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Group :: Development/Perl
RPM: perl-Digest-SHA3

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Current version: 1.04-alt3
Build date: 10 february 2021, 13:43 ( 48.9 weeks ago )
Size: 36.43 Kb

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License: perl
Summary: Perl extension for SHA-3

Digest::SHA3 is written in C for speed.  If your platform lacks a C
compiler, perhaps you can find the module in a binary form compatible
with your particular processor and operating system.

The programming interface is easy to use: it's the same one found
in CPAN's the Digest manpage module.  So, if your applications currently use
the Digest::SHA manpage and you'd prefer the newer flavor of the NIST standard,
it's a simple matter to convert them.

The interface provides two ways to calculate digests:  all-at-once,
or in stages.  To illustrate, the following short program computes
the SHA3-256 digest of "hello world" using each approach:

_use Digest::SHA3 qw(sha3_256_hex);

_$data = "hello world";
_@frags = split(//, $data);

_# all-at-once (Functional style)
_$digest1 = sha3_256_hex($data);

_# in-stages (OOP style)
_$state = Digest::SHA3->new(256);
_for (@frags) { $state->add($_) }
_$digest2 = $state->hexdigest;

_print $digest1 eq $digest2 ?
__"that's the ticket!\n" : "oops!\n";

To calculate the digest of an n-bit message where *n* is not a
multiple of 8, use the *add_bits()* method.  For example, consider
the 446-bit message consisting of the bit-string "110" repeated
148 times, followed by "11".  Here's how to display its SHA3-512

_use Digest::SHA3;
_$bits = "110" x 148 . "11";
_$sha3 = Digest::SHA3->new(512)->add_bits($bits);
_print $sha3->hexdigest, "\n";

Note that for larger bit-strings, it's more efficient to use the
two-argument version *add_bits($data, $nbits)*, where *$data* is
in the customary packed binary format used for Perl strings.

Current maintainer: Igor Vlasenko

List of contributors

List of rpms provided by this srpm:

  • perl-Digest-SHA3
  • perl-Digest-SHA3-debuginfo
  • perl-Digest-SHA3-scripts
    design & coding: Vladimir Lettiev aka crux © 2004-2005, Andrew Avramenko aka liks © 2007-2008
    current maintainer: Michael Shigorin