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82 lines
1.5 KiB
82 lines
1.5 KiB
/*
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* Copyright (c) 2003, 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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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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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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/**
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* This immutable class specifies an elliptic curve private key with
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* its associated parameters.
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*
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* @see KeySpec
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* @see ECParameterSpec
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*
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* @author Valerie Peng
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*
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* @since 1.5
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*/
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public class ECPrivateKeySpec implements KeySpec {
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private BigInteger s;
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private ECParameterSpec params;
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/**
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* Creates a new ECPrivateKeySpec with the specified
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* parameter values.
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* @param s the private value.
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* @param params the associated elliptic curve domain
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* parameters.
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* @exception NullPointerException if {@code s}
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* or {@code params} is null.
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*/
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public ECPrivateKeySpec(BigInteger s, ECParameterSpec params) {
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if (s == null) {
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throw new NullPointerException("s is null");
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}
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if (params == null) {
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throw new NullPointerException("params is null");
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}
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this.s = s;
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this.params = params;
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}
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/**
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* Returns the private value S.
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* @return the private value S.
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*/
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public BigInteger getS() {
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return s;
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}
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/**
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* Returns the associated elliptic curve domain
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* parameters.
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* @return the EC domain parameters.
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*/
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public ECParameterSpec getParams() {
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return params;
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}
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}
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