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Diffstat (limited to 'doc/man3/EVP_sha224.pod')
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diff --git a/doc/man3/EVP_sha224.pod b/doc/man3/EVP_sha224.pod new file mode 100644 index 0000000000..8918418a59 --- /dev/null +++ b/doc/man3/EVP_sha224.pod @@ -0,0 +1,63 @@ +=pod + +=head1 NAME + +EVP_sha224, +EVP_sha256, +EVP_sha384, +EVP_sha512 +- SHA-2 For EVP + +=head1 SYNOPSIS + + #include <openssl/evp.h> + + const EVP_MD *EVP_sha224(void); + const EVP_MD *EVP_sha256(void); + const EVP_MD *EVP_sha384(void); + const EVP_MD *EVP_sha512(void); + +=head1 DESCRIPTION + +SHA-2 (Secure Hash Algorithm 2) is a family of cryptographic hash functions +standardized in NIST FIPS 180-4, first published in 2001. + +=over 4 + +=item EVP_sha224(), +EVP_sha256(), +EVP_sha384(), +EVP_sha512() + +The SHA-2 SHA-224, SHA-256, SHA-384, SHA-512 algorithms respectively, which +generates 224, 256, 384 and 512 bits of output from a given input. + +=back + + +=head1 RETURN VALUES + +These functions return a B<EVP_MD> structure that contains the +implementation of the symmetric cipher. See L<EVP_MD_meth_new(3)> for +details of the B<EVP_MD> structure. + +=head1 CONFORMING TO + +NIST FIPS 180-4. + +=head1 SEE ALSO + +L<evp(7)>, +L<EVP_DigestInit(3)> + +=head1 COPYRIGHT + +Copyright 2017 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 +L<https://www.openssl.org/source/license.html>. + +=cut + |