void pmac_gen(void) { #ifdef LTC_PMAC unsigned char key[MAXBLOCKSIZE], output[MAXBLOCKSIZE], input[MAXBLOCKSIZE*2+2]; int err, x, y, z, kl; FILE *out; unsigned long len; out = fopen("pmac_tv.txt", "w"); fprintf(out, "PMAC Tests. In these tests messages of N bytes long (00,01,02,...,NN-1) are PMAC'ed. The initial key is\n" "of the same format (length specified per cipher). The PMAC key in step N+1 is the PMAC output of\n" "step N (repeated as required to fill the array).\n\n"); for (x = 0; cipher_descriptor[x].name != NULL; x++) { kl = cipher_descriptor[x].block_length; /* skip ciphers which do not have 64 or 128 bit block sizes */ if (kl != 8 && kl != 16) continue; if (cipher_descriptor[x].keysize(&kl) != CRYPT_OK) { kl = cipher_descriptor[x].max_key_length; } fprintf(out, "PMAC-%s (%d byte key)\n", cipher_descriptor[x].name, kl); /* initial key/block */ for (y = 0; y < kl; y++) { key[y] = (y & 255); } for (y = 0; y <= (int)(cipher_descriptor[x].block_length*2); y++) { for (z = 0; z < y; z++) { input[z] = (unsigned char)(z & 255); } len = sizeof(output); if ((err = pmac_memory(x, key, kl, input, y, output, &len)) != CRYPT_OK) { printf("Error omacing: %s\n", error_to_string(err)); exit(EXIT_FAILURE); } fprintf(out, "%3d: ", y); for (z = 0; z <(int)len; z++) { fprintf(out, "%02X", output[z]); } fprintf(out, "\n"); /* forward the key */ for (z = 0; z < kl; z++) { key[z] = output[z % len]; } } fprintf(out, "\n"); } fclose(out); #endif }
/** Test the LTC_OMAC implementation @return CRYPT_OK if successful, CRYPT_NOP if testing has been disabled */ int pmac_test(void) { #if !defined(LTC_TEST) return CRYPT_NOP; #else static const struct { int msglen; unsigned char key[16], msg[34], tag[16]; } tests[] = { /* PMAC-AES-128-0B */ { 0, /* key */ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, /* msg */ { 0x00 }, /* tag */ { 0x43, 0x99, 0x57, 0x2c, 0xd6, 0xea, 0x53, 0x41, 0xb8, 0xd3, 0x58, 0x76, 0xa7, 0x09, 0x8a, 0xf7 } }, /* PMAC-AES-128-3B */ { 3, /* key */ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, /* msg */ { 0x00, 0x01, 0x02 }, /* tag */ { 0x25, 0x6b, 0xa5, 0x19, 0x3c, 0x1b, 0x99, 0x1b, 0x4d, 0xf0, 0xc5, 0x1f, 0x38, 0x8a, 0x9e, 0x27 } }, /* PMAC-AES-128-16B */ { 16, /* key */ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, /* msg */ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, /* tag */ { 0xeb, 0xbd, 0x82, 0x2f, 0xa4, 0x58, 0xda, 0xf6, 0xdf, 0xda, 0xd7, 0xc2, 0x7d, 0xa7, 0x63, 0x38 } }, /* PMAC-AES-128-20B */ { 20, /* key */ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, /* msg */ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13 }, /* tag */ { 0x04, 0x12, 0xca, 0x15, 0x0b, 0xbf, 0x79, 0x05, 0x8d, 0x8c, 0x75, 0xa5, 0x8c, 0x99, 0x3f, 0x55 } }, /* PMAC-AES-128-32B */ { 32, /* key */ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, /* msg */ { 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 }, /* tag */ { 0xe9, 0x7a, 0xc0, 0x4e, 0x9e, 0x5e, 0x33, 0x99, 0xce, 0x53, 0x55, 0xcd, 0x74, 0x07, 0xbc, 0x75 } }, /* PMAC-AES-128-34B */ { 34, /* key */ { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f }, /* msg */ { 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, 0x20, 0x21 }, /* tag */ { 0x5c, 0xba, 0x7d, 0x5e, 0xb2, 0x4f, 0x7c, 0x86, 0xcc, 0xc5, 0x46, 0x04, 0xe5, 0x3d, 0x55, 0x12 } } }; int err, x, idx; unsigned long len; unsigned char 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 = pmac_memory(idx, tests[x].key, 16, tests[x].msg, tests[x].msglen, outtag, &len)) != CRYPT_OK) { return err; } if (XMEMCMP(outtag, tests[x].tag, len)) { #if 0 unsigned long y; 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; } } return CRYPT_OK; #endif /* LTC_TEST */ }
int multi_test(void) { unsigned char key[32] = { 0 }; unsigned char buf[2][MAXBLOCKSIZE]; unsigned long len, len2; /* register algos */ register_hash(&sha256_desc); register_cipher(&aes_desc); /* HASH testing */ len = sizeof(buf[0]); hash_memory(find_hash("sha256"), (unsigned char*)"hello", 5, buf[0], &len); len2 = sizeof(buf[0]); hash_memory_multi(find_hash("sha256"), buf[1], &len2, (unsigned char*)"hello", 5, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } len2 = sizeof(buf[0]); hash_memory_multi(find_hash("sha256"), buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL, 0); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } len2 = sizeof(buf[0]); hash_memory_multi(find_hash("sha256"), buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } #ifdef LTC_HMAC len = sizeof(buf[0]); hmac_memory(find_hash("sha256"), key, 16, (unsigned char*)"hello", 5, buf[0], &len); len2 = sizeof(buf[0]); hmac_memory_multi(find_hash("sha256"), key, 16, buf[1], &len2, (unsigned char*)"hello", 5UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } len2 = sizeof(buf[0]); hmac_memory_multi(find_hash("sha256"), key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } len2 = sizeof(buf[0]); hmac_memory_multi(find_hash("sha256"), key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } #endif #ifdef LTC_OMAC len = sizeof(buf[0]); omac_memory(find_cipher("aes"), key, 16, (unsigned char*)"hello", 5, buf[0], &len); len2 = sizeof(buf[0]); omac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"hello", 5UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } len2 = sizeof(buf[0]); omac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } len2 = sizeof(buf[0]); omac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } #endif #ifdef LTC_PMAC len = sizeof(buf[0]); pmac_memory(find_cipher("aes"), key, 16, (unsigned char*)"hello", 5, buf[0], &len); len2 = sizeof(buf[0]); pmac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"hello", 5, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } len2 = sizeof(buf[0]); pmac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } len2 = sizeof(buf[0]); pmac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } #endif #ifdef LTC_XCBC len = sizeof(buf[0]); xcbc_memory(find_cipher("aes"), key, 16, (unsigned char*)"hello", 5, buf[0], &len); len2 = sizeof(buf[0]); xcbc_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"hello", 5, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } len2 = sizeof(buf[0]); xcbc_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } len2 = sizeof(buf[0]); xcbc_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } #endif #ifdef LTC_F9 len = sizeof(buf[0]); f9_memory(find_cipher("aes"), key, 16, (unsigned char*)"hello", 5, buf[0], &len); len2 = sizeof(buf[0]); f9_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"hello", 5, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } len2 = sizeof(buf[0]); f9_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } len2 = sizeof(buf[0]); f9_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } #endif #ifdef LTC_PELICAN /* TODO: there is no pelican_memory_multi(..) */ #endif #ifdef LTC_POLY1305 len = sizeof(buf[0]); poly1305_memory(key, 32, (unsigned char*)"hello", 5, buf[0], &len); len2 = sizeof(buf[0]); poly1305_memory_multi(key, 32, buf[1], &len2, (unsigned char*)"hello", 5, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } len2 = sizeof(buf[0]); poly1305_memory_multi(key, 32, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } len2 = sizeof(buf[0]); poly1305_memory_multi(key, 32, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } #endif #ifdef LTC_BLAKE2SMAC len = 32; blake2smac_memory(key, 16, (unsigned char*)"hello", 5, buf[0], &len); len2 = 32; blake2smac_memory_multi(key, 16, buf[1], &len2, (unsigned char*)"hello", 5, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } len2 = 32; blake2smac_memory_multi(key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } len2 = 32; blake2smac_memory_multi(key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } #endif #ifdef LTC_BLAKE2BMAC len = 64; blake2bmac_memory(key, 16, (unsigned char*)"hello", 5, buf[0], &len); len2 = 64; blake2bmac_memory_multi(key, 16, buf[1], &len2, (unsigned char*)"hello", 5, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } len2 = 64; blake2bmac_memory_multi(key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } len2 = 64; blake2bmac_memory_multi(key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return CRYPT_FAIL_TESTVECTOR; } #endif return CRYPT_OK; }
int main(void) { unsigned char key[16], buf[2][MAXBLOCKSIZE]; unsigned long len, len2; /* register algos */ register_hash(&sha256_desc); register_cipher(&aes_desc); /* HASH testing */ len = sizeof(buf[0]); hash_memory(find_hash("sha256"), (unsigned char*)"hello", 5, buf[0], &len); len2 = sizeof(buf[0]); hash_memory_multi(find_hash("sha256"), buf[1], &len2, (unsigned char*)"hello", 5, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return EXIT_FAILURE; } len2 = sizeof(buf[0]); hash_memory_multi(find_hash("sha256"), buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL, 0); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return EXIT_FAILURE; } len2 = sizeof(buf[0]); hash_memory_multi(find_hash("sha256"), buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return EXIT_FAILURE; } /* LTC_HMAC */ len = sizeof(buf[0]); hmac_memory(find_hash("sha256"), key, 16, (unsigned char*)"hello", 5, buf[0], &len); len2 = sizeof(buf[0]); hmac_memory_multi(find_hash("sha256"), key, 16, buf[1], &len2, (unsigned char*)"hello", 5UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return EXIT_FAILURE; } len2 = sizeof(buf[0]); hmac_memory_multi(find_hash("sha256"), key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return EXIT_FAILURE; } len2 = sizeof(buf[0]); hmac_memory_multi(find_hash("sha256"), key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return EXIT_FAILURE; } /* LTC_OMAC */ len = sizeof(buf[0]); omac_memory(find_cipher("aes"), key, 16, (unsigned char*)"hello", 5, buf[0], &len); len2 = sizeof(buf[0]); omac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"hello", 5UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return EXIT_FAILURE; } len2 = sizeof(buf[0]); omac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return EXIT_FAILURE; } len2 = sizeof(buf[0]); omac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return EXIT_FAILURE; } /* PMAC */ len = sizeof(buf[0]); pmac_memory(find_cipher("aes"), key, 16, (unsigned char*)"hello", 5, buf[0], &len); len2 = sizeof(buf[0]); pmac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"hello", 5, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return EXIT_FAILURE; } len2 = sizeof(buf[0]); pmac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"he", 2UL, "llo", 3UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return EXIT_FAILURE; } len2 = sizeof(buf[0]); pmac_memory_multi(find_cipher("aes"), key, 16, buf[1], &len2, (unsigned char*)"h", 1UL, "e", 1UL, "l", 1UL, "l", 1UL, "o", 1UL, NULL); if (len != len2 || memcmp(buf[0], buf[1], len)) { printf("Failed: %d %lu %lu\n", __LINE__, len, len2); return EXIT_FAILURE; } printf("All passed\n"); return EXIT_SUCCESS; }