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/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifdef SUPPORT_SHA3
int
libhashsum_init_sha3_hasher(struct libhashsum_hasher *this, size_t hashbits)
{
struct libkeccak_spec spec;
int r;
if (hashbits == 224U) {
this->algorithm = LIBHASHSUM_SHA3_224;
this->algorithm_string = "SHA3-224";
} else if (hashbits == 256U) {
this->algorithm = LIBHASHSUM_SHA3_256;
this->algorithm_string = "SHA3-256";
} else if (hashbits == 384U) {
this->algorithm = LIBHASHSUM_SHA3_384;
this->algorithm_string = "SHA3-384";
} else if (hashbits == 512U) {
this->algorithm = LIBHASHSUM_SHA3_512;
this->algorithm_string = "SHA3-512";
} else {
errno = EINVAL;
return -1;
}
libkeccak_spec_sha3(&spec, (long int)hashbits);
r = libhashsum_init_keccak__(this, hashbits, &spec, 1U, LIBKECCAK_SHA3_SUFFIX);
this->standard_partial_byte_output_encoding = LIBHASHSUM_UNSUPPORTED;
return r;
}
#else
int
libhashsum_init_sha3_hasher(struct libhashsum_hasher *this, size_t hashbits)
{
(void) this;
(void) hashbits;
errno = ENOSYS;
return -1;
}
#endif
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