[openssl/openssl] 0c7d6a: des: prevent error when using two key triple DES w...

[Pauli]

  Branch: refs/heads/openssl-3.0
  Home:   https://github.com/openssl/openssl
  Commit: 0c7d6a5557f91cbacbd9534e17cf8a90c3d57952
      https://github.com/openssl/openssl/commit/0c7d6a5557f91cbacbd9534e17cf8a90c3d57952
  Author: Pauli <pauli at openssl.org>
  Date:   2023-02-08 (Wed, 08 Feb 2023)

  Changed paths:
    M providers/implementations/ciphers/cipher_tdes_common.c
    M test/destest.c

  Log Message:
  -----------
  des: prevent error when using two key triple DES with a random key

Two key 3DES only sets two keys and the random generation errors out if fewer
than three keys are required.  It shouldn't.

Fixes #20212

Reviewed-by: Tomas Mraz <tomas at openssl.org>
Reviewed-by: Matt Caswell <matt at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20224)

(cherry picked from commit 587e0407803af330c0b04238fcbce78521ce35d7)