You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
144 lines
3.3 KiB
144 lines
3.3 KiB
/*
|
|
* Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
|
|
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*/
|
|
|
|
package java.security.spec;
|
|
|
|
import java.math.BigInteger;
|
|
|
|
/**
|
|
* This class specifies an RSA private key, as defined in the PKCS#1
|
|
* standard, using the Chinese Remainder Theorem (CRT) information values for
|
|
* efficiency.
|
|
*
|
|
* @author Jan Luehe
|
|
*
|
|
*
|
|
* @see java.security.Key
|
|
* @see java.security.KeyFactory
|
|
* @see KeySpec
|
|
* @see PKCS8EncodedKeySpec
|
|
* @see RSAPrivateKeySpec
|
|
* @see RSAPublicKeySpec
|
|
*/
|
|
|
|
public class RSAPrivateCrtKeySpec extends RSAPrivateKeySpec {
|
|
|
|
private final BigInteger publicExponent;
|
|
private final BigInteger primeP;
|
|
private final BigInteger primeQ;
|
|
private final BigInteger primeExponentP;
|
|
private final BigInteger primeExponentQ;
|
|
private final BigInteger crtCoefficient;
|
|
|
|
|
|
|
|
/**
|
|
* Creates a new {@code RSAPrivateCrtKeySpec}
|
|
* given the modulus, publicExponent, privateExponent,
|
|
* primeP, primeQ, primeExponentP, primeExponentQ, and
|
|
* crtCoefficient as defined in PKCS#1.
|
|
*
|
|
* @param modulus the modulus n
|
|
* @param publicExponent the public exponent e
|
|
* @param privateExponent the private exponent d
|
|
* @param primeP the prime factor p of n
|
|
* @param primeQ the prime factor q of n
|
|
* @param primeExponentP this is d mod (p-1)
|
|
* @param primeExponentQ this is d mod (q-1)
|
|
* @param crtCoefficient the Chinese Remainder Theorem
|
|
* coefficient q-1 mod p
|
|
*/
|
|
public RSAPrivateCrtKeySpec(BigInteger modulus,
|
|
BigInteger publicExponent,
|
|
BigInteger privateExponent,
|
|
BigInteger primeP,
|
|
BigInteger primeQ,
|
|
BigInteger primeExponentP,
|
|
BigInteger primeExponentQ,
|
|
BigInteger crtCoefficient) {
|
|
super(modulus, privateExponent);
|
|
this.publicExponent = publicExponent;
|
|
this.primeP = primeP;
|
|
this.primeQ = primeQ;
|
|
this.primeExponentP = primeExponentP;
|
|
this.primeExponentQ = primeExponentQ;
|
|
this.crtCoefficient = crtCoefficient;
|
|
}
|
|
|
|
/**
|
|
* Returns the public exponent.
|
|
*
|
|
* @return the public exponent
|
|
*/
|
|
public BigInteger getPublicExponent() {
|
|
return this.publicExponent;
|
|
}
|
|
|
|
/**
|
|
* Returns the primeP.
|
|
|
|
* @return the primeP
|
|
*/
|
|
public BigInteger getPrimeP() {
|
|
return this.primeP;
|
|
}
|
|
|
|
/**
|
|
* Returns the primeQ.
|
|
*
|
|
* @return the primeQ
|
|
*/
|
|
public BigInteger getPrimeQ() {
|
|
return this.primeQ;
|
|
}
|
|
|
|
/**
|
|
* Returns the primeExponentP.
|
|
*
|
|
* @return the primeExponentP
|
|
*/
|
|
public BigInteger getPrimeExponentP() {
|
|
return this.primeExponentP;
|
|
}
|
|
|
|
/**
|
|
* Returns the primeExponentQ.
|
|
*
|
|
* @return the primeExponentQ
|
|
*/
|
|
public BigInteger getPrimeExponentQ() {
|
|
return this.primeExponentQ;
|
|
}
|
|
|
|
/**
|
|
* Returns the crtCoefficient.
|
|
*
|
|
* @return the crtCoefficient
|
|
*/
|
|
public BigInteger getCrtCoefficient() {
|
|
return this.crtCoefficient;
|
|
}
|
|
}
|