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EVP_blake2s256.3
.\" Automatically generated by Pod::Man 4.11 (Pod::Simple 3.35) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" Set up some character translations and predefined strings. \*(-- will .\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left .\" double quote, and \*(R" will give a right double quote. \*(C+ will .\" give a nicer C++. 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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_blake2b512, EVP_blake2s256 \&\- BLAKE2 For EVP .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 \& #include <openssl/evp.h> \& \& const EVP_MD *EVP_blake2b512(void); \& const EVP_MD *EVP_blake2s256(void); .Ve .SH "DESCRIPTION" .IX Header "DESCRIPTION" \&\s-1BLAKE2\s0 is an improved version of \s-1BLAKE,\s0 which was submitted to the \s-1NIST SHA\-3\s0 algorithm competition. The BLAKE2s and BLAKE2b algorithms are described in \&\s-1RFC 7693.\s0 .IP "\fBEVP_blake2s256()\fR" 4 .IX Item "EVP_blake2s256()" The BLAKE2s algorithm that produces a 256\-bit output from a given input. .IP "\fBEVP_blake2b512()\fR" 4 .IX Item "EVP_blake2b512()" The BLAKE2b algorithm that produces a 512\-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-1RFC 7693.\s0 .SH "NOTES" .IX Header "NOTES" While the BLAKE2b and BLAKE2s algorithms supports a variable length digest, this implementation outputs a digest of a fixed length (the maximum length supported), which is 512\-bits for BLAKE2b and 256\-bits for BLAKE2s. .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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