| package org.bouncycastle.asn1.crmf; |
| |
| import org.bouncycastle.asn1.ASN1EncodableVector; |
| import org.bouncycastle.asn1.ASN1Object; |
| import org.bouncycastle.asn1.ASN1Primitive; |
| import org.bouncycastle.asn1.ASN1Sequence; |
| import org.bouncycastle.asn1.ASN1TaggedObject; |
| import org.bouncycastle.asn1.DERBitString; |
| import org.bouncycastle.asn1.DERSequence; |
| import org.bouncycastle.asn1.cmp.CMPObjectIdentifiers; |
| import org.bouncycastle.asn1.cmp.PBMParameter; |
| import org.bouncycastle.asn1.x509.AlgorithmIdentifier; |
| |
| /** |
| * Password-based MAC value for use with POPOSigningKeyInput. |
| */ |
| public class PKMACValue |
| extends ASN1Object |
| { |
| private AlgorithmIdentifier algId; |
| private DERBitString value; |
| |
| private PKMACValue(ASN1Sequence seq) |
| { |
| algId = AlgorithmIdentifier.getInstance(seq.getObjectAt(0)); |
| value = DERBitString.getInstance(seq.getObjectAt(1)); |
| } |
| |
| public static PKMACValue getInstance(Object o) |
| { |
| if (o instanceof PKMACValue) |
| { |
| return (PKMACValue)o; |
| } |
| |
| if (o != null) |
| { |
| return new PKMACValue(ASN1Sequence.getInstance(o)); |
| } |
| |
| return null; |
| } |
| |
| public static PKMACValue getInstance(ASN1TaggedObject obj, boolean isExplicit) |
| { |
| return getInstance(ASN1Sequence.getInstance(obj, isExplicit)); |
| } |
| |
| /** |
| * Creates a new PKMACValue. |
| * @param params parameters for password-based MAC |
| * @param value MAC of the DER-encoded SubjectPublicKeyInfo |
| */ |
| public PKMACValue( |
| PBMParameter params, |
| DERBitString value) |
| { |
| this(new AlgorithmIdentifier( |
| CMPObjectIdentifiers.passwordBasedMac, params), value); |
| } |
| |
| /** |
| * Creates a new PKMACValue. |
| * @param aid CMPObjectIdentifiers.passwordBasedMAC, with PBMParameter |
| * @param value MAC of the DER-encoded SubjectPublicKeyInfo |
| */ |
| public PKMACValue( |
| AlgorithmIdentifier aid, |
| DERBitString value) |
| { |
| this.algId = aid; |
| this.value = value; |
| } |
| |
| public AlgorithmIdentifier getAlgId() |
| { |
| return algId; |
| } |
| |
| public DERBitString getValue() |
| { |
| return value; |
| } |
| |
| /** |
| * <pre> |
| * PKMACValue ::= SEQUENCE { |
| * algId AlgorithmIdentifier, |
| * -- algorithm value shall be PasswordBasedMac 1.2.840.113533.7.66.13 |
| * -- parameter value is PBMParameter |
| * value BIT STRING } |
| * </pre> |
| * @return a basic ASN.1 object representation. |
| */ |
| public ASN1Primitive toASN1Primitive() |
| { |
| ASN1EncodableVector v = new ASN1EncodableVector(); |
| |
| v.add(algId); |
| v.add(value); |
| |
| return new DERSequence(v); |
| } |
| } |