diff --git a/.hgignore b/.hgignore
index 0f8c64c..7c11be1 100644
--- a/.hgignore
+++ b/.hgignore
@@ -1,3 +1,7 @@
 syntax: glob
 ciform/trunk/crypto/rsa/local.properties
 codecs/rsa/local.properties
+codecs/rsa/target
+codecs/rsa/.project
+tools/yuicompressor-*.jar
+tools/ivy-*.jar
diff --git a/codecs/rsa/build.properties b/codecs/rsa/build.properties
index d45294b..7f9eea1 100644
--- a/codecs/rsa/build.properties
+++ b/codecs/rsa/build.properties
@@ -33,18 +33,20 @@ target.dir=${basedir}/target
 # Where the generated libraries are going
 lib.dir=${target.dir}/lib
 
-# Where to copy the api documentation
-doc.dir=${target.dir}/api
+# Where to copy the documentation
+doc.dir=${target.dir}/doc
 
-# name of the ivy configurations
-target.conf.min=min
 
 ########################################
 #
-# External programs
+# External programs : you should copy this section to "local.properties"
+# and change it for your configuration.
 #
 ########################################
 
+# (convenience) -> set to common 'tools' directory
+#tools.dir=../../tools
+
 # JsUnit files
 #jsunit.dir=/opt/jsunit
 jsunit.coreJs=${jsunit.dir}/app/jsUnitCore.js
@@ -53,13 +55,15 @@ jsunit.testRunner=${jsunit.dir}/testRunner.html
 #jsunit.browsers=/usr/bin/firefox,/usr/bin/konqueror
 
 # Ivy settings
+# (required) -> set to Ivy libraries directory (contains all required *.jar)
+#ivy.lib.dir=/opt/ivy
 #ivy.file = ${basedir}/ivy.xml
 #repository.dir=${target}/ivy
 
 # (required) -> define this property in your "local.properties" file
 # Full path to the jar of the YUI compressor (http://developer.yahoo.com/yui/compressor)
-#yuicompressor.jar=/opt/yuicompressor/yuicompressor.jar
+#yuicompressor.jar=${tools.dir}/yuicompressor-2.4.7.jar
 
 # (required) -> define this property in your "local.properties" file
 # Command line to execute JSDoc (http://jsdoc.sourceforge.net)
-#jsdoc=/opt/JSDoc/jsdoc.pl
\ No newline at end of file
+#jsdoc=${tools.dir}/JSDoc/jsdoc.pl
\ No newline at end of file
diff --git a/codecs/rsa/build.xml b/codecs/rsa/build.xml
index 9be7427..ff15066 100644
--- a/codecs/rsa/build.xml
+++ b/codecs/rsa/build.xml
@@ -15,45 +15,62 @@
     <property file="build.properties"/>
 
 
+    <!-- ==================== -->
+    <!-- Third party tasks -->
+    <!-- ==================== -->
+
+    <path id="ivy.lib.path">
+        <fileset file="${ant.ivytask.path}" />
+    </path>
+    <taskdef resource="org/apache/ivy/ant/antlib.xml" uri="antlib:org.apache.ivy.ant" classpathref="ivy.lib.path"/>
+
+
     <!-- ==================== -->
     <!-- Main targets : they are greatly inspired from the Maven build lifecycle -->
     <!-- ==================== -->
 
     <target name="validate" description="Validates the project is correct and all necessary information is available.">
-        <!-- Retreives dependencies with ivy -->
-        <ivy:retrieve/>
-        <!-- Creates necessary directories -->
+        <!-- Retrieves dependencies with ivy : required to initialize the cache and to get informations about the module being built -->
+    	<ivy:retrieve />
+        <!-- Creates required directories -->
         <mkdir dir="${target.dir}" />
     </target>
-    
+
     <target name="compile" depends="validate" description="Compiles the source code of the project.">
-        <!-- nothing to do -->
-    </target>
-    
-    <target name="test" depends="compile" description="Tests the compiled source code using a suitable unit testing framework. These tests should not require the code be packaged or deployed.">
-        <!-- nothing to do -->
-    </target>
-    
-    <target name="package" depends="test, doc, build-default, build-min" description="Takes the compiled code and package it in its distributable format, such as a JAR.">
         <!-- nothing more to do -->
     </target>
-    
+
+    <target name="test" depends="compile" description="Tests the compiled source code using a suitable unit testing framework. These tests should not require the code be packaged or deployed.">
+        <!-- nothing more to do -->
+    </target>
+
+    <target name="package" depends="build-src, build-min, test, doc" description="Takes the compiled code and package it in its distributable format, such as a JAR.">
+        <!-- nothing more to do -->
+    </target>
+
     <target name="integration-test" depends="package" description="Processes and deploys the package if necessary into an environment where integration tests can be run.">
-        <!-- nothing to do -->
+        <!-- nothing more to do -->
     </target>
-    
+
     <target name="verify" depends="integration-test" description="Runs any checks to verify the package is valid and meets quality criteria.">
-        <!-- nothing to do -->
+        <!-- nothing more to do -->
     </target>
-    
+
     <target name="install" depends="verify" description="Installs the package into the local repository, for use as a dependency in other projects locally.">
-        <ivy:publish resolver="local" artifactspattern="${lib.dir}/[artifact]-[revision].[ext]" overwrite="true" />
+        <!-- 'local' resolver is a default one bundled with Ivy -->
+        <!-- 'artifactspattern' must match the name of the files this script builds -->
+        <ivy:publish resolver="local" srcivypattern="ivy.xml" artifactspattern="${lib.dir}/[artifact]-[revision].[ext]" overwrite="true" forcedeliver="true" />
+        <!--<echo message="Published to default local Ivy repository." />-->
     </target>
-    
+
     <target name="deploy" depends="verify" description="Done in an integration or release environment, copies the final package to the remote repository for sharing with other developers and projects.">
-        <!-- nothing to do -->
+        <!-- nothing more to do -->
     </target>
-    
+
+    <target name="clean" description="Cleans this project.">
+        <delete includeemptydirs="true" dir="${target.dir}"/>
+    </target>
+
 
     <!-- ==================== -->
     <!-- Some more specific targets -->
@@ -61,31 +78,30 @@
 
     <target name="doc" depends="validate" description="Generates developer documentation.">
         <!-- Generates a report of dependencies -->
-        <ivy:report todir="${doc.dir}"/>
+        <ivy:report todir="${doc.dir}/ivy"/>
         <!-- Generates the API doc -->
         <exec command="${jsdoc}" failonerror="true">
-            <arg value="-d"/> <arg value="${doc.dir}"/>
+            <arg value="-d"/> <arg value="${doc.dir}/api"/>
             <arg value="--no-lexical-privates"/>
             <arg value="--package-naming"/>
             <arg value="--nested-file-naming"/>
             <arg line="--project-name Crypto.RSA"/>
             <arg value="${src.dir}"/>
         </exec>
+        <echo message="Done generating doc." />
     </target>
 
-    <target name="build-default" depends="validate" description="Builds the default package.">
+    <target name="build-src" depends="validate" description="Builds the default .js.">
         <copy file="${src.dir}/rsa.js" tofile="${lib.dir}/rsa-${ivy.revision}.js" />
+        <echo message="Copied : ${lib.dir}/rsa-${ivy.revision}.js" />
     </target>
 
-    <target name="build-min" depends="validate" description="Builds the minified version of the package.">
-        <java jar="${yuicompressor.jar}" fork="true" output="${lib.dir}/rsa-${target.conf.min}-${ivy.revision}.js" failonerror="true">
+    <target name="build-min" depends="validate" description="Builds a minified version of the .js.">
+        <java jar="${yuicompressor.jar}" fork="true" output="${lib.dir}/rsa-min-${ivy.revision}.js" failonerror="true">
             <arg line="--type js" />
             <arg file="${src.dir}/rsa.js"/>
         </java>
-    </target>
-
-    <target name="clean" description="Cleans this project.">
-        <delete includeemptydirs="true" dir="${target.dir}"/>
+        <echo message="Minified : ${lib.dir}/rsa-min-${ivy.revision}.js" />
     </target>
 
 </project>
diff --git a/codecs/rsa/ivy.xml b/codecs/rsa/ivy.xml
index c5ecc6e..22f0bc6 100644
--- a/codecs/rsa/ivy.xml
+++ b/codecs/rsa/ivy.xml
@@ -1,26 +1,23 @@
-<ivy-module version="2.0">
-    <info organisation="crypto" module="rsa" revision="1.0" status="integration">
-        <license name="Copyright 2000 by John M Hanna" url="http://sourceforge.net/projects/shop-js" />
-        <license name="GNU General Public License (GPL)" url="http://www.gnu.org/copyleft/gpl.html" />
-        <ivyauthor name="Nicolas BONARDELLE" url="http://nicobo.net/contact?subject=crypto+rsa+ivy" />
-        <repository name="nicobo.net" url="http://code.google.com/p/ciform/files" ivys="true" artifacts="true" />
-        <description homepage="http://code.google.com/p/ciform">
-            This library provides a Javascript implementation of the RSA cipher.
-        </description>
-    </info>
-    <configurations>
-      <conf name="src"/>
-      <conf name="min"/>
-    </configurations>
-    <publications>
-        <artifact name="rsa" type="javascript" ext="js">
-            <!-- The source script as plain text, including all inner informations and comments. -->
-            <conf name="src" />
-            <!-- An obfuscated, size-reduced version of the script. Use to speed up loading time in final environment. -->
-            <conf name="min" />
-        </artifact>
-    </publications>
-    <dependencies>
-        <!-- no dependency required -->
-    </dependencies>
-</ivy-module>
\ No newline at end of file
+<ivy-module version="2.0">
+    <info organisation="crypto" module="rsa" revision="1.0.0" status="integration" publication="20120126183301">
+        <license name="Copyright 2000 by John M Hanna" url="http://sourceforge.net/projects/shop-js"/>
+        <license name="GNU General Public License (GPL)" url="http://www.gnu.org/copyleft/gpl.html"/>
+        <ivyauthor name="Nicolas BONARDELLE" url="http://nicobo.net/contact?subject=crypto+rsa+ivy"/>
+        <description homepage="http://code.google.com/p/ciform">
+            This library provides a Javascript implementation of the RSA cipher.
+        </description>
+    </info>
+    <configurations>
+      <!-- The source script as plain text, including all inner informations and comments. -->
+      <conf name="source"/>
+      <!-- An obfuscated, size-reduced version of the script. Use to speed up loading time in final environment. -->
+      <conf name="minified"/>
+    </configurations>
+    <publications>
+        <artifact name="rsa" type="js" conf="source"/>
+        <artifact name="rsa-min" type="js" conf="minified"/>
+    </publications>
+    <dependencies>
+        <!-- no dependency required -->
+    </dependencies>
+</ivy-module>
diff --git a/tools/apache-ivy-2.2.0-bin.zip b/tools/apache-ivy-2.2.0-bin.zip
new file mode 100644
index 0000000..c11fffc
Binary files /dev/null and b/tools/apache-ivy-2.2.0-bin.zip differ