1 files changed, 73 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/pkcs/PBEParameter.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/pkcs/PBEParameter.java
new file mode 100644
index 000000000..c70c06549
--- /dev/null
+++ b/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/pkcs/PBEParameter.java
@@ -0,0 +1,73 @@
+package org.spongycastle.asn1.pkcs;
+
+import java.math.BigInteger;
+
+import org.spongycastle.asn1.ASN1EncodableVector;
+import org.spongycastle.asn1.ASN1Integer;
+import org.spongycastle.asn1.ASN1Object;
+import org.spongycastle.asn1.ASN1OctetString;
+import org.spongycastle.asn1.ASN1Primitive;
+import org.spongycastle.asn1.ASN1Sequence;
+import org.spongycastle.asn1.DEROctetString;
+import org.spongycastle.asn1.DERSequence;
+
+public class PBEParameter
+    extends ASN1Object
+{
+    ASN1Integer      iterations;
+    ASN1OctetString salt;
+
+    public PBEParameter(
+        byte[]      salt,
+        int         iterations)
+    {
+        if (salt.length != 8)
+        {
+            throw new IllegalArgumentException("salt length must be 8");
+        }
+        this.salt = new DEROctetString(salt);
+        this.iterations = new ASN1Integer(iterations);
+    }
+
+    private PBEParameter(
+        ASN1Sequence  seq)
+    {
+        salt = (ASN1OctetString)seq.getObjectAt(0);
+        iterations = (ASN1Integer)seq.getObjectAt(1);
+    }
+
+    public static PBEParameter getInstance(
+        Object  obj)
+    {
+        if (obj instanceof PBEParameter)
+        {
+            return (PBEParameter)obj;
+        }
+        else if (obj != null)
+        {
+            return new PBEParameter(ASN1Sequence.getInstance(obj));
+        }
+
+        return null;
+    }
+
+    public BigInteger getIterationCount()
+    {
+        return iterations.getValue();
+    }
+
+    public byte[] getSalt()
+    {
+        return salt.getOctets();
+    }
+
+    public ASN1Primitive toASN1Primitive()
+    {
+        ASN1EncodableVector  v = new ASN1EncodableVector();
+
+        v.add(salt);
+        v.add(iterations);
+
+        return new DERSequence(v);
+    }
+}