1 files changed, 38 insertions, 0 deletions
diff --git a/bcprov/src/main/java/org/bouncycastle/util/Pack.java b/bcprov/src/main/java/org/bouncycastle/util/Pack.java
index 94ba17b1..82b02ea5 100644
--- a/bcprov/src/main/java/org/bouncycastle/util/Pack.java
+++ b/bcprov/src/main/java/org/bouncycastle/util/Pack.java
@@ -5,6 +5,13 @@ package org.bouncycastle.util;
  */
 public abstract class Pack
 {
+    public static short bigEndianToShort(byte[] bs, int off)
+    {
+        int n = (bs[  off] & 0xff) << 8;
+        n |= (bs[++off] & 0xff);
+        return (short)n;
+    }
+
     public static int bigEndianToInt(byte[] bs, int off)
     {
         int n = bs[  off] << 24;
@@ -99,6 +106,13 @@ public abstract class Pack
         }
     }
 
+    public static short littleEndianToShort(byte[] bs, int off)
+    {
+        int n = bs[  off] & 0xff;
+        n |= (bs[++off] & 0xff) << 8;
+        return (short)n;
+    }
+
     public static int littleEndianToInt(byte[] bs, int off)
     {
         int n = bs[  off] & 0xff;
@@ -126,6 +140,30 @@ public abstract class Pack
         }
     }
 
+    public static int[] littleEndianToInt(byte[] bs, int off, int count)
+    {
+        int[] ns = new int[count];
+        for (int i = 0; i < ns.length; ++i)
+        {
+            ns[i] = littleEndianToInt(bs, off);
+            off += 4;
+        }
+        return ns;
+    }
+
+    public static byte[] shortToLittleEndian(short n)
+    {
+        byte[] bs = new byte[2];
+        shortToLittleEndian(n, bs, 0);
+        return bs;
+    }
+
+    public static void shortToLittleEndian(short n, byte[] bs, int off)
+    {
+        bs[  off] = (byte)(n       );
+        bs[++off] = (byte)(n >>>  8);
+    }
+
     public static byte[] intToLittleEndian(int n)
     {
         byte[] bs = new byte[4];