package com.google.bitcoin.bouncycastle.asn1.pkcs; import java.math.BigInteger; import com.google.bitcoin.bouncycastle.asn1.ASN1Encodable; import com.google.bitcoin.bouncycastle.asn1.ASN1EncodableVector; import com.google.bitcoin.bouncycastle.asn1.ASN1OctetString; import com.google.bitcoin.bouncycastle.asn1.ASN1Sequence; import com.google.bitcoin.bouncycastle.asn1.DERInteger; import com.google.bitcoin.bouncycastle.asn1.DERObject; import com.google.bitcoin.bouncycastle.asn1.DEROctetString; import com.google.bitcoin.bouncycastle.asn1.DERSequence; public class PKCS12PBEParams extends ASN1Encodable { DERInteger iterations; ASN1OctetString iv; public PKCS12PBEParams( byte[] salt, int iterations) { this.iv = new DEROctetString(salt); this.iterations = new DERInteger(iterations); } public PKCS12PBEParams( ASN1Sequence seq) { iv = (ASN1OctetString)seq.getObjectAt(0); iterations = (DERInteger)seq.getObjectAt(1); } public static PKCS12PBEParams getInstance( Object obj) { if (obj instanceof PKCS12PBEParams) { return (PKCS12PBEParams)obj; } else if (obj instanceof ASN1Sequence) { return new PKCS12PBEParams((ASN1Sequence)obj); } throw new IllegalArgumentException("unknown object in factory: " + obj.getClass().getName()); } public BigInteger getIterations() { return iterations.getValue(); } public byte[] getIV() { return iv.getOctets(); } public DERObject toASN1Object() { ASN1EncodableVector v = new ASN1EncodableVector(); v.add(iv); v.add(iterations); return new DERSequence(v); } }