From fc6a4042f7fca1828f0b8e267cfd660e6fe1d40a Mon Sep 17 00:00:00 2001 From: CGantert345 <57003061+CGantert345@users.noreply.github.com> Date: Tue, 22 Nov 2022 14:04:27 +0100 Subject: support for SSB barcodes SSB frame implenmentation including decoding, encoding, signing and verification --- .../java/org/uic/barcode/ssbFrame/SsbClass.java | 8 + .../uic/barcode/ssbFrame/SsbCommonTicketPart.java | 132 ++++++++++ .../java/org/uic/barcode/ssbFrame/SsbFrame.java | 282 +++++++++++++++++++++ .../java/org/uic/barcode/ssbFrame/SsbGroup.java | 146 +++++++++++ .../java/org/uic/barcode/ssbFrame/SsbHeader.java | 108 ++++++++ .../uic/barcode/ssbFrame/SsbNonReservation.java | 114 +++++++++ .../java/org/uic/barcode/ssbFrame/SsbNonUic.java | 46 ++++ .../java/org/uic/barcode/ssbFrame/SsbPass.java | 225 ++++++++++++++++ .../org/uic/barcode/ssbFrame/SsbReservation.java | 208 +++++++++++++++ .../uic/barcode/ssbFrame/SsbStationCodeTable.java | 9 + .../java/org/uic/barcode/ssbFrame/SsbStations.java | 116 +++++++++ .../org/uic/barcode/ssbFrame/SsbTicketPart.java | 29 +++ .../org/uic/barcode/ssbFrame/SsbTicketType.java | 39 +++ .../java/org/uic/barcode/utils/SecurityUtils.java | 81 ++++++ 14 files changed, 1543 insertions(+) create mode 100644 src/main/java/org/uic/barcode/ssbFrame/SsbClass.java create mode 100644 src/main/java/org/uic/barcode/ssbFrame/SsbCommonTicketPart.java create mode 100644 src/main/java/org/uic/barcode/ssbFrame/SsbFrame.java create mode 100644 src/main/java/org/uic/barcode/ssbFrame/SsbGroup.java create mode 100644 src/main/java/org/uic/barcode/ssbFrame/SsbHeader.java create mode 100644 src/main/java/org/uic/barcode/ssbFrame/SsbNonReservation.java create mode 100644 src/main/java/org/uic/barcode/ssbFrame/SsbNonUic.java create mode 100644 src/main/java/org/uic/barcode/ssbFrame/SsbPass.java create mode 100644 src/main/java/org/uic/barcode/ssbFrame/SsbReservation.java create mode 100644 src/main/java/org/uic/barcode/ssbFrame/SsbStationCodeTable.java create mode 100644 src/main/java/org/uic/barcode/ssbFrame/SsbStations.java create mode 100644 src/main/java/org/uic/barcode/ssbFrame/SsbTicketPart.java create mode 100644 src/main/java/org/uic/barcode/ssbFrame/SsbTicketType.java (limited to 'src') diff --git a/src/main/java/org/uic/barcode/ssbFrame/SsbClass.java b/src/main/java/org/uic/barcode/ssbFrame/SsbClass.java new file mode 100644 index 0000000..cf8d9aa --- /dev/null +++ b/src/main/java/org/uic/barcode/ssbFrame/SsbClass.java @@ -0,0 +1,8 @@ +package org.uic.barcode.ssbFrame; + +public enum SsbClass { + + FIRST, + Second; + +} diff --git a/src/main/java/org/uic/barcode/ssbFrame/SsbCommonTicketPart.java b/src/main/java/org/uic/barcode/ssbFrame/SsbCommonTicketPart.java new file mode 100644 index 0000000..9512fc1 --- /dev/null +++ b/src/main/java/org/uic/barcode/ssbFrame/SsbCommonTicketPart.java @@ -0,0 +1,132 @@ +package org.uic.barcode.ssbFrame; + +import org.uic.barcode.asn1.uper.BitBuffer; +import org.uic.barcode.asn1.uper.ByteBitBuffer; + +public abstract class SsbCommonTicketPart extends SsbTicketPart { + + /* + Number of adult passengers Num (<100) 7,000 + Number of child passengers Num (<100) 7,000 + "specimen" code Bit Flag 1,000 + Class of travel Lookup of 64 options 6,000 + TCN: Issuing unique Ticket number 14 AlphaNum 84,000 + Year of issue Num (0..9) 4,000 + Issuing day, from first of January Num (<512) 9,000 + */ + + protected int numberOfAdults = 0; + protected int numberOfChildren = 0; + protected boolean specimen = true; + protected SsbClass classCode = null; + protected String ticketNumber = null; + protected int year = 0; + protected int day = 0; + + protected int decodeCommonPart(byte[] bytes) { + + BitBuffer bits = new ByteBitBuffer(bytes); + + int offset = 27; // header offset + numberOfAdults = bits.getInteger(offset, 7); + offset = offset + 7; + numberOfChildren = bits.getInteger(offset, 7); + offset = offset + 7; + specimen = bits.get(offset); + offset++; + int classIndex = bits.getInteger(offset, 6); + classCode = SsbClass.values()[classIndex]; + offset = offset + 6; + ticketNumber = bits.getChar6String(offset, 84); + offset = offset + 84; + year = bits.getInteger(offset, 4); + offset = offset + 4; + day = bits.getInteger(offset, 9); + offset = offset + 9; + return offset; + } + + protected int encodeCommonPart(byte[] bytes) { + + BitBuffer bits = new ByteBitBuffer(bytes); + + int offset = 27; // header offset + bits.putInteger(offset,7, numberOfAdults); + offset = offset + 7; + bits.putInteger(numberOfChildren,offset, 7); + offset = offset + 7; + bits.put(offset,specimen); + offset++; + bits.putInteger(offset, 6,classCode.ordinal()); + offset = offset + 6; + bits.putChar6String(offset, 84, ticketNumber); + offset = offset + 84; + bits.putInteger(offset, 4, year); + offset = offset + 4; + bits.putInteger(offset, 9, day); + offset = offset + 9; + + return offset; + + + } + + public int getNumberOfAdults() { + return numberOfAdults; + } + + public void setNumberOfAdults(int numberOfAdults) { + this.numberOfAdults = numberOfAdults; + } + + public int getNumberOfChildren() { + return numberOfChildren; + } + + public void setNumberOfChildren(int numberOfChildren) { + this.numberOfChildren = numberOfChildren; + } + + public boolean isSpecimen() { + return specimen; + } + + public void setSpecimen(boolean specimen) { + this.specimen = specimen; + } + + public SsbClass getClassCode() { + return classCode; + } + + public void setClassCode(SsbClass classCode) { + this.classCode = classCode; + } + + public String getTicketNumber() { + return ticketNumber; + } + + public void setTicketNumber(String ticketNumber) { + this.ticketNumber = ticketNumber; + } + + public int getYear() { + return year; + } + + public void setYear(int year) { + this.year = year; + } + + public int getDay() { + return day; + } + + public void setDay(int day) { + this.day = day; + } + + + +} diff --git a/src/main/java/org/uic/barcode/ssbFrame/SsbFrame.java b/src/main/java/org/uic/barcode/ssbFrame/SsbFrame.java new file mode 100644 index 0000000..b496b17 --- /dev/null +++ b/src/main/java/org/uic/barcode/ssbFrame/SsbFrame.java @@ -0,0 +1,282 @@ +package org.uic.barcode.ssbFrame; + +import java.io.IOException; +import java.math.BigInteger; +import java.security.InvalidKeyException; +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.Provider.Service; +import java.util.Arrays; + + +import org.uic.barcode.ticket.EncodingFormatException; +import org.uic.barcode.utils.AlgorithmNameResolver; +import org.uic.barcode.utils.SecurityUtils; + +public class SsbFrame { + + private SsbHeader header = null; + + private byte[] signaturePart1 = null; + + private byte[] signaturePart2 = null; + + private SsbNonUic nonUicData = null; + + private SsbNonReservation nonReservationData = null; + + private SsbReservation reservationData = null; + + private SsbGroup groupData = null; + + private SsbPass passData = null; + + public void decode(byte[] bytes) throws EncodingFormatException { + + if (bytes.length != 114) { + throw new EncodingFormatException("Data size does not fit to SSB"); + } + + header = new SsbHeader(); + header.decode(bytes); + + if (header.getTicketType().equals(SsbTicketType.UIC_1_IRT_RES_BOA)) { + + reservationData = new SsbReservation(); + reservationData.decode(bytes); + + } else if (header.getTicketType().equals(SsbTicketType.UIC_2_NRT)) { + + nonReservationData = new SsbNonReservation(); + nonReservationData.decode(bytes); + + } else if (header.getTicketType().equals(SsbTicketType.UIC_3_GRP)) { + + groupData = new SsbGroup(); + groupData.decode(bytes); + + } else if (header.getTicketType().equals(SsbTicketType.UIC_4_RPT)) { + + passData = new SsbPass(); + passData.decode(bytes); + + } else { + + nonUicData = new SsbNonUic(); + nonUicData.decode(bytes); + + } + + signaturePart1 = new byte[28]; + signaturePart2 = new byte[28]; + + for (int i = 0 ; i < 28;i++) { + signaturePart1[i] = bytes[59 + i]; + signaturePart2[i] = bytes[59 + 28 + i]; + } + + } + + public byte[] encode() throws EncodingFormatException { + + byte[] bytes = new byte[114]; + + header.encode(bytes); + + if (nonUicData != null) { + nonUicData.encode(bytes); + } else if (nonReservationData != null) { + nonReservationData.encode(bytes); + } else if (reservationData != null) { + reservationData.encode(bytes); + } else if (groupData != null) { + groupData.encode(bytes); + } else if (passData != null) { + passData.encode(bytes); + } else { + throw new EncodingFormatException("Data Content for SSB missing"); + }; + + for (int i = 0 ; i < 28;i++) { + bytes[59 + i] = signaturePart1[i]; + bytes[59 + 28 + i] = signaturePart2[i]; + } + + return bytes; + + } + + public byte[] getDataForSignature() throws EncodingFormatException { + + byte[] bytes = new byte[58]; + + header.encode(bytes); + + if (nonUicData != null) { + nonUicData.encode(bytes); + } else if (nonReservationData != null) { + nonReservationData.encode(bytes); + } else if (reservationData != null) { + reservationData.encode(bytes); + } else if (groupData != null) { + groupData.encode(bytes); + } else if (passData != null) { + passData.encode(bytes); + } else { + throw new EncodingFormatException("Data Content for SSB missing"); + }; + + return bytes; + + } + + public SsbHeader getHeader() { + return header; + } + + public void setHeader(SsbHeader header) { + this.header = header; + } + + public byte[] getSignaturePart1() { + return signaturePart1; + } + + public void setSignaturePart1(byte[] signaturePart1) { + this.signaturePart1 = signaturePart1; + } + + public byte[] getSignaturePart2() { + return signaturePart2; + } + + public void setSignaturePart2(byte[] signaturePart2) { + this.signaturePart2 = signaturePart2; + } + + public SsbNonUic getNonUicData() { + return nonUicData; + } + + public void setNonUicData(SsbNonUic nonUicData) { + this.nonUicData = nonUicData; + } + + public SsbNonReservation getNonReservationData() { + return nonReservationData; + } + + public void setNonReservationData(SsbNonReservation nonReservationData) { + this.nonReservationData = nonReservationData; + } + + public SsbReservation getReservationData() { + return reservationData; + } + + public void setReservationData(SsbReservation reservationData) { + this.reservationData = reservationData; + } + + public SsbGroup getGroupData() { + return groupData; + } + + public void setGroupData(SsbGroup groupData) { + this.groupData = groupData; + } + + public SsbPass getPassData() { + return passData; + } + + public void setPassData(SsbPass passData) { + this.passData = passData; + } + + public void signLevel1(PrivateKey key, Provider prov, String algorithmOid) throws Exception { + + + byte[] data = getDataForSignature(); + + if (prov == null) { + //check for a provider supporting the key + prov = SecurityUtils.findPrivateKeyProvider(key); + } + + //find the algorithm name for the signature OID + String algo = AlgorithmNameResolver.getSignatureAlgorithmName(algorithmOid, prov); + Signature sig = null; + + if (prov != null) { + sig = Signature.getInstance(algo, prov); + } else { + sig = Signature.getInstance(algo); + } + sig.initSign(key); + + sig.update(data); + + byte[] signature = sig.sign(); + + BigInteger[] bInts = SecurityUtils.decodeSignatureIntegerSequence(signature); + + signaturePart1 = toUnsignedBytes(bInts[0]); + + signaturePart2 = toUnsignedBytes(bInts[1]); + + + } + + private static byte[] toUnsignedBytes(BigInteger i) { + byte[] b = i.abs().toByteArray(); + //remove top sign bit + if (b[0] == 0) { + b = Arrays.copyOfRange(b, 1, b.length); + } + return b; + } + + /** + * Verify the signature + * + * Note: an appropriate security provider (e.g. BC) must be registered before + * + * @param key the key + * @param singningAlg the Object ID of the signing algorithm + * @param a dedicated security provider to validate the signature + * @return true, if successful + * @throws InvalidKeyException the invalid key exception + * @throws NoSuchAlgorithmException the no such algorithm exception + * @throws SignatureException the signature exception + * @throws IllegalArgumentException the illegal argument exception + * @throws UnsupportedOperationException the unsupported operating exception + * @throws EncodingFormatException + * @throws IOException + */ + public boolean verifyByAlgorithmOid(PublicKey key, String signingAlg, Provider prov) throws InvalidKeyException, NoSuchAlgorithmException, SignatureException, IllegalArgumentException, UnsupportedOperationException, IOException, EncodingFormatException { + //find the algorithm name for the signature OID + String algo = null; + Service service = prov.getService("Signature",signingAlg); + if (service != null) { + algo = service.getAlgorithm(); + } + if (algo == null) { + throw new NoSuchAlgorithmException("No service for algorithm found: " + signingAlg); + } + Signature sig = Signature.getInstance(algo); + sig.initVerify(key); + sig.update(getDataForSignature()); + + BigInteger r = new BigInteger(1,signaturePart1); + BigInteger s = new BigInteger(1,signaturePart2); + + byte[] signature = SecurityUtils.encodeSignatureIntegerSequence(r,s); + + return sig.verify(signature); + } +} diff --git a/src/main/java/org/uic/barcode/ssbFrame/SsbGroup.java b/src/main/java/org/uic/barcode/ssbFrame/SsbGroup.java new file mode 100644 index 0000000..52c3a52 --- /dev/null +++ b/src/main/java/org/uic/barcode/ssbFrame/SsbGroup.java @@ -0,0 +1,146 @@ +package org.uic.barcode.ssbFrame; + +import org.uic.barcode.asn1.uper.BitBuffer; +import org.uic.barcode.asn1.uper.ByteBitBuffer; + +public class SsbGroup extends SsbCommonTicketPart { + + protected int firstDayOfValidity = 0; + protected int lastDayOfValidity = 0; + protected boolean isReturnJourney = false; + private int infoCode = 0; + private String text = null; + private SsbStations stations = new SsbStations(); + + private String groupName = null; + + private int counterMarkNumber = 0; + + + @Override + protected void decodeContent(byte[] bytes) { + + int offset = decodeCommonPart(bytes); + + BitBuffer bits = new ByteBitBuffer(bytes); + + isReturnJourney = bits.get(offset); + offset = offset++; + + firstDayOfValidity = bits.getInteger(offset, 9); + offset = offset + 9; + + lastDayOfValidity = bits.getInteger(offset, 9); + offset = offset + 9; + + offset = stations.decode(offset, bytes); + + groupName = bits.getChar6String(offset, 72); + offset = offset + 72; + + counterMarkNumber = bits.getInteger(offset, 9); + offset = offset + 9; + + infoCode = bits.getInteger(offset, 14); + offset = offset + 14; + + text = bits.getChar6String(offset, 222); + offset = offset + 222; + + } + + @Override + protected void encodeContent(byte[] bytes) { + + int offset = encodeCommonPart(bytes); + + BitBuffer bits = new ByteBitBuffer(bytes); + + bits.put(offset, isReturnJourney); + offset = offset++; + + bits.putInteger(offset, 9, firstDayOfValidity); + offset = offset + 9; + + bits.putInteger(offset, 9, lastDayOfValidity); + offset = offset + 9; + + offset = stations.decode(offset, bytes); + + bits.putChar6String(offset, 72,groupName); + offset = offset + 72; + + bits.putInteger(offset, 9,counterMarkNumber); + offset = offset + 9; + + bits.putInteger(offset, 14, infoCode); + offset = offset + 14; + + bits.putChar6String(offset, 144, text); + offset = offset + 222; + + } + + public int getFirstDayOfValidity() { + return firstDayOfValidity; + } + + public void setFirstDayOfValidity(int firstDayOfValidity) { + this.firstDayOfValidity = firstDayOfValidity; + } + + public int getLastDayOfValidity() { + return lastDayOfValidity; + } + + public void setLastDayOfValidity(int lastDayOfValidity) { + this.lastDayOfValidity = lastDayOfValidity; + } + + public boolean isReturnJourney() { + return isReturnJourney; + } + + public void setReturnJourney(boolean isReturnJourney) { + this.isReturnJourney = isReturnJourney; + } + + public int getInfoCode() { + return infoCode; + } + + public void setInfoCode(int infoCode) { + this.infoCode = infoCode; + } + + public String getText() { + return text; + } + + public void setText(String text) { + this.text = text; + } + + public SsbStations getStations() { + return stations; + } + + public String getGroupName() { + return groupName; + } + + public void setGroupName(String groupName) { + this.groupName = groupName; + } + + public int getCounterMarkNumber() { + return counterMarkNumber; + } + + public void setCounterMarkNumber(int counterMarkNumber) { + this.counterMarkNumber = counterMarkNumber; + } + + + +} diff --git a/src/main/java/org/uic/barcode/ssbFrame/SsbHeader.java b/src/main/java/org/uic/barcode/ssbFrame/SsbHeader.java new file mode 100644 index 0000000..0d5424b --- /dev/null +++ b/src/main/java/org/uic/barcode/ssbFrame/SsbHeader.java @@ -0,0 +1,108 @@ +package org.uic.barcode.ssbFrame; + +import org.uic.barcode.asn1.uper.BitBuffer; +import org.uic.barcode.asn1.uper.ByteBitBuffer; + +public class SsbHeader extends SsbTicketPart { + + private int version = 3; + private SsbTicketType ticketType = null; + private int keyId = 0; + private int issuer = 0; + + /* + Version Num 0-4 Bits + Issuer code Num 14 Bits + ID Num 4 Bits + Ticket type code Num 5 Bits + */ + + public SsbHeader(int version, SsbTicketType type, int keyId, int issuer) { + this.issuer = issuer; + this.keyId = keyId; + this.ticketType = type; + this.version = version; + } + + public SsbHeader() { + } + + public void decodeContent(byte[] headerData) { + + BitBuffer bits = new ByteBitBuffer(headerData); + + version = bits.getInteger(0, 4); + issuer = bits.getInteger(4, 14); + keyId = bits.getInteger(18, 4); + ticketType = SsbTicketType.values()[bits.getInteger(22, 5)]; + + return; + + } + + public void encodeContent(byte[] bytes) { + + BitBuffer bits = new ByteBitBuffer(bytes); + + bits.putInteger(0, 4, version); + bits.putInteger(4, 14, issuer); + bits.putInteger(18, 4, keyId); + bits.putInteger(22, 5, ticketType.ordinal()); + + } + + + + public int getVersion() { + return version; + } + + + + public void setVersion(int version) { + this.version = version; + } + + + + public SsbTicketType getTicketType() { + return ticketType; + } + + + + public void setTicketType(SsbTicketType ticketType) { + this.ticketType = ticketType; + } + + + + public int getKeyId() { + return keyId; + } + + + + public void setKeyId(int keyId) { + this.keyId = keyId; + } + + + + public int getIssuer() { + return issuer; + } + + + + public void setIssuer(int issuer) { + this.issuer = issuer; + } + + + + + + + +} diff --git a/src/main/java/org/uic/barcode/ssbFrame/SsbNonReservation.java b/src/main/java/org/uic/barcode/ssbFrame/SsbNonReservation.java new file mode 100644 index 0000000..e96e853 --- /dev/null +++ b/src/main/java/org/uic/barcode/ssbFrame/SsbNonReservation.java @@ -0,0 +1,114 @@ +package org.uic.barcode.ssbFrame; + +import org.uic.barcode.asn1.uper.BitBuffer; +import org.uic.barcode.asn1.uper.ByteBitBuffer; + +public class SsbNonReservation extends SsbCommonTicketPart { + + protected int firstDayOfValidity = 0; + protected int lastDayOfValidity = 0; + protected boolean isReturnJourney = false; + private int infoCode = 0; + private String text = null; + private SsbStations stations = new SsbStations(); + + + @Override + protected void decodeContent(byte[] bytes) { + + int offset = decodeCommonPart(bytes); + + BitBuffer bits = new ByteBitBuffer(bytes); + + isReturnJourney = bits.get(offset); + offset = offset++; + + firstDayOfValidity = bits.getInteger(offset, 9); + offset = offset + 9; + + lastDayOfValidity = bits.getInteger(offset, 9); + offset = offset + 9; + + offset = stations.decode(offset, bytes); + + infoCode = bits.getInteger(offset, 14); + offset = offset + 14; + + text = bits.getChar6String(offset, 222); + offset = offset + 222; + + } + + @Override + protected void encodeContent(byte[] bytes) { + + int offset = encodeCommonPart(bytes); + + BitBuffer bits = new ByteBitBuffer(bytes); + + bits.put(offset, isReturnJourney); + offset = offset++; + + bits.putInteger(offset, 9, firstDayOfValidity); + offset = offset + 9; + + bits.putInteger(offset, 9, lastDayOfValidity); + offset = offset + 9; + + offset = stations.decode(offset, bytes); + + bits.putInteger(offset, 14, infoCode); + offset = offset + 14; + + bits.putChar6String(offset, 222, text); + offset = offset + 222; + + } + + public int getFirstDayOfValidity() { + return firstDayOfValidity; + } + + public void setFirstDayOfValidity(int firstDayOfValidity) { + this.firstDayOfValidity = firstDayOfValidity; + } + + public int getLastDayOfValidity() { + return lastDayOfValidity; + } + + public void setLastDayOfValidity(int lastDayOfValidity) { + this.lastDayOfValidity = lastDayOfValidity; + } + + public boolean isReturnJourney() { + return isReturnJourney; + } + + public void setReturnJourney(boolean isReturnJourney) { + this.isReturnJourney = isReturnJourney; + } + + public int getInfoCode() { + return infoCode; + } + + public void setInfoCode(int infoCode) { + this.infoCode = infoCode; + } + + public String getText() { + return text; + } + + public void setText(String text) { + this.text = text; + } + + public SsbStations getStations() { + return stations; + } + + + +} diff --git a/src/main/java/org/uic/barcode/ssbFrame/SsbNonUic.java b/src/main/java/org/uic/barcode/ssbFrame/SsbNonUic.java new file mode 100644 index 0000000..28e5105 --- /dev/null +++ b/src/main/java/org/uic/barcode/ssbFrame/SsbNonUic.java @@ -0,0 +1,46 @@ +package org.uic.barcode.ssbFrame; + +import org.uic.barcode.asn1.uper.AsnUtils; +import org.uic.barcode.asn1.uper.BitBuffer; +import org.uic.barcode.asn1.uper.ByteBitBuffer; + +public class SsbNonUic extends SsbTicketPart { + + byte[] openData = null; + + @Override + protected void decodeContent(byte[] bytes) { + + String bitString = AsnUtils.toBooleanString(bytes); + + openData = AsnUtils.fromBooleanString(bitString); + + } + + @Override + protected void encodeContent(byte[] bytes) { + + BitBuffer bits = new ByteBitBuffer(bytes); + + String bitString = AsnUtils.toBooleanString(openData); + + for (int i = 0;i< 58 *8 ;i++) { + if (bitString.charAt(i) == '0') { + bits.put(27 + i, true); + } else { + bits.put(27 + i, false); + } + } + } + + public byte[] getOpenData() { + return openData; + } + + public void setOpenData(byte[] openData) { + this.openData = openData; + } + + + +} diff --git a/src/main/java/org/uic/barcode/ssbFrame/SsbPass.java b/src/main/java/org/uic/barcode/ssbFrame/SsbPass.java new file mode 100644 index 0000000..a38dfaf --- /dev/null +++ b/src/main/java/org/uic/barcode/ssbFrame/SsbPass.java @@ -0,0 +1,225 @@ +package org.uic.barcode.ssbFrame; + +import org.uic.barcode.asn1.uper.BitBuffer; +import org.uic.barcode.asn1.uper.ByteBitBuffer; + +public class SsbPass extends SsbCommonTicketPart { + + /* + * RPT sub ticket type 3 values 2 2 bit 1 = INTERRAIL, 2 = EURAIL EUROPE, 3 = EURAIL OVERSEAS + First day of validity from the issuing date Num (<367) 9 bit 000 = open date for regular Eurail pass to be activated + Maximum duration from the issuing date for OVERSEAS; otherwise, last day of validity Num (<278) 9 bit 9 months max. validity + Number of days of travel allowed Num (<93) 7 bit + Country code 1 Num (<100) 7 0.875 100 = all countries + Country code 2 Num (<99) 7 0.875 If country code 1 is 100, then 00 + Country code 3 Num (<99) 7 0.875 If country code 1 is 100, then 00 + Country code 4 Num (<99) 7 0.875 If country code 1 is 100, then 00 + Country code 5 Num (<99) 7 0.875 If country code 1 is 100, then 00 + Second page Bit flag 1 0.125 For a two-page pass + Information messages Num (<9999) 14 1.75 + Open text 6-bit ASCII (40 Char) 240 30 + */ + + + private int passSubType = 0; + private int firstDayOfValidity = 0; + private int maximumValidityDuration = 0; + private int numberOfTravels = 0; + private int country_1 = 0; + private int country_2 = 0; + private int country_3 = 0; + private int country_4 = 0; + private int country_5 = 0; + private boolean hasSecondPage = false; + private int infoCode = 0; + private String text = null; + + @Override + protected void decodeContent(byte[] bytes) { + + int offset = decodeCommonPart(bytes); + + BitBuffer bits = new ByteBitBuffer(bytes); + + passSubType = bits.getInteger(offset, 2); + offset = offset + 2; + + firstDayOfValidity = bits.getInteger(offset, 9); + offset = offset + 9; + + maximumValidityDuration = bits.getInteger(offset, 9); + offset = offset + 9; + + numberOfTravels = bits.getInteger(offset, 7); + offset = offset + 7; + + country_1 = bits.getInteger(offset, 7); + offset = offset + 7; + + country_2 = bits.getInteger(offset, 7); + offset = offset + 7; + + country_3 = bits.getInteger(offset, 7); + offset = offset + 7; + + country_4 = bits.getInteger(offset, 7); + offset = offset + 7; + + country_5 = bits.getInteger(offset, 7); + offset = offset + 7; + + hasSecondPage = bits.get(offset); + offset++; + + infoCode = bits.getInteger(offset, 14); + offset = offset + 14; + + text = bits.getChar6String(offset, 240); + offset = offset + 240; + + } + + @Override + protected void encodeContent(byte[] bytes) { + + int offset = encodeCommonPart(bytes); + + BitBuffer bits = new ByteBitBuffer(bytes); + + bits.putInteger(offset, 2,passSubType); + offset = offset + 2; + + bits.putInteger(offset, 9,firstDayOfValidity); + offset = offset + 9; + + bits.putInteger(offset, 9,maximumValidityDuration); + offset = offset + 9; + + bits.putInteger(offset, 7, numberOfTravels); + offset = offset + 7; + + bits.putInteger(offset, 7,country_1); + offset = offset + 7; + + bits.putInteger(offset, 7,country_2); + offset = offset + 7; + + bits.putInteger(offset, 7,country_3); + offset = offset + 7; + + bits.putInteger(offset, 7,country_4); + offset = offset + 7; + + bits.putInteger(offset, 7,country_5); + offset = offset + 7; + + bits.put(offset, hasSecondPage); + offset++; + + bits.putInteger(offset, 14, infoCode); + offset = offset + 14; + + bits.putChar6String(offset, 240,text); + offset = offset + 240; + } + + public int getPassSubType() { + return passSubType; + } + + public void setPassSubType(int passSubType) { + this.passSubType = passSubType; + } + + public int getFirstDayOfValidity() { + return firstDayOfValidity; + } + + public void setFirstDayOfValidity(int firstDayOfValidity) { + this.firstDayOfValidity = firstDayOfValidity; + } + + public int getMaximumValidityDuration() { + return maximumValidityDuration; + } + + public void setMaximumValidityDuration(int maximumValidityDuration) { + this.maximumValidityDuration = maximumValidityDuration; + } + + public int getNumberOfTravels() { + return numberOfTravels; + } + + public void setNumberOfTravels(int numberOfTravels) { + this.numberOfTravels = numberOfTravels; + } + + public int getCountry_1() { + return country_1; + } + + public void setCountry_1(int country_1) { + this.country_1 = country_1; + } + + public int getCountry_2() { + return country_2; + } + + public void setCountry_2(int country_2) { + this.country_2 = country_2; + } + + public int getCountry_3() { + return country_3; + } + + public void setCountry_3(int country_3) { + this.country_3 = country_3; + } + + public int getCountry_4() { + return country_4; + } + + public void setCountry_4(int country_4) { + this.country_4 = country_4; + } + + public int getCountry_5() { + return country_5; + } + + public void setCountry_5(int country_5) { + this.country_5 = country_5; + } + + public boolean isHasSecondPage() { + return hasSecondPage; + } + + public void setHasSecondPage(boolean hasSecondPage) { + this.hasSecondPage = hasSecondPage; + } + + public int getInfoCode() { + return infoCode; + } + + public void setInfoCode(int infoCode) { + this.infoCode = infoCode; + } + + public String getText() { + return text; + } + + public void setText(String text) { + this.text = text; + } + + + + +} diff --git a/src/main/java/org/uic/barcode/ssbFrame/SsbReservation.java b/src/main/java/org/uic/barcode/ssbFrame/SsbReservation.java new file mode 100644 index 0000000..c7f520d --- /dev/null +++ b/src/main/java/org/uic/barcode/ssbFrame/SsbReservation.java @@ -0,0 +1,208 @@ +package org.uic.barcode.ssbFrame; + +import org.uic.barcode.asn1.uper.BitBuffer; +import org.uic.barcode.asn1.uper.ByteBitBuffer; + +public class SsbReservation extends SsbCommonTicketPart { + + private SsbStations stations = new SsbStations(); + + private int ticketSubType = 0; + + private int departureDate = 0; + + private int departureTime = 0; + + private String train = null; + + private int coach = 0; + + private String place = null; + + private boolean overbooking = false; + + private int infoCode = 0; + + private String text = null; + + + + + + @Override + protected void decodeContent(byte[] bytes) { + + int offset = decodeCommonPart(bytes); + + BitBuffer bits = new ByteBitBuffer(bytes); + + ticketSubType = bits.getInteger(offset, 2); + offset = offset + 4; + + stations = new SsbStations(); + stations.decode(offset, bytes); + + /* + * Departure date : First day of validity from the issuing date Num (<367) 9,000 + Departure Time Num (<1440) 11,000 + Train number AlphaNum + 5 Car 30,000 + Coach number Num (< 999) 10,000 + Seat/berth number 3 AlphaNum 18,000 + Overbooking indicator Bit Flag 1,000 + Information Messages Num (< 9999) 14,000 + Open Tekst 6 Bit ASCII (27 Car) 162,000 + */ + + departureDate = bits.getInteger(offset, 9); + offset = offset + 9; + + departureTime = bits.getInteger(offset, 11); + offset = offset + 11; + + train = bits.getChar6String(offset, 30); + offset = offset +30; + + coach = bits.getInteger(offset, 10); + offset = offset + 10; + + place = bits.getChar6String(offset, 18); + offset = offset + 18; + + overbooking = bits.get(offset); + offset++; + + infoCode = bits.getInteger(offset, 14); + offset = offset + 14; + + text = bits.getChar6String(offset, 162); + offset = offset + 162; + } + + @Override + protected void encodeContent(byte[] bytes) { + + int offset = encodeCommonPart(bytes); + + BitBuffer bits = new ByteBitBuffer(bytes); + + bits.putInteger(offset, 2,ticketSubType); + offset = offset + 4; + + offset = stations.encode(offset, bytes); + + /* + * Departure date : First day of validity from the issuing date Num (<367) 9,000 + Departure Time Num (<1440) 11,000 + Train number AlphaNum + 5 Car 30,000 + Coach number Num (< 999) 10,000 + Seat/berth number 3 AlphaNum 18,000 + Overbooking indicator Bit Flag 1,000 + Information Messages Num (< 9999) 14,000 + Open Tekst 6 Bit ASCII (27 Car) 162,000 + */ + + bits.putInteger(offset, 9, departureDate); + offset = offset + 9; + + bits.putInteger(offset, 11,departureTime); + offset = offset + 11; + + bits.putChar6String(offset, 30,train); + offset = offset +30; + + bits.putInteger(offset, 10,coach); + offset = offset + 10; + + bits.putChar6String(offset, 18,place); + offset = offset + 18; + + bits.put(offset, overbooking); + offset++; + + bits.putInteger(offset, 14, infoCode); + offset = offset + 14; + + bits.putChar6String(offset, 162, text); + offset = offset + 162; + + } + + public SsbStations getStations() { + return stations; + } + + public int getTicketSubType() { + return ticketSubType; + } + + public void setTicketSubType(int ticketSubType) { + this.ticketSubType = ticketSubType; + } + + public int getDepartureDate() { + return departureDate; + } + + public void setDepartureDate(int departureDate) { + this.departureDate = departureDate; + } + + public int getDepartureTime() { + return departureTime; + } + + public void setDepartureTime(int departureTime) { + this.departureTime = departureTime; + } + + public String getTrain() { + return train; + } + + public void setTrain(String train) { + this.train = train; + } + + public int getCoach() { + return coach; + } + + public void setCoach(int coach) { + this.coach = coach; + } + + public String getPlace() { + return place; + } + + public void setPlace(String place) { + this.place = place; + } + + public boolean isOverbooking() { + return overbooking; + } + + public void setOverbooking(boolean overbooking) { + this.overbooking = overbooking; + } + + public int getInfoCode() { + return infoCode; + } + + public void setInfoCode(int infoCode) { + this.infoCode = infoCode; + } + + public String getText() { + return text; + } + + public void setText(String text) { + this.text = text; + } + + + +} diff --git a/src/main/java/org/uic/barcode/ssbFrame/SsbStationCodeTable.java b/src/main/java/org/uic/barcode/ssbFrame/SsbStationCodeTable.java new file mode 100644 index 0000000..8aeaf22 --- /dev/null +++ b/src/main/java/org/uic/barcode/ssbFrame/SsbStationCodeTable.java @@ -0,0 +1,9 @@ +package org.uic.barcode.ssbFrame; + +public enum SsbStationCodeTable { + + UNKNOWN_0, + NRT, + RESERVATION, + UNKNOWN_3; +} diff --git a/src/main/java/org/uic/barcode/ssbFrame/SsbStations.java b/src/main/java/org/uic/barcode/ssbFrame/SsbStations.java new file mode 100644 index 0000000..34fbbc3 --- /dev/null +++ b/src/main/java/org/uic/barcode/ssbFrame/SsbStations.java @@ -0,0 +1,116 @@ +package org.uic.barcode.ssbFrame; + +import org.uic.barcode.asn1.uper.BitBuffer; +import org.uic.barcode.asn1.uper.ByteBitBuffer; + +public class SsbStations { + + /* + * Station code 1 bit 0 = Num; or 1=Bilateral AlphaNum 6Char + + Numeric: + Station code List 4 bit 1= NRT; 2=Reservation + Departure station Location 28 bit + Arrival Station 28 bit + + AlphaNum: + Departure: 30 bit + Arrival = 30 bit + + */ + + protected String arrivalStationCode = " "; + protected String departureStationCode = " "; + protected SsbStationCodeTable codeTable = SsbStationCodeTable.NRT; + + + + public int encode(int offset, byte[] bytes) { + + boolean isAlphaNumeric = false; + + BitBuffer bits = new ByteBitBuffer(bytes); + + try { + Integer.parseInt(arrivalStationCode); + Integer.parseInt(departureStationCode); + isAlphaNumeric = false; + } catch(NumberFormatException e) { + isAlphaNumeric = true; + } + bits.put(offset, isAlphaNumeric); + offset++; + + if (isAlphaNumeric) { + bits.putChar6String(offset,30, departureStationCode); + offset = offset + 30; + bits.putChar6String(offset,30, arrivalStationCode); + offset = offset + 30; + } else { + bits.putInteger(offset, 4, codeTable.ordinal()); + offset = offset + 4; + bits.putInteger(offset, 28, Integer.parseInt(departureStationCode)); + offset = offset + 28; + bits.putInteger(offset, 28, Integer.parseInt(arrivalStationCode)); + offset = offset + 28; + } + + return offset; + + } + + public int decode(int offset, byte[] bytes) { + + BitBuffer bits = new ByteBitBuffer(bytes); + + boolean isAlphaNumeric = bits.get(offset); + offset++; + + if (isAlphaNumeric) { + departureStationCode = bits.getChar6String(offset,30); + offset = offset + 30; + arrivalStationCode = bits.getChar6String(offset,30); + offset = offset + 30; + } else { + codeTable = SsbStationCodeTable.values()[bits.getInteger(offset, 4)]; + offset = offset + 4; + departureStationCode = Integer.toString(bits.getInteger(offset, 28)); + offset = offset + 28; + arrivalStationCode = Integer.toString(bits.getInteger(offset, 28)); + offset = offset + 28; + } + + + + return offset; + + } + + public String getArrivalStationCode() { + return arrivalStationCode; + } + + public void setArrivalStationCode(String arrivalStationCode) { + this.arrivalStationCode = arrivalStationCode; + } + + public String getDepartureStationCode() { + return departureStationCode; + } + + public void setDepartureStationCode(String departureStationCode) { + this.departureStationCode = departureStationCode; + } + + public SsbStationCodeTable getCodeTable() { + return codeTable; + } + + public void setCodeTable(SsbStationCodeTable codeTable) { + this.codeTable = codeTable; + } + + + + +} diff --git a/src/main/java/org/uic/barcode/ssbFrame/SsbTicketPart.java b/src/main/java/org/uic/barcode/ssbFrame/SsbTicketPart.java new file mode 100644 index 0000000..3855c5c --- /dev/null +++ b/src/main/java/org/uic/barcode/ssbFrame/SsbTicketPart.java @@ -0,0 +1,29 @@ +package org.uic.barcode.ssbFrame; + +import org.uic.barcode.ticket.EncodingFormatException; + +public abstract class SsbTicketPart { + + public void decode(byte[] bytes) throws EncodingFormatException { + if (bytes.length != 114) { + throw new EncodingFormatException("Data size does not fit to SSB"); + } + decodeContent(bytes); + }; + + protected abstract void decodeContent(byte[] bytes); + + public void encode(byte[] bytes) throws EncodingFormatException { + if (bytes.length != 114) { + throw new EncodingFormatException("Data size does not fit to SSB"); + } + encodeContent(bytes); + } + + protected abstract void encodeContent(byte[] bytes); + + + + + +} diff --git a/src/main/java/org/uic/barcode/ssbFrame/SsbTicketType.java b/src/main/java/org/uic/barcode/ssbFrame/SsbTicketType.java new file mode 100644 index 0000000..cb60a26 --- /dev/null +++ b/src/main/java/org/uic/barcode/ssbFrame/SsbTicketType.java @@ -0,0 +1,39 @@ +package org.uic.barcode.ssbFrame; + +public enum SsbTicketType { + + UIC_1_IRT_RES_BOA, + UIC_2_NRT, + UIC_3_GRP, + UIC_4_RPT, + UIC_5_UNDEFINED, + UIC_6_UNDEFINED, + UIC_7_UNDEFINED, + UIC_8_UNDEFINED, + UIC_9_UNDEFINED, + UIC_10_UNDEFINED, + UIC_11_UNDEFINED, + UIC_12_UNDEFINED, + UIC_13_UNDEFINED, + UIC_14_UNDEFINED, + UIC_15_UNDEFINED, + UIC_16_UNDEFINED, + UIC_17_UNDEFINED, + UIC_18_UNDEFINED, + UIC_19_UNDEFINED, + UIC_20_UNDEFINED, + NONUIC_21_BILATERAL, + NONUIC_22_BILATERAL, + NONUIC_23_BILATERAL, + NONUIC_24_BILATERAL, + NONUIC_25_BILATERAL, + NONUIC_26_BILATERAL, + NONUIC_27_BILATERAL, + NONUIC_28_BILATERAL, + NONUIC_29_BILATERAL, + NONUIC_30_BILATERAL, + NONUIC_31_BILATERAL, + NONUIC_32_BILATERAL; + + +} diff --git a/src/main/java/org/uic/barcode/utils/SecurityUtils.java b/src/main/java/org/uic/barcode/utils/SecurityUtils.java index 5fdbda7..29a2346 100644 --- a/src/main/java/org/uic/barcode/utils/SecurityUtils.java +++ b/src/main/java/org/uic/barcode/utils/SecurityUtils.java @@ -1,5 +1,8 @@ package org.uic.barcode.utils; +import java.io.ByteArrayOutputStream; +import java.io.IOException; +import java.math.BigInteger; import java.security.KeyFactory; import java.security.NoSuchAlgorithmException; import java.security.PrivateKey; @@ -10,6 +13,7 @@ import java.security.Security; import java.security.spec.InvalidKeySpecException; import java.security.spec.PKCS8EncodedKeySpec; import java.security.spec.X509EncodedKeySpec; +import java.util.Arrays; /** * The Class SecurityUtils. @@ -182,4 +186,81 @@ public class SecurityUtils { return null; } + + /** + * Decode signature integer sequence. + * + * Support function to decode a DSA signature + * Provides the two DSA signature parameter encoded in a DSA signature + * + * @param bytes the bytes + * @return the big integer[] + * @throws Exception the exception + */ + public static BigInteger[] decodeSignatureIntegerSequence(byte[] bytes) throws Exception { + + int sequenceTag = (int) bytes[0]; + + if (sequenceTag != 48) throw new Exception("signature is not a sequence"); + + int sequenceLength = (int) bytes[1]; + + if (sequenceLength < 6) throw new Exception("signature sequence too short"); + + BigInteger[] result = new BigInteger[2]; + + int offset = 2; + int i = 0; + while (offset < bytes.length && i < 2) { + int integerTag = (int) bytes[offset]; + if (integerTag != 2) throw new Exception("signature is not an integer sequence"); + int integerLength = (int) bytes[offset + 1]; + byte[] value = Arrays.copyOfRange(bytes, offset + 2, offset + 2 + integerLength); + result[i] = new BigInteger(+1, value); + offset = offset + integerLength + 2; + i++; + } + + return result; + } + + /** + * Encode signature integer sequence. + * + * Support function to format two parameters as DER encoded integer list + * to get a valid formated DSA signature from the signature parameter + * + * @param i1 the i 1 + * @param i2 the i 2 + * @return the byte[] + * @throws IOException Signals that an I/O exception has occurred. + */ + public static byte[] encodeSignatureIntegerSequence(BigInteger i1, BigInteger i2) throws IOException { + + //SEQUENCE OF --> tag 16 + int sequenceTag = 16 + 32; // (bits 6 = 1 constructed) + //INTEGER --> tag 2 + int integerTag = 2; + + byte[] b1 = i1.toByteArray(); + int lb1 = b1.length; + byte[] b2 = i2.toByteArray(); + int lb2 = b2.length; + + int sequenceLength = lb1 + lb2 + 4; + + ByteArrayOutputStream out = new ByteArrayOutputStream(); + + out.write((byte) sequenceTag); + out.write((byte) sequenceLength); + out.write((byte) integerTag); + out.write((byte) lb1); + out.write(b1); + out.write((byte) integerTag); + out.write((byte) lb2); + out.write(b2); + + return out.toByteArray(); + } + } -- cgit v1.2.3