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