| 1 | /*
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| 2 | * Copyright 2019-2022 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 | * SHA 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 <openssl/crypto.h>
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| 17 | #include <openssl/core_dispatch.h>
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| 18 | #include <openssl/evp.h>
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| 19 | #include <openssl/sha.h>
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| 20 | #include <openssl/params.h>
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| 21 | #include <openssl/core_names.h>
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| 22 | #include "prov/digestcommon.h"
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| 23 | #include "prov/implementations.h"
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| 24 | #include "crypto/sha.h"
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| 25 |
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| 26 | #define SHA2_FLAGS PROV_DIGEST_FLAG_ALGID_ABSENT
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| 27 |
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| 28 | static OSSL_FUNC_digest_set_ctx_params_fn sha1_set_ctx_params;
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| 29 | static OSSL_FUNC_digest_settable_ctx_params_fn sha1_settable_ctx_params;
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| 30 |
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| 31 | static const OSSL_PARAM known_sha1_settable_ctx_params[] = {
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| 32 | {OSSL_DIGEST_PARAM_SSL3_MS, OSSL_PARAM_OCTET_STRING, NULL, 0, 0},
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| 33 | OSSL_PARAM_END
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| 34 | };
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| 35 | static const OSSL_PARAM *sha1_settable_ctx_params(ossl_unused void *ctx,
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| 36 | ossl_unused void *provctx)
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| 37 | {
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| 38 | return known_sha1_settable_ctx_params;
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| 39 | }
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| 40 |
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| 41 | /* Special set_params method for SSL3 */
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| 42 | static int sha1_set_ctx_params(void *vctx, const OSSL_PARAM params[])
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| 43 | {
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| 44 | const OSSL_PARAM *p;
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| 45 | SHA_CTX *ctx = (SHA_CTX *)vctx;
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| 46 |
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| 47 | if (ctx == NULL)
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| 48 | return 0;
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| 49 | if (params == NULL)
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| 50 | return 1;
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| 51 |
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| 52 | p = OSSL_PARAM_locate_const(params, OSSL_DIGEST_PARAM_SSL3_MS);
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| 53 | if (p != NULL && p->data_type == OSSL_PARAM_OCTET_STRING)
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| 54 | return ossl_sha1_ctrl(ctx, EVP_CTRL_SSL3_MASTER_SECRET,
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| 55 | p->data_size, p->data);
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| 56 | return 1;
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| 57 | }
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| 58 |
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| 59 | /* ossl_sha1_functions */
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| 60 | IMPLEMENT_digest_functions_with_settable_ctx(
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| 61 | sha1, SHA_CTX, SHA_CBLOCK, SHA_DIGEST_LENGTH, SHA2_FLAGS,
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| 62 | SHA1_Init, SHA1_Update, SHA1_Final,
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| 63 | sha1_settable_ctx_params, sha1_set_ctx_params)
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| 64 |
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| 65 | /* ossl_sha224_functions */
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| 66 | IMPLEMENT_digest_functions(sha224, SHA256_CTX,
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| 67 | SHA256_CBLOCK, SHA224_DIGEST_LENGTH, SHA2_FLAGS,
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| 68 | SHA224_Init, SHA224_Update, SHA224_Final)
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| 69 |
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| 70 | /* ossl_sha256_functions */
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| 71 | IMPLEMENT_digest_functions(sha256, SHA256_CTX,
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| 72 | SHA256_CBLOCK, SHA256_DIGEST_LENGTH, SHA2_FLAGS,
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| 73 | SHA256_Init, SHA256_Update, SHA256_Final)
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| 74 |
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| 75 | /* ossl_sha384_functions */
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| 76 | IMPLEMENT_digest_functions(sha384, SHA512_CTX,
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| 77 | SHA512_CBLOCK, SHA384_DIGEST_LENGTH, SHA2_FLAGS,
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| 78 | SHA384_Init, SHA384_Update, SHA384_Final)
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| 79 |
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| 80 | /* ossl_sha512_functions */
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| 81 | IMPLEMENT_digest_functions(sha512, SHA512_CTX,
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| 82 | SHA512_CBLOCK, SHA512_DIGEST_LENGTH, SHA2_FLAGS,
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| 83 | SHA512_Init, SHA512_Update, SHA512_Final)
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| 84 |
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| 85 | /* ossl_sha512_224_functions */
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| 86 | IMPLEMENT_digest_functions(sha512_224, SHA512_CTX,
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| 87 | SHA512_CBLOCK, SHA224_DIGEST_LENGTH, SHA2_FLAGS,
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| 88 | sha512_224_init, SHA512_Update, SHA512_Final)
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| 89 |
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| 90 | /* ossl_sha512_256_functions */
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| 91 | IMPLEMENT_digest_functions(sha512_256, SHA512_CTX,
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| 92 | SHA512_CBLOCK, SHA256_DIGEST_LENGTH, SHA2_FLAGS,
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| 93 | sha512_256_init, SHA512_Update, SHA512_Final)
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