[openssl/openssl] ec51c8: Allow RSA-PSS also in EVP_PKEY_assign() and EVP_PK...

[Ingo Franzki]

  Branch: refs/heads/openssl-3.0
  Home:   https://github.com/openssl/openssl
  Commit: ec51c8050a6fd6b4073131da457e59c59dcc5d2a
      https://github.com/openssl/openssl/commit/ec51c8050a6fd6b4073131da457e59c59dcc5d2a
  Author: Ingo Franzki <ifranzki at linux.ibm.com>
  Date:   2023-08-24 (Thu, 24 Aug 2023)

  Changed paths:
    M crypto/evp/p_lib.c

  Log Message:
  -----------
  Allow RSA-PSS also in EVP_PKEY_assign() and EVP_PKEY_can_sign()

Treat keys with EVP_PKEY_RSA_PSS the same as EVP_PKEY_RSA in EVP_PKEY_can_sign()
and detect_foreign_key() which is called by EVP_PKEY_assign().

Signed-off-by: Ingo Franzki <ifranzki at linux.ibm.com>

Reviewed-by: Matt Caswell <matt at openssl.org>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/21819)

(cherry picked from commit e2972982c64f3f1ac10b3ebe1086d99ec67631bd)