--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/encauth/gcm/gcm_test.c	Fri May 06 13:23:02 2005 +0000
@@ -0,0 +1,365 @@
+/* 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 gcm_test.c
+   GCM implementation, testing, by Tom St Denis
+*/
+#include "tomcrypt.h"
+
+#ifdef GCM_MODE
+
+/** 
+  Test the GCM code
+  @return CRYPT_OK on success
+ */
+int gcm_test(void)
+{
+#ifndef LTC_TEST
+   return CRYPT_NOP;
+#else
+   static const struct {
+       unsigned char K[32];
+       int           keylen;
+       unsigned char P[64];
+       unsigned long ptlen;
+		 unsigned char A[64];
+       unsigned long alen;
+       unsigned char IV[64];
+       unsigned long IVlen;
+       unsigned char C[64];
+       unsigned char T[16];
+   } tests[] = {
+
+/* test case #1 */
+{
+  /* key */
+  { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+  16,
+
+  /* plaintext */
+  { 0 },
+  0,
+
+  /* AAD data */
+  { 0 },
+  0,
+
+  /* IV */
+  { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00 },
+  12,
+
+  /* ciphertext  */
+  { 0 },
+
+  /* tag */
+  { 0x58, 0xe2, 0xfc, 0xce, 0xfa, 0x7e, 0x30, 0x61,
+    0x36, 0x7f, 0x1d, 0x57, 0xa4, 0xe7, 0x45, 0x5a }
+},
+
+/* test case #2 */
+{
+  /* key */
+  { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+  16,
+
+  /* PT */
+  { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+  16,
+
+  /* ADATA */
+  { 0 },
+  0,
+
+  /* IV */
+  { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00 },
+  12,
+
+  /* CT */
+  { 0x03, 0x88, 0xda, 0xce, 0x60, 0xb6, 0xa3, 0x92,
+    0xf3, 0x28, 0xc2, 0xb9, 0x71, 0xb2, 0xfe, 0x78 },
+
+  /* TAG */
+  { 0xab, 0x6e, 0x47, 0xd4, 0x2c, 0xec, 0x13, 0xbd,
+    0xf5, 0x3a, 0x67, 0xb2, 0x12, 0x57, 0xbd, 0xdf }
+},
+
+/* test case #3 */
+{
+   /* key */
+   { 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c, 
+     0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08, },
+   16,
+
+   /* PT */
+   { 0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5, 
+     0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a, 
+     0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda, 
+     0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72, 
+     0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53, 
+     0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25, 
+     0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57, 
+     0xba, 0x63, 0x7b, 0x39, 0x1a, 0xaf, 0xd2, 0x55, },
+  64,
+
+  /* ADATA */
+  { 0 },
+  0,
+
+  /* IV */
+  { 0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce, 0xdb, 0xad, 
+    0xde, 0xca, 0xf8, 0x88,  },
+  12,
+ 
+  /* CT */
+  { 0x42, 0x83, 0x1e, 0xc2, 0x21, 0x77, 0x74, 0x24, 
+    0x4b, 0x72, 0x21, 0xb7, 0x84, 0xd0, 0xd4, 0x9c, 
+    0xe3, 0xaa, 0x21, 0x2f, 0x2c, 0x02, 0xa4, 0xe0, 
+    0x35, 0xc1, 0x7e, 0x23, 0x29, 0xac, 0xa1, 0x2e, 
+    0x21, 0xd5, 0x14, 0xb2, 0x54, 0x66, 0x93, 0x1c, 
+    0x7d, 0x8f, 0x6a, 0x5a, 0xac, 0x84, 0xaa, 0x05, 
+    0x1b, 0xa3, 0x0b, 0x39, 0x6a, 0x0a, 0xac, 0x97, 
+    0x3d, 0x58, 0xe0, 0x91, 0x47, 0x3f, 0x59, 0x85, },
+
+  /* TAG */
+  { 0x4d, 0x5c, 0x2a, 0xf3, 0x27, 0xcd, 0x64, 0xa6, 
+    0x2c, 0xf3, 0x5a, 0xbd, 0x2b, 0xa6, 0xfa, 0xb4, }
+},
+
+/* test case #4 */
+{
+   /* key */
+   { 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c, 
+     0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08, },
+   16,
+
+   /* PT */
+   { 0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5, 
+     0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a, 
+     0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda, 
+     0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72, 
+     0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53, 
+     0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25, 
+     0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57, 
+     0xba, 0x63, 0x7b, 0x39,  },
+   60,
+
+   /* ADATA */
+   { 0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef, 
+     0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef, 
+     0xab, 0xad, 0xda, 0xd2,  },
+   20,
+
+   /* IV */
+   { 0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce, 0xdb, 0xad, 
+     0xde, 0xca, 0xf8, 0x88,  },
+   12,
+
+   /* CT */
+   { 0x42, 0x83, 0x1e, 0xc2, 0x21, 0x77, 0x74, 0x24, 
+     0x4b, 0x72, 0x21, 0xb7, 0x84, 0xd0, 0xd4, 0x9c, 
+     0xe3, 0xaa, 0x21, 0x2f, 0x2c, 0x02, 0xa4, 0xe0, 
+     0x35, 0xc1, 0x7e, 0x23, 0x29, 0xac, 0xa1, 0x2e, 
+     0x21, 0xd5, 0x14, 0xb2, 0x54, 0x66, 0x93, 0x1c, 
+     0x7d, 0x8f, 0x6a, 0x5a, 0xac, 0x84, 0xaa, 0x05, 
+     0x1b, 0xa3, 0x0b, 0x39, 0x6a, 0x0a, 0xac, 0x97, 
+     0x3d, 0x58, 0xe0, 0x91,  },
+
+   /* TAG */
+   { 0x5b, 0xc9, 0x4f, 0xbc, 0x32, 0x21, 0xa5, 0xdb, 
+     0x94, 0xfa, 0xe9, 0x5a, 0xe7, 0x12, 0x1a, 0x47, }
+
+},
+
+/* test case #5 */
+{
+   /* key */
+   { 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c, 
+     0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08, },
+   16,
+
+   /* PT */
+   { 0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5, 
+     0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a, 
+     0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda, 
+     0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72, 
+     0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53, 
+     0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25, 
+     0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57, 
+     0xba, 0x63, 0x7b, 0x39,  },
+   60,
+
+   /* ADATA */
+   { 0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef, 
+     0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef, 
+     0xab, 0xad, 0xda, 0xd2,  },
+   20,
+
+   /* IV */
+   { 0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce, 0xdb, 0xad, },
+   8,
+
+   /* CT */
+   { 0x61, 0x35, 0x3b, 0x4c, 0x28, 0x06, 0x93, 0x4a, 
+     0x77, 0x7f, 0xf5, 0x1f, 0xa2, 0x2a, 0x47, 0x55, 
+     0x69, 0x9b, 0x2a, 0x71, 0x4f, 0xcd, 0xc6, 0xf8, 
+     0x37, 0x66, 0xe5, 0xf9, 0x7b, 0x6c, 0x74, 0x23, 
+     0x73, 0x80, 0x69, 0x00, 0xe4, 0x9f, 0x24, 0xb2, 
+     0x2b, 0x09, 0x75, 0x44, 0xd4, 0x89, 0x6b, 0x42, 
+     0x49, 0x89, 0xb5, 0xe1, 0xeb, 0xac, 0x0f, 0x07, 
+     0xc2, 0x3f, 0x45, 0x98,  },
+
+   /* TAG */
+   { 0x36, 0x12, 0xd2, 0xe7, 0x9e, 0x3b, 0x07, 0x85, 
+     0x56, 0x1b, 0xe1, 0x4a, 0xac, 0xa2, 0xfc, 0xcb, }
+},
+
+/* test case #6 */
+{
+   /* key */
+   { 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c, 
+     0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08, },
+   16,
+
+   /* PT */
+   { 0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5, 
+     0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a, 
+     0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda, 
+     0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72, 
+     0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53, 
+     0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25, 
+     0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57, 
+     0xba, 0x63, 0x7b, 0x39,  },
+   60,
+
+   /* ADATA */
+   { 0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef, 
+     0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef, 
+     0xab, 0xad, 0xda, 0xd2,  },
+   20,
+
+   /* IV */
+   { 0x93, 0x13, 0x22, 0x5d, 0xf8, 0x84, 0x06, 0xe5, 
+     0x55, 0x90, 0x9c, 0x5a, 0xff, 0x52, 0x69, 0xaa, 
+     0x6a, 0x7a, 0x95, 0x38, 0x53, 0x4f, 0x7d, 0xa1, 
+     0xe4, 0xc3, 0x03, 0xd2, 0xa3, 0x18, 0xa7, 0x28, 
+     0xc3, 0xc0, 0xc9, 0x51, 0x56, 0x80, 0x95, 0x39, 
+     0xfc, 0xf0, 0xe2, 0x42, 0x9a, 0x6b, 0x52, 0x54, 
+     0x16, 0xae, 0xdb, 0xf5, 0xa0, 0xde, 0x6a, 0x57, 
+     0xa6, 0x37, 0xb3, 0x9b,  },
+   60,
+
+   /* CT */
+   { 0x8c, 0xe2, 0x49, 0x98, 0x62, 0x56, 0x15, 0xb6, 
+     0x03, 0xa0, 0x33, 0xac, 0xa1, 0x3f, 0xb8, 0x94, 
+     0xbe, 0x91, 0x12, 0xa5, 0xc3, 0xa2, 0x11, 0xa8, 
+     0xba, 0x26, 0x2a, 0x3c, 0xca, 0x7e, 0x2c, 0xa7, 
+     0x01, 0xe4, 0xa9, 0xa4, 0xfb, 0xa4, 0x3c, 0x90, 
+     0xcc, 0xdc, 0xb2, 0x81, 0xd4, 0x8c, 0x7c, 0x6f, 
+     0xd6, 0x28, 0x75, 0xd2, 0xac, 0xa4, 0x17, 0x03, 
+     0x4c, 0x34, 0xae, 0xe5,  },
+
+   /* TAG */
+   { 0x61, 0x9c, 0xc5, 0xae, 0xff, 0xfe, 0x0b, 0xfa, 
+     0x46, 0x2a, 0xf4, 0x3c, 0x16, 0x99, 0xd0, 0x50, }
+}
+
+/* rest of test cases are the same except AES key size changes... ignored... */
+};
+   int           idx, err;
+   unsigned long x, y;
+   gcm_state     gcm;
+   unsigned char out[2][64], T[2][16];
+
+   /* find aes */
+   idx = find_cipher("aes");
+   if (idx == -1) {
+      idx = find_cipher("rijndael");
+      if (idx == -1) {
+         return CRYPT_NOP;
+      }
+   }
+
+   for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) {
+       y = sizeof(T[0]);
+       if ((err = gcm_memory(idx, tests[x].K, tests[x].keylen,
+                             tests[x].IV, tests[x].IVlen,
+                             tests[x].A, tests[x].alen,
+                             (unsigned char*)tests[x].P, tests[x].ptlen,
+                             out[0], T[0], &y, GCM_ENCRYPT)) != CRYPT_OK) {
+          return err;
+       }
+
+       if (memcmp(out[0], tests[x].C, tests[x].ptlen)) {
+#if 0
+          printf("\nCiphertext wrong %lu\n", x);
+          for (y = 0; y < tests[x].ptlen; y++) {
+              printf("%02x", out[0][y] & 255);
+          }
+          printf("\n");
+#endif
+          return CRYPT_FAIL_TESTVECTOR;
+       }
+
+       if (memcmp(T[0], tests[x].T, 16)) {
+#if 0
+          printf("\nTag on plaintext wrong %lu\n", x);
+          for (y = 0; y < 16; y++) {
+              printf("%02x", T[0][y] & 255);
+          }
+          printf("\n");
+#endif
+          return CRYPT_FAIL_TESTVECTOR;
+       }
+
+       y = sizeof(T[1]);
+       if ((err = gcm_memory(idx, tests[x].K, tests[x].keylen,
+                             tests[x].IV, tests[x].IVlen,
+                             tests[x].A, tests[x].alen,
+                             out[1], tests[x].ptlen,
+                             out[0], T[1], &y, GCM_DECRYPT)) != CRYPT_OK) {
+          return err;
+       }
+
+       if (memcmp(out[1], tests[x].P, tests[x].ptlen)) {
+#if 0
+          printf("\nplaintext wrong %lu\n", x);
+          for (y = 0; y < tests[x].ptlen; y++) {
+              printf("%02x", out[0][y] & 255);
+          }
+          printf("\n");
+#endif
+          return CRYPT_FAIL_TESTVECTOR;
+       }
+
+       if (memcmp(T[1], tests[x].T, 16)) {
+#if 0
+          printf("\nTag on ciphertext wrong %lu\n", x);
+          for (y = 0; y < 16; y++) {
+              printf("%02x", T[1][y] & 255);
+          }
+          printf("\n");
+#endif
+          return CRYPT_FAIL_TESTVECTOR;
+       }
+
+   }
+   return CRYPT_OK;
+#endif
+}
+
+#endif
+