1 files changed, 499 insertions, 0 deletions
diff --git a/src/main/java/org/uic/barcode/dynamicFrame/api/SimpleDynamicFrame.java b/src/main/java/org/uic/barcode/dynamicFrame/api/SimpleDynamicFrame.java
new file mode 100644
index 0000000..a05a936
--- /dev/null
+++ b/src/main/java/org/uic/barcode/dynamicFrame/api/SimpleDynamicFrame.java
@@ -0,0 +1,499 @@
+package org.uic.barcode.dynamicFrame.api;
+
+import java.security.InvalidKeyException;
+import java.security.KeyFactory;
+import java.security.NoSuchAlgorithmException;
+import java.security.PrivateKey;
+import java.security.Provider;
+import java.security.PublicKey;
+import java.security.Signature;
+import java.security.SignatureException;
+import java.security.spec.InvalidKeySpecException;
+import java.security.spec.X509EncodedKeySpec;
+import java.util.Date;
+
+import org.uic.barcode.dynamicContent.api.DynamicContentCoder;
+import org.uic.barcode.dynamicContent.api.IUicDynamicContent;
+import org.uic.barcode.dynamicContent.fdc1.UicDynamicContentDataFDC1;
+import org.uic.barcode.dynamicFrame.Constants;
+import org.uic.barcode.dynamicFrame.v1.DynamicFrameCoderV1;
+import org.uic.barcode.dynamicFrame.v2.DynamicFrameCoderV2;
+import org.uic.barcode.ticket.EncodingFormatException;
+import org.uic.barcode.utils.AlgorithmNameResolver;
+
+
+
+/**
+ * The DynamicHeader for bar codes 
+ * 
+ */
+public class SimpleDynamicFrame implements IDynamicFrame {
+	
+	/**
+	 * Instantiates a new dynamic frame.
+	 */
+	public SimpleDynamicFrame() {}
+	
+	public SimpleDynamicFrame(String format) {
+		this.format = format;
+	}
+
+	/** The format. */
+	public String format = null;
+	
+	/** The level 2 signed data. */
+	/*level 2 data*/
+	public ILevel2Data level2Data;
+	
+	
+	/**  The signature of level 2 data. */
+	public byte[] level2Signature;
+	
+	public Date endOfValidity = null;
+	
+	/**
+	 * Gets the format.
+	 *
+	 * @return the format
+	 */
+	@Override
+	public String getFormat() {
+		return format;
+	}
+
+	/**
+	 * Sets the format.
+	 *
+	 * @param format the new format
+	 */
+	@Override
+	public void setFormat(String format) {
+		this.format = format;
+	}
+	
+	/**
+	 * Gets the level 2 signed data.
+	 *
+	 * @return the level 2 signed data
+	 */
+	@Override
+	public ILevel2Data getLevel2Data() {
+		return level2Data;
+	}
+
+	/**
+	 * Sets the level 2 signed data.
+	 *
+	 * @param level2SignedData the new level 2 signed data
+	 */
+	@Override
+	public void setLevel2Data(ILevel2Data level2SignedData) {
+		this.level2Data = level2SignedData;
+	}
+
+	/**
+	 * Gets the level 2 signature.
+	 *
+	 * @return the level 2 signature
+	 */
+	@Override
+	public byte[] getLevel2Signature() {
+		return level2Signature;
+	}
+
+	/**
+	 * Sets the level 2 signature.
+	 *
+	 * @param level2Signature the new level 2 signature
+	 */
+	@Override
+	public void setLevel2Signature(byte[] level2Signature) {
+		this.level2Signature = level2Signature;
+	}
+
+
+	
+	/**
+	 * Verify the level 2 signature
+	 * 
+	 * Note:  an appropriate security provider (e.g. BC) must be registered before 
+	 *
+	 * @return the int
+	 * @throws EncodingFormatException 
+	 */	
+	@Override
+	public int validateLevel2() throws EncodingFormatException {
+		return validateLevel2(null);
+	
+	}
+	
+	/**
+	 * Verify the level 2 signature
+	 * 
+	 * Note:  an appropriate security provider (e.g. BC) must be registered before 
+	 *
+	 * @param prov the registered security provider
+	 * @return the return error code
+	 * @throws EncodingFormatException 
+	 */	
+	@Override
+	public int validateLevel2(Provider prov) throws EncodingFormatException {
+		
+		if (getLevel2Data() == null
+				|| getLevel2Data().getLevel1Data() == null 
+				|| getLevel2Data().getLevel1Data().getLevel2KeyAlg() == null
+				|| getLevel2Data().getLevel1Data().getLevel2KeyAlg().length() == 0) {
+			return Constants.LEVEL2_VALIDATION_NO_KEY;
+		}
+		
+		String level2KeyAlg = getLevel2Data().getLevel1Data().getLevel2KeyAlg();
+
+	 
+		if (level2KeyAlg == null || level2KeyAlg.length() == 0) {
+			return Constants.LEVEL2_VALIDATION_NO_KEY;
+		}
+		
+		if (level2Signature == null || level2Signature.length == 0) {
+			return Constants.LEVEL2_VALIDATION_NO_SIGNATURE;
+		}
+					
+		String keyAlgName = null;
+		try {
+			keyAlgName = AlgorithmNameResolver.getName(AlgorithmNameResolver.TYPE_KEY_GENERATOR_ALG, level2KeyAlg,prov);
+		} catch (Exception e1) {
+			return Constants.LEVEL2_VALIDATION_KEY_ALG_NOT_IMPLEMENTED;	
+		}
+		if (keyAlgName == null || keyAlgName.length() == 0) {
+			return Constants.LEVEL2_VALIDATION_KEY_ALG_NOT_IMPLEMENTED;	
+		}
+		
+		PublicKey key = null;
+		try {
+			byte[] keyBytes = this.getLevel2Data().getLevel1Data().getLevel2publicKey();
+			X509EncodedKeySpec keySpec = new X509EncodedKeySpec(keyBytes);
+			key = KeyFactory.getInstance(keyAlgName).generatePublic(keySpec);
+		} catch (InvalidKeySpecException e1) {
+			return Constants.LEVEL2_VALIDATION_KEY_ALG_NOT_IMPLEMENTED;	
+		} catch (NoSuchAlgorithmException e1) {
+			return Constants.LEVEL2_VALIDATION_KEY_ALG_NOT_IMPLEMENTED;	
+		}
+		
+		//find the algorithm name for the signature OID
+		String level2SigAlg = this.getLevel2Data().getLevel1Data().getLevel2SigningAlg();
+
+		String sigAlgName = null;
+		try {
+			sigAlgName = AlgorithmNameResolver.getName(AlgorithmNameResolver.TYPE_SIGNATURE_ALG,level2SigAlg,prov);
+		} catch (Exception e1) {
+			return Constants.LEVEL2_VALIDATION_SIG_ALG_NOT_IMPLEMENTED;
+		}
+		if (sigAlgName == null) {
+			return Constants.LEVEL2_VALIDATION_SIG_ALG_NOT_IMPLEMENTED;
+		}
+		
+		Signature sig;
+		try {
+			if (prov == null) {
+				sig = Signature.getInstance(sigAlgName);
+			} else {
+				sig = Signature.getInstance(sigAlgName, prov);
+			}
+		} catch (NoSuchAlgorithmException e) {
+			return Constants.LEVEL2_VALIDATION_SIG_ALG_NOT_IMPLEMENTED;
+		}
+		try {
+			sig.initVerify(key);
+		} catch (InvalidKeyException e) {
+			return Constants.LEVEL2_VALIDATION_SIG_ALG_NOT_IMPLEMENTED;
+		}
+		
+		try {
+			byte[] signedData2 = getLevel2DataBin();
+			sig.update(signedData2);
+		} catch (SignatureException e) {
+			return Constants.LEVEL2_VALIDATION_SIG_ALG_NOT_IMPLEMENTED;
+		} catch (IllegalArgumentException e) {
+			return Constants.LEVEL2_VALIDATION_ENCODING_ERROR;
+		} catch (UnsupportedOperationException e) {
+			return Constants.LEVEL2_VALIDATION_ENCODING_ERROR;
+		}
+		
+		byte[] signature = level2Signature;
+		try {
+			if (sig.verify(signature)){
+				return Constants.LEVEL2_VALIDATION_OK;
+			} else {
+				return Constants.LEVEL2_VALIDATION_FRAUD;
+			}
+		} catch (SignatureException e) {
+			return Constants.LEVEL2_VALIDATION_SIG_ALG_NOT_IMPLEMENTED;
+		}
+  	}
+	
+	@Override
+	public int validateLevel1(PublicKey key, Provider prov) throws EncodingFormatException {
+		return validateLevel1(key, prov, null);
+
+  	}
+	
+	@Override
+	public int validateLevel1(PublicKey key) throws EncodingFormatException {
+		return validateLevel1(key, null, null);
+  	}
+	
+	@Override
+	public int validateLevel1(PublicKey key, String signatureAlgorithmOid) throws EncodingFormatException {
+		return validateLevel1(key, null, signatureAlgorithmOid);
+	}
+
+	@Override
+	public int validateLevel1(PublicKey key, Provider prov, String signatureAlgorithmOid) throws EncodingFormatException {
+
+		if (getLevel2Data() == null
+				|| getLevel2Data().getLevel1Signature() == null
+				|| getLevel2Data().getLevel1Signature() == null
+				|| getLevel2Data().getLevel1Signature().length == 0) {
+			return Constants.LEVEL1_VALIDATION_NO_SIGNATURE;
+		}
+		
+		byte[] signature = this.getLevel2Data().getLevel1Signature();
+
+	
+		//find the algorithm name for the signature OID		
+		String signingAlgorithmOid = null;
+		if (getLevel2Data() != null 
+				&& getLevel2Data().getLevel1Data() != null 
+				&& getLevel2Data().getLevel1Data().getLevel1SigningAlg() != null
+				&& getLevel2Data().getLevel1Data().getLevel1SigningAlg().length() > 0) {
+				signingAlgorithmOid = getLevel2Data().getLevel1Data().getLevel1SigningAlg();	
+		} else {
+			signingAlgorithmOid = signatureAlgorithmOid;
+		}
+				
+		if (signingAlgorithmOid == null || signingAlgorithmOid.length() == 0) {
+			return Constants.LEVEL1_VALIDATION_NO_SIGNATURE;
+		}				
+		//find the algorithm name for the signature OID
+		String algo = null;
+		try {
+			algo = AlgorithmNameResolver.getSignatureAlgorithmName(signingAlgorithmOid, prov);
+		} catch (Exception e1) {
+			return Constants.LEVEL1_VALIDATION_SIG_ALG_NOT_IMPLEMENTED;
+		}	
+		if (algo == null) {
+			return Constants.LEVEL1_VALIDATION_SIG_ALG_NOT_IMPLEMENTED;
+		}
+		
+		Signature sig;
+		try {
+			if (prov != null) {
+				sig = Signature.getInstance(algo, prov);
+			} else {
+				sig = Signature.getInstance(algo);
+
+			}
+		} catch (NoSuchAlgorithmException e) {
+			return Constants.LEVEL1_VALIDATION_SIG_ALG_NOT_IMPLEMENTED;
+		}
+		try {
+			sig.initVerify(key);
+		} catch (InvalidKeyException e) {
+			return Constants.LEVEL1_VALIDATION_SIG_ALG_NOT_IMPLEMENTED;
+		}
+		
+		try {
+			
+			byte[]  encodedData = getLevel1DataBin();			
+			
+			sig.update(encodedData);	
+			
+		} catch (SignatureException e) {
+			return Constants.LEVEL1_VALIDATION_SIG_ALG_NOT_IMPLEMENTED;
+		} catch (IllegalArgumentException e) {
+			return Constants.LEVEL1_VALIDATION_ENCODING_ERROR;
+		} catch (UnsupportedOperationException e) {
+			return Constants.LEVEL1_VALIDATION_ENCODING_ERROR;
+		}
+		
+		try {
+			if (sig.verify(signature)){
+				return Constants.LEVEL1_VALIDATION_OK;
+			} else {
+				return Constants.LEVEL1_VALIDATION_FRAUD;
+			}
+		} catch (SignatureException e) {
+			return Constants.LEVEL1_VALIDATION_SIG_ALG_NOT_IMPLEMENTED;
+		}
+	}
+	
+	@Override
+	public void signLevel2(PrivateKey key) throws Exception {
+		signLevel2(key, null);
+	}
+
+	/**
+	 * Sign level 2 data.
+	 *
+	 * @param key the key
+	 * @param prov the registered security provider
+	 * @throws Exception the exception
+	 */
+	@Override
+	public void signLevel2(PrivateKey key, Provider prov) throws Exception {
+		
+		//find the algorithm name for the signature OID
+		String algo = AlgorithmNameResolver.getSignatureAlgorithmName(this.getLevel2Data().getLevel1Data().getLevel2SigningAlg(), prov);
+		Signature sig = null;
+		if (prov != null) {
+			sig = Signature.getInstance(algo,prov);
+		} else {
+			sig = Signature.getInstance(algo);
+		}
+		sig.initSign(key);
+		byte[] signedData = DynamicFrameCoder.encodeLevel2Data(this);
+		sig.update(signedData);
+		level2Signature = sig.sign();
+		
+	}
+
+	
+	/**
+	 * Adds the dynamic content and encodes it. (API level)
+	 *
+	 * @param content the dynamic content
+	 * @throws EncodingFormatException the encoding format exception
+	 */
+	@Override
+	public void addDynamicContent(IUicDynamicContent content) throws EncodingFormatException {
+				
+		level2Data.setLevel2Data(new SimpleData());
+		
+		level2Data.getLevel2Data().setFormat(DynamicContentCoder.dynamicContentDataFDC1);
+			
+		level2Data.getLevel2Data().setData(DynamicContentCoder.encode(content, DynamicContentCoder.dynamicContentDataFDC1));
+		
+	}
+	
+	/**
+	 * Adds the level 2 dynamic data. (ASN level)
+	 *
+	 * @param dynamicData the dynamic data
+	 */
+	@Override
+	public void addLevel2DynamicData(UicDynamicContentDataFDC1 dynamicData) {
+		this.getLevel2Data().setLevel2Data(dynamicData.getApiDataType());	
+	}
+	
+	/**
+	 * Gets the dynamic content.
+	 *
+	 * @return the dynamic content
+	 */
+	@Override
+	public IUicDynamicContent getDynamicContent() {
+		
+		if (this.getLevel2Data() == null || 
+				this.getLevel2Data().getLevel2Data() == null){
+				return null;
+		}
+		
+		return DynamicContentCoder.decode(level2Data.getLevel2Data().getData());
+			
+	}
+	
+
+	/**
+	 * Sign the contained data block.
+	 * 
+	 * Note:  an appropriate security provider (e.g. BC) must be registered before 
+	 *
+	 * @param key the key
+	 * @return 
+	 * @return the byte[]
+	 * @throws Exception 
+	 */
+	@Override
+	public void signLevel1(PrivateKey key) throws Exception {
+		
+		signLevel1(key, null);
+		
+	}
+
+	/**
+	 * 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 
+	 */
+	@Override
+	public void signLevel1(PrivateKey key, Provider prov) throws Exception {
+		
+		if (level2Data == null) return;
+		
+		ILevel1Data level1Data = level2Data.getLevel1Data();
+		
+		if (level1Data == null) return;
+		
+		//find the algorithm name for the signature OID
+		String algo = AlgorithmNameResolver.getSignatureAlgorithmName(level1Data.getLevel1SigningAlg());
+		Signature sig = null;
+		if (prov != null) {
+			sig = Signature.getInstance(algo, prov);
+		} else {
+			sig = Signature.getInstance(algo);
+		}
+		sig.initSign(key);
+				
+		byte[] data = DynamicFrameCoder.encodeLevel1(this);
+		sig.update(data);
+		level2Data.setLevel1Signature(sig.sign());	
+	}
+
+	@Override
+	public byte[] getLevel1Signature() {
+		return getLevel2Data().getLevel1Signature();
+	}
+
+	@Override
+	public byte[] getLevel1DataBin() throws EncodingFormatException {
+		
+		if (Constants.DYNAMIC_BARCODE_FORMAT_VERSION_1.equals(format)) {
+			
+			return DynamicFrameCoderV1.encode(getLevel2Data().getLevel1Data());
+			
+		} else if (Constants.DYNAMIC_BARCODE_FORMAT_VERSION_2.equals(format)) {
+			
+			return DynamicFrameCoderV2.encode(getLevel2Data().getLevel1Data());
+			
+		}
+		
+		throw new EncodingFormatException("Dynamic Header Version not supported");
+
+	}
+	
+	@Override
+	public byte[] getLevel2DataBin() throws EncodingFormatException {
+		
+		if (Constants.DYNAMIC_BARCODE_FORMAT_VERSION_1.equals(format)) {
+			
+			return DynamicFrameCoderV1.encodeLevel2Data(getLevel2Data());
+			
+		} else if (Constants.DYNAMIC_BARCODE_FORMAT_VERSION_2.equals(format)) {
+			
+			return DynamicFrameCoderV2.encodeLevel2Data(getLevel2Data());
+			
+		}
+		
+		throw new EncodingFormatException("Dynamic Header Version not supported");
+
+	}
+
+
+
+	
+}