add Bytes.java
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583bfecc34
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@ -6,7 +6,11 @@ PACKAGE_AID = 0xd0:0x70:0x02:0xCA:0x44:0x90:0x01
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PACKAGE_NAME = org.osmocom.IMSIPseudo
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PACKAGE_VERSION = 1.0
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SOURCES = src/org/osmocom/IMSIPseudo/MobileIdentity.java src/org/osmocom/IMSIPseudo/IMSIPseudo.java
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SOURCES = \
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src/org/osmocom/IMSIPseudo/Bytes.java \
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src/org/osmocom/IMSIPseudo/MobileIdentity.java \
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src/org/osmocom/IMSIPseudo/IMSIPseudo.java \
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$(NULL)
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CAP_FILE = build/javacard/org/osmocom/IMSIPseudo/javacard/IMSIPseudo.cap
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@ -42,6 +46,7 @@ delete: remove
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.PHONY: test
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test:
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mkdir -p ./test/classes
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javac -target 1.1 -source 1.3 -classpath test/classes -g -d ./test/classes src/org/osmocom/IMSIPseudo/Bytes.java
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javac -target 1.1 -source 1.3 -classpath test/classes -g -d ./test/classes src/org/osmocom/IMSIPseudo/MobileIdentity.java
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javac -target 1.1 -source 1.3 -classpath test/classes -g -d ./test/classes src/org/osmocom/IMSIPseudo/Test.java
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java -classpath test/classes org.osmocom.IMSIPseudo.Test
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@ -0,0 +1,82 @@
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/* Copyright 2020 sysmocom s.f.m.c. GmbH
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* SPDX-License-Identifier: Apache-2.0 */
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package org.osmocom.IMSIPseudo;
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public class Bytes {
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public static byte nibble2hex(byte nibble)
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{
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nibble = (byte)(nibble & 0xf);
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if (nibble < 0xa)
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return (byte)('0' + nibble);
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else
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return (byte)('a' + nibble - 0xa);
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}
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public static byte[] hexdump(byte data[])
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{
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byte res[] = new byte[(byte)(data.length*2)];
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for (byte i = 0; i < data.length; i++) {
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res[(byte)(i*2)] = nibble2hex((byte)(data[i] >> 4));
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res[(byte)(i*2 + 1)] = nibble2hex(data[i]);
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}
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return res;
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}
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public static boolean equals(byte a[], byte b[])
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{
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if (a.length != b.length)
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return false;
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for (short i = 0; i < (short)a.length; i++) {
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if (a[i] != b[i])
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return false;
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}
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return true;
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}
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public static boolean isDigit(byte digits[])
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{
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for (short i = 0; i < (short)digits.length; i++) {
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if (digits[i] < '0' || digits[i] > '9')
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return false;
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}
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return true;
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}
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public static byte[] toStr(byte byte_nr)
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{
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byte str[];
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short nr = byte_nr;
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byte d;
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byte l = 0;
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if (nr < 0) {
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l = 1;
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nr = (short)-nr;
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}
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if (nr > 99) {
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l += 3;
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d = 100;
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}
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else if (nr > 9) {
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l += 2;
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d = 10;
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}
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else {
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str = new byte[1];
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l += 1;
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d = 1;
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}
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byte i = 0;
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str = new byte[l];
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if (byte_nr < 0)
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str[i++] = '-';
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while (d > 0) {
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str[i++] = (byte)('0' + (nr / d));
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nr %= d;
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d /= 10;
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}
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return str;
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}
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}
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@ -129,24 +129,6 @@ public class IMSIPseudo extends Applet implements ToolkitInterface, ToolkitConst
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showMsg(msg);
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}
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private byte nibble2hex(byte nibble)
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{
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nibble = (byte)(nibble & 0xf);
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if (nibble < 0xa)
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return (byte)('0' + nibble);
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else
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return (byte)('a' + nibble - 0xa);
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}
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private byte[] hexdump(byte data[])
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{
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byte res[] = new byte[(byte)(data.length*2)];
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for (byte i = 0; i < data.length; i++) {
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res[(byte)(i*2)] = nibble2hex((byte)(data[i] >> 4));
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res[(byte)(i*2 + 1)] = nibble2hex(data[i]);
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}
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return res;
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}
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private void showIMSI() {
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/* 3GPP TS 31.102 4.2.2: IMSI */
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