check_chain_extensions(): Add check that Basic Constraints of CA cert are marked...
[openssl.git] / include / openssl / encoder.h
1 /*
2  * Copyright 2019-2020 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 OPENSSL_ENCODER_H
11 # define OPENSSL_ENCODER_H
12 # pragma once
13
14 # include <openssl/opensslconf.h>
15
16 # ifndef OPENSSL_NO_STDIO
17 #  include <stdio.h>
18 # endif
19 # include <stdarg.h>
20 # include <stddef.h>
21 # include <openssl/encodererr.h>
22 # include <openssl/types.h>
23 # include <openssl/core.h>
24
25 # ifdef __cplusplus
26 extern "C" {
27 # endif
28
29 OSSL_ENCODER *OSSL_ENCODER_fetch(OPENSSL_CTX *libctx, const char *name,
30                                  const char *properties);
31 int OSSL_ENCODER_up_ref(OSSL_ENCODER *encoder);
32 void OSSL_ENCODER_free(OSSL_ENCODER *encoder);
33
34 const OSSL_PROVIDER *OSSL_ENCODER_provider(const OSSL_ENCODER *encoder);
35 const char *OSSL_ENCODER_properties(const OSSL_ENCODER *encoder);
36 int OSSL_ENCODER_number(const OSSL_ENCODER *encoder);
37 int OSSL_ENCODER_is_a(const OSSL_ENCODER *encoder, const char *name);
38
39 void OSSL_ENCODER_do_all_provided(OPENSSL_CTX *libctx,
40                                   void (*fn)(OSSL_ENCODER *encoder, void *arg),
41                                   void *arg);
42 void OSSL_ENCODER_names_do_all(const OSSL_ENCODER *encoder,
43                                void (*fn)(const char *name, void *data),
44                                void *data);
45
46 const OSSL_PARAM *OSSL_ENCODER_settable_ctx_params(OSSL_ENCODER *encoder);
47 OSSL_ENCODER_CTX *OSSL_ENCODER_CTX_new(OSSL_ENCODER *encoder);
48 const OSSL_ENCODER *OSSL_ENCODER_CTX_get_encoder(OSSL_ENCODER_CTX *ctx);
49 int OSSL_ENCODER_CTX_set_params(OSSL_ENCODER_CTX *ctx,
50                                 const OSSL_PARAM params[]);
51 void OSSL_ENCODER_CTX_free(OSSL_ENCODER_CTX *ctx);
52
53 /* Utilities that help set specific parameters */
54 int OSSL_ENCODER_CTX_set_cipher(OSSL_ENCODER_CTX *ctx,
55                                 const char *cipher_name,
56                                 const char *propquery);
57 int OSSL_ENCODER_CTX_set_passphrase(OSSL_ENCODER_CTX *ctx,
58                                     const unsigned char *kstr,
59                                     size_t klen);
60 int OSSL_ENCODER_CTX_set_passphrase_cb(OSSL_ENCODER_CTX *ctx,
61                                        pem_password_cb *cb, void *cbarg);
62 int OSSL_ENCODER_CTX_set_passphrase_ui(OSSL_ENCODER_CTX *ctx,
63                                        const UI_METHOD *ui_method,
64                                        void *ui_data);
65
66 /* Utilities to output the object to encode */
67 int OSSL_ENCODER_to_bio(OSSL_ENCODER_CTX *ctx, BIO *out);
68 #ifndef OPENSSL_NO_STDIO
69 int OSSL_ENCODER_to_fp(OSSL_ENCODER_CTX *ctx, FILE *fp);
70 #endif
71
72 /*
73  * Create the OSSL_ENCODER_CTX with an associated type.  This will perform
74  * an implicit OSSL_ENCODER_fetch(), suitable for the object of that type.
75  * This is more useful than calling OSSL_ENCODER_CTX_new().
76  */
77 OSSL_ENCODER_CTX *OSSL_ENCODER_CTX_new_by_EVP_PKEY(const EVP_PKEY *pkey,
78                                                    const char *propquery);
79
80 /*
81  * These macros define the last argument to pass to
82  * OSSL_ENCODER_CTX_new_by_TYPE().
83  */
84 # define OSSL_ENCODER_PUBKEY_TO_PEM_PQ "format=pem,type=public"
85 # define OSSL_ENCODER_PrivateKey_TO_PEM_PQ "format=pem,type=private"
86 # define OSSL_ENCODER_Parameters_TO_PEM_PQ "format=pem,type=parameters"
87
88 # define OSSL_ENCODER_PUBKEY_TO_DER_PQ "format=der,type=public"
89 # define OSSL_ENCODER_PrivateKey_TO_DER_PQ "format=der,type=private"
90 # define OSSL_ENCODER_Parameters_TO_DER_PQ "format=der,type=parameters"
91
92 /* Corresponding macros for text output */
93 # define OSSL_ENCODER_PUBKEY_TO_TEXT_PQ "format=text,type=public"
94 # define OSSL_ENCODER_PrivateKey_TO_TEXT_PQ "format=text,type=private"
95 # define OSSL_ENCODER_Parameters_TO_TEXT_PQ "format=text,type=parameters"
96
97 # ifdef __cplusplus
98 }
99 # endif
100 #endif