1/*
2 * Copyright 2018-2022 The OpenSSL Project Authors. All Rights Reserved.
3 *
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
8 */
9
10#ifndef OSSL_INTERNAL_PEM_H
11# define OSSL_INTERNAL_PEM_H
12# pragma once
13
14# include <openssl/pem.h>
15# include "crypto/types.h"
16
17/* Found in crypto/pem/pvkfmt.c */
18
19/* Maximum length of a blob after header */
20# define BLOB_MAX_LENGTH          102400
21
22int ossl_do_blob_header(const unsigned char **in, unsigned int length,
23                        unsigned int *pmagic, unsigned int *pbitlen,
24                        int *pisdss, int *pispub);
25unsigned int ossl_blob_length(unsigned bitlen, int isdss, int ispub);
26int ossl_do_PVK_header(const unsigned char **in, unsigned int length,
27                       int skip_magic,
28                       unsigned int *psaltlen, unsigned int *pkeylen);
29# ifndef OPENSSL_NO_DEPRECATED_3_0
30#  ifndef OPENSSL_NO_DSA
31DSA *ossl_b2i_DSA_after_header(const unsigned char **in, unsigned int bitlen,
32                               int ispub);
33#  endif
34RSA *ossl_b2i_RSA_after_header(const unsigned char **in, unsigned int bitlen,
35                               int ispub);
36# endif
37EVP_PKEY *ossl_b2i(const unsigned char **in, unsigned int length, int *ispub);
38EVP_PKEY *ossl_b2i_bio(BIO *in, int *ispub);
39
40# ifndef OPENSSL_NO_DEPRECATED_3_0
41#  ifndef OPENSSL_NO_DSA
42DSA *b2i_DSA_PVK_bio(BIO *in, pem_password_cb *cb, void *u);
43DSA *b2i_DSA_PVK_bio_ex(BIO *in, pem_password_cb *cb, void *u,
44                        OSSL_LIB_CTX *libctx, const char *propq);
45#  endif
46RSA *b2i_RSA_PVK_bio(BIO *in, pem_password_cb *cb, void *u);
47RSA *b2i_RSA_PVK_bio_ex(BIO *in, pem_password_cb *cb, void *u,
48                        OSSL_LIB_CTX *libctx, const char *propq);
49# endif
50
51#endif
52