aboutsummaryrefslogtreecommitdiffstats
path: root/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/BERConstructedOctetString.java
diff options
context:
space:
mode:
Diffstat (limited to 'libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/BERConstructedOctetString.java')
-rw-r--r--libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/BERConstructedOctetString.java144
1 files changed, 144 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/BERConstructedOctetString.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/BERConstructedOctetString.java
new file mode 100644
index 000000000..cd9289f26
--- /dev/null
+++ b/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/BERConstructedOctetString.java
@@ -0,0 +1,144 @@
+package org.spongycastle.asn1;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.util.Enumeration;
+import java.util.Vector;
+
+/**
+ * @deprecated use BEROctetString
+ */
+public class BERConstructedOctetString
+ extends BEROctetString
+{
+ private static final int MAX_LENGTH = 1000;
+
+ /**
+ * convert a vector of octet strings into a single byte string
+ */
+ static private byte[] toBytes(
+ Vector octs)
+ {
+ ByteArrayOutputStream bOut = new ByteArrayOutputStream();
+
+ for (int i = 0; i != octs.size(); i++)
+ {
+ try
+ {
+ DEROctetString o = (DEROctetString)octs.elementAt(i);
+
+ bOut.write(o.getOctets());
+ }
+ catch (ClassCastException e)
+ {
+ throw new IllegalArgumentException(octs.elementAt(i).getClass().getName() + " found in input should only contain DEROctetString");
+ }
+ catch (IOException e)
+ {
+ throw new IllegalArgumentException("exception converting octets " + e.toString());
+ }
+ }
+
+ return bOut.toByteArray();
+ }
+
+ private Vector octs;
+
+ /**
+ * @param string the octets making up the octet string.
+ */
+ public BERConstructedOctetString(
+ byte[] string)
+ {
+ super(string);
+ }
+
+ public BERConstructedOctetString(
+ Vector octs)
+ {
+ super(toBytes(octs));
+
+ this.octs = octs;
+ }
+
+ public BERConstructedOctetString(
+ ASN1Primitive obj)
+ {
+ super(toByteArray(obj));
+ }
+
+ private static byte[] toByteArray(ASN1Primitive obj)
+ {
+ try
+ {
+ return obj.getEncoded();
+ }
+ catch (IOException e)
+ {
+ throw new IllegalArgumentException("Unable to encode object");
+ }
+ }
+
+ public BERConstructedOctetString(
+ ASN1Encodable obj)
+ {
+ this(obj.toASN1Primitive());
+ }
+
+ public byte[] getOctets()
+ {
+ return string;
+ }
+
+ /**
+ * return the DER octets that make up this string.
+ */
+ public Enumeration getObjects()
+ {
+ if (octs == null)
+ {
+ return generateOcts().elements();
+ }
+
+ return octs.elements();
+ }
+
+ private Vector generateOcts()
+ {
+ Vector vec = new Vector();
+ for (int i = 0; i < string.length; i += MAX_LENGTH)
+ {
+ int end;
+
+ if (i + MAX_LENGTH > string.length)
+ {
+ end = string.length;
+ }
+ else
+ {
+ end = i + MAX_LENGTH;
+ }
+
+ byte[] nStr = new byte[end - i];
+
+ System.arraycopy(string, i, nStr, 0, nStr.length);
+
+ vec.addElement(new DEROctetString(nStr));
+ }
+
+ return vec;
+ }
+
+ public static BEROctetString fromSequence(ASN1Sequence seq)
+ {
+ Vector v = new Vector();
+ Enumeration e = seq.getObjects();
+
+ while (e.hasMoreElements())
+ {
+ v.addElement(e.nextElement());
+ }
+
+ return new BERConstructedOctetString(v);
+ }
+}