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1 | =pod |
2 | ||
3 | =head1 NAME | |
4 | ||
ffd89124 AS |
5 | EVP_md5, |
6 | EVP_md5_sha1 | |
bbda8ce9 RT |
7 | - MD5 For EVP |
8 | ||
9 | =head1 SYNOPSIS | |
10 | ||
11 | #include <openssl/evp.h> | |
12 | ||
13 | const EVP_MD *EVP_md5(void); | |
ffd89124 | 14 | const EVP_MD *EVP_md5_sha1(void); |
bbda8ce9 RT |
15 | |
16 | =head1 DESCRIPTION | |
17 | ||
18 | MD5 is a cryptographic hash function standardized in RFC 1321 and designed by | |
19 | Ronald Rivest. | |
20 | ||
3266cf58 | 21 | The CMU Software Engineering Institute considers MD5 unsuitable for further |
bbda8ce9 RT |
22 | use since its security has been severely compromised. |
23 | ||
24 | =over 4 | |
25 | ||
26 | =item EVP_md5() | |
27 | ||
28 | The MD5 algorithm which produces a 128-bit output from a given input. | |
29 | ||
30 | =item EVP_md5_sha1() | |
31 | ||
32 | A hash algorithm of SSL v3 that combines MD5 with SHA-1 as decirbed in RFC | |
33 | 6101. | |
34 | ||
35 | WARNING: this algorithm is not intended for non-SSL usage. | |
36 | ||
37 | =back | |
38 | ||
39 | ||
40 | =head1 RETURN VALUES | |
41 | ||
42 | These functions return a B<EVP_MD> structure that contains the | |
43 | implementation of the symmetric cipher. See L<EVP_MD_meth_new(3)> for | |
44 | details of the B<EVP_MD> structure. | |
45 | ||
46 | =head1 CONFORMING TO | |
47 | ||
48 | IETF RFC 1321. | |
49 | ||
50 | =head1 SEE ALSO | |
51 | ||
52 | L<evp(7)>, | |
53 | L<EVP_DigestInit(3)> | |
54 | ||
55 | =head1 COPYRIGHT | |
56 | ||
b0edda11 | 57 | Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved. |
bbda8ce9 | 58 | |
4746f25a | 59 | Licensed under the Apache License 2.0 (the "License"). You may not use |
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60 | this file except in compliance with the License. You can obtain a copy |
61 | in the file LICENSE in the source distribution or at | |
62 | L<https://www.openssl.org/source/license.html>. | |
63 | ||
64 | =cut | |
65 |