mac/hmac/hmac_memory_multi.o \
mac/hmac/hmac_process.o \
mac/hmac/hmac_test.o \
- mac/omac/omac_done.o \
- mac/omac/omac_file.o \
- mac/omac/omac_init.o \
- mac/omac/omac_memory.o \
- mac/omac/omac_memory_multi.o \
- mac/omac/omac_process.o \
misc/crypt/crypt_find_prng.o \
- mac/omac/omac_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 omac_done.c
- OMAC1 support, terminate a stream, Tom St Denis
-*/
-
-#ifdef LTC_OMAC
-
-/**
- Terminate an OMAC stream
- @param omac The OMAC state
- @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 omac_done(omac_state *omac, unsigned char *out, unsigned long *outlen)
-{
- int err, mode;
- unsigned x;
-
- LTC_ARGCHK(omac != NULL);
- LTC_ARGCHK(out != NULL);
- LTC_ARGCHK(outlen != NULL);
- if ((err = cipher_is_valid(omac->cipher_idx)) != CRYPT_OK) {
- return err;
- }
-
- if ((omac->buflen > (int)sizeof(omac->block)) || (omac->buflen < 0) ||
- (omac->blklen > (int)sizeof(omac->block)) || (omac->buflen > omac->blklen)) {
- return CRYPT_INVALID_ARG;
- }
-
- /* figure out mode */
- if (omac->buflen != omac->blklen) {
- /* add the 0x80 byte */
- omac->block[omac->buflen++] = 0x80;
-
- /* pad with 0x00 */
- while (omac->buflen < omac->blklen) {
- omac->block[omac->buflen++] = 0x00;
- }
- mode = 1;
- } else {
- mode = 0;
- }
-
- /* now xor prev + Lu[mode] */
- for (x = 0; x < (unsigned)omac->blklen; x++) {
- omac->block[x] ^= omac->prev[x] ^ omac->Lu[mode][x];
- }
-
- /* encrypt it */
- 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 */
- for (x = 0; x < (unsigned)omac->blklen && x < *outlen; x++) {
- out[x] = omac->block[x];
- }
- *outlen = x;
-
-#ifdef LTC_CLEAN_STACK
- zeromem(omac, sizeof(*omac));
-#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 omac_file.c
- OMAC1 support, process a file, Tom St Denis
-*/
-
-#ifdef LTC_OMAC
-
-/**
- OMAC 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 OMAC
- @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 omac_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;
- omac_state omac;
- 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 = omac_init(&omac, 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 = omac_process(&omac, 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 = omac_done(&omac, out, outlen);
-
-LBL_CLEANBUF:
- zeromem(buf, LTC_FILE_READ_BUFSIZE);
-LBL_ERR:
-#ifdef LTC_CLEAN_STACK
- zeromem(&omac, sizeof(omac_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 omac_init.c
- OMAC1 support, initialize state, by Tom St Denis
-*/
-
-
-#ifdef LTC_OMAC
-
-/**
- Initialize an OMAC state
- @param omac The OMAC 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 omac_init(omac_state *omac, int cipher, const unsigned char *key, unsigned long keylen)
-{
- int err, x, y, mask, msb, len;
-
- LTC_ARGCHK(omac != 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
-
- /* now setup the system */
- switch (cipher_descriptor[cipher].block_length) {
- case 8: mask = 0x1B;
- len = 8;
- break;
- case 16: mask = 0x87;
- len = 16;
- break;
- default: return CRYPT_INVALID_ARG;
- }
-
- if ((err = cipher_descriptor[cipher].setup(key, keylen, 0, &omac->key)) != CRYPT_OK) {
- return err;
- }
-
- /* ok now we need Lu and Lu^2 [calc one from the other] */
-
- /* first calc L which is Ek(0) */
- zeromem(omac->Lu[0], cipher_descriptor[cipher].block_length);
- 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++) {
- /* if msb(L * u^(x+1)) = 0 then just shift, otherwise shift and xor constant mask */
- msb = omac->Lu[x][0] >> 7;
-
- /* shift left */
- for (y = 0; y < (len - 1); y++) {
- omac->Lu[x][y] = ((omac->Lu[x][y] << 1) | (omac->Lu[x][y+1] >> 7)) & 255;
- }
- omac->Lu[x][len - 1] = ((omac->Lu[x][len - 1] << 1) ^ (msb ? mask : 0)) & 255;
-
- /* copy up as require */
- if (x == 0) {
- XMEMCPY(omac->Lu[1], omac->Lu[0], sizeof(omac->Lu[0]));
- }
- }
-
- /* setup state */
- omac->cipher_idx = cipher;
- omac->buflen = 0;
- omac->blklen = len;
- zeromem(omac->prev, sizeof(omac->prev));
- zeromem(omac->block, sizeof(omac->block));
-
- 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 omac_memory.c
- OMAC1 support, process a block of memory, Tom St Denis
-*/
-
-#ifdef LTC_OMAC
-
-/**
- OMAC a block 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 in The data to send through OMAC
- @param inlen The length of the data to send through OMAC (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)
- @return CRYPT_OK if successful
-*/
-int omac_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;
- omac_state *omac;
-
- LTC_ARGCHK(key != NULL);
- LTC_ARGCHK(in != NULL);
- 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) {
- return CRYPT_MEM;
- }
-
- /* omac process the message */
- if ((err = omac_init(omac, cipher, key, keylen)) != CRYPT_OK) {
- goto LBL_ERR;
- }
- if ((err = omac_process(omac, in, inlen)) != CRYPT_OK) {
- goto LBL_ERR;
- }
- if ((err = omac_done(omac, out, outlen)) != CRYPT_OK) {
- goto LBL_ERR;
- }
-
- err = CRYPT_OK;
-LBL_ERR:
-#ifdef LTC_CLEAN_STACK
- zeromem(omac, sizeof(omac_state));
-#endif
-
- XFREE(omac);
- 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 omac_memory_multi.c
- OMAC1 support, process multiple blocks of memory, Tom St Denis
-*/
-
-#ifdef LTC_OMAC
-
-/**
- OMAC 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 OMAC
- @param inlen The length of the data to send through OMAC (octets)
- @param ... tuples of (data,len) pairs to OMAC, terminated with a (NULL,x) (x=don't care)
- @return CRYPT_OK if successful
-*/
-int omac_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;
- omac_state *omac;
- 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 omac state */
- omac = XMALLOC(sizeof(omac_state));
- if (omac == NULL) {
- return CRYPT_MEM;
- }
-
- /* omac process the message */
- if ((err = omac_init(omac, cipher, key, keylen)) != CRYPT_OK) {
- goto LBL_ERR;
- }
- va_start(args, inlen);
- curptr = in;
- curlen = inlen;
- for (;;) {
- /* process buf */
- if ((err = omac_process(omac, 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 = omac_done(omac, out, outlen)) != CRYPT_OK) {
- goto LBL_ERR;
- }
-LBL_ERR:
-#ifdef LTC_CLEAN_STACK
- zeromem(omac, sizeof(omac_state));
-#endif
- XFREE(omac);
- 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 omac_process.c
- OMAC1 support, process data, Tom St Denis
-*/
-
-
-#ifdef LTC_OMAC
-
-/**
- Process data through OMAC
- @param omac The OMAC state
- @param in The input data to send through OMAC
- @param inlen The length of the input (octets)
- @return CRYPT_OK if successful
-*/
-int omac_process(omac_state *omac, const unsigned char *in, unsigned long inlen)
-{
- unsigned long n, x;
- int err;
-
- LTC_ARGCHK(omac != NULL);
- LTC_ARGCHK(in != NULL);
- if ((err = cipher_is_valid(omac->cipher_idx)) != CRYPT_OK) {
- return err;
- }
-
- if ((omac->buflen > (int)sizeof(omac->block)) || (omac->buflen < 0) ||
- (omac->blklen > (int)sizeof(omac->block)) || (omac->buflen > omac->blklen)) {
- return CRYPT_INVALID_ARG;
- }
-
-#ifdef LTC_FAST
- {
- unsigned long blklen = cipher_descriptor[omac->cipher_idx].block_length;
-
- if (omac->buflen == 0 && inlen > blklen) {
- unsigned long y;
- for (x = 0; x < (inlen - blklen); x += blklen) {
- for (y = 0; y < blklen; y += sizeof(LTC_FAST_TYPE)) {
- *(LTC_FAST_TYPE_PTR_CAST(&omac->prev[y])) ^= *(LTC_FAST_TYPE_PTR_CAST(&in[y]));
- }
- in += blklen;
- if ((err = cipher_descriptor[omac->cipher_idx].ecb_encrypt(omac->prev, omac->prev, &omac->key)) != CRYPT_OK) {
- return err;
- }
- }
- inlen -= x;
- }
- }
-#endif
-
- while (inlen != 0) {
- /* ok if the block is full we xor in prev, encrypt and replace prev */
- if (omac->buflen == omac->blklen) {
- for (x = 0; x < (unsigned long)omac->blklen; x++) {
- omac->block[x] ^= omac->prev[x];
- }
- if ((err = cipher_descriptor[omac->cipher_idx].ecb_encrypt(omac->block, omac->prev, &omac->key)) != CRYPT_OK) {
- return err;
- }
- omac->buflen = 0;
- }
-
- /* add bytes */
- n = MIN(inlen, (unsigned long)(omac->blklen - omac->buflen));
- XMEMCPY(omac->block + omac->buflen, in, n);
- omac->buflen += n;
- inlen -= n;
- in += n;
- }
-
- 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 omac_test.c
- OMAC1 support, self-test, by Tom St Denis
-*/
-
-#ifdef LTC_OMAC
-
-/**
- Test the OMAC setup
- @return CRYPT_OK if successful, CRYPT_NOP if tests have been disabled
-*/
-int omac_test(void)
-{
-#if !defined(LTC_TEST)
- return CRYPT_NOP;
-#else
- static const struct {
- int keylen, msglen;
- unsigned char key[16], msg[64], tag[16];
- } tests[] = {
- { 16, 0,
- { 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
- 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c },
- { 0x00 },
- { 0xbb, 0x1d, 0x69, 0x29, 0xe9, 0x59, 0x37, 0x28,
- 0x7f, 0xa3, 0x7d, 0x12, 0x9b, 0x75, 0x67, 0x46 }
- },
- { 16, 16,
- { 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
- 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c },
- { 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
- 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a },
- { 0x07, 0x0a, 0x16, 0xb4, 0x6b, 0x4d, 0x41, 0x44,
- 0xf7, 0x9b, 0xdd, 0x9d, 0xd0, 0x4a, 0x28, 0x7c }
- },
- { 16, 40,
- { 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
- 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c },
- { 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
- 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
- 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
- 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
- 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11 },
- { 0xdf, 0xa6, 0x67, 0x47, 0xde, 0x9a, 0xe6, 0x30,
- 0x30, 0xca, 0x32, 0x61, 0x14, 0x97, 0xc8, 0x27 }
- },
- { 16, 64,
- { 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
- 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c },
- { 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
- 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
- 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
- 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
- 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
- 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
- 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
- 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 },
- { 0x51, 0xf0, 0xbe, 0xbf, 0x7e, 0x3b, 0x9d, 0x92,
- 0xfc, 0x49, 0x74, 0x17, 0x79, 0x36, 0x3c, 0xfe }
- }
-
- };
- unsigned char out[16];
- int x, err, idx;
- unsigned long len;
-
-
- /* 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(out);
- if ((err = omac_memory(idx, tests[x].key, tests[x].keylen, tests[x].msg, tests[x].msglen, out, &len)) != CRYPT_OK) {
- return err;
- }
-
- if (compare_testvector(out, len, tests[x].tag, sizeof(tests[x].tag), "OMAC", x) != 0) {
- return CRYPT_FAIL_TESTVECTOR;
- }
- }
- return CRYPT_OK;
-#endif
-}
-
-#endif
-
-/* ref: $Format:%D$ */
-/* git commit: $Format:%H$ */
-/* commit time: $Format:%ai$ */