$NetBSD: EVP_md5.3,v 1.8 2024/09/08 13:08:25 christos Exp $
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Title "EVP_md5 3"
way too many mistakes in technical documents.
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Title "EVP_md5 3"
EVP_md5 3 2024-09-03 3.0.15 OpenSSL
For nroff, turn off justification. Always turn off hyphenation; it makesway too many mistakes in technical documents.
NAME
EVP_md5,
EVP_md5_sha1
\- MD5 For EVP
SYNOPSIS
Header "SYNOPSIS" .Vb 1
#include <openssl/evp.h>
\&
const EVP_MD *EVP_md5(void);
const EVP_MD *EVP_md5_sha1(void);
.Ve
DESCRIPTION
Header "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() 4
Item "EVP_md5()" The MD5 algorithm which produces a 128-bit output from a given input.
EVP_md5_sha1() 4
Item "EVP_md5_sha1()" A hash algorithm of SSL v3 that combines MD5 with SHA-1 as described in RFC
6101.
.Sp
WARNING: this algorithm is not intended for non-SSL usage.
NOTES
Header "NOTES" Developers should be aware of the negative performance implications of
calling these functions multiple times and should consider using
\fBEVP_MD_fetch\|(3) with EVP_MD-MD5\|(7) or EVP_MD-MD5-SHA1\|(7) instead.
See "Performance" in crypto\|(7) for further information.
"RETURN VALUES"
Header "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"
Header "CONFORMING TO" IETF RFC 1321.
"SEE ALSO"
Header "SEE ALSO" \fBevp\|(7),
\fBEVP_DigestInit\|(3)
COPYRIGHT
Header "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>.