=head1 NOTES
-For all current standard OpenSSL public key algorithms SHA1 is returned.
+For all current standard OpenSSL public key algorithms SHA256 is returned.
=head1 RETURN VALUES
L<EVP_PKEY_CTX_new(3)>,
L<EVP_PKEY_sign(3)>,
+L<EVP_PKEY_supports_digest_nid(3)>,
L<EVP_PKEY_verify(3)>,
L<EVP_PKEY_verify_recover(3)>,
=head1 HISTORY
-This function was first added to OpenSSL 1.0.0.
+This function was added in OpenSSL 1.0.0.
=head1 COPYRIGHT
-Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
+Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved.
-Licensed under the OpenSSL license (the "License"). You may not use
+Licensed under the Apache License 2.0 (the "License"). You may not use
this file except in compliance with the License. You can obtain a copy
in the file LICENSE in the source distribution or at
L<https://www.openssl.org/source/license.html>.