package com.google.bitcoin.bouncycastle.asn1.misc; import com.google.bitcoin.bouncycastle.asn1.*; public class CAST5CBCParameters extends ASN1Encodable { DERInteger keyLength; ASN1OctetString iv; public static CAST5CBCParameters getInstance( Object o) { if (o instanceof CAST5CBCParameters) { return (CAST5CBCParameters)o; } else if (o instanceof ASN1Sequence) { return new CAST5CBCParameters((ASN1Sequence)o); } throw new IllegalArgumentException("unknown object in CAST5CBCParameter factory"); } public CAST5CBCParameters( byte[] iv, int keyLength) { this.iv = new DEROctetString(iv); this.keyLength = new DERInteger(keyLength); } public CAST5CBCParameters( ASN1Sequence seq) { iv = (ASN1OctetString)seq.getObjectAt(0); keyLength = (DERInteger)seq.getObjectAt(1); } public byte[] getIV() { return iv.getOctets(); } public int getKeyLength() { return keyLength.getValue().intValue(); } /** * Produce an object suitable for an ASN1OutputStream. * <pre> * cast5CBCParameters ::= SEQUENCE { * iv OCTET STRING DEFAULT 0, * -- Initialization vector * keyLength INTEGER * -- Key length, in bits * } * </pre> */ public DERObject toASN1Object() { ASN1EncodableVector v = new ASN1EncodableVector(); v.add(iv); v.add(keyLength); return new DERSequence(v); } }