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f19a5ff9 RT |
1 | =pod |
2 | ||
3 | =head1 NAME | |
4 | ||
5 | EVP_sm4_cbc, | |
6 | EVP_sm4_ecb, | |
7 | EVP_sm4_cfb, | |
8 | EVP_sm4_ofb, | |
9 | EVP_sm4_ctr | |
10 | - EVP SM4 cipher | |
11 | ||
12 | =head1 SYNOPSIS | |
13 | ||
f19a5ff9 RT |
14 | #include <openssl/evp.h> |
15 | ||
8fa4d95e RT |
16 | const EVP_CIPHER *EVP_sm4_cbc(void) |
17 | const EVP_CIPHER *EVP_sm4_ecb(void) | |
18 | const EVP_CIPHER *EVP_sm4_cfb(void) | |
19 | const EVP_CIPHER *EVP_sm4_ofb(void) | |
20 | const EVP_CIPHER *EVP_sm4_ctr(void) | |
f19a5ff9 RT |
21 | |
22 | =head1 DESCRIPTION | |
23 | ||
24 | The SM4 blockcipher (GB/T 32907-2016) for EVP. | |
25 | ||
26 | All modes below use a key length of 128 bits and acts on blocks of 128 bits. | |
27 | ||
28 | =over 4 | |
29 | ||
30 | =item EVP_sm4_cbc(), | |
31 | EVP_sm4_ecb(), | |
32 | EVP_sm4_cfb(), | |
33 | EVP_sm4_ofb(), | |
34 | EVP_sm4_ctr() | |
35 | ||
36 | The SM4 blockcipher with a 128-bit key in CBC, ECB, CFB, OFB and CTR modes | |
37 | respectively. | |
38 | ||
39 | =back | |
40 | ||
41 | =head1 RETURN VALUES | |
42 | ||
43 | These functions return a B<EVP_CIPHER> structure that contains the | |
44 | implementation of the symmetric cipher. See L<EVP_CIPHER_meth_new(3)> for | |
45 | details of the B<EVP_CIPHER> structure. | |
46 | ||
47 | =head1 SEE ALSO | |
48 | ||
49 | L<evp(7)>, | |
50 | L<EVP_EncryptInit(3)>, | |
51 | L<EVP_CIPHER_meth_new(3)> | |
52 | ||
53 | =head1 COPYRIGHT | |
54 | ||
55 | Copyright 2017 The OpenSSL Project Authors. All Rights Reserved. | |
56 | Copyright 2017 Ribose Inc. All Rights Reserved. | |
57 | ||
58 | Licensed under the OpenSSL license (the "License"). You may not use | |
59 | this file except in compliance with the License. You can obtain a copy | |
60 | in the file LICENSE in the source distribution or at | |
61 | L<https://www.openssl.org/source/license.html>. | |
62 | ||
63 | =cut | |
64 |