+++ /dev/null
-package org.bouncycastle.asn1.x509;
-
-import java.util.Enumeration;
-import java.math.BigInteger;
-
-import org.bouncycastle.asn1.*;
-
-public class RSAPublicKeyStructure
- implements DEREncodable
-{
- 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)
- {
- Enumeration e = seq.getObjects();
-
- modulus = ((DERInteger)e.nextElement()).getValue();
- publicExponent = ((DERInteger)e.nextElement()).getValue();
- }
-
- 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 DERObject getDERObject()
- {
- DERConstructedSequence seq = new DERConstructedSequence();
-
- seq.addObject(new DERInteger(getModulus()));
- seq.addObject(new DERInteger(getPublicExponent()));
-
- return seq;
- }
-}