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8fa4d95e RT |
1 | =pod |
2 | ||
3 | =head1 NAME | |
4 | ||
5 | EVP_idea_cbc, | |
6 | EVP_idea_cfb, | |
ffd89124 | 7 | EVP_idea_cfb64, |
8fa4d95e RT |
8 | EVP_idea_ecb, |
9 | EVP_idea_ofb | |
10 | - EVP IDEA cipher | |
11 | ||
12 | =head1 SYNOPSIS | |
13 | ||
14 | #include <openssl/evp.h> | |
15 | ||
f64f17c3 SL |
16 | const EVP_CIPHER *EVP_idea_cbc(void); |
17 | const EVP_CIPHER *EVP_idea_cfb(void); | |
18 | const EVP_CIPHER *EVP_idea_cfb64(void); | |
19 | const EVP_CIPHER *EVP_idea_ecb(void); | |
20 | const EVP_CIPHER *EVP_idea_ofb(void); | |
8fa4d95e RT |
21 | |
22 | =head1 DESCRIPTION | |
23 | ||
24 | The IDEA encryption algorithm for EVP. | |
25 | ||
26 | =over 4 | |
27 | ||
28 | =item EVP_idea_cbc(), | |
29 | EVP_idea_cfb(), | |
ffd89124 | 30 | EVP_idea_cfb64(), |
8fa4d95e RT |
31 | EVP_idea_ecb(), |
32 | EVP_idea_ofb() | |
33 | ||
34 | The IDEA encryption algorithm in CBC, CFB, ECB and OFB modes respectively. | |
35 | ||
36 | =back | |
37 | ||
e798248c | 38 | =head1 NOTES |
39 | ||
40 | Developers should be aware of the negative performance implications of | |
41 | calling these functions multiple times and should consider using | |
42 | L<EVP_CIPHER_fetch(3)> instead. | |
43 | See L<crypto(7)/Performance> for further information. | |
44 | ||
8fa4d95e RT |
45 | =head1 RETURN VALUES |
46 | ||
47 | These functions return an B<EVP_CIPHER> structure that contains the | |
48 | implementation of the symmetric cipher. See L<EVP_CIPHER_meth_new(3)> for | |
49 | details of the B<EVP_CIPHER> structure. | |
50 | ||
51 | =head1 SEE ALSO | |
52 | ||
53 | L<evp(7)>, | |
54 | L<EVP_EncryptInit(3)>, | |
55 | L<EVP_CIPHER_meth_new(3)> | |
56 | ||
57 | =head1 COPYRIGHT | |
58 | ||
da1c088f | 59 | Copyright 2017-2023 The OpenSSL Project Authors. All Rights Reserved. |
8fa4d95e | 60 | |
4746f25a | 61 | Licensed under the Apache License 2.0 (the "License"). You may not use |
8fa4d95e RT |
62 | this file except in compliance with the License. You can obtain a copy |
63 | in the file LICENSE in the source distribution or at | |
64 | L<https://www.openssl.org/source/license.html>. | |
65 | ||
66 | =cut |