| 1 | /*
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| 2 | * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | /*
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| 11 | * MD5 and SHA-1 low level APIs are deprecated for public use, but still ok for
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| 12 | * internal use.
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| 13 | */
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| 14 | #include "internal/deprecated.h"
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| 15 |
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| 16 | #include <string.h>
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| 17 | #include <openssl/crypto.h>
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| 18 | #include <openssl/evp.h>
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| 19 | #include <openssl/params.h>
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| 20 | #include <openssl/core_names.h>
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| 21 | #include "prov/md5_sha1.h"
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| 22 | #include "prov/digestcommon.h"
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| 23 | #include "prov/implementations.h"
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| 24 |
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| 25 | static OSSL_FUNC_digest_set_ctx_params_fn md5_sha1_set_ctx_params;
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| 26 | static OSSL_FUNC_digest_settable_ctx_params_fn md5_sha1_settable_ctx_params;
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| 27 |
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| 28 | static const OSSL_PARAM known_md5_sha1_settable_ctx_params[] = {
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| 29 | {OSSL_DIGEST_PARAM_SSL3_MS, OSSL_PARAM_OCTET_STRING, NULL, 0, 0},
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| 30 | OSSL_PARAM_END
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| 31 | };
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| 32 |
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| 33 | static const OSSL_PARAM *md5_sha1_settable_ctx_params(ossl_unused void *ctx,
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| 34 | ossl_unused void *provctx)
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| 35 | {
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| 36 | return known_md5_sha1_settable_ctx_params;
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| 37 | }
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| 38 |
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| 39 | /* Special set_params method for SSL3 */
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| 40 | static int md5_sha1_set_ctx_params(void *vctx, const OSSL_PARAM params[])
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| 41 | {
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| 42 | const OSSL_PARAM *p;
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| 43 | MD5_SHA1_CTX *ctx = (MD5_SHA1_CTX *)vctx;
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| 44 |
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| 45 | if (ctx == NULL)
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| 46 | return 0;
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| 47 | if (params == NULL)
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| 48 | return 1;
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| 49 |
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| 50 | p = OSSL_PARAM_locate_const(params, OSSL_DIGEST_PARAM_SSL3_MS);
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| 51 | if (p != NULL && p->data_type == OSSL_PARAM_OCTET_STRING)
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| 52 | return ossl_md5_sha1_ctrl(ctx, EVP_CTRL_SSL3_MASTER_SECRET,
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| 53 | p->data_size, p->data);
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| 54 | return 1;
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| 55 | }
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| 56 |
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| 57 | /* ossl_md5_sha1_functions */
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| 58 | IMPLEMENT_digest_functions_with_settable_ctx(
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| 59 | md5_sha1, MD5_SHA1_CTX, MD5_SHA1_CBLOCK, MD5_SHA1_DIGEST_LENGTH, 0,
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| 60 | ossl_md5_sha1_init, ossl_md5_sha1_update, ossl_md5_sha1_final,
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| 61 | md5_sha1_settable_ctx_params, md5_sha1_set_ctx_params)
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