Showing the changes to java/pkg/java/security/spec/RSAOtherPrimeInfo.java (1 of 18352 files). Show all
Unified · Split
| @@ -0,0 +1,120 @@ | |||
| 1 | /* | ||
| 2 | * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package java.security.spec; | ||
| 27 | |||
| 28 | import java.math.BigInteger; | ||
| 29 | |||
| 30 | /** | ||
| 31 | * This class represents the triplet (prime, exponent, and coefficient) | ||
| 32 | * inside RSA's OtherPrimeInfo structure, as defined in the PKCS#1 v2.1. | ||
| 33 | * The ASN.1 syntax of RSA's OtherPrimeInfo is as follows: | ||
| 34 | * | ||
| 35 | * <pre> | ||
| 36 | * OtherPrimeInfo ::= SEQUENCE { | ||
| 37 | * prime INTEGER, | ||
| 38 | * exponent INTEGER, | ||
| 39 | * coefficient INTEGER | ||
| 40 | * } | ||
| 41 | * | ||
| 42 | * </pre> | ||
| 43 | * | ||
| 44 | * @author Valerie Peng | ||
| 45 | * | ||
| 46 | * | ||
| 47 | * @see RSAPrivateCrtKeySpec | ||
| 48 | * @see java.security.interfaces.RSAMultiPrimePrivateCrtKey | ||
| 49 | * | ||
| 50 | * @since 1.4 | ||
| 51 | */ | ||
| 52 | |||
| 53 | public class RSAOtherPrimeInfo { | ||
| 54 | |||
| 55 | private BigInteger prime; | ||
| 56 | private BigInteger primeExponent; | ||
| 57 | private BigInteger crtCoefficient; | ||
| 58 | |||
| 59 | |||
| 60 | /** | ||
| 61 | * Creates a new <code>RSAOtherPrimeInfo</code> | ||
| 62 | * given the prime, primeExponent, and | ||
| 63 | * crtCoefficient as defined in PKCS#1. | ||
| 64 | * | ||
| 65 | * @param prime the prime factor of n. | ||
| 66 | * @param primeExponent the exponent. | ||
| 67 | * @param crtCoefficient the Chinese Remainder Theorem | ||
| 68 | * coefficient. | ||
| 69 | * @exception NullPointerException if any of the parameters, i.e. | ||
| 70 | * <code>prime</code>, <code>primeExponent</code>, | ||
| 71 | * <code>crtCoefficient</code>, is null. | ||
| 72 | * | ||
| 73 | */ | ||
| 74 | public RSAOtherPrimeInfo(BigInteger prime, | ||
| 75 | BigInteger primeExponent, | ||
| 76 | BigInteger crtCoefficient) { | ||
| 77 | if (prime == null) { | ||
| 78 | throw new NullPointerException("the prime parameter must be " + | ||
| 79 | "non-null"); | ||
| 80 | } | ||
| 81 | if (primeExponent == null) { | ||
| 82 | throw new NullPointerException("the primeExponent parameter " + | ||
| 83 | "must be non-null"); | ||
| 84 | } | ||
| 85 | if (crtCoefficient == null) { | ||
| 86 | throw new NullPointerException("the crtCoefficient parameter " + | ||
| 87 | "must be non-null"); | ||
| 88 | } | ||
| 89 | this.prime = prime; | ||
| 90 | this.primeExponent = primeExponent; | ||
| 91 | this.crtCoefficient = crtCoefficient; | ||
| 92 | } | ||
| 93 | |||
| 94 | /** | ||
| 95 | * Returns the prime. | ||
| 96 | * | ||
| 97 | * @return the prime. | ||
| 98 | */ | ||
| 99 | public final BigInteger getPrime() { | ||
| 100 | return this.prime; | ||
| 101 | } | ||
| 102 | |||
| 103 | /** | ||
| 104 | * Returns the prime's exponent. | ||
| 105 | * | ||
| 106 | * @return the primeExponent. | ||
| 107 | */ | ||
| 108 | public final BigInteger getExponent() { | ||
| 109 | return this.primeExponent; | ||
| 110 | } | ||
| 111 | |||
| 112 | /** | ||
| 113 | * Returns the prime's crtCoefficient. | ||
| 114 | * | ||
| 115 | * @return the crtCoefficient. | ||
| 116 | */ | ||
| 117 | public final BigInteger getCrtCoefficient() { | ||
| 118 | return this.crtCoefficient; | ||
| 119 | } | ||
| 120 | } | ||