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.TH LIBKECCAK_SPEC_SHA3 3 LIBKECCAK-%VERSION%
.SH NAME
libkeccak_spec_sha3 - Configure SHA-3 hashing parameters
.SH SYNOPSIS
.LP
.nf
#include <libkeccak.h>
.P
void libkeccak_spec_sha3(libkeccak_spec_t *\fIspec\fP, long \fIx\fP);
.fi
.P
Link with \fI-lkeccak\fP.
.SH DESCRIPTION
The
.BR libkeccak_spec_sha3 ()
sets \fI*spec\fP to specify the Keccak parameters used for SHA-3
hashing with the output size specified, in bits, via the \fIx\fP parameter.
.SH RETURN VALUES
The
.BR libkeccak_spec_sha3 ()
function does not return any value.
.SH ERRORS
The
.BR libkeccak_spec_sha3 ()
function cannot fail.
.SH EXAMPLES
This examples configure a \fBlibkeccak_spec_t\fP to specify
the Keccak parameters used for SHA3-256:
.LP
.nf
libkeccak_spec_t spec;
libkeccak_spec_sha3(&spec, 256);
.fi
.SH SEE ALSO
.BR libkeccak_spec_rawshake (3),
.BR libkeccak_spec_shake (3),
.BR libkeccak_spec_check (3),
.BR libkeccak_generalised_spec_initialise (3)
.SH AUTHORS
Principal author, Mattias Andrée. See the LICENSE file for the full
list of authors.
.SH BUGS
Please report bugs to https://github.com/maandree/bus/issues or to
maandree@member.fsf.org
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