2 * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 /* We need to use some engine deprecated APIs */
11 #define OPENSSL_SUPPRESS_DEPRECATED
15 #include <sys/types.h>
17 #include "internal/cryptlib.h"
19 #include <openssl/engine.h>
20 #include <openssl/err.h>
21 #include <openssl/evp.h>
22 #include <openssl/buffer.h>
23 #include <openssl/x509.h>
24 #include "crypto/x509.h"
26 #ifndef OPENSSL_NO_DEPRECATED_3_0
28 int ASN1_digest(i2d_of_void *i2d, const EVP_MD *type, char *data,
29 unsigned char *md, unsigned int *len)
32 unsigned char *str, *p;
34 inl = i2d(data, NULL);
36 ASN1err(ASN1_F_ASN1_DIGEST, ERR_R_INTERNAL_ERROR);
39 if ((str = OPENSSL_malloc(inl)) == NULL) {
40 ASN1err(ASN1_F_ASN1_DIGEST, ERR_R_MALLOC_FAILURE);
46 if (!EVP_Digest(str, inl, md, len, type, NULL)) {
56 int asn1_item_digest_ex(const ASN1_ITEM *it, const EVP_MD *md, void *asn,
57 unsigned char *data, unsigned int *len,
58 OPENSSL_CTX *libctx, const char *propq)
61 unsigned char *str = NULL;
62 EVP_MD *fetched_md = (EVP_MD *)md;
64 i = ASN1_item_i2d(asn, &str, it);
65 if (i < 0 || str == NULL)
68 if (EVP_MD_provider(md) == NULL) {
69 #if !defined(OPENSSL_NO_ENGINE)
70 ENGINE *tmpeng = ENGINE_get_digest_engine(EVP_MD_type(md));
73 ENGINE_finish(tmpeng);
76 fetched_md = EVP_MD_fetch(libctx, EVP_MD_name(md), propq);
78 if (fetched_md == NULL)
81 ret = EVP_Digest(str, i, data, len, fetched_md, NULL);
85 EVP_MD_free(fetched_md);
89 int ASN1_item_digest(const ASN1_ITEM *it, const EVP_MD *md, void *asn,
90 unsigned char *data, unsigned int *len)
92 return asn1_item_digest_ex(it, md, asn, data, len, NULL, NULL);