EVP_sha1.3
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Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" EVP_sha1 \&\- SHA\-1 For EVP .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 \& #include <openssl/evp.h> \& \& const EVP_MD *EVP_sha1(void); .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" \&\s-1SHA\-1\s0 (Secure Hash Algorithm 1) is a cryptographic hash function standardized in \s-1NIST FIPS 180\-4.\s0 The algorithm was designed by the United States National Security Agency and initially published in 1995. .IP "\fBEVP_sha1()\fR" 4 .IX Item "EVP_sha1()" The \s-1SHA\-1\s0 algorithm which produces a 160\-bit output from a given input. .SH "RETURN VALUES" .IX Header "RETURN VALUES" These functions return a \fB\s-1EVP_MD\s0\fR structure that contains the implementation of the symmetric cipher. See \fBEVP_MD_meth_new\fR\|(3) for details of the \fB\s-1EVP_MD\s0\fR structure. .SH "CONFORMING TO" .IX Header "CONFORMING TO" \&\s-1NIST FIPS 180\-4.\s0 .SH "SEE ALSO" .IX Header "SEE ALSO" \&\fBevp\fR\|(7), \&\fBEVP_DigestInit\fR\|(3) .SH "COPYRIGHT" .IX Header "COPYRIGHT" Copyright 2017 The OpenSSL Project Authors. All Rights Reserved. .PP Licensed under the OpenSSL license (the \*(L"License\*(R"). You may not use this file except in compliance with the License. You can obtain a copy in the file \s-1LICENSE\s0 in the source distribution or at <https://www.openssl.org/source/license.html>.
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