| =pod |
| |
| =head1 NAME |
| |
| EVP_PKEY_CTX_get0_libctx, |
| EVP_PKEY_CTX_get0_propq, |
| EVP_PKEY_CTX_get0_provider |
| - functions for getting diverse information from an EVP_PKEY_CTX |
| |
| =head1 SYNOPSIS |
| |
| #include <openssl/evp.h> |
| |
| OSSL_LIB_CTX *EVP_PKEY_CTX_get0_libctx(EVP_PKEY_CTX *ctx); |
| const char *EVP_PKEY_CTX_get0_propq(const EVP_PKEY_CTX *ctx); |
| const OSSL_PROVIDER *EVP_PKEY_CTX_get0_provider(const EVP_PKEY_CTX *ctx); |
| |
| =head1 DESCRIPTION |
| |
| EVP_PKEY_CTX_get0_libctx() and EVP_PKEY_CTX_get0_propq() obtain the |
| OSSL_LIB_CTX and property query string values respectively that were |
| associated with the EVP_PKEY_CTX when it was constructed. |
| |
| EVP_PKEY_CTX_get0_provider() returns the provider associated with the |
| ongoing B<EVP_PKEY_CTX> operation. If the operation is performed by |
| en B<ENGINE>, this function returns NULL. |
| |
| =head1 RETURN VALUES |
| |
| EVP_PKEY_CTX_get0_libctx() and EVP_PKEY_CTX_get0_propq() functions return the |
| OSSL_LIB_CTX and property query string associated with the EVP_PKEY_CTX or NULL |
| if they are not set. The returned values should not be freed by the caller. |
| |
| EVP_PKEY_CTX_get0_provider() returns a provider if an operation performed by |
| a provider is ongoing, otherwise NULL. |
| |
| =head1 SEE ALSO |
| |
| L<EVP_PKEY_CTX_new(3)> |
| |
| =head1 HISTORY |
| |
| All functions were added in OpenSSL 3.0. |
| |
| =head1 COPYRIGHT |
| |
| Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved. |
| |
| Licensed under the Apache License 2.0 (the "License"). You may not use |
| this file except in compliance with the License. You can obtain a copy |
| in the file LICENSE in the source distribution or at |
| L<https://www.openssl.org/source/license.html>. |
| |
| =cut |
