From 7229336487111d6b17fb2693e6a9ef52283c08c9 Mon Sep 17 00:00:00 2001 From: clemenso Date: Fri, 5 Nov 2010 12:48:37 +0000 Subject: mv PKCS15Test to main classes (distribute jar) git-svn-id: https://joinup.ec.europa.eu/svn/mocca/trunk@821 8a26b1a7-26f0-462f-b9ef-d0e30c41f5a4 --- .../src/main/java/at/gv/egiz/smcc/util/TLV.java | 84 ++++++++++++++++++++++ .../java/at/gv/egiz/smcc/util/TLVSequence.java | 83 +++++++++++++++++++++ 2 files changed, 167 insertions(+) create mode 100644 smccTest/src/main/java/at/gv/egiz/smcc/util/TLV.java create mode 100644 smccTest/src/main/java/at/gv/egiz/smcc/util/TLVSequence.java (limited to 'smccTest/src/main/java/at/gv/egiz/smcc') diff --git a/smccTest/src/main/java/at/gv/egiz/smcc/util/TLV.java b/smccTest/src/main/java/at/gv/egiz/smcc/util/TLV.java new file mode 100644 index 00000000..b67fe3fa --- /dev/null +++ b/smccTest/src/main/java/at/gv/egiz/smcc/util/TLV.java @@ -0,0 +1,84 @@ +package at.gv.egiz.smcc.util; + + + +/* + * Copyright 2009 Federal Chancellery Austria and + * Graz University of Technology + * + * 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. + */ + +public class TLV { + + private byte[] bytes; + private int start; + + public TLV(byte[] bytes, int start) { + if (bytes.length - start < 2) { + throw new IllegalArgumentException("TLV must at least consit of tag and length."); + } + this.bytes = bytes; + this.start = start; + } + + /** + * @return the tag + */ + public int getTag() { + return 0xFF & bytes[start]; + } + + /** + * @return the length + */ + public int getLength() { + return 0xFF & bytes[start + 1]; + } + + /** + * @return the value + */ + public byte[] getValue() { + byte[] value = new byte[getLength()]; + System.arraycopy(bytes, start + 2, value, 0, value.length); + return value; + } + + /* (non-Javadoc) + * @see java.lang.Object#toString() + */ + @Override + public String toString() { + return "Tag = " + Integer.toHexString(getTag()) + ", Length = " + getLength() + ", Value = " + toString(getValue()); + } + + public static String toString(byte[] b) { + StringBuffer sb = new StringBuffer(); + sb.append('['); + if (b != null && b.length > 0) { + sb.append(Integer.toHexString((b[0] & 240) >> 4)); + sb.append(Integer.toHexString(b[0] & 15)); + for (int i = 1; i < b.length; i++) { + sb.append((i % 32 == 0) ? '\n' : ':'); + sb.append(Integer.toHexString((b[i] & 240) >> 4)); + sb.append(Integer.toHexString(b[i] & 15)); + } + } + sb.append(']'); + return sb.toString(); + } + + + +} diff --git a/smccTest/src/main/java/at/gv/egiz/smcc/util/TLVSequence.java b/smccTest/src/main/java/at/gv/egiz/smcc/util/TLVSequence.java new file mode 100644 index 00000000..fc29a7e7 --- /dev/null +++ b/smccTest/src/main/java/at/gv/egiz/smcc/util/TLVSequence.java @@ -0,0 +1,83 @@ +package at.gv.egiz.smcc.util; + + + +import java.util.Iterator; +import java.util.NoSuchElementException; + +/* + * Copyright 2009 Federal Chancellery Austria and + * Graz University of Technology + * + * 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. + */ + +public class TLVSequence implements Iterable { + + private byte[] bytes; + + public TLVSequence(byte[] bytes) { + this.bytes = bytes; + } + + @Override + public Iterator iterator() { + return new TLVIterator(); + } + + public byte[] getValue(int tag) { + for (TLV tlv : this) { + if (tlv.getTag() == tag) { + return tlv.getValue(); + } + } + return null; + } + + @Override + public String toString() { + StringBuilder sb = new StringBuilder(); + for (TLV tlv : this) { + sb.append(tlv).append('\n'); + } + return sb.toString(); + } + + private class TLVIterator implements Iterator { + + private int pos = 0; + + @Override + public boolean hasNext() { + return (bytes.length - pos > 2); + } + + @Override + public TLV next() { + if (hasNext()) { + TLV tlv = new TLV(bytes, pos); + pos += tlv.getLength() + 2; + return tlv; + } else { + throw new NoSuchElementException(); + } + } + + @Override + public void remove() { + throw new UnsupportedOperationException(); + } + + } + +} -- cgit v1.2.3