1 files changed, 21 insertions, 0 deletions

diff --git a/src/main/java/org/uic/barcode/dynamicFrame/Level2DataType.java b/src/main/java/org/uic/barcode/dynamicFrame/Level2DataType.java
index dbd25ce..8c3cd60 100644
--- a/src/main/java/org/uic/barcode/dynamicFrame/Level2DataType.java
+++ b/src/main/java/org/uic/barcode/dynamicFrame/Level2DataType.java
@@ -1,6 +1,7 @@
 package org.uic.barcode.dynamicFrame;

 

 import java.security.PrivateKey;

+import java.security.Provider;

 import java.security.Signature;

 

 import org.uic.barcode.asn1.datatypes.Asn1Optional;

@@ -95,6 +96,26 @@ public class Level2DataType {
 		this.level1Signature = new OctetString(sig.sign());

 	}

 

+	/**

+	 * Sign the contained data block.

+	 * 

+	 * Note:  an appropriate security provider (e.g. BC) must be registered before 

+	 *

+	 * @param key the key

+	 * @param security provider - security provider that must be sued to create the signature

+	 * @return 

+	 * @return the byte[]

+	 * @throws Exception 

+	 */

+	public void signLevel1(PrivateKey key, Provider prov) throws Exception {

+		//find the algorithm name for the signature OID

+		String algo = AlgorithmNameResolver.getSignatureAlgorithmName(getLevel1Data().level1SigningAlg);

+		Signature sig = Signature.getInstance(algo, prov);

+		sig.initSign(key);

+		byte[] data = level1Data.encode();

+		sig.update(data);

+		this.level1Signature = new OctetString(sig.sign());

+	}

 	

 	

 }