mac/omac/omac_process.o \
misc/crypt/crypt_find_prng.o \
mac/omac/omac_test.o \
- mac/pelican/pelican.o \
- mac/pelican/pelican_memory.o \
- mac/pelican/pelican_test.o \
- mac/pmac/pmac_done.o \
- mac/pmac/pmac_file.o \
- mac/pmac/pmac_init.o \
- mac/pmac/pmac_memory.o \
- mac/pmac/pmac_memory_multi.o \
- mac/pmac/pmac_ntz.o \
- mac/pmac/pmac_process.o \
- mac/pmac/pmac_shift_xor.o \
- mac/pmac/pmac_test.o \
mac/poly1305/poly1305.o \
mac/poly1305/poly1305_file.o \
mac/poly1305/poly1305_memory.o \
+++ /dev/null
-/* 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 pelican.c
- Pelican MAC, initialize state, by Tom St Denis
-*/
-
-#ifdef LTC_PELICAN
-
-#define __LTC_AES_TAB_C__
-#define ENCRYPT_ONLY
-#define PELI_TAB
-#include "../../ciphers/aes/aes_tab.c"
-
-/**
- Initialize a Pelican state
- @param pelmac The Pelican state to initialize
- @param key The secret key
- @param keylen The length of the secret key (octets)
- @return CRYPT_OK if successful
-*/
-int pelican_init(pelican_state *pelmac, const unsigned char *key, unsigned long keylen)
-{
- int err;
-
- LTC_ARGCHK(pelmac != NULL);
- LTC_ARGCHK(key != NULL);
-
-#ifdef LTC_FAST
- if (16 % sizeof(LTC_FAST_TYPE)) {
- return CRYPT_INVALID_ARG;
- }
-#endif
-
- if ((err = aes_setup(key, keylen, 0, &pelmac->K)) != CRYPT_OK) {
- return err;
- }
-
- zeromem(pelmac->state, 16);
- aes_ecb_encrypt(pelmac->state, pelmac->state, &pelmac->K);
- pelmac->buflen = 0;
-
- return CRYPT_OK;
-}
-
-static void _four_rounds(pelican_state *pelmac)
-{
- ulong32 s0, s1, s2, s3, t0, t1, t2, t3;
- int r;
-
- LOAD32H(s0, pelmac->state );
- LOAD32H(s1, pelmac->state + 4);
- LOAD32H(s2, pelmac->state + 8);
- LOAD32H(s3, pelmac->state + 12);
- for (r = 0; r < 4; r++) {
- t0 =
- Te0(byte(s0, 3)) ^
- Te1(byte(s1, 2)) ^
- Te2(byte(s2, 1)) ^
- Te3(byte(s3, 0));
- t1 =
- Te0(byte(s1, 3)) ^
- Te1(byte(s2, 2)) ^
- Te2(byte(s3, 1)) ^
- Te3(byte(s0, 0));
- t2 =
- Te0(byte(s2, 3)) ^
- Te1(byte(s3, 2)) ^
- Te2(byte(s0, 1)) ^
- Te3(byte(s1, 0));
- t3 =
- Te0(byte(s3, 3)) ^
- Te1(byte(s0, 2)) ^
- Te2(byte(s1, 1)) ^
- Te3(byte(s2, 0));
- s0 = t0; s1 = t1; s2 = t2; s3 = t3;
- }
- STORE32H(s0, pelmac->state );
- STORE32H(s1, pelmac->state + 4);
- STORE32H(s2, pelmac->state + 8);
- STORE32H(s3, pelmac->state + 12);
-}
-
-/**
- Process a block of text through Pelican
- @param pelmac The Pelican MAC state
- @param in The input
- @param inlen The length input (octets)
- @return CRYPT_OK on success
- */
-int pelican_process(pelican_state *pelmac, const unsigned char *in, unsigned long inlen)
-{
-
- LTC_ARGCHK(pelmac != NULL);
- LTC_ARGCHK(in != NULL);
-
- /* check range */
- if (pelmac->buflen < 0 || pelmac->buflen > 15) {
- return CRYPT_INVALID_ARG;
- }
-
-#ifdef LTC_FAST
- if (pelmac->buflen == 0) {
- while (inlen & ~15) {
- int x;
- for (x = 0; x < 16; x += sizeof(LTC_FAST_TYPE)) {
- *(LTC_FAST_TYPE_PTR_CAST((unsigned char *)pelmac->state + x)) ^= *(LTC_FAST_TYPE_PTR_CAST((unsigned char *)in + x));
- }
- _four_rounds(pelmac);
- in += 16;
- inlen -= 16;
- }
- }
-#endif
-
- while (inlen--) {
- pelmac->state[pelmac->buflen++] ^= *in++;
- if (pelmac->buflen == 16) {
- _four_rounds(pelmac);
- pelmac->buflen = 0;
- }
- }
- return CRYPT_OK;
-}
-
-/**
- Terminate Pelican MAC
- @param pelmac The Pelican MAC state
- @param out [out] The TAG
- @return CRYPT_OK on sucess
-*/
-int pelican_done(pelican_state *pelmac, unsigned char *out)
-{
- LTC_ARGCHK(pelmac != NULL);
- LTC_ARGCHK(out != NULL);
-
- /* check range */
- if (pelmac->buflen < 0 || pelmac->buflen > 16) {
- return CRYPT_INVALID_ARG;
- }
-
- if (pelmac->buflen == 16) {
- _four_rounds(pelmac);
- pelmac->buflen = 0;
- }
- pelmac->state[pelmac->buflen++] ^= 0x80;
- aes_ecb_encrypt(pelmac->state, out, &pelmac->K);
- aes_done(&pelmac->K);
- return CRYPT_OK;
-}
-
-#endif
-
-/* ref: $Format:%D$ */
-/* git commit: $Format:%H$ */
-/* commit time: $Format:%ai$ */
+++ /dev/null
-/* 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 pelican_memory.c
- Pelican MAC, MAC a block of memory, by Tom St Denis
-*/
-
-#ifdef LTC_PELICAN
-
-/**
- Pelican block of memory
- @param key The key for the MAC
- @param keylen The length of the key (octets)
- @param in The input to MAC
- @param inlen The length of the input (octets)
- @param out [out] The output TAG
- @return CRYPT_OK on success
-*/
-int pelican_memory(const unsigned char *key, unsigned long keylen,
- const unsigned char *in, unsigned long inlen,
- unsigned char *out)
-{
- pelican_state *pel;
- int err;
-
- pel = XMALLOC(sizeof(*pel));
- if (pel == NULL) {
- return CRYPT_MEM;
- }
-
- if ((err = pelican_init(pel, key, keylen)) != CRYPT_OK) {
- XFREE(pel);
- return err;
- }
- if ((err = pelican_process(pel, in ,inlen)) != CRYPT_OK) {
- XFREE(pel);
- return err;
- }
- err = pelican_done(pel, out);
- XFREE(pel);
- return err;
-}
-
-
-#endif
-
-/* ref: $Format:%D$ */
-/* git commit: $Format:%H$ */
-/* commit time: $Format:%ai$ */
+++ /dev/null
-/* 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 pelican_test.c
- Pelican MAC, test, by Tom St Denis
-*/
-
-#ifdef LTC_PELICAN
-
-int pelican_test(void)
-{
-#ifndef LTC_TEST
- return CRYPT_NOP;
-#else
- static const struct {
- unsigned char K[32], MSG[64], T[16];
- int keylen, ptlen;
- } tests[] = {
-/* K=16, M=0 */
-{
- { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
- 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F },
- { 0 },
- { 0xeb, 0x58, 0x37, 0x15, 0xf8, 0x34, 0xde, 0xe5,
- 0xa4, 0xd1, 0x6e, 0xe4, 0xb9, 0xd7, 0x76, 0x0e, },
- 16, 0
-},
-
-/* K=16, M=3 */
-{
- { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
- 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F },
- { 0x00, 0x01, 0x02 },
- { 0x1c, 0x97, 0x40, 0x60, 0x6c, 0x58, 0x17, 0x2d,
- 0x03, 0x94, 0x19, 0x70, 0x81, 0xc4, 0x38, 0x54, },
- 16, 3
-},
-
-/* K=16, M=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 },
- { 0x03, 0xcc, 0x46, 0xb8, 0xac, 0xa7, 0x9c, 0x36,
- 0x1e, 0x8c, 0x6e, 0xa6, 0x7b, 0x89, 0x32, 0x49, },
- 16, 16
-},
-
-/* K=16, M=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 },
- { 0x89, 0xcc, 0x36, 0x58, 0x1b, 0xdd, 0x4d, 0xb5,
- 0x78, 0xbb, 0xac, 0xf0, 0xff, 0x8b, 0x08, 0x15, },
- 16, 32
-},
-
-/* K=16, M=35 */
-{
- { 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, 0x23 },
- { 0x4a, 0x7d, 0x45, 0x4d, 0xcd, 0xb5, 0xda, 0x8d,
- 0x48, 0x78, 0x16, 0x48, 0x5d, 0x45, 0x95, 0x99, },
- 16, 35
-},
-};
- int x, err;
- unsigned char out[16];
- pelican_state pel;
-
- for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) {
- if ((err = pelican_init(&pel, tests[x].K, tests[x].keylen)) != CRYPT_OK) {
- return err;
- }
- if ((err = pelican_process(&pel, tests[x].MSG, tests[x].ptlen)) != CRYPT_OK) {
- return err;
- }
- if ((err = pelican_done(&pel, out)) != CRYPT_OK) {
- return err;
- }
-
- if (compare_testvector(out, 16, tests[x].T, 16, "PELICAN", x)) {
- return CRYPT_FAIL_TESTVECTOR;
- }
- }
- return CRYPT_OK;
-#endif
-}
-
-
-#endif
-
-/* ref: $Format:%D$ */
-/* git commit: $Format:%H$ */
-/* commit time: $Format:%ai$ */
+++ /dev/null
-/* 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 pmac_done.c
- PMAC implementation, terminate a session, by Tom St Denis
-*/
-
-#ifdef LTC_PMAC
-
-int pmac_done(pmac_state *state, unsigned char *out, unsigned long *outlen)
-{
- int err, x;
-
- LTC_ARGCHK(state != NULL);
- LTC_ARGCHK(out != NULL);
- if ((err = cipher_is_valid(state->cipher_idx)) != CRYPT_OK) {
- return err;
- }
-
- if ((state->buflen > (int)sizeof(state->block)) || (state->buflen < 0) ||
- (state->block_len > (int)sizeof(state->block)) || (state->buflen > state->block_len)) {
- return CRYPT_INVALID_ARG;
- }
-
-
- /* handle padding. If multiple xor in L/x */
-
- if (state->buflen == state->block_len) {
- /* xor Lr against the checksum */
- for (x = 0; x < state->block_len; x++) {
- state->checksum[x] ^= state->block[x] ^ state->Lr[x];
- }
- } else {
- /* otherwise xor message bytes then the 0x80 byte */
- for (x = 0; x < state->buflen; x++) {
- state->checksum[x] ^= state->block[x];
- }
- state->checksum[x] ^= 0x80;
- }
-
- /* encrypt it */
- 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++) {
- out[x] = state->checksum[x];
- }
- *outlen = x;
-
-#ifdef LTC_CLEAN_STACK
- zeromem(state, sizeof(*state));
-#endif
- return CRYPT_OK;
-}
-
-#endif
-
-
-/* ref: $Format:%D$ */
-/* git commit: $Format:%H$ */
-/* commit time: $Format:%ai$ */
+++ /dev/null
-/* 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 pmac_file.c
- PMAC implementation, process a file, by Tom St Denis
-*/
-
-#ifdef LTC_PMAC
-
-/**
- PMAC 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 to send through PMAC
- @param out [out] Destination for the authentication tag
- @param outlen [in/out] Max size and resulting size of the authentication tag
- @return CRYPT_OK if successful, CRYPT_NOP if file support has been disabled
-*/
-int pmac_file(int cipher,
- const unsigned char *key, unsigned long keylen,
- const char *filename,
- unsigned char *out, unsigned long *outlen)
-{
-#ifdef LTC_NO_FILE
- LTC_UNUSED_PARAM(cipher);
- LTC_UNUSED_PARAM(key);
- LTC_UNUSED_PARAM(keylen);
- LTC_UNUSED_PARAM(filename);
- LTC_UNUSED_PARAM(out);
- LTC_UNUSED_PARAM(outlen);
- return CRYPT_NOP;
-#else
- size_t x;
- int err;
- pmac_state pmac;
- FILE *in;
- unsigned char *buf;
-
-
- LTC_ARGCHK(key != NULL);
- LTC_ARGCHK(filename != NULL);
- LTC_ARGCHK(out != NULL);
- LTC_ARGCHK(outlen != NULL);
-
- if ((buf = XMALLOC(LTC_FILE_READ_BUFSIZE)) == NULL) {
- return CRYPT_MEM;
- }
-
- if ((err = pmac_init(&pmac, cipher, key, keylen)) != CRYPT_OK) {
- goto LBL_ERR;
- }
-
- in = fopen(filename, "rb");
- if (in == NULL) {
- err = CRYPT_FILE_NOTFOUND;
- goto LBL_ERR;
- }
-
- do {
- x = fread(buf, 1, LTC_FILE_READ_BUFSIZE, in);
- if ((err = pmac_process(&pmac, buf, (unsigned long)x)) != CRYPT_OK) {
- fclose(in);
- goto LBL_CLEANBUF;
- }
- } while (x == LTC_FILE_READ_BUFSIZE);
-
- if (fclose(in) != 0) {
- err = CRYPT_ERROR;
- goto LBL_CLEANBUF;
- }
-
- err = pmac_done(&pmac, out, outlen);
-
-LBL_CLEANBUF:
- zeromem(buf, LTC_FILE_READ_BUFSIZE);
-LBL_ERR:
-#ifdef LTC_CLEAN_STACK
- zeromem(&pmac, sizeof(pmac_state));
-#endif
- XFREE(buf);
- return err;
-#endif
-}
-
-#endif
-
-/* ref: $Format:%D$ */
-/* git commit: $Format:%H$ */
-/* commit time: $Format:%ai$ */
+++ /dev/null
-/* 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 pmac_init.c
- PMAC implementation, initialize state, by Tom St Denis
-*/
-
-#ifdef LTC_PMAC
-
-static const struct {
- int len;
- unsigned char poly_div[MAXBLOCKSIZE],
- poly_mul[MAXBLOCKSIZE];
-} polys[] = {
-{
- 8,
- { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0D },
- { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1B }
-}, {
- 16,
- { 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x43 },
- { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x87 }
-}
-};
-
-/**
- Initialize a PMAC state
- @param pmac The PMAC state to initialize
- @param cipher The index of the desired cipher
- @param key The secret key
- @param keylen The length of the secret key (octets)
- @return CRYPT_OK if successful
-*/
-int pmac_init(pmac_state *pmac, int cipher, const unsigned char *key, unsigned long keylen)
-{
- int poly, x, y, m, err;
- unsigned char *L;
-
- LTC_ARGCHK(pmac != NULL);
- LTC_ARGCHK(key != NULL);
-
- /* valid cipher? */
- if ((err = cipher_is_valid(cipher)) != CRYPT_OK) {
- return err;
- }
-
- /* determine which polys to use */
- pmac->block_len = cipher_descriptor[cipher].block_length;
- for (poly = 0; poly < (int)(sizeof(polys)/sizeof(polys[0])); poly++) {
- if (polys[poly].len == pmac->block_len) {
- break;
- }
- }
- if (poly >= (int)(sizeof(polys)/sizeof(polys[0]))) {
- return CRYPT_INVALID_ARG;
- }
- if (polys[poly].len != pmac->block_len) {
- return CRYPT_INVALID_ARG;
- }
-
-#ifdef LTC_FAST
- if (pmac->block_len % sizeof(LTC_FAST_TYPE)) {
- return CRYPT_INVALID_ARG;
- }
-#endif
-
-
- /* schedule the key */
- if ((err = cipher_descriptor[cipher].setup(key, keylen, 0, &pmac->key)) != CRYPT_OK) {
- return err;
- }
-
- /* allocate L */
- L = XMALLOC(pmac->block_len);
- if (L == NULL) {
- return CRYPT_MEM;
- }
-
- /* find L = E[0] */
- zeromem(L, pmac->block_len);
- 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);
- for (x = 1; x < 32; x++) {
- m = pmac->Ls[x-1][0] >> 7;
- for (y = 0; y < pmac->block_len-1; y++) {
- pmac->Ls[x][y] = ((pmac->Ls[x-1][y] << 1) | (pmac->Ls[x-1][y+1] >> 7)) & 255;
- }
- pmac->Ls[x][pmac->block_len-1] = (pmac->Ls[x-1][pmac->block_len-1] << 1) & 255;
-
- if (m == 1) {
- for (y = 0; y < pmac->block_len; y++) {
- pmac->Ls[x][y] ^= polys[poly].poly_mul[y];
- }
- }
- }
-
- /* find Lr = L / x */
- m = L[pmac->block_len-1] & 1;
-
- /* shift right */
- for (x = pmac->block_len - 1; x > 0; x--) {
- pmac->Lr[x] = ((L[x] >> 1) | (L[x-1] << 7)) & 255;
- }
- pmac->Lr[0] = L[0] >> 1;
-
- if (m == 1) {
- for (x = 0; x < pmac->block_len; x++) {
- pmac->Lr[x] ^= polys[poly].poly_div[x];
- }
- }
-
- /* zero buffer, counters, etc... */
- pmac->block_index = 1;
- pmac->cipher_idx = cipher;
- pmac->buflen = 0;
- 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 err;
-}
-
-#endif
-
-/* ref: $Format:%D$ */
-/* git commit: $Format:%H$ */
-/* commit time: $Format:%ai$ */
+++ /dev/null
-/* 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 pmac_memory.c
- PMAC implementation, process a block of memory, by Tom St Denis
-*/
-
-#ifdef LTC_PMAC
-
-/**
- PMAC a block of memory
- @param cipher The index of the cipher desired
- @param key The secret key
- @param keylen The length of the secret key (octets)
- @param in The data you wish to send through PMAC
- @param inlen The length of data you wish to send through PMAC (octets)
- @param out [out] Destination for the authentication tag
- @param outlen [in/out] The max size and resulting size of the authentication tag
- @return CRYPT_OK if successful
-*/
-int pmac_memory(int cipher,
- const unsigned char *key, unsigned long keylen,
- const unsigned char *in, unsigned long inlen,
- unsigned char *out, unsigned long *outlen)
-{
- int err;
- pmac_state *pmac;
-
- LTC_ARGCHK(key != NULL);
- LTC_ARGCHK(in != NULL);
- LTC_ARGCHK(out != NULL);
- LTC_ARGCHK(outlen != NULL);
-
- /* allocate ram for pmac state */
- pmac = XMALLOC(sizeof(pmac_state));
- if (pmac == NULL) {
- return CRYPT_MEM;
- }
-
- if ((err = pmac_init(pmac, cipher, key, keylen)) != CRYPT_OK) {
- goto LBL_ERR;
- }
- if ((err = pmac_process(pmac, in, inlen)) != CRYPT_OK) {
- goto LBL_ERR;
- }
- if ((err = pmac_done(pmac, out, outlen)) != CRYPT_OK) {
- goto LBL_ERR;
- }
-
- err = CRYPT_OK;
-LBL_ERR:
-#ifdef LTC_CLEAN_STACK
- zeromem(pmac, sizeof(pmac_state));
-#endif
-
- XFREE(pmac);
- return err;
-}
-
-#endif
-
-/* ref: $Format:%D$ */
-/* git commit: $Format:%H$ */
-/* commit time: $Format:%ai$ */
+++ /dev/null
-/* 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"
-#include <stdarg.h>
-
-/**
- @file pmac_memory_multi.c
- PMAC implementation, process multiple blocks of memory, by Tom St Denis
-*/
-
-#ifdef LTC_PMAC
-
-/**
- PMAC multiple blocks of memory
- @param cipher The index of the cipher desired
- @param key The secret key
- @param keylen The length of the secret key (octets)
- @param out [out] Destination for the authentication tag
- @param outlen [in/out] The max size and resulting size of the authentication tag
- @param in The data you wish to send through PMAC
- @param inlen The length of data you wish to send through PMAC (octets)
- @param ... tuples of (data,len) pairs to PMAC, terminated with a (NULL,x) (x=don't care)
- @return CRYPT_OK if successful
-*/
-int pmac_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;
- pmac_state *pmac;
- 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 pmac state */
- pmac = XMALLOC(sizeof(pmac_state));
- if (pmac == NULL) {
- return CRYPT_MEM;
- }
-
- if ((err = pmac_init(pmac, cipher, key, keylen)) != CRYPT_OK) {
- goto LBL_ERR;
- }
- va_start(args, inlen);
- curptr = in;
- curlen = inlen;
- for (;;) {
- /* process buf */
- if ((err = pmac_process(pmac, 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 = pmac_done(pmac, out, outlen)) != CRYPT_OK) {
- goto LBL_ERR;
- }
-LBL_ERR:
-#ifdef LTC_CLEAN_STACK
- zeromem(pmac, sizeof(pmac_state));
-#endif
- XFREE(pmac);
- va_end(args);
- return err;
-}
-
-#endif
-
-/* ref: $Format:%D$ */
-/* git commit: $Format:%H$ */
-/* commit time: $Format:%ai$ */
+++ /dev/null
-/* 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 pmac_ntz.c
- PMAC implementation, internal function, by Tom St Denis
-*/
-
-#ifdef LTC_PMAC
-
-/**
- Internal PMAC function
-*/
-int pmac_ntz(unsigned long x)
-{
- int c;
- x &= 0xFFFFFFFFUL;
- c = 0;
- while ((x & 1) == 0) {
- ++c;
- x >>= 1;
- }
- return c;
-}
-
-#endif
-
-/* ref: $Format:%D$ */
-/* git commit: $Format:%H$ */
-/* commit time: $Format:%ai$ */
+++ /dev/null
-/* 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 pmac_process.c
- PMAC implementation, process data, by Tom St Denis
-*/
-
-
-#ifdef LTC_PMAC
-
-/**
- Process data in a PMAC stream
- @param pmac The PMAC state
- @param in The data to send through PMAC
- @param inlen The length of the data to send through PMAC
- @return CRYPT_OK if successful
-*/
-int pmac_process(pmac_state *pmac, const unsigned char *in, unsigned long inlen)
-{
- int err, n;
- unsigned long x;
- unsigned char Z[MAXBLOCKSIZE];
-
- LTC_ARGCHK(pmac != NULL);
- LTC_ARGCHK(in != NULL);
- if ((err = cipher_is_valid(pmac->cipher_idx)) != CRYPT_OK) {
- return err;
- }
-
- if ((pmac->buflen > (int)sizeof(pmac->block)) || (pmac->buflen < 0) ||
- (pmac->block_len > (int)sizeof(pmac->block)) || (pmac->buflen > pmac->block_len)) {
- return CRYPT_INVALID_ARG;
- }
-
-#ifdef LTC_FAST
- if (pmac->buflen == 0 && inlen > 16) {
- unsigned long y;
- for (x = 0; x < (inlen - 16); x += 16) {
- pmac_shift_xor(pmac);
- for (y = 0; y < 16; y += sizeof(LTC_FAST_TYPE)) {
- *(LTC_FAST_TYPE_PTR_CAST(&Z[y])) = *(LTC_FAST_TYPE_PTR_CAST(&in[y])) ^ *(LTC_FAST_TYPE_PTR_CAST(&pmac->Li[y]));
- }
- 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_PTR_CAST(&pmac->checksum[y])) ^= *(LTC_FAST_TYPE_PTR_CAST(&Z[y]));
- }
- in += 16;
- }
- inlen -= x;
- }
-#endif
-
- while (inlen != 0) {
- /* ok if the block is full we xor in prev, encrypt and replace prev */
- if (pmac->buflen == pmac->block_len) {
- pmac_shift_xor(pmac);
- for (x = 0; x < (unsigned long)pmac->block_len; x++) {
- Z[x] = pmac->Li[x] ^ pmac->block[x];
- }
- 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];
- }
- pmac->buflen = 0;
- }
-
- /* add bytes */
- n = MIN(inlen, (unsigned long)(pmac->block_len - pmac->buflen));
- XMEMCPY(pmac->block + pmac->buflen, in, n);
- pmac->buflen += n;
- inlen -= n;
- in += n;
- }
-
-#ifdef LTC_CLEAN_STACK
- zeromem(Z, sizeof(Z));
-#endif
-
- return CRYPT_OK;
-}
-
-#endif
-
-/* ref: $Format:%D$ */
-/* git commit: $Format:%H$ */
-/* commit time: $Format:%ai$ */
+++ /dev/null
-/* 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 pmac_shift_xor.c
- PMAC implementation, internal function, by Tom St Denis
-*/
-
-#ifdef LTC_PMAC
-
-/**
- Internal function. Performs the state update (adding correct multiple)
- @param pmac The PMAC state.
-*/
-void pmac_shift_xor(pmac_state *pmac)
-{
- int x, y;
- y = pmac_ntz(pmac->block_index++);
-#ifdef LTC_FAST
- for (x = 0; x < pmac->block_len; x += sizeof(LTC_FAST_TYPE)) {
- *(LTC_FAST_TYPE_PTR_CAST((unsigned char *)pmac->Li + x)) ^=
- *(LTC_FAST_TYPE_PTR_CAST((unsigned char *)pmac->Ls[y] + x));
- }
-#else
- for (x = 0; x < pmac->block_len; x++) {
- pmac->Li[x] ^= pmac->Ls[y][x];
- }
-#endif
-}
-
-#endif
-
-/* ref: $Format:%D$ */
-/* git commit: $Format:%H$ */
-/* commit time: $Format:%ai$ */
+++ /dev/null
-/* 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 pmac_test.c
- PMAC implementation, self-test, by Tom St Denis
-*/
-
-
-#ifdef LTC_PMAC
-
-/**
- Test the LTC_OMAC implementation
- @return CRYPT_OK if successful, CRYPT_NOP if testing has been disabled
-*/
-int pmac_test(void)
-{
-#if !defined(LTC_TEST)
- return CRYPT_NOP;
-#else
- static const struct {
- int msglen;
- unsigned char key[16], msg[34], tag[16];
- } tests[] = {
-
- /* PMAC-AES-128-0B */
-{
- 0,
- /* key */
- { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
- 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
- /* msg */
- { 0x00 },
- /* tag */
- { 0x43, 0x99, 0x57, 0x2c, 0xd6, 0xea, 0x53, 0x41,
- 0xb8, 0xd3, 0x58, 0x76, 0xa7, 0x09, 0x8a, 0xf7 }
-},
-
- /* PMAC-AES-128-3B */
-{
- 3,
- /* key */
- { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
- 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
- /* msg */
- { 0x00, 0x01, 0x02 },
- /* tag */
- { 0x25, 0x6b, 0xa5, 0x19, 0x3c, 0x1b, 0x99, 0x1b,
- 0x4d, 0xf0, 0xc5, 0x1f, 0x38, 0x8a, 0x9e, 0x27 }
-},
-
- /* PMAC-AES-128-16B */
-{
- 16,
- /* key */
- { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
- 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
- /* msg */
- { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
- 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
- /* tag */
- { 0xeb, 0xbd, 0x82, 0x2f, 0xa4, 0x58, 0xda, 0xf6,
- 0xdf, 0xda, 0xd7, 0xc2, 0x7d, 0xa7, 0x63, 0x38 }
-},
-
- /* PMAC-AES-128-20B */
-{
- 20,
- /* key */
- { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
- 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
- /* msg */
- { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
- 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
- 0x10, 0x11, 0x12, 0x13 },
- /* tag */
- { 0x04, 0x12, 0xca, 0x15, 0x0b, 0xbf, 0x79, 0x05,
- 0x8d, 0x8c, 0x75, 0xa5, 0x8c, 0x99, 0x3f, 0x55 }
-},
-
- /* PMAC-AES-128-32B */
-{
- 32,
- /* key */
- { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
- 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
- /* msg */
- { 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 },
- /* tag */
- { 0xe9, 0x7a, 0xc0, 0x4e, 0x9e, 0x5e, 0x33, 0x99,
- 0xce, 0x53, 0x55, 0xcd, 0x74, 0x07, 0xbc, 0x75 }
-},
-
- /* PMAC-AES-128-34B */
-{
- 34,
- /* key */
- { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
- 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
- /* msg */
- { 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 },
- /* tag */
- { 0x5c, 0xba, 0x7d, 0x5e, 0xb2, 0x4f, 0x7c, 0x86,
- 0xcc, 0xc5, 0x46, 0x04, 0xe5, 0x3d, 0x55, 0x12 }
-}
-
-};
- int err, x, idx;
- unsigned long len;
- unsigned char outtag[MAXBLOCKSIZE];
-
- /* 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++) {
- len = sizeof(outtag);
- if ((err = pmac_memory(idx, tests[x].key, 16, tests[x].msg, tests[x].msglen, outtag, &len)) != CRYPT_OK) {
- return err;
- }
-
- if (compare_testvector(outtag, len, tests[x].tag, sizeof(tests[x].tag), "PMAC", x)) {
- return CRYPT_FAIL_TESTVECTOR;
- }
- }
- return CRYPT_OK;
-#endif /* LTC_TEST */
-}
-
-#endif /* PMAC_MODE */
-
-
-
-
-/* ref: $Format:%D$ */
-/* git commit: $Format:%H$ */
-/* commit time: $Format:%ai$ */
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