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87 lines
1.6 KiB
87 lines
1.6 KiB
/*
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* Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
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* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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*
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*
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*/
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package java.security.spec;
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import java.math.BigInteger;
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import java.security.spec.AlgorithmParameterSpec;
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/**
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* This class specifies the set of parameters used to generate an RSA
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* key pair.
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*
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* @author Jan Luehe
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*
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* @see java.security.KeyPairGenerator#initialize(java.security.spec.AlgorithmParameterSpec)
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*
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* @since 1.3
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*/
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public class RSAKeyGenParameterSpec implements AlgorithmParameterSpec {
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private int keysize;
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private BigInteger publicExponent;
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/**
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* The public-exponent value F0 = 3.
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*/
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public static final BigInteger F0 = BigInteger.valueOf(3);
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/**
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* The public exponent-value F4 = 65537.
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*/
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public static final BigInteger F4 = BigInteger.valueOf(65537);
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/**
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* Constructs a new {@code RSAParameterSpec} object from the
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* given keysize and public-exponent value.
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*
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* @param keysize the modulus size (specified in number of bits)
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* @param publicExponent the public exponent
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*/
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public RSAKeyGenParameterSpec(int keysize, BigInteger publicExponent) {
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this.keysize = keysize;
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this.publicExponent = publicExponent;
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}
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/**
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* Returns the keysize.
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*
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* @return the keysize.
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*/
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public int getKeysize() {
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return keysize;
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}
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/**
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* Returns the public-exponent value.
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*
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* @return the public-exponent value.
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*/
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public BigInteger getPublicExponent() {
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return publicExponent;
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}
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}
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