/* $OpenBSD: chachatest.c,v 1.6 2019/01/22 00:59:21 dlg Exp $ */ /* * Copyright (c) 2014 Joel Sing * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include struct chacha_tv { const char *desc; const unsigned char key[32]; const unsigned char iv[8]; const size_t len; const unsigned char out[512]; }; /* * Test vectors from: * http://tools.ietf.org/html/draft-strombergson-chacha-test-vectors-01 */ struct chacha_tv chacha_test_vectors[] = { { "TC1: All zero key and IV", { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, 64, { 0x76, 0xb8, 0xe0, 0xad, 0xa0, 0xf1, 0x3d, 0x90, 0x40, 0x5d, 0x6a, 0xe5, 0x53, 0x86, 0xbd, 0x28, 0xbd, 0xd2, 0x19, 0xb8, 0xa0, 0x8d, 0xed, 0x1a, 0xa8, 0x36, 0xef, 0xcc, 0x8b, 0x77, 0x0d, 0xc7, 0xda, 0x41, 0x59, 0x7c, 0x51, 0x57, 0x48, 0x8d, 0x77, 0x24, 0xe0, 0x3f, 0xb8, 0xd8, 0x4a, 0x37, 0x6a, 0x43, 0xb8, 0xf4, 0x15, 0x18, 0xa1, 0x1c, 0xc3, 0x87, 0xb6, 0x69, 0xb2, 0xee, 0x65, 0x86, }, }, { "TC2: Single bit in key set, all zero IV", { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, 64, { 0xc5, 0xd3, 0x0a, 0x7c, 0xe1, 0xec, 0x11, 0x93, 0x78, 0xc8, 0x4f, 0x48, 0x7d, 0x77, 0x5a, 0x85, 0x42, 0xf1, 0x3e, 0xce, 0x23, 0x8a, 0x94, 0x55, 0xe8, 0x22, 0x9e, 0x88, 0x8d, 0xe8, 0x5b, 0xbd, 0x29, 0xeb, 0x63, 0xd0, 0xa1, 0x7a, 0x5b, 0x99, 0x9b, 0x52, 0xda, 0x22, 0xbe, 0x40, 0x23, 0xeb, 0x07, 0x62, 0x0a, 0x54, 0xf6, 0xfa, 0x6a, 0xd8, 0x73, 0x7b, 0x71, 0xeb, 0x04, 0x64, 0xda, 0xc0, }, }, { "TC3: Single bit in IV set, all zero key", { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, { 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, 64, { 0xef, 0x3f, 0xdf, 0xd6, 0xc6, 0x15, 0x78, 0xfb, 0xf5, 0xcf, 0x35, 0xbd, 0x3d, 0xd3, 0x3b, 0x80, 0x09, 0x63, 0x16, 0x34, 0xd2, 0x1e, 0x42, 0xac, 0x33, 0x96, 0x0b, 0xd1, 0x38, 0xe5, 0x0d, 0x32, 0x11, 0x1e, 0x4c, 0xaf, 0x23, 0x7e, 0xe5, 0x3c, 0xa8, 0xad, 0x64, 0x26, 0x19, 0x4a, 0x88, 0x54, 0x5d, 0xdc, 0x49, 0x7a, 0x0b, 0x46, 0x6e, 0x7d, 0x6b, 0xbd, 0xb0, 0x04, 0x1b, 0x2f, 0x58, 0x6b }, }, { "TC4: All bits in key and IV are set", { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, }, { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, }, 64, { 0xd9, 0xbf, 0x3f, 0x6b, 0xce, 0x6e, 0xd0, 0xb5, 0x42, 0x54, 0x55, 0x77, 0x67, 0xfb, 0x57, 0x44, 0x3d, 0xd4, 0x77, 0x89, 0x11, 0xb6, 0x06, 0x05, 0x5c, 0x39, 0xcc, 0x25, 0xe6, 0x74, 0xb8, 0x36, 0x3f, 0xea, 0xbc, 0x57, 0xfd, 0xe5, 0x4f, 0x79, 0x0c, 0x52, 0xc8, 0xae, 0x43, 0x24, 0x0b, 0x79, 0xd4, 0x90, 0x42, 0xb7, 0x77, 0xbf, 0xd6, 0xcb, 0x80, 0xe9, 0x31, 0x27, 0x0b, 0x7f, 0x50, 0xeb, }, }, { "TC5: Every even bit set in key and IV", { 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, }, { 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, }, 64, { 0xbe, 0xa9, 0x41, 0x1a, 0xa4, 0x53, 0xc5, 0x43, 0x4a, 0x5a, 0xe8, 0xc9, 0x28, 0x62, 0xf5, 0x64, 0x39, 0x68, 0x55, 0xa9, 0xea, 0x6e, 0x22, 0xd6, 0xd3, 0xb5, 0x0a, 0xe1, 0xb3, 0x66, 0x33, 0x11, 0xa4, 0xa3, 0x60, 0x6c, 0x67, 0x1d, 0x60, 0x5c, 0xe1, 0x6c, 0x3a, 0xec, 0xe8, 0xe6, 0x1e, 0xa1, 0x45, 0xc5, 0x97, 0x75, 0x01, 0x7b, 0xee, 0x2f, 0xa6, 0xf8, 0x8a, 0xfc, 0x75, 0x80, 0x69, 0xf7, }, }, { "TC6: Every odd bit set in key and IV", { 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, }, { 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, }, 64, { 0x9a, 0xa2, 0xa9, 0xf6, 0x56, 0xef, 0xde, 0x5a, 0xa7, 0x59, 0x1c, 0x5f, 0xed, 0x4b, 0x35, 0xae, 0xa2, 0x89, 0x5d, 0xec, 0x7c, 0xb4, 0x54, 0x3b, 0x9e, 0x9f, 0x21, 0xf5, 0xe7, 0xbc, 0xbc, 0xf3, 0xc4, 0x3c, 0x74, 0x8a, 0x97, 0x08, 0x88, 0xf8, 0x24, 0x83, 0x93, 0xa0, 0x9d, 0x43, 0xe0, 0xb7, 0xe1, 0x64, 0xbc, 0x4d, 0x0b, 0x0f, 0xb2, 0x40, 0xa2, 0xd7, 0x21, 0x15, 0xc4, 0x80, 0x89, 0x06, }, }, { "TC7: Sequence patterns in key and IV", { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, 0xff, 0xee, 0xdd, 0xcc, 0xbb, 0xaa, 0x99, 0x88, 0x77, 0x66, 0x55, 0x44, 0x33, 0x22, 0x11, 0x00, }, { 0x0f, 0x1e, 0x2d, 0x3c, 0x4b, 0x5a, 0x69, 0x78, }, 64, { 0x9f, 0xad, 0xf4, 0x09, 0xc0, 0x08, 0x11, 0xd0, 0x04, 0x31, 0xd6, 0x7e, 0xfb, 0xd8, 0x8f, 0xba, 0x59, 0x21, 0x8d, 0x5d, 0x67, 0x08, 0xb1, 0xd6, 0x85, 0x86, 0x3f, 0xab, 0xbb, 0x0e, 0x96, 0x1e, 0xea, 0x48, 0x0f, 0xd6, 0xfb, 0x53, 0x2b, 0xfd, 0x49, 0x4b, 0x21, 0x51, 0x01, 0x50, 0x57, 0x42, 0x3a, 0xb6, 0x0a, 0x63, 0xfe, 0x4f, 0x55, 0xf7, 0xa2, 0x12, 0xe2, 0x16, 0x7c, 0xca, 0xb9, 0x31, }, }, { "TC8: key: 'All your base are belong to us!, IV: 'IETF2013'", { 0xc4, 0x6e, 0xc1, 0xb1, 0x8c, 0xe8, 0xa8, 0x78, 0x72, 0x5a, 0x37, 0xe7, 0x80, 0xdf, 0xb7, 0x35, 0x1f, 0x68, 0xed, 0x2e, 0x19, 0x4c, 0x79, 0xfb, 0xc6, 0xae, 0xbe, 0xe1, 0xa6, 0x67, 0x97, 0x5d, }, { 0x1a, 0xda, 0x31, 0xd5, 0xcf, 0x68, 0x82, 0x21, }, 64, { 0xf6, 0x3a, 0x89, 0xb7, 0x5c, 0x22, 0x71, 0xf9, 0x36, 0x88, 0x16, 0x54, 0x2b, 0xa5, 0x2f, 0x06, 0xed, 0x49, 0x24, 0x17, 0x92, 0x30, 0x2b, 0x00, 0xb5, 0xe8, 0xf8, 0x0a, 0xe9, 0xa4, 0x73, 0xaf, 0xc2, 0x5b, 0x21, 0x8f, 0x51, 0x9a, 0xf0, 0xfd, 0xd4, 0x06, 0x36, 0x2e, 0x8d, 0x69, 0xde, 0x7f, 0x54, 0xc6, 0x04, 0xa6, 0xe0, 0x0f, 0x35, 0x3f, 0x11, 0x0f, 0x77, 0x1b, 0xdc, 0xa8, 0xab, 0x92, }, }, }; #define N_VECTORS (sizeof(chacha_test_vectors) / sizeof(*chacha_test_vectors)) /* Single-shot ChaCha20 using CRYPTO_chacha_20 interface. */ static void crypto_chacha_20_test(struct chacha_tv *tv, unsigned char *out, unsigned char *in) { CRYPTO_chacha_20(out, in, tv->len, tv->key, tv->iv, 0); } /* Single-shot ChaCha20 using the ChaCha interface. */ static void chacha_ctx_full_test(struct chacha_tv *tv, unsigned char *out, unsigned char *in) { ChaCha_ctx ctx; ChaCha_set_key(&ctx, tv->key, 256); ChaCha_set_iv(&ctx, tv->iv, NULL); ChaCha(&ctx, out, in, tv->len); } /* ChaCha20 with partial writes using the Chacha interface. */ static void chacha_ctx_partial_test(struct chacha_tv *tv, unsigned char *out, unsigned char *in) { ChaCha_ctx ctx; int len, size = 0; ChaCha_set_key(&ctx, tv->key, 256); ChaCha_set_iv(&ctx, tv->iv, NULL); len = tv->len - 1; while (len > 1) { size = len / 2; ChaCha(&ctx, out, in, size); in += size; out += size; len -= size; } ChaCha(&ctx, out, in, len + 1); } /* ChaCha20 with single byte writes using the Chacha interface. */ static void chacha_ctx_single_test(struct chacha_tv *tv, unsigned char *out, unsigned char *in) { ChaCha_ctx ctx; size_t i; ChaCha_set_key(&ctx, tv->key, 256); ChaCha_set_iv(&ctx, tv->iv, NULL); for (i = 0; i < tv->len; i++) ChaCha(&ctx, out + i, in + i, 1); } struct chacha_test_function { char *name; void (*func)(struct chacha_tv *, unsigned char *, unsigned char *); }; struct chacha_test_function chacha_test_functions[] = { {"crypto_chacha_20_test", crypto_chacha_20_test}, {"chacha_ctx_full_test", chacha_ctx_full_test}, {"chacha_ctx_partial_test", chacha_ctx_partial_test}, {"chacha_ctx_single_test", chacha_ctx_single_test}, }; #define N_FUNCS (sizeof(chacha_test_functions) / sizeof(*chacha_test_functions)) /* draft-arciszewski-xchacha-02 test vectors */ static int crypto_hchacha_20_test(void) { static const unsigned char key[32] = { 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 }; static const unsigned char nonce[16] = { 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x4a, 0x00, 0x00, 0x00, 0x00, 0x31, 0x41, 0x59, 0x27, }; static const unsigned char result[32] = { 0x82, 0x41, 0x3b, 0x42, 0x27, 0xb2, 0x7b, 0xfe, 0xd3, 0x0e, 0x42, 0x50, 0x8a, 0x87, 0x7d, 0x73, 0xa0, 0xf9, 0xe4, 0xd5, 0x8a, 0x74, 0xa8, 0x53, 0xc1, 0x2e, 0xc4, 0x13, 0x26, 0xd3, 0xec, 0xdc, }; unsigned char out[32]; int failed = 0; size_t k; CRYPTO_hchacha_20(out, key, nonce); if (memcmp(out, result, sizeof(out)) != 0) { printf("HChaCha20 failed!\n"); printf("Got:\t"); for (k = 0; k < sizeof(out); k++) printf("%2.2x", out[k]); printf("\n"); printf("Want:\t"); for (k = 0; k < sizeof(result); k++) printf("%2.2x", result[k]); printf("\n"); failed = 1; } return (failed); } static int crypto_xchacha_20_test(void) { static const unsigned char key[32] = { 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, }; static const unsigned char iv[24] = { 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x58 }; static const unsigned char plain[] = { 0x54, 0x68, 0x65, 0x20, 0x64, 0x68, 0x6f, 0x6c, 0x65, 0x20, 0x28, 0x70, 0x72, 0x6f, 0x6e, 0x6f, 0x75, 0x6e, 0x63, 0x65, 0x64, 0x20, 0x22, 0x64, 0x6f, 0x6c, 0x65, 0x22, 0x29, 0x20, 0x69, 0x73, 0x20, 0x61, 0x6c, 0x73, 0x6f, 0x20, 0x6b, 0x6e, 0x6f, 0x77, 0x6e, 0x20, 0x61, 0x73, 0x20, 0x74, 0x68, 0x65, 0x20, 0x41, 0x73, 0x69, 0x61, 0x74, 0x69, 0x63, 0x20, 0x77, 0x69, 0x6c, 0x64, 0x20, 0x64, 0x6f, 0x67, 0x2c, 0x20, 0x72, 0x65, 0x64, 0x20, 0x64, 0x6f, 0x67, 0x2c, 0x20, 0x61, 0x6e, 0x64, 0x20, 0x77, 0x68, 0x69, 0x73, 0x74, 0x6c, 0x69, 0x6e, 0x67, 0x20, 0x64, 0x6f, 0x67, 0x2e, 0x20, 0x49, 0x74, 0x20, 0x69, 0x73, 0x20, 0x61, 0x62, 0x6f, 0x75, 0x74, 0x20, 0x74, 0x68, 0x65, 0x20, 0x73, 0x69, 0x7a, 0x65, 0x20, 0x6f, 0x66, 0x20, 0x61, 0x20, 0x47, 0x65, 0x72, 0x6d, 0x61, 0x6e, 0x20, 0x73, 0x68, 0x65, 0x70, 0x68, 0x65, 0x72, 0x64, 0x20, 0x62, 0x75, 0x74, 0x20, 0x6c, 0x6f, 0x6f, 0x6b, 0x73, 0x20, 0x6d, 0x6f, 0x72, 0x65, 0x20, 0x6c, 0x69, 0x6b, 0x65, 0x20, 0x61, 0x20, 0x6c, 0x6f, 0x6e, 0x67, 0x2d, 0x6c, 0x65, 0x67, 0x67, 0x65, 0x64, 0x20, 0x66, 0x6f, 0x78, 0x2e, 0x20, 0x54, 0x68, 0x69, 0x73, 0x20, 0x68, 0x69, 0x67, 0x68, 0x6c, 0x79, 0x20, 0x65, 0x6c, 0x75, 0x73, 0x69, 0x76, 0x65, 0x20, 0x61, 0x6e, 0x64, 0x20, 0x73, 0x6b, 0x69, 0x6c, 0x6c, 0x65, 0x64, 0x20, 0x6a, 0x75, 0x6d, 0x70, 0x65, 0x72, 0x20, 0x69, 0x73, 0x20, 0x63, 0x6c, 0x61, 0x73, 0x73, 0x69, 0x66, 0x69, 0x65, 0x64, 0x20, 0x77, 0x69, 0x74, 0x68, 0x20, 0x77, 0x6f, 0x6c, 0x76, 0x65, 0x73, 0x2c, 0x20, 0x63, 0x6f, 0x79, 0x6f, 0x74, 0x65, 0x73, 0x2c, 0x20, 0x6a, 0x61, 0x63, 0x6b, 0x61, 0x6c, 0x73, 0x2c, 0x20, 0x61, 0x6e, 0x64, 0x20, 0x66, 0x6f, 0x78, 0x65, 0x73, 0x20, 0x69, 0x6e, 0x20, 0x74, 0x68, 0x65, 0x20, 0x74, 0x61, 0x78, 0x6f, 0x6e, 0x6f, 0x6d, 0x69, 0x63, 0x20, 0x66, 0x61, 0x6d, 0x69, 0x6c, 0x79, 0x20, 0x43, 0x61, 0x6e, 0x69, 0x64, 0x61, 0x65, 0x2e, }; static const unsigned char cipher[] = { 0x45, 0x59, 0xab, 0xba, 0x4e, 0x48, 0xc1, 0x61, 0x02, 0xe8, 0xbb, 0x2c, 0x05, 0xe6, 0x94, 0x7f, 0x50, 0xa7, 0x86, 0xde, 0x16, 0x2f, 0x9b, 0x0b, 0x7e, 0x59, 0x2a, 0x9b, 0x53, 0xd0, 0xd4, 0xe9, 0x8d, 0x8d, 0x64, 0x10, 0xd5, 0x40, 0xa1, 0xa6, 0x37, 0x5b, 0x26, 0xd8, 0x0d, 0xac, 0xe4, 0xfa, 0xb5, 0x23, 0x84, 0xc7, 0x31, 0xac, 0xbf, 0x16, 0xa5, 0x92, 0x3c, 0x0c, 0x48, 0xd3, 0x57, 0x5d, 0x4d, 0x0d, 0x2c, 0x67, 0x3b, 0x66, 0x6f, 0xaa, 0x73, 0x10, 0x61, 0x27, 0x77, 0x01, 0x09, 0x3a, 0x6b, 0xf7, 0xa1, 0x58, 0xa8, 0x86, 0x42, 0x92, 0xa4, 0x1c, 0x48, 0xe3, 0xa9, 0xb4, 0xc0, 0xda, 0xec, 0xe0, 0xf8, 0xd9, 0x8d, 0x0d, 0x7e, 0x05, 0xb3, 0x7a, 0x30, 0x7b, 0xbb, 0x66, 0x33, 0x31, 0x64, 0xec, 0x9e, 0x1b, 0x24, 0xea, 0x0d, 0x6c, 0x3f, 0xfd, 0xdc, 0xec, 0x4f, 0x68, 0xe7, 0x44, 0x30, 0x56, 0x19, 0x3a, 0x03, 0xc8, 0x10, 0xe1, 0x13, 0x44, 0xca, 0x06, 0xd8, 0xed, 0x8a, 0x2b, 0xfb, 0x1e, 0x8d, 0x48, 0xcf, 0xa6, 0xbc, 0x0e, 0xb4, 0xe2, 0x46, 0x4b, 0x74, 0x81, 0x42, 0x40, 0x7c, 0x9f, 0x43, 0x1a, 0xee, 0x76, 0x99, 0x60, 0xe1, 0x5b, 0xa8, 0xb9, 0x68, 0x90, 0x46, 0x6e, 0xf2, 0x45, 0x75, 0x99, 0x85, 0x23, 0x85, 0xc6, 0x61, 0xf7, 0x52, 0xce, 0x20, 0xf9, 0xda, 0x0c, 0x09, 0xab, 0x6b, 0x19, 0xdf, 0x74, 0xe7, 0x6a, 0x95, 0x96, 0x74, 0x46, 0xf8, 0xd0, 0xfd, 0x41, 0x5e, 0x7b, 0xee, 0x2a, 0x12, 0xa1, 0x14, 0xc2, 0x0e, 0xb5, 0x29, 0x2a, 0xe7, 0xa3, 0x49, 0xae, 0x57, 0x78, 0x20, 0xd5, 0x52, 0x0a, 0x1f, 0x3f, 0xb6, 0x2a, 0x17, 0xce, 0x6a, 0x7e, 0x68, 0xfa, 0x7c, 0x79, 0x11, 0x1d, 0x88, 0x60, 0x92, 0x0b, 0xc0, 0x48, 0xef, 0x43, 0xfe, 0x84, 0x48, 0x6c, 0xcb, 0x87, 0xc2, 0x5f, 0x0a, 0xe0, 0x45, 0xf0, 0xcc, 0xe1, 0xe7, 0x98, 0x9a, 0x9a, 0xa2, 0x20, 0xa2, 0x8b, 0xdd, 0x48, 0x27, 0xe7, 0x51, 0xa2, 0x4a, 0x6d, 0x5c, 0x62, 0xd7, 0x90, 0xa6, 0x63, 0x93, 0xb9, 0x31, 0x11, 0xc1, 0xa5, 0x5d, 0xd7, 0x42, 0x1a, 0x10, 0x18, 0x49, 0x74, 0xc7, 0xc5, }; unsigned char out[sizeof(cipher)]; int failed = 0; size_t k; CRYPTO_xchacha_20(out, plain, sizeof(out), key, iv); if (memcmp(out, cipher, sizeof(out)) != 0) { printf("XChaCha20 failed!\n"); printf("Got:\t"); for (k = 0; k < sizeof(out); k++) printf("%2.2x", out[k]); printf("\n"); printf("Want:\t"); for (k = 0; k < sizeof(cipher); k++) printf("%2.2x", cipher[k]); printf("\n"); failed = 1; } return (failed); } int main(int argc, char **argv) { struct chacha_tv *tv; unsigned char *in, *out; size_t i, j, k; int failed = 0; for (i = 0; i < N_VECTORS; i++) { tv = &chacha_test_vectors[i]; for (j = 0; j < N_FUNCS; j++) { in = calloc(1, tv->len); if (in == NULL) errx(1, "calloc in"); out = calloc(1, tv->len); if (out == NULL) errx(1, "calloc out"); chacha_test_functions[j].func(tv, out, in); if (memcmp(out, tv->out, tv->len) != 0) { printf("ChaCha %s failed for \"%s\"!\n", chacha_test_functions[j].name, tv->desc); printf("Got:\t"); for (k = 0; k < tv->len; k++) printf("%2.2x", out[k]); printf("\n"); printf("Want:\t"); for (k = 0; k < tv->len; k++) printf("%2.2x", tv->out[k]); printf("\n"); failed = 1; } free(in); free(out); } } if (crypto_hchacha_20_test() != 0) failed = 1; if (crypto_xchacha_20_test() != 0) failed = 1; return failed; }