EVP_KDF-X942-CONCAT(7ssl)

EVP_KDF-X942-CONCAT7ssl

The x942 concat evp_kdf implementation

Overview

The EVP_KDF-X942-CONCAT algorithm is identical to EVP_KDF-X963. It is used for key agreement to derive a key using input such as a shared secret key and shared info.

Identity

"X942KDF_CONCAT" is the name for this implementation; it can be used with the EVP_KDF_fetch() function.

This is an alias for "X963KDF".

See EVP_KDF-X963(7) for a list of supported parameters and examples.

Releases

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

  1. 12
  2. 13
  3. Arch

History

This functionality was 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.