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#include <openssl/core.h>
#include <openssl/core_numbers.h>
#include <openssl/params.h>
#include "gost_prov.h"
#include "gosthash2012.h"
const char micalg_256[] = "gostr3411-2012-256";
const char micalg_512[] = "gostr3411-2012-512";
/* Context management */
static void *STREEBOG256_newctx(void *provctx);
static void STREEBOG_freectx(void *dctx);
static void *STREEBOG_dupctx(void *dctx);
/* Digest generation */
static int STREEBOG256_digest_init(void *dctx);
static int STREEBOG_digest_update(void *dctx, const unsigned char *in, size_t inl);
static int STREEBOG_digest_final(void *dctx, unsigned char *out, size_t *outl,
size_t outsz);
/* Digest parameter descriptors */
static const OSSL_PARAM *STREEBOG_gettable_params(void);
static int STREEBOG256_digest_get_params(OSSL_PARAM params[]);
OSSL_DISPATCH streebog256_funcs[] = {
{ OSSL_FUNC_DIGEST_NEWCTX, (funcptr_t)STREEBOG256_newctx },
{ OSSL_FUNC_DIGEST_FREECTX, (funcptr_t)STREEBOG_freectx },
{ OSSL_FUNC_DIGEST_DUPCTX, (funcptr_t)STREEBOG_dupctx },
{ OSSL_FUNC_DIGEST_INIT, (funcptr_t)STREEBOG256_digest_init },
{ OSSL_FUNC_DIGEST_UPDATE, (funcptr_t)STREEBOG_digest_update },
{ OSSL_FUNC_DIGEST_FINAL, (funcptr_t)STREEBOG_digest_final },
{ OSSL_FUNC_DIGEST_GETTABLE_PARAMS, (funcptr_t)STREEBOG_gettable_params },
{ OSSL_FUNC_DIGEST_GET_PARAMS, (funcptr_t)STREEBOG256_digest_get_params },
{ 0, NULL },
};
static void *STREEBOG256_newctx(void *provctx)
{
gost2012_hash_ctx *pctx = OPENSSL_zalloc(sizeof(gost2012_hash_ctx));
return pctx;
}
static void STREEBOG_freectx(void *dctx)
{
OPENSSL_free(dctx);
}
static void *STREEBOG_dupctx(void *dctx)
{
gost2012_hash_ctx *pctx = OPENSSL_zalloc(sizeof(gost2012_hash_ctx));
if (pctx == NULL)
return NULL;
if (pctx)
memcpy(pctx, dctx, sizeof(gost2012_hash_ctx));
return pctx;
}
static int STREEBOG256_digest_init(void *dctx)
{
init_gost2012_hash_ctx((gost2012_hash_ctx *)dctx, 256);
return 1;
}
static int STREEBOG_digest_update(void *dctx, const unsigned char *in, size_t inl)
{
gost2012_hash_block((gost2012_hash_ctx *)dctx, in, inl);
return 1;
}
static int STREEBOG_digest_final(void *dctx, unsigned char *out, size_t *outl,
size_t outsz)
{
gost2012_hash_ctx *pctx = (gost2012_hash_ctx *)dctx;
if (pctx->digest_size/8 > outsz)
return 0;
gost2012_finish_hash(pctx, out);
*outl = pctx->digest_size/8;
return 1;
}
static const OSSL_PARAM *STREEBOG_gettable_params(void)
{
static const OSSL_PARAM table[] = {
OSSL_PARAM_size_t("blocksize", NULL),
OSSL_PARAM_size_t("size", NULL),
/* OSSL_PARAM_utf8_ptr("micalg", NULL, strlen(micalg_256)+1), */
OSSL_PARAM_END
};
return table;
}
static int STREEBOG256_digest_get_params(OSSL_PARAM params[])
{
OSSL_PARAM *p;
if ((p = OSSL_PARAM_locate(params, "blocksize")) != NULL)
if (!OSSL_PARAM_set_size_t(p, 64))
return 0;
if ((p = OSSL_PARAM_locate(params, "size")) != NULL)
if (!OSSL_PARAM_set_size_t(p, 32))
return 0;
/* if ((p = OSSL_PARAM_locate(params, "micalg")) != NULL)
if (!OSSL_PARAM_set_utf8_ptr(p, micalg_256))
return 0; */
return 1;
}
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