--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/encauth/eax/eax_test.c	Sun May 08 06:36:47 2005 +0000
@@ -0,0 +1,278 @@
+/* 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, [email protected], 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 */