RSAPrivateCrtKeySpec.java 4.3 KB

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  1. /* RSAPrivateCrtKeySpec.java --- RSA Private Certificate Key Specificaton class
  2. Copyright (C) 1999 Free Software Foundation, Inc.
  3. This file is part of GNU Classpath.
  4. GNU Classpath is free software; you can redistribute it and/or modify
  5. it under the terms of the GNU General Public License as published by
  6. the Free Software Foundation; either version 2, or (at your option)
  7. any later version.
  8. GNU Classpath is distributed in the hope that it will be useful, but
  9. WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. General Public License for more details.
  12. You should have received a copy of the GNU General Public License
  13. along with GNU Classpath; see the file COPYING. If not, write to the
  14. Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  15. 02110-1301 USA.
  16. Linking this library statically or dynamically with other modules is
  17. making a combined work based on this library. Thus, the terms and
  18. conditions of the GNU General Public License cover the whole
  19. combination.
  20. As a special exception, the copyright holders of this library give you
  21. permission to link this library with independent modules to produce an
  22. executable, regardless of the license terms of these independent
  23. modules, and to copy and distribute the resulting executable under
  24. terms of your choice, provided that you also meet, for each linked
  25. independent module, the terms and conditions of the license of that
  26. module. An independent module is a module which is not derived from
  27. or based on this library. If you modify this library, you may extend
  28. this exception to your version of the library, but you are not
  29. obligated to do so. If you do not wish to do so, delete this
  30. exception statement from your version. */
  31. package java.security.spec;
  32. import java.math.BigInteger;
  33. /**
  34. RSA Private Certificate Key class Specification. Used to
  35. maintain the RSA Private Certificate Keys with the
  36. <I>Chinese Remainder Theorem</I>(CRT) as specified by PKCS#1.
  37. @since JDK 1.2
  38. @author Mark Benvenuto
  39. */
  40. public class RSAPrivateCrtKeySpec extends RSAPrivateKeySpec
  41. {
  42. private BigInteger publicExponent;
  43. private BigInteger primeP;
  44. private BigInteger primeQ;
  45. private BigInteger primeExponentP;
  46. private BigInteger primeExponentQ;
  47. private BigInteger crtCoefficient;
  48. /**
  49. Constructs a new RSAPrivateKeySpec with the specified
  50. variables.
  51. @param modulus the RSA modulus
  52. @param publicExponent the public key exponent
  53. @param privateExponent the private key exponent
  54. @param primeP the prime P
  55. @param primeQ the prime Q
  56. @param primeExponentP the prime exponent P
  57. @param primeExponentQ the prime exponent P
  58. @param crtCoefficient the CRT coefficient
  59. */
  60. public RSAPrivateCrtKeySpec(BigInteger modulus,
  61. BigInteger publicExponent,
  62. BigInteger privateExponent,
  63. BigInteger primeP,
  64. BigInteger primeQ,
  65. BigInteger primeExponentP,
  66. BigInteger primeExponentQ,
  67. BigInteger crtCoefficient)
  68. {
  69. super( modulus, privateExponent);
  70. this.publicExponent = publicExponent;
  71. this.primeP = primeP;
  72. this.primeQ = primeQ;
  73. this.primeExponentP = primeExponentP;
  74. this.primeExponentQ = primeExponentQ;
  75. this.crtCoefficient = crtCoefficient;
  76. }
  77. /**
  78. Gets the RSA public exponent.
  79. @return the RSA public exponent
  80. */
  81. public BigInteger getPublicExponent()
  82. {
  83. return this.publicExponent;
  84. }
  85. /**
  86. Gets the RSA prime P.
  87. @return the RSA prime P
  88. */
  89. public BigInteger getPrimeP()
  90. {
  91. return this.primeP;
  92. }
  93. /**
  94. Gets the RSA prime Q.
  95. @return the RSA prime Q
  96. */
  97. public BigInteger getPrimeQ()
  98. {
  99. return this.primeQ;
  100. }
  101. /**
  102. Gets the RSA prime exponent P.
  103. @return the RSA prime exponent P
  104. */
  105. public BigInteger getPrimeExponentP()
  106. {
  107. return this.primeExponentP;
  108. }
  109. /**
  110. Gets the RSA prime exponent P.
  111. @return the RSA prime exponent Q
  112. */
  113. public BigInteger getPrimeExponentQ()
  114. {
  115. return this.primeExponentQ;
  116. }
  117. /**
  118. Gets the RSA CRT coefficient.
  119. @return the RSA CRT coefficient
  120. */
  121. public BigInteger getCrtCoefficient()
  122. {
  123. return this.crtCoefficient;
  124. }
  125. }