EVP_SHA1 - Online Linux Manual PageSection : 3ossl
Updated : 2022-03-15
Source : 3.0.2
Note : OpenSSL

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NAMEEVP_sha1 ​− SHA−1 For EVP

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SYNOPSIS​ #include <openssl/evp.h> ​ ​ const EVP_MD *EVP_sha1(void);

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DESCRIPTION​SHA−1 (Secure Hash Algorithm 1) is a cryptographic hash function standardized in NIST FIPS 180−4. The algorithm was designed by the United States National Security Agency and initially published in 1995. EVP_sha1() The SHA−1 algorithm which produces a 160−bit output from a given input.

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RETURN VALUESThese 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.

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CONFORMING TO​NIST FIPS 180−4.

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SEE ALSO​evp (7), ​EVP_DigestInit (3)

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COPYRIGHTCopyright 2017 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>. 0

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