[openssl/openssl] 8b2685: rsa: Add SP800-56Br2 6.4.1.2.1 (3.c) check

[Clemens Lang]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: 8b268541d9aabee51699aef22963407362830ef9
      https://github.com/openssl/openssl/commit/8b268541d9aabee51699aef22963407362830ef9
  Author: Clemens Lang <cllang at redhat.com>
  Date:   2023-10-25 (Wed, 25 Oct 2023)

  Changed paths:
    M crypto/rsa/rsa_sp800_56b_check.c
    M test/rsa_sp800_56b_test.c

  Log Message:
  -----------
  rsa: Add SP800-56Br2 6.4.1.2.1 (3.c) check

The code did not yet check that the length of the RSA key is positive
and even.

Signed-off-by: Clemens Lang <cllang at redhat.com>

Reviewed-by: Dmitry Belyavskiy <beldmit at gmail.com>
Reviewed-by: Tom Cosgrove <tom.cosgrove at arm.com>
(Merged from https://github.com/openssl/openssl/pull/22403)