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