| package org.bouncycastle.asn1.pkcs; |
| |
| import java.math.BigInteger; |
| |
| import org.bouncycastle.asn1.ASN1Encodable; |
| import org.bouncycastle.asn1.ASN1EncodableVector; |
| import org.bouncycastle.asn1.ASN1OctetString; |
| import org.bouncycastle.asn1.ASN1Sequence; |
| import org.bouncycastle.asn1.DERInteger; |
| import org.bouncycastle.asn1.DERObject; |
| import org.bouncycastle.asn1.DEROctetString; |
| import org.bouncycastle.asn1.DERSequence; |
| |
| public class RC2CBCParameter |
| extends ASN1Encodable |
| { |
| DERInteger version; |
| ASN1OctetString iv; |
| |
| public static RC2CBCParameter getInstance( |
| Object o) |
| { |
| if (o instanceof ASN1Sequence) |
| { |
| return new RC2CBCParameter((ASN1Sequence)o); |
| } |
| |
| throw new IllegalArgumentException("unknown object in RC2CBCParameter factory"); |
| } |
| |
| public RC2CBCParameter( |
| byte[] iv) |
| { |
| this.version = null; |
| this.iv = new DEROctetString(iv); |
| } |
| |
| public RC2CBCParameter( |
| int parameterVersion, |
| byte[] iv) |
| { |
| this.version = new DERInteger(parameterVersion); |
| this.iv = new DEROctetString(iv); |
| } |
| |
| public RC2CBCParameter( |
| ASN1Sequence seq) |
| { |
| if (seq.size() == 1) |
| { |
| version = null; |
| iv = (ASN1OctetString)seq.getObjectAt(0); |
| } |
| else |
| { |
| version = (DERInteger)seq.getObjectAt(0); |
| iv = (ASN1OctetString)seq.getObjectAt(1); |
| } |
| } |
| |
| public BigInteger getRC2ParameterVersion() |
| { |
| if (version == null) |
| { |
| return null; |
| } |
| |
| return version.getValue(); |
| } |
| |
| public byte[] getIV() |
| { |
| return iv.getOctets(); |
| } |
| |
| public DERObject toASN1Object() |
| { |
| ASN1EncodableVector v = new ASN1EncodableVector(); |
| |
| if (version != null) |
| { |
| v.add(version); |
| } |
| |
| v.add(iv); |
| |
| return new DERSequence(v); |
| } |
| } |