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NAME

       EVP_md5, EVP_md5_sha1 - MD5 For EVP

SYNOPSIS

        #include <openssl/evp.h>

        const EVP_MD *EVP_md5(void);
        const EVP_MD *EVP_md5_sha1(void);

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.

       EVP_md5()
           The MD5 algorithm which produces a 128-bit output from a given input.

       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.

RETURN VALUES

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

CONFORMING TO

       IETF RFC 1321.

SEE ALSO

       evp(7), EVP_DigestInit(3)

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 <https://www.openssl.org/source/license.html>.