RSAPrivateCrtKeySpec (Java 2 Platform SE 5.0) - JDK 5 Documentation v1.5.0, Java 2 SDK 英文文档

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Java^TM 2 Platform
Standard Ed. 5.0

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java.security.spec
Class RSAPrivateCrtKeySpec

java.lang.Object
  java.security.spec.RSAPrivateKeySpec
      java.security.spec.RSAPrivateCrtKeySpec

All Implemented Interfaces:: KeySpec

public class RSAPrivateCrtKeySpec
extends RSAPrivateKeySpec
extends RSAPrivateKeySpec

This class specifies an RSA private key, as defined in the PKCS#1 standard, using the Chinese Remainder Theorem (CRT) information values for efficiency.

See Also:: Key, KeyFactory, KeySpec, PKCS8EncodedKeySpec, RSAPrivateKeySpec, RSAPublicKeySpec

Constructor Summary

RSAPrivateCrtKeySpec(BigInteger modulus, BigInteger publicExponent, BigInteger privateExponent, BigInteger primeP, BigInteger primeQ, BigInteger primeExponentP, BigInteger primeExponentQ, BigInteger crtCoefficient)
          Creates a new RSAPrivateCrtKeySpec given the modulus, publicExponent, privateExponent, primeP, primeQ, primeExponentP, primeExponentQ, and crtCoefficient as defined in PKCS#1.

Method Summary

BigInteger getCrtCoefficient()
          Returns the crtCoefficient.

BigInteger getPrimeExponentP()
          Returns the primeExponentP.

BigInteger getPrimeExponentQ()
          Returns the primeExponentQ.

BigInteger getPrimeP()
          Returns the primeP.

BigInteger getPrimeQ()
          Returns the primeQ.

BigInteger getPublicExponent()
          Returns the public exponent.

Methods inherited from class java.security.spec.RSAPrivateKeySpec

getModulus, getPrivateExponent

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Summary
`RSAPrivateCrtKeySpec(BigInteger modulus, BigInteger publicExponent, BigInteger privateExponent, BigInteger primeP, BigInteger primeQ, BigInteger primeExponentP, BigInteger primeExponentQ, BigInteger crtCoefficient)` Creates a new `RSAPrivateCrtKeySpec` given the modulus, publicExponent, privateExponent, primeP, primeQ, primeExponentP, primeExponentQ, and crtCoefficient as defined in PKCS#1.

Method Summary
`BigInteger`	`getCrtCoefficient()` Returns the crtCoefficient.
`BigInteger`	`getPrimeExponentP()` Returns the primeExponentP.
`BigInteger`	`getPrimeExponentQ()` Returns the primeExponentQ.
`BigInteger`	`getPrimeP()` Returns the primeP.
`BigInteger`	`getPrimeQ()` Returns the primeQ.
`BigInteger`	`getPublicExponent()` Returns the public exponent.

Methods inherited from class java.security.spec.RSAPrivateKeySpec
`getModulus, getPrivateExponent`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

RSAPrivateCrtKeySpec

public RSAPrivateCrtKeySpec(BigInteger modulus,
                            BigInteger publicExponent,
                            BigInteger privateExponent,
                            BigInteger primeP,
                            BigInteger primeQ,
                            BigInteger primeExponentP,
                            BigInteger primeExponentQ,
                            BigInteger crtCoefficient)

Creates a new RSAPrivateCrtKeySpec given the modulus, publicExponent, privateExponent, primeP, primeQ, primeExponentP, primeExponentQ, and crtCoefficient as defined in PKCS#1.

Parameters:: modulus - the modulus n; publicExponent - the public exponent e; privateExponent - the private exponent d; primeP - the prime factor p of n; primeQ - the prime factor q of n; primeExponentP - this is d mod (p-1); primeExponentQ - this is d mod (q-1); crtCoefficient - the Chinese Remainder Theorem coefficient q-1 mod p

Method Detail

getPublicExponent

public BigInteger getPublicExponent()

Returns the public exponent.

Returns:: the public exponent

getPrimeP

public BigInteger getPrimeP()

Returns the primeP.

Returns:: the primeP

getPrimeQ

public BigInteger getPrimeQ()

Returns the primeQ.

Returns:: the primeQ

getPrimeExponentP

public BigInteger getPrimeExponentP()

Returns the primeExponentP.

Returns:: the primeExponentP

getPrimeExponentQ

public BigInteger getPrimeExponentQ()

Returns the primeExponentQ.

Returns:: the primeExponentQ

getCrtCoefficient

public BigInteger getCrtCoefficient()

Returns the crtCoefficient.

Returns:: the crtCoefficient