add test to moa-sig module that facilities decoding of PDF embeded CAdES signatures

1 files changed, 40 insertions, 0 deletions

diff --git a/eaaf_modules/eaaf_module_moa-sig/src/test/java/console/PdfSigDecoder.java b/eaaf_modules/eaaf_module_moa-sig/src/test/java/console/PdfSigDecoder.java
new file mode 100644
index 00000000..28338746
--- /dev/null
+++ b/eaaf_modules/eaaf_module_moa-sig/src/test/java/console/PdfSigDecoder.java
@@ -0,0 +1,40 @@
+package console;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.UnsupportedEncodingException;
+
+import org.springframework.util.Base64Utils;
+import org.springframework.util.StreamUtils;
+
+import iaik.asn1.ASN1;
+import iaik.asn1.CodingException;
+
+public class PdfSigDecoder {
+
+  /**
+   * Decode a CAdES signature that is located in a PDF document.
+   * 
+   * @param args not supported yes
+   * @throws CodingException In case of an ASN.1 decoding error
+   * @throws IOException  In case of a general error 
+   * @throws UnsupportedEncodingException In case of a general error
+   */
+  public static void main(String[] args) throws CodingException, UnsupportedEncodingException, IOException {
+    InputStream is = PdfSigDecoder.class.getResourceAsStream("/pdf_cades_3.hex");
+    String test = new String(StreamUtils.copyToByteArray(is), "UTF-8");
+    test = test.replaceAll("\\n", "");
+    final byte[] bytes = new byte[test.length() / 2];
+    for (int i = 0; i < test.length() / 2; i++) {
+      bytes[i] = (byte) Integer.parseInt(test.substring(i * 2, i * 2 + 2), 16);
+    }
+    Base64Utils.encodeToString(bytes);
+
+    final ASN1 asn1 = new ASN1(bytes);
+
+    System.out.println(asn1.toString());
+    System.out.println(Base64Utils.encodeToString(bytes));
+
+  }
+
+}