2017-10-30 17:59:00 +08:00
|
|
|
=pod
|
|
|
|
|
|
|
|
|
|
=head1 NAME
|
|
|
|
|
|
|
|
|
|
EVP_sm3
|
|
|
|
|
- SM3 for EVP
|
|
|
|
|
|
|
|
|
|
=head1 SYNOPSIS
|
|
|
|
|
|
|
|
|
|
#include <openssl/evp.h>
|
|
|
|
|
|
2018-08-24 20:38:04 +08:00
|
|
|
const EVP_MD *EVP_sm3(void);
|
2017-10-30 17:59:00 +08:00
|
|
|
|
|
|
|
|
=head1 DESCRIPTION
|
|
|
|
|
|
|
|
|
|
SM3 is a cryptographic hash function with a 256-bit output, defined in GB/T
|
|
|
|
|
32905-2016.
|
|
|
|
|
|
|
|
|
|
=over 4
|
|
|
|
|
|
|
|
|
|
=item EVP_sm3()
|
|
|
|
|
|
|
|
|
|
The SM3 hash function.
|
|
|
|
|
|
|
|
|
|
=back
|
|
|
|
|
|
2023-02-22 08:11:33 +08:00
|
|
|
=head1 NOTES
|
|
|
|
|
|
|
|
|
|
Developers should be aware of the negative performance implications of
|
|
|
|
|
calling this function multiple times and should consider using
|
|
|
|
|
L<EVP_MD_fetch(3)> instead.
|
|
|
|
|
See L<crypto(7)/Performance> for further information.
|
2017-10-30 17:59:00 +08:00
|
|
|
|
|
|
|
|
=head1 RETURN VALUES
|
|
|
|
|
|
|
|
|
|
These functions return a B<EVP_MD> structure that contains the
|
2022-04-25 16:51:00 +08:00
|
|
|
implementation of the message digest. See L<EVP_MD_meth_new(3)> for
|
2017-10-30 17:59:00 +08:00
|
|
|
details of the B<EVP_MD> structure.
|
|
|
|
|
|
|
|
|
|
=head1 CONFORMING TO
|
|
|
|
|
|
|
|
|
|
GB/T 32905-2016 and GM/T 0004-2012.
|
|
|
|
|
|
|
|
|
|
=head1 SEE ALSO
|
|
|
|
|
|
|
|
|
|
L<evp(7)>,
|
|
|
|
|
L<EVP_DigestInit(3)>
|
|
|
|
|
|
|
|
|
|
=head1 COPYRIGHT
|
|
|
|
|
|
2022-05-03 18:52:38 +08:00
|
|
|
Copyright 2017-2022 The OpenSSL Project Authors. All Rights Reserved.
|
2017-10-30 17:59:00 +08:00
|
|
|
Copyright 2017 Ribose Inc. All Rights Reserved.
|
|
|
|
|
|
2018-12-06 21:04:44 +08:00
|
|
|
Licensed under the Apache License 2.0 (the "License"). You may not use
|
2017-10-30 17:59:00 +08:00
|
|
|
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>.
|
|
|
|
|
|
|
|
|
|
=cut
|
|
|
|
|
|
