1 files changed, 8 insertions, 1 deletions

diff --git a/src/main/java/org/uic/barcode/staticFrame/StaticFrame.java b/src/main/java/org/uic/barcode/staticFrame/StaticFrame.java
index 639af69..2759bf0 100644
--- a/src/main/java/org/uic/barcode/staticFrame/StaticFrame.java
+++ b/src/main/java/org/uic/barcode/staticFrame/StaticFrame.java
@@ -655,7 +655,7 @@ public class StaticFrame {
 	 * @throws NoSuchAlgorithmException the no such algorithm exception

 	 * @throws SignatureException the signature exception

 	 * @throws IllegalArgumentException the illegal argument exception

-	 * @throws UnsupportedOperationException the unsupported operatign exception

+	 * @throws UnsupportedOperationException the unsupported operating exception

 	 * @throws EncodingFormatException 

 	 * @throws IOException 

 	 */

@@ -669,6 +669,9 @@ public class StaticFrame {
 	    	   algo = service.getAlgorithm();

 	       }

 		}

+		if (algo == null) {

+			throw new NoSuchAlgorithmException("No service for algorithm found: " + signingAlg);

+		}

 		Signature sig = Signature.getInstance(algo);

 		sig.initVerify(key);

 		sig.update(getDataForSignature());

@@ -697,8 +700,12 @@ public class StaticFrame {
 	       Service service = prov.getService("Signature",signingAlg);

 	       if (service != null) {

 	    	   algo = service.getAlgorithm();

+	    	   break;

 	       }

 		}

+		if (algo == null) {

+			throw new NoSuchAlgorithmException("No service for algorthm found: " + signingAlg);

+		}

 		Signature sig = Signature.getInstance(algo);

 		sig.initSign(key);

 		signedData = getDataForSignature();