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Java Standard Edition (SE)

RSAMultiPrimePrivateCrtKeySpec


compact1, compact2, compact3
java.security.spec

Class RSAMultiPrimePrivateCrtKeySpec

    • Constructor Detail

      • RSAMultiPrimePrivateCrtKeySpec

        public RSAMultiPrimePrivateCrtKeySpec(BigInteger modulus,
                                              BigInteger publicExponent,
                                              BigInteger privateExponent,
                                              BigInteger primeP,
                                              BigInteger primeQ,
                                              BigInteger primeExponentP,
                                              BigInteger primeExponentQ,
                                              BigInteger crtCoefficient,
                                              RSAOtherPrimeInfo[] otherPrimeInfo)
        Creates a new RSAMultiPrimePrivateCrtKeySpec given the modulus, publicExponent, privateExponent, primeP, primeQ, primeExponentP, primeExponentQ, crtCoefficient, and otherPrimeInfo as defined in PKCS#1 v2.1.

        Note that the contents of otherPrimeInfo are copied to protect against subsequent modification when constructing this object.

        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.
        otherPrimeInfo - triplets of the rest of primes, null can be specified if there are only two prime factors (p and q).
        Throws:
        NullPointerException - if any of the parameters, i.e. modulus, publicExponent, privateExponent, primeP, primeQ, primeExponentP, primeExponentQ, crtCoefficient, is null.
        IllegalArgumentException - if an empty, i.e. 0-length, otherPrimeInfo is specified.
    • 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.
      • getOtherPrimeInfo

        public RSAOtherPrimeInfo[] getOtherPrimeInfo()
        Returns a copy of the otherPrimeInfo or null if there are only two prime factors (p and q).
        Returns:
        the otherPrimeInfo. Returns a new array each time this method is called.


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