59     private final BigInteger d;         // private exponent

    59     private final BigInteger d;         // private exponent

    60 

    60 

    61     // optional parameters associated with this RSA key

    61     // optional parameters associated with this RSA key

    62     // specified in the encoding of its AlgorithmId.

    62     // specified in the encoding of its AlgorithmId.

    63     // must be null for "RSA" keys.

    63     // must be null for "RSA" keys.

    64     private final AlgorithmParameterSpec keyParams;

    65     private final AlgorithmParameterSpec keyParams;

    65 

    66 

    66     /**

    67     /**

    67      * Construct a key from its components. Used by the

    68      * Construct a key from its components. Used by the

    68      * RSAKeyFactory and the RSAKeyPairGenerator.

    69      * RSAKeyFactory and the RSAKeyPairGenerator.