[openssl/openssl] 98fa15: Cleanse internal BN_generate_dsa_nonce() buffers u...

[Shane]

  Branch: refs/heads/openssl-3.1
  Home:   https://github.com/openssl/openssl
  Commit: 98fa15347ea385e89cee78a4d682c6c071233812
      https://github.com/openssl/openssl/commit/98fa15347ea385e89cee78a4d682c6c071233812
  Author: slontis <shane.lontis at oracle.com>
  Date:   2023-01-04 (Wed, 04 Jan 2023)

  Changed paths:
    M crypto/bn/bn_rand.c

  Log Message:
  -----------
  Cleanse internal BN_generate_dsa_nonce() buffers used to generate k.

Fixes #9205

Reviewed-by: Hugo Landau <hlandau at openssl.org>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19954)

(cherry picked from commit 177d433bda2ffd287d676bc53b549b6c246973e6)