1 files changed, 117 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/cmp/PBMParameter.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/cmp/PBMParameter.java
new file mode 100644
index 000000000..83c443cf7
--- /dev/null
+++ b/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/cmp/PBMParameter.java
@@ -0,0 +1,117 @@
+package org.spongycastle.asn1.cmp;
+
+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;
+import org.spongycastle.asn1.x509.AlgorithmIdentifier;
+
+public class PBMParameter
+    extends ASN1Object
+{
+    private ASN1OctetString salt;
+    private AlgorithmIdentifier owf;
+    private ASN1Integer iterationCount;
+    private AlgorithmIdentifier mac;
+
+    private PBMParameter(ASN1Sequence seq)
+    {
+        salt = ASN1OctetString.getInstance(seq.getObjectAt(0));
+        owf = AlgorithmIdentifier.getInstance(seq.getObjectAt(1));
+        iterationCount = ASN1Integer.getInstance(seq.getObjectAt(2));
+        mac = AlgorithmIdentifier.getInstance(seq.getObjectAt(3));
+    }
+
+    public static PBMParameter getInstance(Object o)
+    {
+        if (o instanceof PBMParameter)
+        {
+            return (PBMParameter)o;
+        }
+
+        if (o != null)
+        {
+            return new PBMParameter(ASN1Sequence.getInstance(o));
+        }
+
+        return null;
+    }
+
+    public PBMParameter(
+        byte[] salt,
+        AlgorithmIdentifier owf,
+        int iterationCount,
+        AlgorithmIdentifier mac)
+    {
+        this(new DEROctetString(salt), owf,
+             new ASN1Integer(iterationCount), mac);
+    }
+
+    public PBMParameter(
+        ASN1OctetString salt,
+        AlgorithmIdentifier owf,
+        ASN1Integer iterationCount,
+        AlgorithmIdentifier mac)
+    {
+        this.salt = salt;
+        this.owf = owf;
+        this.iterationCount = iterationCount;
+        this.mac = mac;
+    }
+
+    public ASN1OctetString getSalt()
+    {
+        return salt;
+    }
+
+    public AlgorithmIdentifier getOwf()
+    {
+        return owf;
+    }
+
+    public ASN1Integer getIterationCount()
+    {
+        return iterationCount;
+    }
+
+    public AlgorithmIdentifier getMac()
+    {
+        return mac;
+    }
+
+    /**
+     * <pre>
+     *  PBMParameter ::= SEQUENCE {
+     *                        salt                OCTET STRING,
+     *                        -- note:  implementations MAY wish to limit acceptable sizes
+     *                        -- of this string to values appropriate for their environment
+     *                        -- in order to reduce the risk of denial-of-service attacks
+     *                        owf                 AlgorithmIdentifier,
+     *                        -- AlgId for a One-Way Function (SHA-1 recommended)
+     *                        iterationCount      INTEGER,
+     *                        -- number of times the OWF is applied
+     *                        -- note:  implementations MAY wish to limit acceptable sizes
+     *                        -- of this integer to values appropriate for their environment
+     *                        -- in order to reduce the risk of denial-of-service attacks
+     *                        mac                 AlgorithmIdentifier
+     *                        -- the MAC AlgId (e.g., DES-MAC, Triple-DES-MAC [PKCS11],
+     *    }   -- or HMAC [RFC2104, RFC2202])
+     * </pre>
+     * @return a basic ASN.1 object representation.
+     */
+    public ASN1Primitive toASN1Primitive()
+    {
+        ASN1EncodableVector v = new ASN1EncodableVector();
+
+        v.add(salt);
+        v.add(owf);
+        v.add(iterationCount);
+        v.add(mac);
+        
+        return new DERSequence(v);
+    }
+}