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Import code from previous AssetBuilder version
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Jan
164
thirdparty/libtomcrypt/mac/pelican/pelican.c
vendored
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164
thirdparty/libtomcrypt/mac/pelican/pelican.c
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@ -0,0 +1,164 @@
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*/
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#include "tomcrypt.h"
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/**
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@file pelican.c
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Pelican MAC, initialize state, by Tom St Denis
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*/
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#ifdef LTC_PELICAN
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#define __LTC_AES_TAB_C__
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#define ENCRYPT_ONLY
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#define PELI_TAB
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#include "../../ciphers/aes/aes_tab.c"
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/**
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Initialize a Pelican state
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@param pelmac The Pelican state to initialize
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@param key The secret key
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@param keylen The length of the secret key (octets)
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@return CRYPT_OK if successful
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*/
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int pelican_init(pelican_state *pelmac, const unsigned char *key, unsigned long keylen)
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{
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int err;
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LTC_ARGCHK(pelmac != NULL);
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LTC_ARGCHK(key != NULL);
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#ifdef LTC_FAST
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if (16 % sizeof(LTC_FAST_TYPE)) {
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return CRYPT_INVALID_ARG;
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}
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#endif
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if ((err = aes_setup(key, keylen, 0, &pelmac->K)) != CRYPT_OK) {
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return err;
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}
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zeromem(pelmac->state, 16);
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aes_ecb_encrypt(pelmac->state, pelmac->state, &pelmac->K);
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pelmac->buflen = 0;
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return CRYPT_OK;
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}
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static void _four_rounds(pelican_state *pelmac)
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{
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ulong32 s0, s1, s2, s3, t0, t1, t2, t3;
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int r;
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LOAD32H(s0, pelmac->state );
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LOAD32H(s1, pelmac->state + 4);
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LOAD32H(s2, pelmac->state + 8);
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LOAD32H(s3, pelmac->state + 12);
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for (r = 0; r < 4; r++) {
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t0 =
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Te0(byte(s0, 3)) ^
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Te1(byte(s1, 2)) ^
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Te2(byte(s2, 1)) ^
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Te3(byte(s3, 0));
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t1 =
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Te0(byte(s1, 3)) ^
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Te1(byte(s2, 2)) ^
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Te2(byte(s3, 1)) ^
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Te3(byte(s0, 0));
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t2 =
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Te0(byte(s2, 3)) ^
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Te1(byte(s3, 2)) ^
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Te2(byte(s0, 1)) ^
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Te3(byte(s1, 0));
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t3 =
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Te0(byte(s3, 3)) ^
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Te1(byte(s0, 2)) ^
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Te2(byte(s1, 1)) ^
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Te3(byte(s2, 0));
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s0 = t0; s1 = t1; s2 = t2; s3 = t3;
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}
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STORE32H(s0, pelmac->state );
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STORE32H(s1, pelmac->state + 4);
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STORE32H(s2, pelmac->state + 8);
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STORE32H(s3, pelmac->state + 12);
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}
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/**
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Process a block of text through Pelican
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@param pelmac The Pelican MAC state
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@param in The input
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@param inlen The length input (octets)
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@return CRYPT_OK on success
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*/
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int pelican_process(pelican_state *pelmac, const unsigned char *in, unsigned long inlen)
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{
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LTC_ARGCHK(pelmac != NULL);
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LTC_ARGCHK(in != NULL);
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/* check range */
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if (pelmac->buflen < 0 || pelmac->buflen > 15) {
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return CRYPT_INVALID_ARG;
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}
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#ifdef LTC_FAST
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if (pelmac->buflen == 0) {
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while (inlen & ~15) {
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int x;
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for (x = 0; x < 16; x += sizeof(LTC_FAST_TYPE)) {
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*(LTC_FAST_TYPE_PTR_CAST((unsigned char *)pelmac->state + x)) ^= *(LTC_FAST_TYPE_PTR_CAST((unsigned char *)in + x));
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}
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_four_rounds(pelmac);
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in += 16;
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inlen -= 16;
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}
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}
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#endif
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while (inlen--) {
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pelmac->state[pelmac->buflen++] ^= *in++;
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if (pelmac->buflen == 16) {
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_four_rounds(pelmac);
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pelmac->buflen = 0;
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}
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}
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return CRYPT_OK;
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}
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/**
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Terminate Pelican MAC
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@param pelmac The Pelican MAC state
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@param out [out] The TAG
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@return CRYPT_OK on sucess
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*/
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int pelican_done(pelican_state *pelmac, unsigned char *out)
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{
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LTC_ARGCHK(pelmac != NULL);
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LTC_ARGCHK(out != NULL);
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/* check range */
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if (pelmac->buflen < 0 || pelmac->buflen > 16) {
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return CRYPT_INVALID_ARG;
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}
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if (pelmac->buflen == 16) {
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_four_rounds(pelmac);
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pelmac->buflen = 0;
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}
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pelmac->state[pelmac->buflen++] ^= 0x80;
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aes_ecb_encrypt(pelmac->state, out, &pelmac->K);
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aes_done(&pelmac->K);
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return CRYPT_OK;
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}
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#endif
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/* ref: HEAD -> master, tag: v1.18.2 */
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/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
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/* commit time: 2018-07-01 22:49:01 +0200 */
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57
thirdparty/libtomcrypt/mac/pelican/pelican_memory.c
vendored
Normal file
57
thirdparty/libtomcrypt/mac/pelican/pelican_memory.c
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@ -0,0 +1,57 @@
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*/
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#include "tomcrypt.h"
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/**
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@file pelican_memory.c
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Pelican MAC, MAC a block of memory, by Tom St Denis
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*/
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#ifdef LTC_PELICAN
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/**
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Pelican block of memory
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@param key The key for the MAC
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@param keylen The length of the key (octets)
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@param in The input to MAC
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@param inlen The length of the input (octets)
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@param out [out] The output TAG
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@return CRYPT_OK on success
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*/
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int pelican_memory(const unsigned char *key, unsigned long keylen,
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const unsigned char *in, unsigned long inlen,
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unsigned char *out)
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{
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pelican_state *pel;
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int err;
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pel = XMALLOC(sizeof(*pel));
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if (pel == NULL) {
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return CRYPT_MEM;
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}
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if ((err = pelican_init(pel, key, keylen)) != CRYPT_OK) {
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XFREE(pel);
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return err;
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}
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if ((err = pelican_process(pel, in ,inlen)) != CRYPT_OK) {
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XFREE(pel);
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return err;
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}
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err = pelican_done(pel, out);
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XFREE(pel);
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return err;
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}
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#endif
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/* ref: HEAD -> master, tag: v1.18.2 */
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/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
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/* commit time: 2018-07-01 22:49:01 +0200 */
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113
thirdparty/libtomcrypt/mac/pelican/pelican_test.c
vendored
Normal file
113
thirdparty/libtomcrypt/mac/pelican/pelican_test.c
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@ -0,0 +1,113 @@
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
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*
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* LibTomCrypt is a library that provides various cryptographic
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* algorithms in a highly modular and flexible manner.
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*
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* The library is free for all purposes without any express
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* guarantee it works.
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*/
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#include "tomcrypt.h"
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/**
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@file pelican_test.c
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Pelican MAC, test, by Tom St Denis
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*/
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#ifdef LTC_PELICAN
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int pelican_test(void)
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{
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#ifndef LTC_TEST
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return CRYPT_NOP;
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#else
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static const struct {
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unsigned char K[32], MSG[64], T[16];
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int keylen, ptlen;
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} tests[] = {
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/* K=16, M=0 */
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{
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{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F },
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{ 0 },
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{ 0xeb, 0x58, 0x37, 0x15, 0xf8, 0x34, 0xde, 0xe5,
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0xa4, 0xd1, 0x6e, 0xe4, 0xb9, 0xd7, 0x76, 0x0e, },
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16, 0
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},
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/* K=16, M=3 */
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{
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{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F },
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{ 0x00, 0x01, 0x02 },
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{ 0x1c, 0x97, 0x40, 0x60, 0x6c, 0x58, 0x17, 0x2d,
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0x03, 0x94, 0x19, 0x70, 0x81, 0xc4, 0x38, 0x54, },
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16, 3
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},
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/* K=16, M=16 */
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{
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{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F },
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{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F },
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{ 0x03, 0xcc, 0x46, 0xb8, 0xac, 0xa7, 0x9c, 0x36,
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0x1e, 0x8c, 0x6e, 0xa6, 0x7b, 0x89, 0x32, 0x49, },
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16, 16
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},
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/* K=16, M=32 */
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{
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{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F },
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{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
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0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F },
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{ 0x89, 0xcc, 0x36, 0x58, 0x1b, 0xdd, 0x4d, 0xb5,
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0x78, 0xbb, 0xac, 0xf0, 0xff, 0x8b, 0x08, 0x15, },
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16, 32
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},
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/* K=16, M=35 */
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{
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{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F },
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{ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
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0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F,
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0x20, 0x21, 0x23 },
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{ 0x4a, 0x7d, 0x45, 0x4d, 0xcd, 0xb5, 0xda, 0x8d,
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0x48, 0x78, 0x16, 0x48, 0x5d, 0x45, 0x95, 0x99, },
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16, 35
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},
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};
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int x, err;
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unsigned char out[16];
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pelican_state pel;
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for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) {
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if ((err = pelican_init(&pel, tests[x].K, tests[x].keylen)) != CRYPT_OK) {
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return err;
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}
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if ((err = pelican_process(&pel, tests[x].MSG, tests[x].ptlen)) != CRYPT_OK) {
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return err;
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}
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if ((err = pelican_done(&pel, out)) != CRYPT_OK) {
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return err;
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}
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if (compare_testvector(out, 16, tests[x].T, 16, "PELICAN", x)) {
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return CRYPT_FAIL_TESTVECTOR;
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}
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}
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return CRYPT_OK;
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#endif
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}
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#endif
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/* ref: HEAD -> master, tag: v1.18.2 */
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/* git commit: 7e7eb695d581782f04b24dc444cbfde86af59853 */
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/* commit time: 2018-07-01 22:49:01 +0200 */
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