1EVP_MD5(3)                          OpenSSL                         EVP_MD5(3)
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NAME

6       EVP_md5, EVP_md5_sha1 - MD5 For EVP
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SYNOPSIS

9        #include <openssl/evp.h>
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11        const EVP_MD *EVP_md5(void);
12        const EVP_MD *EVP_md5_sha1(void);
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DESCRIPTION

15       MD5 is a cryptographic hash function standardized in RFC 1321 and
16       designed by Ronald Rivest.
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18       The CMU Software Engineering Institute considers MD5 unsuitable for
19       further use since its security has been severely compromised.
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21       EVP_md5()
22           The MD5 algorithm which produces a 128-bit output from a given
23           input.
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25       EVP_md5_sha1()
26           A hash algorithm of SSL v3 that combines MD5 with SHA-1 as
27           described in RFC 6101.
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29           WARNING: this algorithm is not intended for non-SSL usage.
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RETURN VALUES

32       These functions return a EVP_MD structure that contains the
33       implementation of the symmetric cipher. See EVP_MD_meth_new(3) for
34       details of the EVP_MD structure.
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CONFORMING TO

37       IETF RFC 1321.
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SEE ALSO

40       evp(7), EVP_DigestInit(3)
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43       Copyright 2017-2019 The OpenSSL Project Authors. All Rights Reserved.
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45       Licensed under the OpenSSL license (the "License").  You may not use
46       this file except in compliance with the License.  You can obtain a copy
47       in the file LICENSE in the source distribution or at
48       <https://www.openssl.org/source/license.html>.
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521.1.1q                            2023-07-20                        EVP_MD5(3)
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