1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package java.security.spec; 19 20 import java.math.BigInteger; 21 22 /** 23 * The key specification of a RSA private key. 24 * <p> 25 * Defined in the <a 26 * href="http://www.rsa.com/rsalabs/pubs/PKCS/html/pkcs-1.html">PKCS #1 v2.1</a> 27 * standard 28 */ 29 public class RSAPrivateKeySpec implements KeySpec { 30 // Modulus 31 private final BigInteger modulus; 32 // Private Exponent 33 private final BigInteger privateExponent; 34 35 /** 36 * Creates a new {@code RSAPrivateKeySpec} with the specified modulus and 37 * private exponent. 38 * 39 * @param modulus 40 * the modulus {@code n}. 41 * @param privateExponent 42 * the private exponent {@code e} 43 */ 44 public RSAPrivateKeySpec(BigInteger modulus, BigInteger privateExponent) { 45 this.modulus = modulus; 46 this.privateExponent = privateExponent; 47 } 48 49 /** 50 * Returns the modulus {@code n}. 51 * 52 * @return the modulus {@code n}. 53 */ 54 public BigInteger getModulus() { 55 return modulus; 56 } 57 58 /** 59 * Returns the private exponent {@code e}. 60 * 61 * @return the private exponent {@code e}. 62 */ 63 public BigInteger getPrivateExponent() { 64 return privateExponent; 65 } 66 } 67
