1 /* ====================================================================
2 * Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
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9 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in
13 * the documentation and/or other materials provided with the
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17 * software must display the following acknowledgment:
18 * "This product includes software developed by the OpenSSL Project
19 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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32 * "This product includes software developed by the OpenSSL Project
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47 * ====================================================================
50 #ifndef OPENSSL_NO_POLY1305
56 #include <openssl/poly1305.h>
65 static const struct poly1305_test poly1305_tests[] = {
68 "c8afaac331ee372cd6082de134943b174710130e9f6fea8d72293850a667d86c",
69 "4710130e9f6fea8d72293850a667d86c",
72 "48656c6c6f20776f726c6421",
73 "746869732069732033322d62797465206b657920666f7220506f6c7931333035",
74 "a6f745008f81c916a20dcc74eef2b2f0",
77 "0000000000000000000000000000000000000000000000000000000000000000",
78 "746869732069732033322d62797465206b657920666f7220506f6c7931333035",
79 "49ec78090e481ec6c26b33b91ccc0307",
83 static unsigned char hex_digit(char h)
85 if (h >= '0' && h <= '9')
87 else if (h >= 'a' && h <= 'f')
89 else if (h >= 'A' && h <= 'F')
95 static void hex_decode(unsigned char *out, const char* hex)
101 unsigned char v = hex_digit(*hex++);
103 v |= hex_digit(*hex++);
108 static void hexdump(unsigned char *a, size_t len)
112 for (i = 0; i < len; i++)
113 printf("%02x", a[i]);
118 static const unsigned num_tests =
119 sizeof(poly1305_tests) / sizeof(struct poly1305_test);
121 unsigned char key[32], out[16], expected[16];
122 poly1305_state poly1305;
124 for (i = 0; i < num_tests; i++)
126 const struct poly1305_test *test = &poly1305_tests[i];
128 size_t inlen = strlen(test->inputhex);
130 if (strlen(test->keyhex) != sizeof(key)*2 ||
131 strlen(test->outhex) != sizeof(out)*2 ||
137 hex_decode(key, test->keyhex);
138 hex_decode(expected, test->outhex);
142 hex_decode(in, test->inputhex);
143 CRYPTO_poly1305_init(&poly1305, key);
144 CRYPTO_poly1305_update(&poly1305, in, inlen);
145 CRYPTO_poly1305_finish(&poly1305, out);
147 if (memcmp(out, expected, sizeof(expected)) != 0)
149 printf("Poly1305 test #%d failed.\n", i);
151 hexdump(out, sizeof(out));
152 printf("\nexpected: ");
153 hexdump(expected, sizeof(expected));
165 #else /* OPENSSL_NO_POLY1305 */
167 int main() { return 0; }