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/*
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* SHA-1 in C
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* By Steve Reid <sreid@sea-to-sky.net>
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* 100% Public Domain
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*/
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#include "crypt-port.h"
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#include "alg-sha1.h"
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#include <stdio.h>
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#if INCLUDE_sha1
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/* Test Vectors (from FIPS PUB 180-1) */
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const char *test_data[3] =
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{
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"abc",
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"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq",
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"A million repetitions of 'a'"
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};
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const char *test_results[3] =
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{
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"a9993e364706816aba3e25717850c26c9cd0d89d",
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"84983e441c3bd26ebaae4aa1f95129e5e54670f1",
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"34aa973cd4c4daa4f61eeb2bdbad27316534016f"
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};
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static inline void
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bin_to_hex (uint8_t *digest, char *output)
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{
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for (uint8_t i = 0; i < 20; ++i)
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{
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sprintf (output, "%02x", *digest);
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++digest;
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output += 2;
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}
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}
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int
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main (void)
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{
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int k;
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struct sha1_ctx ctx;
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uint8_t digest[20];
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char output[80];
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uint8_t retval = 0;
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for (k = 0; k < 2; k++)
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{
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sha1_init_ctx (&ctx;;
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sha1_process_bytes ((const uint8_t*)test_data[k], &ctx, strlen(test_data[k]));
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sha1_finish_ctx (&ctx, digest);
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bin_to_hex(digest, output);
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if (strcmp(output, test_results[k]))
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{
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fprintf(stdout, "FAIL\n");
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fprintf(stderr,"* hash of \"%s\" incorrect:\n", test_data[k]);
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fprintf(stderr,"\t%s returned\n", output);
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fprintf(stderr,"\t%s is correct\n", test_results[k]);
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retval = 1;
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}
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}
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/* million 'a' vector we feed separately */
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sha1_init_ctx (&ctx;;
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for (k = 0; k < 1000000; k++)
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sha1_process_bytes ((const uint8_t*)"a", &ctx, 1);
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sha1_finish_ctx (&ctx, digest);
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bin_to_hex(digest, output);
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if (strcmp(output, test_results[2]))
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{
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fprintf(stdout, "FAIL\n");
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fprintf(stderr,"* hash of \"%s\" incorrect:\n", test_data[2]);
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fprintf(stderr,"\t%s returned\n", output);
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fprintf(stderr,"\t%s is correct\n", test_results[2]);
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retval = 1;
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}
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/* success */
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return retval;
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}
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#else
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int
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main (void)
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{
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return 77; /* UNSUPPORTED */
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}
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#endif
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