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27 lines
505 B
C
27 lines
505 B
C
/* public domain sha224 implementation based on fips180-3 */
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#include <stdint.h>
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#include "../sha224.h"
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extern void sha256_sum_n(void *, uint8_t *, int n);
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void
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sha224_init(void *ctx)
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{
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struct sha224 *s = ctx;
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s->len = 0;
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s->h[0] = 0xc1059ed8;
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s->h[1] = 0x367cd507;
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s->h[2] = 0x3070dd17;
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s->h[3] = 0xf70e5939;
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s->h[4] = 0xffc00b31;
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s->h[5] = 0x68581511;
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s->h[6] = 0x64f98fa7;
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s->h[7] = 0xbefa4fa4;
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}
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void
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sha224_sum(void *ctx, uint8_t md[SHA224_DIGEST_LENGTH])
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{
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sha256_sum_n(ctx, md, 8);
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}
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