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#include <string.h>
#include "sysdeps.h"
#include "hmac.h"
#include "sha384.h"
struct midstate
{
uint64 H[8];
};
static void extract(const void* statep, void* midstatep)
{
const SHA384_ctx* ctx = statep;
struct midstate* mid = midstatep;
memcpy(mid->H, ctx->H, 8 * sizeof(mid->H[0]));
}
static void inject(void* statep, const void* midstatep)
{
SHA384_ctx* ctx = statep;
const struct midstate* mid = midstatep;
memcpy(ctx->H, mid->H, 8 * sizeof(mid->H[0]));
ctx->bytes = 128;
}
const struct hmac_control_block hmac_sha384 = {
.state_size = sizeof(SHA384_ctx),
.block_size = 128,
.digest_size = SHA384_DIGEST_LENGTH,
.midstate_size = sizeof(struct midstate),
.init = (hmac_init_fn)SHA384_init,
.update = (hmac_update_fn)SHA384_update,
.finalize = (hmac_finalize_fn)SHA384_final,
.extract = extract,
.inject = inject,
};
#ifdef SELFTEST_MAIN
#include "iobuf/obuf.h"
#include "str/str.h"
static void test_hmac(const char* key, const char* data)
{
const str key_str = { (char*)key, strlen(key), 0 };
const str data_str = { (char*)data, strlen(data), 0 };
unsigned char digest[SHA384_DIGEST_LENGTH];
unsigned i;
hmac(&hmac_sha384, &key_str, &data_str, digest);
for (i = 0; i < sizeof digest; ++i)
obuf_putxw(&outbuf, digest[i], 2, '0');
obuf_endl(&outbuf);
}
int main(void)
{
test_hmac("\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b",
"Hi There");
test_hmac("Jefe", "what do ya want for nothing?");
test_hmac("\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa",
"\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd"
"\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd"
"\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd"
"\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd"
"\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd\xdd");
return 0;
}
#endif
#ifdef SELFTEST_EXP
7afaa633e20d379b02395915fbc385ff8dc27dcd3885e1068ab942eeab52ec1f20ad382a92370d8b2e0ac8b83c4d53bf
af45d2e376484031617f78d2b58a6b1b9c7ef464f5a01b47e42ec3736322445e8e2240ca5e69e2c78b3239ecfab21649
1383e82e28286b91f4cc7afbd13d5b5c6f887c05e7c4542484043a37a5fe45802a9470fb663bd7b6570fe2f503fc92f5
#endif
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