1=pod 2 3=head1 NAME 4 5EVP_MD-NULL - The NULL EVP_MD implementation 6 7=head1 DESCRIPTION 8 9Support for a NULL digest through the B<EVP_MD> API. 10This algorithm does nothing and returns 1 for its init, 11update and final methods. 12 13=head2 Algorithm Name 14 15The following algorithm is available in the default provider: 16 17=over 4 18 19=item "NULL" 20 21=back 22 23=head2 Gettable Parameters 24 25This implementation supports the common gettable parameters described 26in L<EVP_MD-common(7)>. 27 28=head1 SEE ALSO 29 30L<EVP_MD_CTX_set_params(3)>, L<provider-digest(7)>, 31L<OSSL_PROVIDER-default(7)> 32 33=head1 COPYRIGHT 34 35Copyright 2023 The OpenSSL Project Authors. All Rights Reserved. 36 37Licensed under the Apache License 2.0 (the "License"). You may not use 38this file except in compliance with the License. You can obtain a copy 39in the file LICENSE in the source distribution or at 40L<https://www.openssl.org/source/license.html>. 41 42=cut 43