xref: /openssl/doc/man7/EVP_MD-NULL.pod (revision f7d76c3d)
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