1*b077aed3SPierre Pronchery /*
2*b077aed3SPierre Pronchery * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
3*b077aed3SPierre Pronchery *
4*b077aed3SPierre Pronchery * Licensed under the Apache License 2.0 (the "License"). You may not use
5*b077aed3SPierre Pronchery * this file except in compliance with the License. You can obtain a copy
6*b077aed3SPierre Pronchery * in the file LICENSE in the source distribution or at
7*b077aed3SPierre Pronchery * https://www.openssl.org/source/license.html
8*b077aed3SPierre Pronchery */
9*b077aed3SPierre Pronchery
10*b077aed3SPierre Pronchery /*
11*b077aed3SPierre Pronchery * MDC2 low level APIs are deprecated for public use, but still ok for
12*b077aed3SPierre Pronchery * internal use.
13*b077aed3SPierre Pronchery */
14*b077aed3SPierre Pronchery #include "internal/deprecated.h"
15*b077aed3SPierre Pronchery
16*b077aed3SPierre Pronchery #include <openssl/crypto.h>
17*b077aed3SPierre Pronchery #include <openssl/params.h>
18*b077aed3SPierre Pronchery #include <openssl/mdc2.h>
19*b077aed3SPierre Pronchery #include <openssl/core_names.h>
20*b077aed3SPierre Pronchery #include <openssl/err.h>
21*b077aed3SPierre Pronchery #include <openssl/proverr.h>
22*b077aed3SPierre Pronchery #include "prov/digestcommon.h"
23*b077aed3SPierre Pronchery #include "prov/implementations.h"
24*b077aed3SPierre Pronchery
25*b077aed3SPierre Pronchery static OSSL_FUNC_digest_set_ctx_params_fn mdc2_set_ctx_params;
26*b077aed3SPierre Pronchery static OSSL_FUNC_digest_settable_ctx_params_fn mdc2_settable_ctx_params;
27*b077aed3SPierre Pronchery
28*b077aed3SPierre Pronchery static const OSSL_PARAM known_mdc2_settable_ctx_params[] = {
29*b077aed3SPierre Pronchery OSSL_PARAM_uint(OSSL_DIGEST_PARAM_PAD_TYPE, NULL),
30*b077aed3SPierre Pronchery OSSL_PARAM_END
31*b077aed3SPierre Pronchery };
32*b077aed3SPierre Pronchery
mdc2_settable_ctx_params(ossl_unused void * ctx,ossl_unused void * provctx)33*b077aed3SPierre Pronchery static const OSSL_PARAM *mdc2_settable_ctx_params(ossl_unused void *ctx,
34*b077aed3SPierre Pronchery ossl_unused void *provctx)
35*b077aed3SPierre Pronchery {
36*b077aed3SPierre Pronchery return known_mdc2_settable_ctx_params;
37*b077aed3SPierre Pronchery }
38*b077aed3SPierre Pronchery
mdc2_set_ctx_params(void * vctx,const OSSL_PARAM params[])39*b077aed3SPierre Pronchery static int mdc2_set_ctx_params(void *vctx, const OSSL_PARAM params[])
40*b077aed3SPierre Pronchery {
41*b077aed3SPierre Pronchery const OSSL_PARAM *p;
42*b077aed3SPierre Pronchery MDC2_CTX *ctx = (MDC2_CTX *)vctx;
43*b077aed3SPierre Pronchery
44*b077aed3SPierre Pronchery if (ctx == NULL)
45*b077aed3SPierre Pronchery return 0;
46*b077aed3SPierre Pronchery if (params == NULL)
47*b077aed3SPierre Pronchery return 1;
48*b077aed3SPierre Pronchery
49*b077aed3SPierre Pronchery p = OSSL_PARAM_locate_const(params, OSSL_DIGEST_PARAM_PAD_TYPE);
50*b077aed3SPierre Pronchery if (p != NULL && !OSSL_PARAM_get_uint(p, &ctx->pad_type)) {
51*b077aed3SPierre Pronchery ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_GET_PARAMETER);
52*b077aed3SPierre Pronchery return 0;
53*b077aed3SPierre Pronchery }
54*b077aed3SPierre Pronchery return 1;
55*b077aed3SPierre Pronchery }
56*b077aed3SPierre Pronchery
57*b077aed3SPierre Pronchery /* ossl_mdc2_functions */
58*b077aed3SPierre Pronchery IMPLEMENT_digest_functions_with_settable_ctx(
59*b077aed3SPierre Pronchery mdc2, MDC2_CTX, MDC2_BLOCK, MDC2_DIGEST_LENGTH, 0,
60*b077aed3SPierre Pronchery MDC2_Init, MDC2_Update, MDC2_Final,
61*b077aed3SPierre Pronchery mdc2_settable_ctx_params, mdc2_set_ctx_params)
62