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diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/algorithmSuite/AlgorithmSuiteObject.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/algorithmSuite/AlgorithmSuiteObject.java
new file mode 100644
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+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/algorithmSuite/AlgorithmSuiteObject.java
@@ -0,0 +1,183 @@
+/**
+ * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
+ * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
+ * joint initiative of the Federal Chancellery Austria and Graz University of
+ * Technology.
+ *
+ * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
+ * the European Commission - subsequent versions of the EUPL (the "Licence");
+ * You may not use this work except in compliance with the Licence.
+ * You may obtain a copy of the Licence at:
+ * http://www.osor.eu/eupl/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the Licence is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Licence for the specific language governing permissions and
+ * limitations under the Licence.
+ *
+ * This product combines work with different licenses. See the "NOTICE" text
+ * file for details on the various modules and licenses.
+ * The "NOTICE" text file is part of the distribution. Any derivative works
+ * that you distribute must include a readable copy of the "NOTICE" text file.
+ */
+package at.gv.egiz.pdfas.algorithmSuite;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+/**
+ * Defines a used algorithm suite. Contains a {@link #signatureMethod} a
+ * {@link #dataDigestMethod} a {@link #propertiesDigestMethod} and a
+ * {@link #certDigestMethod}.<br>
+ * 
+ * This structured object is representing a string like
+ * <code>ecdsa-sha256:sha256:sha256:ripemd160</code><br>
+ * meaning
+ * <code>signatureMethod:dataDigestMethod:propertiesDigestMethod:certDigestMethod</code>
+ * 
+ * @author dferbas
+ * 
+ */
+public class AlgorithmSuiteObject {
+   private static Log log = LogFactory.getLog(AlgorithmSuiteObject.class);
+
+   private String signatureMethod;
+   private String dataDigestMethod;
+   private String propertiesDigestMethod;
+   private String certDigestMethod;
+
+   /**
+    * Create emtpy algorithm suite object
+    */
+   public AlgorithmSuiteObject() {
+
+   }
+
+   /**
+    * Create object from parameter string like
+    * <code>etsi-moc-1.2:ecdsa-sha1:ripemd160@207c44ff</code>
+    * Prefix included
+    * 
+    * @param parameterString
+    */
+   public AlgorithmSuiteObject(String parameterString) {
+      parseFrom(parameterString, true);
+   }
+   
+   /**
+    * Create object from parameter string like <br>
+    * <code>etsi-moc-1.2:ecdsa-sha1:ripemd160@207c44ff</code> hasPrefix=true <br>
+    * <code>ecdsa-sha1:ripemd160@207c44ff</code> hasPrefix=false
+    * 
+    * 
+    * @param parameterString
+    * @param hasPrefix parse with/without prefix (e.g. etsi-moc-1.2)
+    */
+   public AlgorithmSuiteObject(String parameterString, boolean hasPrefix) {
+      parseFrom(parameterString, hasPrefix);
+   }
+
+   /**
+    * Initializes object from parameter string like
+    * <code>etsi-moc-1.2:ecdsa-sha1:ripemd160@207c44ff</code> hasPrefix=true <br>
+    * <code>ecdsa-sha1:ripemd160@207c44ff</code> hasPrefix=false
+    * 
+    * @param parameterString
+    * @param hasPrefix parse with/without prefix (e.g. etsi-moc-1.2)
+    */
+   public void parseFrom(String parameterString, boolean hasPrefix) {
+      log.debug("parsing algorithmSuite from " + parameterString);
+      if (parameterString != null) {
+         parameterString = parameterString.split("@")[0];
+         if (!hasPrefix) {
+            parameterString = "bla:" + parameterString; // fake prefix
+         }
+         String[] arr = parameterString.split(":");         
+         if (arr.length > 1) {
+            this.signatureMethod = arr[1];
+            this.dataDigestMethod = this.propertiesDigestMethod = this.certDigestMethod = AlgorithmMapper
+                  .getHashAbbrFromSuite(arr[1]);
+
+            if (arr.length > 2) {
+               this.dataDigestMethod = this.propertiesDigestMethod = this.certDigestMethod = arr[2];
+            }
+            if (arr.length > 3) {
+               this.propertiesDigestMethod = this.certDigestMethod = arr[3];
+            }
+            if (arr.length > 4) {
+               this.certDigestMethod = arr[4];
+            }
+            log.debug("successfully parsed to: " + this.toString());
+         }
+      }
+   }
+
+   /**
+    * Returns if algorithm object is valid specified (values are available)
+    * 
+    * @return
+    */
+   public boolean isSpecified() {
+      return this.signatureMethod != null;
+   }
+
+   /**
+    * Signature method abbreviation. E.g. rsa-sha1, ecdsa-sha256
+    * 
+    * @return
+    */
+   public String getSignatureMethod() {
+      return this.signatureMethod;
+   }
+
+   /**
+    * Digest method for data (document). E.g. sha1, md5
+    * 
+    * @return
+    */
+   public String getDataDigestMethod() {
+      return this.dataDigestMethod;
+   }
+
+   /**
+    * Digest method for properties. E.g. sha1, md5
+    * 
+    * @return
+    */
+   public String getPropertiesDigestMethod() {
+      return this.propertiesDigestMethod;
+   }
+
+   /**
+    * Digest method for certificate digest. E.g. sha1, md5
+    * 
+    * @return
+    */
+   public String getCertDigestMethod() {
+      return this.certDigestMethod;
+   }
+
+   public void setSignatureMethod(String signatureMethod) {
+      this.signatureMethod = signatureMethod;
+   }
+
+   public void setDataDigestMethod(String dataDigestMethod) {
+      this.dataDigestMethod = dataDigestMethod;
+   }
+
+   public void setPropertiesDigestMethod(String propertiesDigestMethod) {
+      this.propertiesDigestMethod = propertiesDigestMethod;
+   }
+
+   public void setCertDigestMethod(String certDigestMethod) {
+      this.certDigestMethod = certDigestMethod;
+   }
+
+   public String toString() {
+      return "AlgorithmSuiteObject [certDigestMethod=" + this.certDigestMethod
+            + ", dataDigestMethod=" + this.dataDigestMethod + ", propertiesDigestMethod="
+            + this.propertiesDigestMethod + ", signatureMethod=" + this.signatureMethod + "]";
+   }
+
+}