EVP_MD4(3SSL) OpenSSL EVP_MD4(3SSL)
NAME
EVP_md4 - MD4 For EVP
SYNOPSIS
#include <openssl/evp.h>
const EVP_MD *EVP_md4(void);
DESCRIPTION
MD4 is a cryptographic hash function standardized in RFC 1320 and
designed by Ronald Rivest, first published in 1990. This implementation
is only available with the legacy provider.
EVP_md4()
The MD4 algorithm which produces a 128-bit output from a given
input.
NOTES
Developers should be aware of the negative performance implications of
calling this function multiple times and should consider using
EVP_MD_fetch(3) with EVP_MD-MD4(7) instead. See "Performance" in
crypto(7) for further information.
RETURN VALUES
These functions return a EVP_MD structure that contains the
implementation of the message digest. See EVP_MD_meth_new(3) for details
of the EVP_MD structure.
CONFORMING TO
IETF RFC 1320.
SEE ALSO
evp(7), provider(7), EVP_DigestInit(3)
COPYRIGHT
Copyright 2017-2023 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the Apache License 2.0 (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>.
3.5.7 2026-06-09 EVP_MD4(3SSL)
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