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package org.uic.barcode.test;
import static org.junit.Assert.assertEquals;
import java.io.IOException;
import java.math.BigInteger;
import org.junit.Test;
import org.uic.barcode.staticFrame.StaticFrame;
import org.uic.barcode.test.utils.TestUtils;
import org.uic.ticket.EncodingFormatException;
public class SignatureSplitTest {
/*
*
*
* World-Schema DEFINITIONS AUTOMATIC TAGS ::=
BEGIN
Signature ::= SEQUENCE OF INTEGER
END
value Signature ::= {
340282366920938463,
134515671861986
}
Encoding using DER encoding rule
Signature SEQUENCE OF: tag = [UNIVERSAL 16] constructed; length = 18
INTEGER: tag = [UNIVERSAL 2] primitive; length = 8
340282366920938463
INTEGER: tag = [UNIVERSAL 2] primitive; length = 6
134515671861986
Encoded successfully in 20 bytes: 30120208 04B8ED02 83A6D3DF 02067A57 5ED68AE2
*
*
*/
@Test public void testSplitSignature() throws IOException, EncodingFormatException{
BigInteger i1 = BigInteger.valueOf(340282366920938463L);
BigInteger i2 = BigInteger.valueOf(134515671861986L);
byte[] encoded = StaticFrame.encodeSignatureIntegerSequence(i1,i2);
String hex = TestUtils.hexStringFromBytes(encoded);
assertEquals(hex,"3012020804B8ED0283A6D3DF02067A575ED68AE2");
BigInteger[] ints = null;
try {
ints = StaticFrame.decodeSignatureIntegerSequence(encoded);
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
assert(ints != null);
assert(ints.length == 2);
assert(i1.equals(ints[0]));
assert(i2.equals(ints[1]));
}
}
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