diff --git a/ap/opensc/doinst.sh b/ap/opensc/doinst.sh
new file mode 100644
index 00000000..d826a6f1
--- /dev/null
+++ b/ap/opensc/doinst.sh
@@ -0,0 +1,13 @@
+#!/bin/sh
+config()
+{
+    NEW="$1"
+    OLD="`dirname $NEW`/`basename $NEW .new`"
+    if [ ! -r $OLD ]; then
+        mv $NEW $OLD
+    elif [ "`cat $OLD | md5sum`" = "`cat $NEW | md5sum`" ]; then
+        rm $NEW
+    fi
+}
+
+config etc/opensc.conf.new
diff --git a/ap/opensc/opensc-0.13.0.tar.gz.sha1 b/ap/opensc/opensc-0.13.0.tar.gz.sha1
new file mode 100644
index 00000000..eadf6e11
--- /dev/null
+++ b/ap/opensc/opensc-0.13.0.tar.gz.sha1
@@ -0,0 +1 @@
+9285ccbed7b49f63e488c8fb1b3e102994a28218  opensc-0.13.0.tar.gz
diff --git a/ap/opensc/opensc.SlackBuild b/ap/opensc/opensc.SlackBuild
new file mode 100755
index 00000000..3a56fef1
--- /dev/null
+++ b/ap/opensc/opensc.SlackBuild
@@ -0,0 +1,131 @@
+#!/bin/bash
+# Build script for Slackware
+# Copyright (C) 2013 Damien Goutte-Gattat
+#
+# Redistribution and use of this script, with or without modifications,
+# is permitted provided that the following conditions are met:
+#
+# 1. Redistributions of this script must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AS IS'' AND ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+# Contact: Damien Goutte-Gattat <dgouttegattat@incenp.org>
+#
+# Latest opensc sourcecode is available at:
+# <https://github.com/OpenSC/OpenSC/wiki/>.
+
+# Source package infos
+NAMESRC=${NAMESRC:-opensc}
+VERSION=${VERSION:-0.13.0}
+ARCHIVE=${ARCHIVE:-$NAMESRC-$VERSION.tar.gz}
+WGET=${WGET:-http://downloads.sourceforge.net/opensc/$ARCHIVE}
+
+# Build infos
+NAMEPKG=${NAMEPKG:-opensc}
+BUILD=${BUILD:-1GGD}
+ARCH=${ARCH:-$(uname -m | sed 's/^i.86$/i486/;s/^arm.*/arm/')}
+JOBS=${JOBS:-1}
+EXT=${EXT:-txz}
+
+# Directories
+TMP=${TMP:-/tmp}
+OUT=${OUT:-$TMP/build}
+PKG=${PKG:-$OUT/$NAMEPKG}
+CWD=$(pwd)
+
+set -e  # Quit if a command returns non-zero
+
+# Sanity checks
+if [ $UID -eq 0 ]; then
+    echo "You should NOT run this script as ROOT!"
+    exit 1
+fi
+if [ ! -d $TMP ]; then
+    echo "$TMP does not exists or is not a directory!"
+    exit 1
+fi
+
+# Compilation flags
+LIBDIRSUFFIX=""
+case "$ARCH" in
+i?86)
+    CPUOPT="-O2 -march=$ARCH -mtune=i686"
+    ;;
+x86_64)
+    CPUOPT="-O2 -fPIC"
+    LIBDIRSUFFIX="64"
+    ;;
+*)
+    CPUOPT="-O2"
+    ;;
+esac
+
+# Get and verify the source archive
+if [ ! -r $ARCHIVE ]; then
+    wget -c -O $ARCHIVE.part "$WGET"
+    mv $ARCHIVE.part $ARCHIVE
+fi
+sha1sum -c $ARCHIVE.sha1
+NAME=$(tar ft $ARCHIVE | head -n 1 | cut -d / -f 1)
+
+# Compile
+cd $TMP
+echo "Building $ARCHIVE..."
+tar xf $CWD/$ARCHIVE
+cd $NAME
+CFLAGS=$CPUOPT \
+CXXFLAGS=$CPUOPT \
+./configure \
+  --prefix=/usr \
+  --libdir=/usr/lib$LIBDIRSUFFIX \
+  --sysconfdir=/etc \
+  --mandir=/usr/man \
+  --docdir=/usr/doc/$NAME \
+  --with-xsl-stylesheetsdir=/usr/share/xml/docbook/xsl-stylesheets-1.76.1 \
+  --enable-man \
+  --enable-doc \
+  --disable-static \
+  --disable-pcsc \
+  --enable-ctapi
+make -j $JOBS
+make install-strip DESTDIR=$PKG
+
+# Compress man pages
+find $PKG/usr/man  -type f -exec gzip -9 {} \;
+
+# Protect config file
+mv $PKG/etc/opensc.conf $PKG/etc/opensc.conf.new
+
+# Install the documentation
+mkdir -p $PKG/usr/doc/$NAME
+install -m 644 COPYING ChangeLog NEWS $PKG/usr/doc/$NAME
+
+# Copy slack-desc and doinst.sh files
+install -D -m 644 $CWD/slack-desc $PKG/install/slack-desc
+install    -m 755 $CWD/doinst.sh  $PKG/install/doinst.sh
+
+# Package the tree
+cd $PKG
+mkdir -p $OUT
+PACKAGING="
+chown root:root . -R
+/sbin/makepkg -l y -c n $OUT/$NAMEPKG-$VERSION-$ARCH-$BUILD.$EXT
+rm -rf $PKG
+rm -rf $TMP/$NAME
+"
+if type -p fakeroot ; then
+    echo "$PACKAGING" | fakeroot
+else
+    su -c "$PACKAGING"
+fi
diff --git a/ap/opensc/slack-desc b/ap/opensc/slack-desc
new file mode 100644
index 00000000..81707f6c
--- /dev/null
+++ b/ap/opensc/slack-desc
@@ -0,0 +1,12 @@
+      |-----handy-ruler-------------------------------------------------------|
+opensc: opensc (tools and libraries for smart cards)
+opensc: 
+opensc: OpenSC provides a set of libraries and utilities to work with smart
+opensc: cards. Its main focus is on cards that support cryptographic
+opensc: operations, and facilitate their use in security applications such as
+opensc: authentication, mail encryption and digital signatures. OpenSC
+opensc: implements the PKCS#11 API so applications supporting this API (such
+opensc: as Mozilla Firefox and Thunderbird) can use it.
+opensc: 
+opensc: 
+opensc: