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.\" ========================================================================
.\"
.IX Title "Crypt::Digest::SHAKE 3"
.TH Crypt::Digest::SHAKE 3 "2022-01-07" "perl v5.26.3" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.SH "NAME"
Crypt::Digest::SHAKE \- Hash functions SHAKE128, SHAKE256 from SHA3 family
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&   use Crypt::Digest::SHAKE
\&
\&   $d = Crypt::Digest::SHAKE\->new(128);
\&   $d\->add(\*(Aqany data\*(Aq);
\&   $d\->addfile(\*(Aqfilename.dat\*(Aq);
\&   $d\->addfile(*FILEHANDLE);
\&   $part1 = $d\->done(100); # 100 raw bytes
\&   $part2 = $d\->done(100); # another 100 raw bytes
\&   #...
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Provides an interface to the \s-1SHA3\s0's sponge function \s-1SHAKE.\s0
.SH "METHODS"
.IX Header "METHODS"
.SS "new"
.IX Subsection "new"
.Vb 2
\& $d = Crypt::Digest::SHA3\-SHAKE\->new($num);
\& # $num ... 128 or 256
.Ve
.SS "clone"
.IX Subsection "clone"
.Vb 1
\& $d\->clone();
.Ve
.SS "reset"
.IX Subsection "reset"
.Vb 1
\& $d\->reset();
.Ve
.SS "add"
.IX Subsection "add"
.Vb 3
\& $d\->add(\*(Aqany data\*(Aq);
\& #or
\& $d\->add(\*(Aqany data\*(Aq, \*(Aqmore data\*(Aq, \*(Aqeven more data\*(Aq);
.Ve
.SS "addfile"
.IX Subsection "addfile"
.Vb 3
\& $d\->addfile(\*(Aqfilename.dat\*(Aq);
\& #or
\& $d\->addfile(*FILEHANDLE);
.Ve
.SS "done"
.IX Subsection "done"
.Vb 2
\& $result_raw = $d\->done($len);
\& # can be called multiple times
.Ve
.SH "SEE ALSO"
.IX Header "SEE ALSO"
.IP "\(bu" 4
CryptX, Crypt::Digest
.IP "\(bu" 4
<http://en.wikipedia.org/wiki/SHA\-3>