summaryrefslogtreecommitdiffhomepage
path: root/libtomcrypt/src/encauth/eax
diff options
context:
space:
mode:
Diffstat (limited to 'libtomcrypt/src/encauth/eax')
-rw-r--r--libtomcrypt/src/encauth/eax/eax_addheader.c38
-rw-r--r--libtomcrypt/src/encauth/eax/eax_decrypt.c50
-rw-r--r--libtomcrypt/src/encauth/eax/eax_decrypt_verify_memory.c108
-rw-r--r--libtomcrypt/src/encauth/eax/eax_done.c94
-rw-r--r--libtomcrypt/src/encauth/eax/eax_encrypt.c51
-rw-r--r--libtomcrypt/src/encauth/eax/eax_encrypt_authenticate_memory.c82
-rw-r--r--libtomcrypt/src/encauth/eax/eax_init.c144
-rw-r--r--libtomcrypt/src/encauth/eax/eax_test.c282
8 files changed, 849 insertions, 0 deletions
diff --git a/libtomcrypt/src/encauth/eax/eax_addheader.c b/libtomcrypt/src/encauth/eax/eax_addheader.c
new file mode 100644
index 0000000..cfb325d
--- /dev/null
+++ b/libtomcrypt/src/encauth/eax/eax_addheader.c
@@ -0,0 +1,38 @@
+/* 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.org
+ */
+/**
+ @file eax_addheader.c
+ EAX implementation, add meta-data, by Tom St Denis
+*/
+#include "tomcrypt.h"
+
+#ifdef EAX_MODE
+
+/**
+ add header (metadata) to the stream
+ @param eax The current EAX state
+ @param header The header (meta-data) data you wish to add to the state
+ @param length The length of the header data
+ @return CRYPT_OK if successful
+*/
+int eax_addheader(eax_state *eax, const unsigned char *header,
+ unsigned long length)
+{
+ LTC_ARGCHK(eax != NULL);
+ LTC_ARGCHK(header != NULL);
+ return omac_process(&eax->headeromac, header, length);
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/encauth/eax/eax_addheader.c,v $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2005/05/05 14:35:58 $ */
diff --git a/libtomcrypt/src/encauth/eax/eax_decrypt.c b/libtomcrypt/src/encauth/eax/eax_decrypt.c
new file mode 100644
index 0000000..13e23cc
--- /dev/null
+++ b/libtomcrypt/src/encauth/eax/eax_decrypt.c
@@ -0,0 +1,50 @@
+/* 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.org
+ */
+
+/**
+ @file eax_decrypt.c
+ EAX implementation, decrypt block, by Tom St Denis
+*/
+#include "tomcrypt.h"
+
+#ifdef EAX_MODE
+
+/**
+ Decrypt data with the EAX protocol
+ @param eax The EAX state
+ @param ct The ciphertext
+ @param pt [out] The plaintext
+ @param length The length (octets) of the ciphertext
+ @return CRYPT_OK if successful
+*/
+int eax_decrypt(eax_state *eax, const unsigned char *ct, unsigned char *pt,
+ unsigned long length)
+{
+ int err;
+
+ LTC_ARGCHK(eax != NULL);
+ LTC_ARGCHK(pt != NULL);
+ LTC_ARGCHK(ct != NULL);
+
+ /* omac ciphertext */
+ if ((err = omac_process(&eax->ctomac, ct, length)) != CRYPT_OK) {
+ return err;
+ }
+
+ /* decrypt */
+ return ctr_decrypt(ct, pt, length, &eax->ctr);
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/encauth/eax/eax_decrypt.c,v $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2005/05/05 14:35:58 $ */
diff --git a/libtomcrypt/src/encauth/eax/eax_decrypt_verify_memory.c b/libtomcrypt/src/encauth/eax/eax_decrypt_verify_memory.c
new file mode 100644
index 0000000..d6d72ab
--- /dev/null
+++ b/libtomcrypt/src/encauth/eax/eax_decrypt_verify_memory.c
@@ -0,0 +1,108 @@
+/* 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.org
+ */
+
+/**
+ @file eax_decrypt_verify_memory.c
+ EAX implementation, decrypt block of memory, by Tom St Denis
+*/
+#include "tomcrypt.h"
+
+#ifdef EAX_MODE
+
+/**
+ Decrypt a block of memory and verify the provided MAC tag with EAX
+ @param cipher The index of the cipher desired
+ @param key The secret key
+ @param keylen The length of the key (octets)
+ @param nonce The nonce data (use once) for the session
+ @param noncelen The length of the nonce data.
+ @param header The session header data
+ @param headerlen The length of the header (octets)
+ @param ct The ciphertext
+ @param ctlen The length of the ciphertext (octets)
+ @param pt [out] The plaintext
+ @param tag The authentication tag provided by the encoder
+ @param taglen [in/out] The length of the tag (octets)
+ @param stat [out] The result of the decryption (1==valid tag, 0==invalid)
+ @return CRYPT_OK if successful regardless of the resulting tag comparison
+*/
+int eax_decrypt_verify_memory(int cipher,
+ const unsigned char *key, unsigned long keylen,
+ const unsigned char *nonce, unsigned long noncelen,
+ const unsigned char *header, unsigned long headerlen,
+ const unsigned char *ct, unsigned long ctlen,
+ unsigned char *pt,
+ unsigned char *tag, unsigned long taglen,
+ int *stat)
+{
+ int err;
+ eax_state *eax;
+ unsigned char *buf;
+ unsigned long buflen;
+
+ LTC_ARGCHK(stat != NULL);
+ LTC_ARGCHK(key != NULL);
+ LTC_ARGCHK(pt != NULL);
+ LTC_ARGCHK(ct != NULL);
+ LTC_ARGCHK(tag != NULL);
+
+ /* default to zero */
+ *stat = 0;
+
+ /* allocate ram */
+ buf = XMALLOC(taglen);
+ eax = XMALLOC(sizeof(*eax));
+ if (eax == NULL || buf == NULL) {
+ if (eax != NULL) {
+ XFREE(eax);
+ }
+ if (buf != NULL) {
+ XFREE(buf);
+ }
+ return CRYPT_MEM;
+ }
+
+ if ((err = eax_init(eax, cipher, key, keylen, nonce, noncelen, header, headerlen)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+
+ if ((err = eax_decrypt(eax, ct, pt, ctlen)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+
+ buflen = taglen;
+ if ((err = eax_done(eax, buf, &buflen)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+
+ /* compare tags */
+ if (buflen >= taglen && memcmp(buf, tag, taglen) == 0) {
+ *stat = 1;
+ }
+
+ err = CRYPT_OK;
+LBL_ERR:
+#ifdef LTC_CLEAN_STACK
+ zeromem(buf, taglen);
+ zeromem(eax, sizeof(*eax));
+#endif
+
+ XFREE(eax);
+ XFREE(buf);
+
+ return err;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/encauth/eax/eax_decrypt_verify_memory.c,v $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2005/05/05 14:35:58 $ */
diff --git a/libtomcrypt/src/encauth/eax/eax_done.c b/libtomcrypt/src/encauth/eax/eax_done.c
new file mode 100644
index 0000000..10e2c23
--- /dev/null
+++ b/libtomcrypt/src/encauth/eax/eax_done.c
@@ -0,0 +1,94 @@
+/* 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.org
+ */
+
+/**
+ @file eax_done.c
+ EAX implementation, terminate session, by Tom St Denis
+*/
+#include "tomcrypt.h"
+
+#ifdef EAX_MODE
+
+/**
+ Terminate an EAX session and get the tag.
+ @param eax The EAX state
+ @param tag [out] The destination of the authentication tag
+ @param taglen [in/out] The max length and resulting length of the authentication tag
+ @return CRYPT_OK if successful
+*/
+int eax_done(eax_state *eax, unsigned char *tag, unsigned long *taglen)
+{
+ int err;
+ unsigned char *headermac, *ctmac;
+ unsigned long x, len;
+
+ LTC_ARGCHK(eax != NULL);
+ LTC_ARGCHK(tag != NULL);
+ LTC_ARGCHK(taglen != NULL);
+
+ /* allocate ram */
+ headermac = XMALLOC(MAXBLOCKSIZE);
+ ctmac = XMALLOC(MAXBLOCKSIZE);
+
+ if (headermac == NULL || ctmac == NULL) {
+ if (headermac != NULL) {
+ XFREE(headermac);
+ }
+ if (ctmac != NULL) {
+ XFREE(ctmac);
+ }
+ return CRYPT_MEM;
+ }
+
+ /* finish ctomac */
+ len = MAXBLOCKSIZE;
+ if ((err = omac_done(&eax->ctomac, ctmac, &len)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+
+ /* finish headeromac */
+
+ /* note we specifically don't reset len so the two lens are minimal */
+
+ if ((err = omac_done(&eax->headeromac, headermac, &len)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+
+ /* terminate the CTR chain */
+ if ((err = ctr_done(&eax->ctr)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+
+ /* compute N xor H xor C */
+ for (x = 0; x < len && x < *taglen; x++) {
+ tag[x] = eax->N[x] ^ headermac[x] ^ ctmac[x];
+ }
+ *taglen = x;
+
+ err = CRYPT_OK;
+LBL_ERR:
+#ifdef LTC_CLEAN_STACK
+ zeromem(ctmac, MAXBLOCKSIZE);
+ zeromem(headermac, MAXBLOCKSIZE);
+ zeromem(eax, sizeof(*eax));
+#endif
+
+ XFREE(ctmac);
+ XFREE(headermac);
+
+ return err;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/encauth/eax/eax_done.c,v $ */
+/* $Revision: 1.4 $ */
+/* $Date: 2005/05/05 14:35:58 $ */
diff --git a/libtomcrypt/src/encauth/eax/eax_encrypt.c b/libtomcrypt/src/encauth/eax/eax_encrypt.c
new file mode 100644
index 0000000..a646588
--- /dev/null
+++ b/libtomcrypt/src/encauth/eax/eax_encrypt.c
@@ -0,0 +1,51 @@
+/* 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.org
+ */
+
+/**
+ @file eax_encrypt.c
+ EAX implementation, encrypt block by Tom St Denis
+*/
+#include "tomcrypt.h"
+
+#ifdef EAX_MODE
+
+/**
+ Encrypt with EAX a block of data.
+ @param eax The EAX state
+ @param pt The plaintext to encrypt
+ @param ct [out] The ciphertext as encrypted
+ @param length The length of the plaintext (octets)
+ @return CRYPT_OK if successful
+*/
+int eax_encrypt(eax_state *eax, const unsigned char *pt, unsigned char *ct,
+ unsigned long length)
+{
+ int err;
+
+ LTC_ARGCHK(eax != NULL);
+ LTC_ARGCHK(pt != NULL);
+ LTC_ARGCHK(ct != NULL);
+
+ /* encrypt */
+ if ((err = ctr_encrypt(pt, ct, length, &eax->ctr)) != CRYPT_OK) {
+ return err;
+ }
+
+ /* omac ciphertext */
+ return omac_process(&eax->ctomac, ct, length);
+}
+
+#endif
+
+
+/* $Source: /cvs/libtom/libtomcrypt/src/encauth/eax/eax_encrypt.c,v $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2005/05/05 14:35:58 $ */
diff --git a/libtomcrypt/src/encauth/eax/eax_encrypt_authenticate_memory.c b/libtomcrypt/src/encauth/eax/eax_encrypt_authenticate_memory.c
new file mode 100644
index 0000000..9760616
--- /dev/null
+++ b/libtomcrypt/src/encauth/eax/eax_encrypt_authenticate_memory.c
@@ -0,0 +1,82 @@
+/* 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.org
+ */
+
+/**
+ @file eax_encrypt_authenticate_memory.c
+ EAX implementation, encrypt a block of memory, by Tom St Denis
+*/
+#include "tomcrypt.h"
+
+#ifdef EAX_MODE
+
+/**
+ EAX encrypt and produce an authentication tag
+ @param cipher The index of the cipher desired
+ @param key The secret key to use
+ @param keylen The length of the secret key (octets)
+ @param nonce The session nonce [use once]
+ @param noncelen The length of the nonce
+ @param header The header for the session
+ @param headerlen The length of the header (octets)
+ @param pt The plaintext
+ @param ptlen The length of the plaintext (octets)
+ @param ct [out] The ciphertext
+ @param tag [out] The destination tag
+ @param taglen [in/out] The max size and resulting size of the authentication tag
+ @return CRYPT_OK if successful
+*/
+int eax_encrypt_authenticate_memory(int cipher,
+ const unsigned char *key, unsigned long keylen,
+ const unsigned char *nonce, unsigned long noncelen,
+ const unsigned char *header, unsigned long headerlen,
+ const unsigned char *pt, unsigned long ptlen,
+ unsigned char *ct,
+ unsigned char *tag, unsigned long *taglen)
+{
+ int err;
+ eax_state *eax;
+
+ LTC_ARGCHK(key != NULL);
+ LTC_ARGCHK(pt != NULL);
+ LTC_ARGCHK(ct != NULL);
+ LTC_ARGCHK(tag != NULL);
+ LTC_ARGCHK(taglen != NULL);
+
+ eax = XMALLOC(sizeof(*eax));
+
+ if ((err = eax_init(eax, cipher, key, keylen, nonce, noncelen, header, headerlen)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+
+ if ((err = eax_encrypt(eax, pt, ct, ptlen)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+
+ if ((err = eax_done(eax, tag, taglen)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+
+ err = CRYPT_OK;
+LBL_ERR:
+#ifdef LTC_CLEAN_STACK
+ zeromem(eax, sizeof(*eax));
+#endif
+
+ XFREE(eax);
+
+ return err;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/encauth/eax/eax_encrypt_authenticate_memory.c,v $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2005/05/05 14:35:58 $ */
diff --git a/libtomcrypt/src/encauth/eax/eax_init.c b/libtomcrypt/src/encauth/eax/eax_init.c
new file mode 100644
index 0000000..942b25f
--- /dev/null
+++ b/libtomcrypt/src/encauth/eax/eax_init.c
@@ -0,0 +1,144 @@
+/* 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.org
+ */
+
+/**
+ @file eax_init.c
+ EAX implementation, initialized EAX state, by Tom St Denis
+*/
+#include "tomcrypt.h"
+
+#ifdef EAX_MODE
+
+/**
+ Initialized an EAX state
+ @param eax [out] The EAX 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)
+ @param nonce The use-once nonce for the session
+ @param noncelen The length of the nonce (octets)
+ @param header The header for the EAX state
+ @param headerlen The header length (octets)
+ @return CRYPT_OK if successful
+*/
+int eax_init(eax_state *eax, int cipher,
+ const unsigned char *key, unsigned long keylen,
+ const unsigned char *nonce, unsigned long noncelen,
+ const unsigned char *header, unsigned long headerlen)
+{
+ unsigned char *buf;
+ int err, blklen;
+ omac_state *omac;
+ unsigned long len;
+
+
+ LTC_ARGCHK(eax != NULL);
+ LTC_ARGCHK(key != NULL);
+ LTC_ARGCHK(nonce != NULL);
+ if (headerlen > 0) {
+ LTC_ARGCHK(header != NULL);
+ }
+
+ if ((err = cipher_is_valid(cipher)) != CRYPT_OK) {
+ return err;
+ }
+ blklen = cipher_descriptor[cipher].block_length;
+
+ /* allocate ram */
+ buf = XMALLOC(MAXBLOCKSIZE);
+ omac = XMALLOC(sizeof(*omac));
+
+ if (buf == NULL || omac == NULL) {
+ if (buf != NULL) {
+ XFREE(buf);
+ }
+ if (omac != NULL) {
+ XFREE(omac);
+ }
+ return CRYPT_MEM;
+ }
+
+ /* N = OMAC_0K(nonce) */
+ zeromem(buf, MAXBLOCKSIZE);
+ if ((err = omac_init(omac, cipher, key, keylen)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+
+ /* omac the [0]_n */
+ if ((err = omac_process(omac, buf, blklen)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+ /* omac the nonce */
+ if ((err = omac_process(omac, nonce, noncelen)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+ /* store result */
+ len = sizeof(eax->N);
+ if ((err = omac_done(omac, eax->N, &len)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+
+ /* H = OMAC_1K(header) */
+ zeromem(buf, MAXBLOCKSIZE);
+ buf[blklen - 1] = 1;
+
+ if ((err = omac_init(&eax->headeromac, cipher, key, keylen)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+
+ /* omac the [1]_n */
+ if ((err = omac_process(&eax->headeromac, buf, blklen)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+ /* omac the header */
+ if (headerlen != 0) {
+ if ((err = omac_process(&eax->headeromac, header, headerlen)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+ }
+
+ /* note we don't finish the headeromac, this allows us to add more header later */
+
+ /* setup the CTR mode */
+ if ((err = ctr_start(cipher, eax->N, key, keylen, 0, CTR_COUNTER_BIG_ENDIAN, &eax->ctr)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+
+ /* setup the OMAC for the ciphertext */
+ if ((err = omac_init(&eax->ctomac, cipher, key, keylen)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+
+ /* omac [2]_n */
+ zeromem(buf, MAXBLOCKSIZE);
+ buf[blklen-1] = 2;
+ if ((err = omac_process(&eax->ctomac, buf, blklen)) != CRYPT_OK) {
+ goto LBL_ERR;
+ }
+
+ err = CRYPT_OK;
+LBL_ERR:
+#ifdef LTC_CLEAN_STACK
+ zeromem(buf, MAXBLOCKSIZE);
+ zeromem(omac, sizeof(*omac));
+#endif
+
+ XFREE(omac);
+ XFREE(buf);
+
+ return err;
+}
+
+#endif
+
+/* $Source: /cvs/libtom/libtomcrypt/src/encauth/eax/eax_init.c,v $ */
+/* $Revision: 1.4 $ */
+/* $Date: 2005/05/05 14:35:58 $ */
diff --git a/libtomcrypt/src/encauth/eax/eax_test.c b/libtomcrypt/src/encauth/eax/eax_test.c
new file mode 100644
index 0000000..b08f5ab
--- /dev/null
+++ b/libtomcrypt/src/encauth/eax/eax_test.c
@@ -0,0 +1,282 @@
+/* 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.org
+ */
+
+/**
+ @file eax_test.c
+ EAX implementation, self-test, by Tom St Denis
+*/
+#include "tomcrypt.h"
+
+#ifdef EAX_MODE
+
+/**
+ Test the EAX implementation
+ @return CRYPT_OK if successful, CRYPT_NOP if self-testing has been disabled
+*/
+int eax_test(void)
+{
+#ifndef LTC_TEST
+ return CRYPT_NOP;
+#else
+ static const struct {
+ int keylen,
+ noncelen,
+ headerlen,
+ msglen;
+
+ unsigned char key[MAXBLOCKSIZE],
+ nonce[MAXBLOCKSIZE],
+ header[MAXBLOCKSIZE],
+ plaintext[MAXBLOCKSIZE],
+ ciphertext[MAXBLOCKSIZE],
+ tag[MAXBLOCKSIZE];
+ } tests[] = {
+
+/* NULL message */
+{
+ 16, 0, 0, 0,
+ /* key */
+ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
+ /* nonce */
+ { 0 },
+ /* header */
+ { 0 },
+ /* plaintext */
+ { 0 },
+ /* ciphertext */
+ { 0 },
+ /* tag */
+ { 0x9a, 0xd0, 0x7e, 0x7d, 0xbf, 0xf3, 0x01, 0xf5,
+ 0x05, 0xde, 0x59, 0x6b, 0x96, 0x15, 0xdf, 0xff }
+},
+
+/* test with nonce */
+{
+ 16, 16, 0, 0,
+ /* key */
+ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
+ /* nonce */
+ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
+ /* header */
+ { 0 },
+ /* plaintext */
+ { 0 },
+ /* ciphertext */
+ { 0 },
+ /* tag */
+ { 0x1c, 0xe1, 0x0d, 0x3e, 0xff, 0xd4, 0xca, 0xdb,
+ 0xe2, 0xe4, 0x4b, 0x58, 0xd6, 0x0a, 0xb9, 0xec }
+},
+
+/* test with header [no nonce] */
+{
+ 16, 0, 16, 0,
+ /* key */
+ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
+ /* nonce */
+ { 0 },
+ /* header */
+ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
+ /* plaintext */
+ { 0 },
+ /* ciphertext */
+ { 0 },
+ /* tag */
+ { 0x3a, 0x69, 0x8f, 0x7a, 0x27, 0x0e, 0x51, 0xb0,
+ 0xf6, 0x5b, 0x3d, 0x3e, 0x47, 0x19, 0x3c, 0xff }
+},
+
+/* test with header + nonce + plaintext */
+{
+ 16, 16, 16, 32,
+ /* key */
+ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
+ /* nonce */
+ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
+ /* header */
+ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
+ /* plaintext */
+ { 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 },
+ /* ciphertext */
+ { 0x29, 0xd8, 0x78, 0xd1, 0xa3, 0xbe, 0x85, 0x7b,
+ 0x6f, 0xb8, 0xc8, 0xea, 0x59, 0x50, 0xa7, 0x78,
+ 0x33, 0x1f, 0xbf, 0x2c, 0xcf, 0x33, 0x98, 0x6f,
+ 0x35, 0xe8, 0xcf, 0x12, 0x1d, 0xcb, 0x30, 0xbc },
+ /* tag */
+ { 0x4f, 0xbe, 0x03, 0x38, 0xbe, 0x1c, 0x8c, 0x7e,
+ 0x1d, 0x7a, 0xe7, 0xe4, 0x5b, 0x92, 0xc5, 0x87 }
+},
+
+/* test with header + nonce + plaintext [not even sizes!] */
+{
+ 16, 15, 14, 29,
+ /* key */
+ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f },
+ /* nonce */
+ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e },
+ /* header */
+ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d },
+ /* plaintext */
+ { 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 },
+ /* ciphertext */
+ { 0xdd, 0x25, 0xc7, 0x54, 0xc5, 0xb1, 0x7c, 0x59,
+ 0x28, 0xb6, 0x9b, 0x73, 0x15, 0x5f, 0x7b, 0xb8,
+ 0x88, 0x8f, 0xaf, 0x37, 0x09, 0x1a, 0xd9, 0x2c,
+ 0x8a, 0x24, 0xdb, 0x86, 0x8b },
+ /* tag */
+ { 0x0d, 0x1a, 0x14, 0xe5, 0x22, 0x24, 0xff, 0xd2,
+ 0x3a, 0x05, 0xfa, 0x02, 0xcd, 0xef, 0x52, 0xda }
+},
+
+/* Vectors from Brian Gladman */
+
+{
+ 16, 16, 8, 0,
+ /* key */
+ { 0x23, 0x39, 0x52, 0xde, 0xe4, 0xd5, 0xed, 0x5f,
+ 0x9b, 0x9c, 0x6d, 0x6f, 0xf8, 0x0f, 0xf4, 0x78 },
+ /* nonce */
+ { 0x62, 0xec, 0x67, 0xf9, 0xc3, 0xa4, 0xa4, 0x07,
+ 0xfc, 0xb2, 0xa8, 0xc4, 0x90, 0x31, 0xa8, 0xb3 },
+ /* header */
+ { 0x6b, 0xfb, 0x91, 0x4f, 0xd0, 0x7e, 0xae, 0x6b },
+ /* PT */
+ { 0x00 },
+ /* CT */
+ { 0x00 },
+ /* tag */
+ { 0xe0, 0x37, 0x83, 0x0e, 0x83, 0x89, 0xf2, 0x7b,
+ 0x02, 0x5a, 0x2d, 0x65, 0x27, 0xe7, 0x9d, 0x01 }
+},
+
+{
+ 16, 16, 8, 2,
+ /* key */
+ { 0x91, 0x94, 0x5d, 0x3f, 0x4d, 0xcb, 0xee, 0x0b,
+ 0xf4, 0x5e, 0xf5, 0x22, 0x55, 0xf0, 0x95, 0xa4 },
+ /* nonce */
+ { 0xbe, 0xca, 0xf0, 0x43, 0xb0, 0xa2, 0x3d, 0x84,
+ 0x31, 0x94, 0xba, 0x97, 0x2c, 0x66, 0xde, 0xbd },
+ /* header */
+ { 0xfa, 0x3b, 0xfd, 0x48, 0x06, 0xeb, 0x53, 0xfa },
+ /* PT */
+ { 0xf7, 0xfb },
+ /* CT */
+ { 0x19, 0xdd },
+ /* tag */
+ { 0x5c, 0x4c, 0x93, 0x31, 0x04, 0x9d, 0x0b, 0xda,
+ 0xb0, 0x27, 0x74, 0x08, 0xf6, 0x79, 0x67, 0xe5 }
+},
+
+{
+ 16, 16, 8, 5,
+ /* key */
+ { 0x01, 0xf7, 0x4a, 0xd6, 0x40, 0x77, 0xf2, 0xe7,
+ 0x04, 0xc0, 0xf6, 0x0a, 0xda, 0x3d, 0xd5, 0x23 },
+ /* nonce */
+ { 0x70, 0xc3, 0xdb, 0x4f, 0x0d, 0x26, 0x36, 0x84,
+ 0x00, 0xa1, 0x0e, 0xd0, 0x5d, 0x2b, 0xff, 0x5e },
+ /* header */
+ { 0x23, 0x4a, 0x34, 0x63, 0xc1, 0x26, 0x4a, 0xc6 },
+ /* PT */
+ { 0x1a, 0x47, 0xcb, 0x49, 0x33 },
+ /* CT */
+ { 0xd8, 0x51, 0xd5, 0xba, 0xe0 },
+ /* Tag */
+ { 0x3a, 0x59, 0xf2, 0x38, 0xa2, 0x3e, 0x39, 0x19,
+ 0x9d, 0xc9, 0x26, 0x66, 0x26, 0xc4, 0x0f, 0x80 }
+}
+
+};
+ int err, x, idx, res;
+ unsigned long len;
+ unsigned char outct[MAXBLOCKSIZE], 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 = eax_encrypt_authenticate_memory(idx, tests[x].key, tests[x].keylen,
+ tests[x].nonce, tests[x].noncelen, tests[x].header, tests[x].headerlen,
+ tests[x].plaintext, tests[x].msglen, outct, outtag, &len)) != CRYPT_OK) {
+ return err;
+ }
+ if (memcmp(outct, tests[x].ciphertext, tests[x].msglen) || memcmp(outtag, tests[x].tag, len)) {
+#if 0
+ unsigned long y;
+ printf("\n\nFailure: \nCT:\n");
+ for (y = 0; y < (unsigned long)tests[x].msglen; ) {
+ printf("0x%02x", outct[y]);
+ if (y < (unsigned long)(tests[x].msglen-1)) printf(", ");
+ if (!(++y % 8)) printf("\n");
+ }
+ printf("\nTAG:\n");
+ for (y = 0; y < len; ) {
+ printf("0x%02x", outtag[y]);
+ if (y < len-1) printf(", ");
+ if (!(++y % 8)) printf("\n");
+ }
+#endif
+ return CRYPT_FAIL_TESTVECTOR;
+ }
+
+ /* test decrypt */
+ if ((err = eax_decrypt_verify_memory(idx, tests[x].key, tests[x].keylen,
+ tests[x].nonce, tests[x].noncelen, tests[x].header, tests[x].headerlen,
+ outct, tests[x].msglen, outct, outtag, len, &res)) != CRYPT_OK) {
+ return err;
+ }
+ if ((res != 1) || memcmp(outct, tests[x].plaintext, tests[x].msglen)) {
+#if 0
+ unsigned long y;
+ printf("\n\nFailure (res == %d): \nPT:\n", res);
+ for (y = 0; y < (unsigned long)tests[x].msglen; ) {
+ printf("0x%02x", outct[y]);
+ if (y < (unsigned long)(tests[x].msglen-1)) printf(", ");
+ if (!(++y % 8)) printf("\n");
+ }
+ printf("\n\n");
+#endif
+ return CRYPT_FAIL_TESTVECTOR;
+ }
+
+ }
+ return CRYPT_OK;
+#endif /* LTC_TEST */
+}
+
+#endif /* EAX_MODE */
+
+/* $Source: /cvs/libtom/libtomcrypt/src/encauth/eax/eax_test.c,v $ */
+/* $Revision: 1.3 $ */
+/* $Date: 2005/05/05 14:35:58 $ */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 16:23:52 +0000