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])); } }