const unsigned char *in, unsigned long inlen, + unsigned char *out, unsigned long *outlen) +{ + xcbc_state *xcbc; + int err; + + /* is the cipher valid? */ + if ((err = cipher_is_valid(cipher)) != CRYPT_OK) { + return err; + } + + /* Use accelerator if found */ + if (cipher_descriptor[cipher].xcbc_memory != NULL) { + return cipher_descriptor[cipher].xcbc_memory(key, keylen, in, inlen, out, outlen); + } + + xcbc = XCALLOC(1, sizeof(*xcbc)); + if (xcbc == NULL) { + return CRYPT_MEM; + } + + if ((err = xcbc_init(xcbc, cipher, key, keylen)) != CRYPT_OK) { + goto done; + } + + if ((err = xcbc_process(xcbc, in, inlen)) != CRYPT_OK) { + goto done; + } + + err = xcbc_done(xcbc, out, outlen); +done: + XFREE(xcbc); + return err; +} + +#endif + +/* $Source: /cvs/libtom/libtomcrypt/src/mac/xcbc/xcbc_memory.c,v $ */ +/* $Revision: 1.4 $ */ +/* $Date: 2006/11/21 23:02:42 $ */ diff --git a/libtomcrypt/src/mac/xcbc/xcbc_memory_multi.c b/libtomcrypt/src/mac/xcbc/xcbc_memory_multi.c new file mode 100644 index 0000000..ccae9de --- /dev/null +++ b/libtomcrypt/src/mac/xcbc/xcbc_memory_multi.c @@ -0,0 +1,90 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + */ +#include "tomcrypt.h" +#include <stdarg.h> + +/** + @file xcbc_memory_multi.c + XCBC support, process multiple blocks of memory, Tom St Denis +*/ + +#ifdef LTC_XCBC + +/** + XCBC multiple blocks of memory + @param cipher The index of the desired cipher + @param key The secret key + @param keylen The length of the secret key (octets) + @param out [out] The destination of the authentication tag + @param outlen [in/out] The max size and resulting size of the authentication tag (octets) + @param in The data to send through XCBC + @param inlen The length of the data to send through XCBC (octets) + @param ... tuples of (data,len) pairs to XCBC, terminated with a (NULL,x) (x=don't care) + @return CRYPT_OK if successful +*/ +int xcbc_memory_multi(int cipher, + const unsigned char *key, unsigned long keylen, + unsigned char *out, unsigned long *outlen, + const unsigned char *in, unsigned long inlen, ...) +{ + int err; + xcbc_state *xcbc; + va_list args; + const unsigned char *curptr; + unsigned long curlen; + + LTC_ARGCHK(key != NULL); + LTC_ARGCHK(in != NULL); + LTC_ARGCHK(out != NULL); + LTC_ARGCHK(outlen != NULL); + + /* allocate ram for xcbc state */ + xcbc = XMALLOC(sizeof(xcbc_state)); + if (xcbc == NULL) { + return CRYPT_MEM; + } + + /* xcbc process the message */ + if ((err = xcbc_init(xcbc, cipher, key, keylen)) != CRYPT_OK) { + goto LBL_ERR; + } + va_start(args, inlen); + curptr = in; + curlen = inlen; + for (;;) { + /* process buf */ + if ((err = xcbc_process(xcbc, curptr, curlen)) != CRYPT_OK) { + goto LBL_ERR; + } + /* step to next */ + curptr = va_arg(args, const unsigned char*); + if (curptr == NULL) { + break; + } + curlen = va_arg(args, unsigned long); + } + if ((err = xcbc_done(xcbc, out, outlen)) != CRYPT_OK) { + goto LBL_ERR; + } +LBL_ERR: +#ifdef LTC_CLEAN_STACK + zeromem(xcbc, sizeof(xcbc_state)); +#endif + XFREE(xcbc); + va_end(args); + return err; +} + +#endif + +/* $Source: /cvs/libtom/libtomcrypt/src/mac/xcbc/xcbc_memory_multi.c,v $ */ +/* $Revision: 1.1 $ */ +/* $Date: 2006/11/03 01:53:25 $ */ diff --git a/libtomcrypt/src/mac/xcbc/xcbc_process.c b/libtomcrypt/src/mac/xcbc/xcbc_process.c new file mode 100644 index 0000000..4dd63b5 --- /dev/null +++ b/libtomcrypt/src/mac/xcbc/xcbc_process.c @@ -0,0 +1,75 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + */ +#include "tomcrypt.h" + +/** + @file xcbc_process.c + XCBC Support, process blocks with XCBC +*/ + +#ifdef LTC_XCBC + +/** Process data through XCBC-MAC + @param xcbc The XCBC-MAC state + @param in Input data to process + @param inlen Length of input in octets + Return CRYPT_OK on success +*/ +int xcbc_process(xcbc_state *xcbc, const unsigned char *in, unsigned long inlen) +{ + int err; +#ifdef LTC_FAST + int x; +#endif + + LTC_ARGCHK(xcbc != NULL); + LTC_ARGCHK(in != NULL); + + /* check structure */ + if ((err = cipher_is_valid(xcbc->cipher)) != CRYPT_OK) { + return err; + } + + if ((xcbc->blocksize > cipher_descriptor[xcbc->cipher].block_length) || (xcbc->blocksize < 0) || + (xcbc->buflen > xcbc->blocksize) || (xcbc->buflen < 0)) { + return CRYPT_INVALID_ARG; + } + +#ifdef LTC_FAST + if (xcbc->buflen == 0) { + while (inlen > (unsigned long)xcbc->blocksize) { + for (x = 0; x < xcbc->blocksize; x += sizeof(LTC_FAST_TYPE)) { + *((LTC_FAST_TYPE*)&(xcbc->IV[x])) ^= *((LTC_FAST_TYPE*)&(in[x])); + } + cipher_descriptor[xcbc->cipher].ecb_encrypt(xcbc->IV, xcbc->IV, &xcbc->key); + in += xcbc->blocksize; + inlen -= xcbc->blocksize; + } + } +#endif + + while (inlen) { + if (xcbc->buflen == xcbc->blocksize) { + cipher_descriptor[xcbc->cipher].ecb_encrypt(xcbc->IV, xcbc->IV, &xcbc->key); + xcbc->buflen = 0; + } + xcbc->IV[xcbc->buflen++] ^= *in++; + --inlen; + } + return CRYPT_OK; +} + +#endif + +/* $Source: /cvs/libtom/libtomcrypt/src/mac/xcbc/xcbc_process.c,v $ */ +/* $Revision: 1.9 $ */ +/* $Date: 2006/11/09 22:43:52 $ */ + diff --git a/libtomcrypt/src/mac/xcbc/xcbc_test.c b/libtomcrypt/src/mac/xcbc/xcbc_test.c new file mode 100644 index 0000000..2c56c0a --- /dev/null +++ b/libtomcrypt/src/mac/xcbc/xcbc_test.c @@ -0,0 +1,128 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + * + * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + */ +#include "tomcrypt.h" + +/** + @file xcbc_test.c + XCBC Support, Test XCBC-MAC mode +*/ + +#ifdef LTC_XCBC + +/** Test XCBC-MAC mode + Return CRYPT_OK on succes +*/ +int xcbc_test(void) +{ +#ifdef LTC_NO_TEST + return CRYPT_NOP; +#else + static const struct { + int msglen; + unsigned char K[16], M[34], T[16]; + } tests[] = { +{ + 0, + { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, + + { 0 }, + + { 0x75, 0xf0, 0x25, 0x1d, 0x52, 0x8a, 0xc0, 0x1c, + 0x45, 0x73, 0xdf, 0xd5, 0x84, 0xd7, 0x9f, 0x29 } +}, + +{ + 3, + { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, + + { 0x00, 0x01, 0x02 }, + + { 0x5b, 0x37, 0x65, 0x80, 0xae, 0x2f, 0x19, 0xaf, + 0xe7, 0x21, 0x9c, 0xee, 0xf1, 0x72, 0x75, 0x6f } +}, + +{ + 16, + { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, + + { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, + + { 0xd2, 0xa2, 0x46, 0xfa, 0x34, 0x9b, 0x68, 0xa7, + 0x99, 0x98, 0xa4, 0x39, 0x4f, 0xf7, 0xa2, 0x63 } +}, + +{ + 32, + { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, + + { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f }, + + { 0xf5, 0x4f, 0x0e, 0xc8, 0xd2, 0xb9, 0xf3, 0xd3, + 0x68, 0x07, 0x73, 0x4b, 0xd5, 0x28, 0x3f, 0xd4 } +}, + +{ + 34, + { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, + + { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, + 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, + 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, + 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, + 0x20, 0x21 }, + + { 0xbe, 0xcb, 0xb3, 0xbc, 0xcd, 0xb5, 0x18, 0xa3, + 0x06, 0x77, 0xd5, 0x48, 0x1f, 0xb6, 0xb4, 0xd8 }, +}, + + + +}; + unsigned char T[16]; + unsigned long taglen; + int err, x, idx; + + /* AES can be under rijndael or aes... try to find it */ + if ((idx = find_cipher("aes")) == -1) { + if ((idx = find_cipher("rijndael")) == -1) { + return CRYPT_NOP; + } + } + + for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) { + taglen = 16; + if ((err = xcbc_memory(idx, tests[x].K, 16, tests[x].M, tests[x].msglen, T, &taglen)) != CRYPT_OK) { + return err; + } + if (taglen != 16 || XMEMCMP(T, tests[x].T, 16)) { + return CRYPT_FAIL_TESTVECTOR; + } + } + + return CRYPT_OK; +#endif +} + +#endif + +/* $Source: /cvs/libtom/libtomcrypt/src/mac/xcbc/xcbc_test.c,v $ */ +/* $Revision: 1.5 $ */ +/* $Date: 2006/11/21 23:02:42 $ */ + |