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diff --git a/pdf-over-signer/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4SignatureParameter.java b/pdf-over-signer/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4SignatureParameter.java
new file mode 100644
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+++ b/pdf-over-signer/src/main/java/at/asit/pdfover/signer/pdfas/PdfAs4SignatureParameter.java
@@ -0,0 +1,230 @@
+/*
+ * Copyright 2012 by A-SIT, Secure Information Technology Center Austria
+ *
+ * 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://joinup.ec.europa.eu/software/page/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.
+ */
+package at.asit.pdfover.signer.pdfas;
+
+//Imports
+
+import iaik.x509.X509Certificate;
+
+import java.awt.Image;
+import java.awt.image.BufferedImage;
+import java.util.HashMap;
+import java.util.Locale;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+
+import at.asit.pdfover.signator.SignatureDimension;
+import at.asit.pdfover.signator.SignatureParameter;
+import at.asit.pdfover.signator.SignaturePosition;
+import at.gv.egiz.pdfas.lib.api.Configuration;
+import at.gv.egiz.pdfas.lib.api.PdfAs;
+import at.gv.egiz.pdfas.lib.api.PdfAsFactory;
+import at.gv.egiz.pdfas.lib.api.sign.SignParameter;
+import at.asit.pdfover.commons.Profile;
+
+/**
+ * Implementation of SignatureParameter for PDF-AS 4 Library
+ */
+public class PdfAs4SignatureParameter extends SignatureParameter {
+    /**
+     * The profile ID extension for the German signature block
+     */
+    private static final String PROFILE_ID_LANG_DE = "_DE";
+    /**
+     * The profile ID extension for the English signature block
+     */
+    private static final String PROFILE_ID_LANG_EN = "_EN";
+    /**
+     * The profile ID extension for the signature note
+     */
+    private static final String PROFILE_ID_NOTE = "_NOTE";
+    /**
+     * The profile ID extension for PDF/A compatibility
+     */
+    private static final String PROFILE_ID_PDFA = "_PDFA";
+
+    private static final String PROFILE_ID_RECOMMENDED = "_RECOMMENDED";
+
+    /**
+     * Visibility of signature block
+     */
+    public static boolean PROFILE_VISIBILITY = true;
+
+    private HashMap<String, String> genericProperties = new HashMap<String, String>();
+
+    /**
+     * This parameters are defining the signature block size
+     */
+    private int sig_w = 229;
+    private int sig_h = 77;
+
+    /**
+     * SLF4J Logger instance
+     **/
+    static final Logger log = LoggerFactory
+            .getLogger(PdfAs4SignatureParameter.class);
+    private String profile = Profile.getDefaultProfile();
+
+    /* (non-Javadoc)
+     * @see at.asit.pdfover.signator.SignatureParameter#getPlaceholderDimension()
+     */
+    @Override
+    public SignatureDimension getPlaceholderDimension() {
+        return new SignatureDimension(this.sig_w, this.sig_h);
+    }
+
+    /* (non-Javadoc)
+     * @see at.asit.pdfover.signator.SignatureParameter#getPlaceholder()
+     */
+    @Override
+    public Image getPlaceholder() {
+        String sigProfile = getPdfAsSignatureProfileId();
+
+        String sigEmblem = (getEmblem() == null ? null : getEmblem().getFileName());
+        String sigNote = getProperty("SIG_NOTE");
+
+        try {
+            X509Certificate cert = new X509Certificate(PdfAs4SignatureParameter.class.getResourceAsStream("/qualified.cer"));
+            PdfAs pdfas = PdfAs4Helper.getPdfAs();
+            Configuration conf = pdfas.getConfiguration();
+            if (sigEmblem != null && !sigEmblem.trim().equals("")) {
+                conf.setValue("sig_obj." + sigProfile + ".value.SIG_LABEL", sigEmblem);
+            }
+            if (sigNote != null) {
+                conf.setValue("sig_obj." + sigProfile + ".value.SIG_NOTE", sigNote);
+            }
+            SignParameter param = PdfAsFactory
+                    .createSignParameter(conf, null, null);
+            param.setSignatureProfileId(sigProfile);
+            Image img = pdfas.generateVisibleSignaturePreview(param, cert, 72 * 4);
+            this.sig_w = img.getWidth(null) / 4;
+            this.sig_h = img.getHeight(null) / 4;
+
+            return img;
+        } catch (Exception e) {
+            log.error("Failed to get signature placeholder", e);
+            return new BufferedImage(getPlaceholderDimension().getWidth(),
+                    getPlaceholderDimension().getHeight(),
+                    BufferedImage.TYPE_INT_RGB);
+        }
+    }
+
+    /* (non-Javadoc)
+     * @see at.asit.pdfover.signator.SignatureParameter#setProperty(java.lang.String, java.lang.String)
+     */
+    @Override
+    public void setProperty(String key, String value) {
+        this.genericProperties.put(key, value);
+    }
+
+    /* (non-Javadoc)
+     * @see at.asit.pdfover.signator.SignatureParameter#getProperty(java.lang.String)
+     */
+    @Override
+    public String getProperty(String key) {
+        return this.genericProperties.get(key);
+    }
+
+    /**
+     * Gets the Signature Position String for PDF-AS
+     *
+     * @return Signature Position String
+     */
+    public String getPdfAsSignaturePosition() {
+        SignaturePosition in_pos = getSignaturePosition();
+        String out_pos;
+
+        if (!in_pos.useAutoPositioning()) {
+            if (in_pos.getPage() < 1) {
+                out_pos = String.format(
+                        (Locale) null,
+                        "p:new;x:%f;y:%f", in_pos.getX(), in_pos.getY());
+            } else {
+                out_pos = String.format(
+                        (Locale) null,
+                        "p:%d;x:%f;y:%f", in_pos.getPage(), in_pos.getX(), in_pos.getY());
+            }
+        } else {
+            out_pos = "p:auto;x:auto;y:auto";
+        }
+
+        return out_pos;
+    }
+
+    /**
+     * Get the Signature Profile ID for this set of parameters
+     *
+     * @return the Signature Profile ID
+     */
+    public String getPdfAsSignatureProfileId() {
+        String lang = getSignatureLanguage();
+        boolean useNote = (getProperty("SIG_NOTE") != null);
+        boolean usePdfACompat = (getSignaturePdfACompat());
+
+        //Add Signature Param here//
+        String profileId;
+
+        if (!PROFILE_VISIBILITY) {
+            log.debug("Profile visibility was set to false");
+            return Profile.INVISIBLE.name();
+        }
+
+        Profile profile = Profile.getProfile(this.profile);
+        switch (profile) {
+            case BASE_LOGO:
+            case INVISIBLE:
+                return this.profile;
+            case AMTSSIGNATURBLOCK:
+                profileId = this.profile;
+                profileId += getLangProfilePart(lang);
+                profileId += PROFILE_ID_RECOMMENDED;
+                return profileId;
+            default:
+                profileId = this.profile;
+                profileId += getLangProfilePart(lang);
+                break;
+        }
+
+        if (useNote)
+            profileId += PROFILE_ID_NOTE;
+
+        if (usePdfACompat)
+            profileId += PROFILE_ID_PDFA;
+
+        log.debug("Profile ID: {}", profileId);
+        return profileId;
+    }
+
+    private String getLangProfilePart(String lang) {
+        return (lang != null && lang.equals("en")) ? PROFILE_ID_LANG_EN : PROFILE_ID_LANG_DE;
+    }
+
+    @Override
+    public void setSignatureProfile(String profile) {
+        this.profile = profile;
+    }
+
+    @Override
+    public String getSignatureProfile() {
+        return this.profile;
+    }
+
+}
+
+
+