diff options
Diffstat (limited to 'utils/tomcrypt/src/misc')
-rw-r--r-- | utils/tomcrypt/src/misc/compare_testvector.c | 87 | ||||
-rw-r--r-- | utils/tomcrypt/src/misc/crypt/crypt_argchk.c | 27 | ||||
-rw-r--r-- | utils/tomcrypt/src/misc/crypt/crypt_cipher_descriptor.c | 25 | ||||
-rw-r--r-- | utils/tomcrypt/src/misc/crypt/crypt_cipher_is_valid.c | 34 | ||||
-rw-r--r-- | utils/tomcrypt/src/misc/crypt/crypt_register_cipher.c | 52 | ||||
-rw-r--r-- | utils/tomcrypt/src/misc/zeromem.c | 32 |
6 files changed, 257 insertions, 0 deletions
diff --git a/utils/tomcrypt/src/misc/compare_testvector.c b/utils/tomcrypt/src/misc/compare_testvector.c new file mode 100644 index 0000000000..67fe1c1f9a --- /dev/null +++ b/utils/tomcrypt/src/misc/compare_testvector.c @@ -0,0 +1,87 @@ +/* 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. + */ + +#include "tomcrypt.h" + +/** + @file compare_testvector.c + Function to compare two testvectors and print a (detailed) error-message if required, Steffen Jaeckel +*/ + +#if defined(LTC_TEST) && defined(LTC_TEST_DBG) +static void _print_hex(const char* what, const void* v, const unsigned long l) +{ + const unsigned char* p = v; + unsigned long x, y = 0, z; + fprintf(stderr, "%s contents: \n", what); + for (x = 0; x < l; ) { + fprintf(stderr, "%02X ", p[x]); + if (!(++x % 16) || x == l) { + if((x % 16) != 0) { + z = 16 - (x % 16); + if(z >= 8) + fprintf(stderr, " "); + for (; z != 0; --z) { + fprintf(stderr, " "); + } + } + fprintf(stderr, " | "); + for(; y < x; y++) { + if((y % 8) == 0) + fprintf(stderr, " "); + if(isgraph(p[y])) + fprintf(stderr, "%c", p[y]); + else + fprintf(stderr, "."); + } + fprintf(stderr, "\n"); + } + else if((x % 8) == 0) { + fprintf(stderr, " "); + } + } +} +#endif + +/** + Compare two test-vectors + + @param is The data as it is + @param is_len The length of is + @param should The data as it should + @param should_len The length of should + @param what The type of the data + @param which The iteration count + @return 0 on equality, -1 or 1 on difference +*/ +int compare_testvector(const void* is, const unsigned long is_len, const void* should, const unsigned long should_len, const char* what, int which) +{ + int res = 0; + if(is_len != should_len) + res = is_len > should_len ? -1 : 1; + else + res = XMEMCMP(is, should, is_len); + +#if defined(LTC_TEST) && defined(LTC_TEST_DBG) + if (res != 0) { + fprintf(stderr, "Testvector #%i of %s failed:\n", which, what); + _print_hex("SHOULD", should, should_len); + _print_hex("IS ", is, is_len); + } +#else + LTC_UNUSED_PARAM(which); + LTC_UNUSED_PARAM(what); +#endif + + return res; +} + +/* ref: HEAD -> master, tag: v1.18.2 */ +/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */ +/* commit time: 2018-07-01 22:49:01 +0200 */ diff --git a/utils/tomcrypt/src/misc/crypt/crypt_argchk.c b/utils/tomcrypt/src/misc/crypt/crypt_argchk.c new file mode 100644 index 0000000000..a93962420e --- /dev/null +++ b/utils/tomcrypt/src/misc/crypt/crypt_argchk.c @@ -0,0 +1,27 @@ +/* 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. + */ +#include "tomcrypt.h" + +/** + @file crypt_argchk.c + Perform argument checking, Tom St Denis +*/ + +#if (ARGTYPE == 0) +void crypt_argchk(const char *v, const char *s, int d) +{ + fprintf(stderr, "LTC_ARGCHK '%s' failure on line %d of file %s\n", + v, d, s); + abort(); +} +#endif + +/* ref: HEAD -> master, tag: v1.18.2 */ +/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */ +/* commit time: 2018-07-01 22:49:01 +0200 */ diff --git a/utils/tomcrypt/src/misc/crypt/crypt_cipher_descriptor.c b/utils/tomcrypt/src/misc/crypt/crypt_cipher_descriptor.c new file mode 100644 index 0000000000..a9de9d6785 --- /dev/null +++ b/utils/tomcrypt/src/misc/crypt/crypt_cipher_descriptor.c @@ -0,0 +1,25 @@ +/* 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. + */ +#include "tomcrypt.h" + +/** + @file crypt_cipher_descriptor.c + Stores the cipher descriptor table, Tom St Denis +*/ + +struct ltc_cipher_descriptor cipher_descriptor[TAB_SIZE] = { +{ NULL, 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL } + }; + +LTC_MUTEX_GLOBAL(ltc_cipher_mutex) + + +/* ref: HEAD -> master, tag: v1.18.2 */ +/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */ +/* commit time: 2018-07-01 22:49:01 +0200 */ diff --git a/utils/tomcrypt/src/misc/crypt/crypt_cipher_is_valid.c b/utils/tomcrypt/src/misc/crypt/crypt_cipher_is_valid.c new file mode 100644 index 0000000000..2ba32bf5e8 --- /dev/null +++ b/utils/tomcrypt/src/misc/crypt/crypt_cipher_is_valid.c @@ -0,0 +1,34 @@ +/* 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. + */ +#include "tomcrypt.h" + +/** + @file crypt_cipher_is_valid.c + Determine if cipher is valid, Tom St Denis +*/ + +/* + Test if a cipher index is valid + @param idx The index of the cipher to search for + @return CRYPT_OK if valid +*/ +int cipher_is_valid(int idx) +{ + LTC_MUTEX_LOCK(<c_cipher_mutex); + if (idx < 0 || idx >= TAB_SIZE || cipher_descriptor[idx].name == NULL) { + LTC_MUTEX_UNLOCK(<c_cipher_mutex); + return CRYPT_INVALID_CIPHER; + } + LTC_MUTEX_UNLOCK(<c_cipher_mutex); + return CRYPT_OK; +} + +/* ref: HEAD -> master, tag: v1.18.2 */ +/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */ +/* commit time: 2018-07-01 22:49:01 +0200 */ diff --git a/utils/tomcrypt/src/misc/crypt/crypt_register_cipher.c b/utils/tomcrypt/src/misc/crypt/crypt_register_cipher.c new file mode 100644 index 0000000000..59fc042d89 --- /dev/null +++ b/utils/tomcrypt/src/misc/crypt/crypt_register_cipher.c @@ -0,0 +1,52 @@ +/* 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. + */ +#include "tomcrypt.h" + +/** + @file crypt_register_cipher.c + Register a cipher, Tom St Denis +*/ + +/** + Register a cipher with the descriptor table + @param cipher The cipher you wish to register + @return value >= 0 if successfully added (or already present), -1 if unsuccessful +*/ +int register_cipher(const struct ltc_cipher_descriptor *cipher) +{ + int x; + + LTC_ARGCHK(cipher != NULL); + + /* is it already registered? */ + LTC_MUTEX_LOCK(<c_cipher_mutex); + for (x = 0; x < TAB_SIZE; x++) { + if (cipher_descriptor[x].name != NULL && cipher_descriptor[x].ID == cipher->ID) { + LTC_MUTEX_UNLOCK(<c_cipher_mutex); + return x; + } + } + + /* find a blank spot */ + for (x = 0; x < TAB_SIZE; x++) { + if (cipher_descriptor[x].name == NULL) { + XMEMCPY(&cipher_descriptor[x], cipher, sizeof(struct ltc_cipher_descriptor)); + LTC_MUTEX_UNLOCK(<c_cipher_mutex); + return x; + } + } + + /* no spot */ + LTC_MUTEX_UNLOCK(<c_cipher_mutex); + return -1; +} + +/* ref: HEAD -> master, tag: v1.18.2 */ +/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */ +/* commit time: 2018-07-01 22:49:01 +0200 */ diff --git a/utils/tomcrypt/src/misc/zeromem.c b/utils/tomcrypt/src/misc/zeromem.c new file mode 100644 index 0000000000..dc81d9b1e2 --- /dev/null +++ b/utils/tomcrypt/src/misc/zeromem.c @@ -0,0 +1,32 @@ +/* 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. + */ +#include "tomcrypt.h" + +/** + @file zeromem.c + Zero a block of memory, Tom St Denis +*/ + +/** + Zero a block of memory + @param out The destination of the area to zero + @param outlen The length of the area to zero (octets) +*/ +void zeromem(volatile void *out, size_t outlen) +{ + volatile char *mem = out; + LTC_ARGCHKVD(out != NULL); + while (outlen-- > 0) { + *mem++ = '\0'; + } +} + +/* ref: HEAD -> master, tag: v1.18.2 */ +/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */ +/* commit time: 2018-07-01 22:49:01 +0200 */ |