1 /*
2  * Copyright 2020-2021 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_CRYPTO_DECODER_H
11 # define OSSL_CRYPTO_DECODER_H
12 # pragma once
13 
14 # include <openssl/decoder.h>
15 
16 OSSL_DECODER *ossl_decoder_fetch_by_number(OSSL_LIB_CTX *libctx,
17                                                      int id,
18                                                      const char *properties);
19 
20 /*
21  * These are specially made for the 'file:' provider-native loader, which
22  * uses this to install a DER to anything decoder, which doesn't do much
23  * except read a DER blob and pass it on as a provider object abstraction
24  * (provider-object(7)).
25  */
26 void *ossl_decoder_from_algorithm(int id, const OSSL_ALGORITHM *algodef,
27                                   OSSL_PROVIDER *prov);
28 
29 OSSL_DECODER_INSTANCE *
30 ossl_decoder_instance_new(OSSL_DECODER *decoder, void *decoderctx);
31 void ossl_decoder_instance_free(OSSL_DECODER_INSTANCE *decoder_inst);
32 int ossl_decoder_ctx_add_decoder_inst(OSSL_DECODER_CTX *ctx,
33                                       OSSL_DECODER_INSTANCE *di);
34 
35 int ossl_decoder_ctx_setup_for_pkey(OSSL_DECODER_CTX *ctx,
36                                     EVP_PKEY **pkey, const char *keytype,
37                                     OSSL_LIB_CTX *libctx,
38                                     const char *propquery);
39 
40 int ossl_decoder_get_number(const OSSL_DECODER *encoder);
41 
42 #endif
43