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=pod
=head1 NAME
EVP_md5,
EVP_md5_sha1
- MD5 For EVP
=head1 SYNOPSIS
#include <openssl/evp.h>
const EVP_MD *EVP_md5(void);
const EVP_MD *EVP_md5_sha1(void);
=head1 DESCRIPTION
MD5 is a cryptographic hash function standardized in RFC 1321 and designed by
Ronald Rivest.
The CMU Software Engineering Institute considers MD5 unsuitable for further
use since its security has been severely compromised.
=over 4
=item EVP_md5()
The MD5 algorithm which produces a 128-bit output from a given input.
=item EVP_md5_sha1()
A hash algorithm of SSL v3 that combines MD5 with SHA-1 as described in RFC
6101.
WARNING: this algorithm is not intended for non-SSL usage.
=back
=head1 RETURN VALUES
These functions return a B<EVP_MD> structure that contains the
implementation of the symmetric cipher. See L<EVP_MD_meth_new(3)> for
details of the B<EVP_MD> structure.
=head1 CONFORMING TO
IETF RFC 1321.
=head1 SEE ALSO
L<evp(7)>,
L<EVP_DigestInit(3)>
=head1 COPYRIGHT
Copyright 2017-2019 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the OpenSSL license (the "License"). You may not use
this file except in compliance with the License. You can obtain a copy
in the file LICENSE in the source distribution or at
L<https://www.openssl.org/source/license.html>.
=cut
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