openssl/providers/implementations/digests/mdc2_prov.c
Pauli 5506cd0bbd prov: update digests to support modified ctx params
Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
(Merged from https://github.com/openssl/openssl/pull/14383)
2021-03-12 08:27:21 +10:00

62 lines
1.8 KiB
C

/*
* Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/*
* MDC2 low level APIs are deprecated for public use, but still ok for
* internal use.
*/
#include "internal/deprecated.h"
#include <openssl/crypto.h>
#include <openssl/params.h>
#include <openssl/mdc2.h>
#include <openssl/core_names.h>
#include <openssl/err.h>
#include <openssl/proverr.h>
#include "prov/digestcommon.h"
#include "prov/implementations.h"
static OSSL_FUNC_digest_set_ctx_params_fn mdc2_set_ctx_params;
static OSSL_FUNC_digest_settable_ctx_params_fn mdc2_settable_ctx_params;
static const OSSL_PARAM known_mdc2_settable_ctx_params[] = {
OSSL_PARAM_uint(OSSL_DIGEST_PARAM_PAD_TYPE, NULL),
OSSL_PARAM_END
};
static const OSSL_PARAM *mdc2_settable_ctx_params(ossl_unused void *ctx,
ossl_unused void *provctx)
{
return known_mdc2_settable_ctx_params;
}
static int mdc2_set_ctx_params(void *vctx, const OSSL_PARAM params[])
{
const OSSL_PARAM *p;
MDC2_CTX *ctx = (MDC2_CTX *)vctx;
if (ctx == NULL)
return 0;
if (params == NULL)
return 1;
p = OSSL_PARAM_locate_const(params, OSSL_DIGEST_PARAM_PAD_TYPE);
if (p != NULL && !OSSL_PARAM_get_uint(p, &ctx->pad_type)) {
ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER);
return 0;
}
return 1;
}
/* ossl_mdc2_functions */
IMPLEMENT_digest_functions_with_settable_ctx(
mdc2, MDC2_CTX, MDC2_BLOCK, MDC2_DIGEST_LENGTH, 0,
MDC2_Init, MDC2_Update, MDC2_Final,
mdc2_settable_ctx_params, mdc2_set_ctx_params)