1 =pod 2 3 =head1 NAME 4 5 openssl/core.h - OpenSSL Core types 6 7 =head1 SYNOPSIS 8 9 #include <openssl/core.h> 10 11 =head1 DESCRIPTION 12 13 The F<< <openssl/core.h> >> header defines a number of public types that 14 are used to communicate between the OpenSSL libraries and 15 implementation providers. 16 These types are designed to minimise the need for intimate knowledge 17 of internal structures between the OpenSSL libraries and the providers. 18 19 The types are: 20 21 =over 4 22 23 =item L<OSSL_DISPATCH(3)> 24 25 =item L<OSSL_ITEM(3)> 26 27 =item L<OSSL_ALGORITHM(3)> 28 29 =item L<OSSL_PARAM(3)> 30 31 =item L<OSSL_CALLBACK(3)> 32 33 =item L<OSSL_PASSPHRASE_CALLBACK(3)> 34 35 =back 36 37 =head1 SEE ALSO 38 39 L<openssl-core_dispatch.h(7)> 40 41 =head1 HISTORY 42 43 The types described here were added in OpenSSL 3.0. 44 45 =head1 COPYRIGHT 46 47 Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved. 48 49 Licensed under the Apache License 2.0 (the "License"). You may not use 50 this file except in compliance with the License. You can obtain a copy 51 in the file LICENSE in the source distribution or at 52 L<https://www.openssl.org/source/license.html>. 53 54 =cut 55