1=pod 2 3=head1 NAME 4 5EVP_CIPHER-SM4 - The SM4 EVP_CIPHER implementations 6 7=head1 DESCRIPTION 8 9Support for SM4 symmetric encryption using the B<EVP_CIPHER> API. 10 11=head2 Algorithm Names 12 13The following algorithms are available in the default provider: 14 15=over 4 16 17=item "SM4-CBC:SM4" 18 19=item "SM4-ECB" 20 21=item "SM4-CTR" 22 23=item "SM4-OFB" or "SM4-OFB128" 24 25=item "SM4-CFB" or "SM4-CFB128" 26 27=back 28 29=head2 Parameters 30 31This implementation supports the parameters described in 32L<EVP_EncryptInit(3)/PARAMETERS>. 33 34=head1 SEE ALSO 35 36L<provider-cipher(7)>, L<OSSL_PROVIDER-default(7)> 37 38=head1 COPYRIGHT 39 40Copyright 2021 The OpenSSL Project Authors. All Rights Reserved. 41 42Licensed under the Apache License 2.0 (the "License"). You may not use 43this file except in compliance with the License. You can obtain a copy 44in the file LICENSE in the source distribution or at 45L<https://www.openssl.org/source/license.html>. 46 47=cut 48