| package org.bouncycastle.asn1.x509; |
| |
| import java.math.BigInteger; |
| import java.util.Enumeration; |
| |
| import org.bouncycastle.asn1.ASN1EncodableVector; |
| import org.bouncycastle.asn1.ASN1Integer; |
| import org.bouncycastle.asn1.ASN1Object; |
| import org.bouncycastle.asn1.ASN1Primitive; |
| import org.bouncycastle.asn1.ASN1Sequence; |
| import org.bouncycastle.asn1.ASN1TaggedObject; |
| import org.bouncycastle.asn1.DERSequence; |
| |
| /** |
| * @deprecated use org.bouncycastle.asn1.pkcs.RSAPublicKey |
| */ |
| public class RSAPublicKeyStructure |
| extends ASN1Object |
| { |
| private BigInteger modulus; |
| private BigInteger publicExponent; |
| |
| public static RSAPublicKeyStructure getInstance( |
| ASN1TaggedObject obj, |
| boolean explicit) |
| { |
| return getInstance(ASN1Sequence.getInstance(obj, explicit)); |
| } |
| |
| public static RSAPublicKeyStructure getInstance( |
| Object obj) |
| { |
| if(obj == null || obj instanceof RSAPublicKeyStructure) |
| { |
| return (RSAPublicKeyStructure)obj; |
| } |
| |
| if(obj instanceof ASN1Sequence) |
| { |
| return new RSAPublicKeyStructure((ASN1Sequence)obj); |
| } |
| |
| throw new IllegalArgumentException("Invalid RSAPublicKeyStructure: " + obj.getClass().getName()); |
| } |
| |
| public RSAPublicKeyStructure( |
| BigInteger modulus, |
| BigInteger publicExponent) |
| { |
| this.modulus = modulus; |
| this.publicExponent = publicExponent; |
| } |
| |
| public RSAPublicKeyStructure( |
| ASN1Sequence seq) |
| { |
| if (seq.size() != 2) |
| { |
| throw new IllegalArgumentException("Bad sequence size: " |
| + seq.size()); |
| } |
| |
| Enumeration e = seq.getObjects(); |
| |
| modulus = ASN1Integer.getInstance(e.nextElement()).getPositiveValue(); |
| publicExponent = ASN1Integer.getInstance(e.nextElement()).getPositiveValue(); |
| } |
| |
| public BigInteger getModulus() |
| { |
| return modulus; |
| } |
| |
| public BigInteger getPublicExponent() |
| { |
| return publicExponent; |
| } |
| |
| /** |
| * This outputs the key in PKCS1v2 format. |
| * <pre> |
| * RSAPublicKey ::= SEQUENCE { |
| * modulus INTEGER, -- n |
| * publicExponent INTEGER, -- e |
| * } |
| * </pre> |
| * <p> |
| */ |
| public ASN1Primitive toASN1Primitive() |
| { |
| ASN1EncodableVector v = new ASN1EncodableVector(); |
| |
| v.add(new ASN1Integer(getModulus())); |
| v.add(new ASN1Integer(getPublicExponent())); |
| |
| return new DERSequence(v); |
| } |
| } |