2002/03/21 01:19:32

[org.ibex.core.git] / src / org / bouncycastle / asn1 / DERInteger.java

diff --git a/src/org/bouncycastle/asn1/DERInteger.java b/src/org/bouncycastle/asn1/DERInteger.java
new file mode 100644 (file)
index 0000000..0f86910
--- /dev/null
+++ b/src/org/bouncycastle/asn1/DERInteger.java
@@ -0,0 +1,49 @@
+package org.bouncycastle.asn1;
+
+import java.io.*;
+import java.math.BigInteger;
+
+public class DERInteger
+    extends DERObject
+{
+    byte[]      bytes;
+
+    public DERInteger(
+        int         value)
+    {
+        bytes = BigInteger.valueOf(value).toByteArray();
+    }
+
+    public DERInteger(
+        BigInteger   value)
+    {
+        bytes = value.toByteArray();
+    }
+
+    public DERInteger(
+        byte[]   bytes)
+    {
+        this.bytes = bytes;
+    }
+
+    public BigInteger getValue()
+    {
+        return new BigInteger(bytes);
+    }
+
+    /**
+     * in some cases positive values get crammed into a space,
+     * that's not quite big enough...
+     */
+    public BigInteger getPositiveValue()
+    {
+        return new BigInteger(1, bytes);
+    }
+
+    void encode(
+        DEROutputStream out)
+        throws IOException
+    {
+        out.writeEncoded(INTEGER, bytes);
+    }
+}