openssl-core.h(7ssl)

openssl-core.h7ssl

Openssl core types

Usage

 #include <openssl/core.h>

Overview

The <openssl/core.h> header defines a number of public types that are used to communicate between the OpenSSL libraries and implementation providers. These types are designed to minimise the need for intimate knowledge of internal structures between the OpenSSL libraries and the providers.

The types are:

OSSL_DISPATCH(3)
OSSL_ITEM(3)
OSSL_ALGORITHM(3)
OSSL_PARAM(3)
OSSL_CALLBACK(3)
OSSL_PASSPHRASE_CALLBACK(3)

Releases

3 releases since Debian 12 (Bookworm); the text changed 2 times.

  1. 12
  2. 13
  3. Arch

History

The types described here were added in OpenSSL 3.0.

From openssl 3.6.5-1 in Arch Linux 2026-11-01. Parsed by carta from the page's man source.