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authorMatt Johnston <matt@ucc.asn.au>2007-02-03 08:20:30 +0000
committerMatt Johnston <matt@ucc.asn.au>2007-02-03 08:20:30 +0000
commitc5fd7dd5548f28e32d846e39d17e5c4de4e769af (patch)
tree81b522e272facfb27ff614936b4988bf6569ef2d /libtomcrypt/src/mac/f9
parent5092e30605dfc5c45990d91cf606990e5c768255 (diff)
parent4a5208512ba02f735acbf7e948ed02353583581e (diff)
merge of '1250b8af44b62d8f4fe0f8d9fc7e7a1cc34e7e1c'
and '7f8670ac3bb975f40967f3979d09d2199b7e90c8' --HG-- extra : convert_revision : 6b61c50f4cf888bea302ac8fcf5dbb573b443251
Diffstat (limited to 'libtomcrypt/src/mac/f9')
-rw-r--r--libtomcrypt/src/mac/f9/f9_done.c77
-rw-r--r--libtomcrypt/src/mac/f9/f9_file.c83
-rw-r--r--libtomcrypt/src/mac/f9/f9_init.c70
-rw-r--r--libtomcrypt/src/mac/f9/f9_memory.c71
-rw-r--r--libtomcrypt/src/mac/f9/f9_memory_multi.c90
-rw-r--r--libtomcrypt/src/mac/f9/f9_process.c78
-rw-r--r--libtomcrypt/src/mac/f9/f9_test.c78
7 files changed, 547 insertions, 0 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 $ */
+