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Copy pathCAPublicKey.java
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118 lines (101 loc) · 3.71 KB
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/*
* Copyright 2010 sasc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package sasc.emv;
import sasc.iso7816.SmartCardException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;
import java.util.Locale;
import sasc.util.Log;
import sasc.util.Util;
/**
*
* @author sasc
*/
public class CAPublicKey {
private byte[] exponent = null;
private byte[] modulus = null;
private int index;
private String description;
private Date expirationDate;
private int hashAlgorithmIndicator;
private int publicKeyAlgorithmIndicator;
//A check value calculated on the concatenation of all parts of the
//Certification Authority Public Key:
//- RID
//- Certification Authority Public Key Index
//- Certification Authority Public Key Modulus
//- Certification Authority Public Key Exponent
//using SHA-1
private byte[] sha1CheckSum = null;
public CAPublicKey(int index, byte[] exponent, byte[] modulus, byte[] sha1CheckSum, int publicKeyAlgorithmIndicator, int hashAlgorithmIndicator, String description, Date expirationDate){
this.index = index;
this.exponent = exponent;
this.modulus = modulus;
this.sha1CheckSum = sha1CheckSum;
this.publicKeyAlgorithmIndicator = publicKeyAlgorithmIndicator;
this.hashAlgorithmIndicator = hashAlgorithmIndicator;
this.description = description;
this.expirationDate = expirationDate;
}
public int getIndex(){
return index;
}
public int getKeyLengthInBytes(){
return modulus.length;
}
public byte[] getExponent(){
return Util.copyByteArray(exponent);
}
public byte[] getModulus(){
return Util.copyByteArray(modulus);
}
public byte[] getCertificationAuthorityPublicKeyCheckSum(){
return Util.copyByteArray(sha1CheckSum);
}
public Date getExpirationDate(){
return (Date)expirationDate.clone();
}
public int getHashAlgorithmIndicator(){
return hashAlgorithmIndicator;
}
public int getPublicKeyAlgorithmIndicator(){
return publicKeyAlgorithmIndicator;
}
public String getDescription(){
return description;
}
@Override
public String toString() {
StringWriter sw = new StringWriter();
dump(new PrintWriter(sw), 0);
return sw.toString();
}
public void dump(PrintWriter pw, int indent) {
pw.println(Util.getSpaces(indent) + "CA Public Key");
String indentStr = Util.getSpaces(indent + Log.INDENT_SIZE);
pw.println(indentStr + "Size: "+getKeyLengthInBytes()*8+"-bit");
pw.println(indentStr + "Exponent:");
pw.println(indentStr + " " + Util.prettyPrintHex(Util.byteArrayToHexString(exponent), indent+Log.INDENT_SIZE*2));
pw.println(indentStr + "Modulus:");
pw.println(indentStr + " " + Util.prettyPrintHex(Util.byteArrayToHexString(modulus), indent+Log.INDENT_SIZE*2));
pw.println(indentStr + "Checksum:");
pw.println(indentStr + " " + Util.prettyPrintHex(Util.byteArrayToHexString(sha1CheckSum), indent+Log.INDENT_SIZE*2));
}
}