--- /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.
+ */
+
+/**
+ @file gcm_test.c
+ GCM implementation, testing, by Tom St Denis
+*/
+#include "tomcrypt.h"
+
+#ifdef LTC_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[128];
+ unsigned long ptlen;
+ unsigned char A[128];
+ unsigned long alen;
+ unsigned char IV[128];
+ unsigned long IVlen;
+ unsigned char C[128];
+ 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, }
+},
+
+/* test case #46 from BG (catches the LTC bug of v1.15) */
+{
+ /* key */
+ { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 },
+ 16,
+
+ /* PT */
+ { 0xa2, 0xaa, 0xb3, 0xad, 0x8b, 0x17, 0xac, 0xdd,
+ 0xa2, 0x88, 0x42, 0x6c, 0xd7, 0xc4, 0x29, 0xb7,
+ 0xca, 0x86, 0xb7, 0xac, 0xa0, 0x58, 0x09, 0xc7,
+ 0x0c, 0xe8, 0x2d, 0xb2, 0x57, 0x11, 0xcb, 0x53,
+ 0x02, 0xeb, 0x27, 0x43, 0xb0, 0x36, 0xf3, 0xd7,
+ 0x50, 0xd6, 0xcf, 0x0d, 0xc0, 0xac, 0xb9, 0x29,
+ 0x50, 0xd5, 0x46, 0xdb, 0x30, 0x8f, 0x93, 0xb4,
+ 0xff, 0x24, 0x4a, 0xfa, 0x9d, 0xc7, 0x2b, 0xcd,
+ 0x75, 0x8d, 0x2c },
+ 67,
+
+ /* ADATA */
+ { 0x68, 0x8e, 0x1a, 0xa9, 0x84, 0xde, 0x92, 0x6d,
+ 0xc7, 0xb4, 0xc4, 0x7f, 0x44 },
+ 13,
+
+ /* IV */
+ { 0xb7, 0x21, 0x38, 0xb5, 0xa0, 0x5f, 0xf5, 0x07,
+ 0x0e, 0x8c, 0xd9, 0x41, 0x83, 0xf7, 0x61, 0xd8 },
+ 16,
+
+ /* CT */
+ { 0xcb, 0xc8, 0xd2, 0xf1, 0x54, 0x81, 0xa4, 0xcc,
+ 0x7d, 0xd1, 0xe1, 0x9a, 0xaa, 0x83, 0xde, 0x56,
+ 0x78, 0x48, 0x3e, 0xc3, 0x59, 0xae, 0x7d, 0xec,
+ 0x2a, 0xb8, 0xd5, 0x34, 0xe0, 0x90, 0x6f, 0x4b,
+ 0x46, 0x63, 0xfa, 0xff, 0x58, 0xa8, 0xb2, 0xd7,
+ 0x33, 0xb8, 0x45, 0xee, 0xf7, 0xc9, 0xb3, 0x31,
+ 0xe9, 0xe1, 0x0e, 0xb2, 0x61, 0x2c, 0x99, 0x5f,
+ 0xeb, 0x1a, 0xc1, 0x5a, 0x62, 0x86, 0xcc, 0xe8,
+ 0xb2, 0x97, 0xa8 },
+
+ /* TAG */
+ { 0x8d, 0x2d, 0x2a, 0x93, 0x72, 0x62, 0x6f, 0x6b,
+ 0xee, 0x85, 0x80, 0x27, 0x6a, 0x63, 0x66, 0xbf }
+}
+
+/* rest of test cases are the same except AES key size changes... ignored... */
+};
+ int idx, err;
+ unsigned long x, y;
+ unsigned char out[2][128], T[2][16];
+ gcm_state gcm;
+
+ /* find aes */
+ idx = find_cipher("aes");
+ if (idx == -1) {
+ idx = find_cipher("rijndael");
+ if (idx == -1) {
+ return CRYPT_NOP;
+ }
+ }
+
+ /* Special test case for empty AAD + empty PT */
+ y = sizeof(T[0]);
+ if ((err = gcm_init(&gcm, idx, tests[0].K, tests[0].keylen)) != CRYPT_OK) return err;
+ if ((err = gcm_add_iv(&gcm, tests[0].IV, tests[0].IVlen)) != CRYPT_OK) return err;
+ /* intentionally skip gcm_add_aad + gcm_process */
+ if ((err = gcm_done(&gcm, T[0], &y)) != CRYPT_OK) return err;
+ if (compare_testvector(T[0], y, tests[0].T, 16, "GCM Encrypt Tag-special", 0)) return CRYPT_FAIL_TESTVECTOR;
+
+ 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 (compare_testvector(out[0], tests[x].ptlen, tests[x].C, tests[x].ptlen, "GCM CT", x)) {
+ return CRYPT_FAIL_TESTVECTOR;
+ }
+
+ if (compare_testvector(T[0], y, tests[x].T, 16, "GCM Encrypt Tag", x)) {
+ 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 (compare_testvector(out[1], tests[x].ptlen, tests[x].P, tests[x].ptlen, "GCM PT", x)) {
+ return CRYPT_FAIL_TESTVECTOR;
+ }
+
+ if (compare_testvector(T[1], y, tests[x].T, 16, "GCM Decrypt Tag", x)) {
+ return CRYPT_FAIL_TESTVECTOR;
+ }
+
+ }
+ return CRYPT_OK;
+#endif
+}
+
+#endif
+
+
+/* ref: $Format:%D$ */
+/* git commit: $Format:%H$ */
+/* commit time: $Format:%ai$ */
projects / zpackage / blobdiff