system/blake2: Added (Cryptographic Hash Function).

Signed-off-by: Matteo Bernardini <ponce@slackbuilds.org>

system/blake2/README

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+The cryptographic hash function BLAKE2 is an improved version of 
+the SHA-3 finalist BLAKE. BLAKE2 offers the highest security, yet is 
+fast as MD5 on 64-bit platforms and requires less RAM.
+
+This script builds the b2sum binary.

system/blake2/blake2.SlackBuild

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+#!/bin/sh
+
+# Slackware build script for blake2
+
+# Copyright 2012-2013 Willy Sudiarto Raharjo <willysr@slackware-id.org>
+# All rights reserved.
+#
+# Redistribution and use of this script, with or without modification, is
+# permitted provided that the following conditions are met:
+#
+# 1. Redistributions of this script must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+#  THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
+#  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+#  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
+#  EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+#  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+#  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+#  OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+#  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+#  OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+#  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+PRGNAM=blake2
+VERSION=${VERSION:-20121223}
+SRCNAM=$(printf $PRGNAM-code-$VERSION | tr - _)
+BUILD=${BUILD:-1}
+TAG=${TAG:-_SBo}
+
+if [ -z "$ARCH" ]; then
+  case "$( uname -m )" in
+    i?86) ARCH=i486 ;;
+    arm*) ARCH=arm ;;
+       *) ARCH=$( uname -m ) ;;
+  esac
+fi
+
+CWD=$(pwd)
+TMP=${TMP:-/tmp/SBo}
+PKG=$TMP/package-$PRGNAM
+OUTPUT=${OUTPUT:-/tmp}
+
+if [ "$ARCH" = "i486" ]; then
+  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "i686" ]; then
+  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
+  LIBDIRSUFFIX=""
+elif [ "$ARCH" = "x86_64" ]; then
+  SLKCFLAGS="-O2 -fPIC"
+  LIBDIRSUFFIX="64"
+else
+  SLKCFLAGS="-O2"
+  LIBDIRSUFFIX=""
+fi
+
+set -e
+
+rm -rf $PKG
+mkdir -p $TMP $PKG $OUTPUT
+cd $TMP
+rm -rf $SRCNAM
+unzip $CWD/$SRCNAM.zip
+cd $SRCNAM
+chown -R root:root .
+find . \
+ \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
+ -exec chmod 755 {} \; -o \
+ \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
+ -exec chmod 644 {} \;
+
+cd b2sum
+make
+
+mkdir -p $PKG/usr/bin
+install -m 0755 b2sum $PKG/usr/bin/b2sum
+
+cd ..
+mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
+cp -a \
+  README \
+  $PKG/usr/doc/$PRGNAM-$VERSION
+cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
+
+mkdir -p $PKG/install
+cat $CWD/slack-desc > $PKG/install/slack-desc
+
+cd $PKG
+/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}

system/blake2/blake2.info

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+PRGNAM="blake2"
+VERSION="20121223"
+HOMEPAGE="http://blake2.net/"
+DOWNLOAD="http://blake2.net/blake2_code_20121223.zip"
+MD5SUM="644d262f9cc6d6c7dd28a9e55253a0c4"
+DOWNLOAD_x86_64=""
+MD5SUM_x86_64=""
+REQUIRES=""
+MAINTAINER="Willy Sudiarto Raharjo"
+EMAIL="willysr@slackware-id.org"

system/blake2/slack-desc

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+# HOW TO EDIT THIS FILE:
+# The "handy ruler" below makes it easier to edit a package description.
+# Line up the first '|' above the ':' following the base package name, and
+# the '|' on the right side marks the last column you can put a character in.
+# You must make exactly 11 lines for the formatting to be correct.  It's also
+# customary to leave one space after the ':' except on otherwise blank lines.
+
+      |-----handy-ruler------------------------------------------------------|
+blake2: blake2 (Cryptographic Hash Function)
+blake2:
+blake2: The cryptographic hash function BLAKE2 is an improved version of
+blake2: the SHA-3 finalist BLAKE. BLAKE2 offers the highest security, yet is
+blake2: fast as MD5 on 64-bit platforms and requires less RAM.
+blake2:
+blake2: Project Site: https://blake2.net
+blake2:
+blake2:
+blake2:
+blake2: