1 /* |
1 /* |
2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
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 |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. Oracle designates this |
7 * published by the Free Software Foundation. Oracle designates this |
41 |
41 |
42 public class RSAKeyGenParameterSpec implements AlgorithmParameterSpec { |
42 public class RSAKeyGenParameterSpec implements AlgorithmParameterSpec { |
43 |
43 |
44 private int keysize; |
44 private int keysize; |
45 private BigInteger publicExponent; |
45 private BigInteger publicExponent; |
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46 private AlgorithmParameterSpec keyParams; |
46 |
47 |
47 /** |
48 /** |
48 * The public-exponent value F0 = 3. |
49 * The public-exponent value F0 = 3. |
49 */ |
50 */ |
50 public static final BigInteger F0 = BigInteger.valueOf(3); |
51 public static final BigInteger F0 = BigInteger.valueOf(3); |
53 * The public exponent-value F4 = 65537. |
54 * The public exponent-value F4 = 65537. |
54 */ |
55 */ |
55 public static final BigInteger F4 = BigInteger.valueOf(65537); |
56 public static final BigInteger F4 = BigInteger.valueOf(65537); |
56 |
57 |
57 /** |
58 /** |
58 * Constructs a new {@code RSAParameterSpec} object from the |
59 * Constructs a new {@code RSAKeyGenParameterSpec} object from the |
59 * given keysize and public-exponent value. |
60 * given keysize, public-exponent value, and no key parameters. |
60 * |
61 * |
61 * @param keysize the modulus size (specified in number of bits) |
62 * @param keysize the modulus size (specified in number of bits) |
62 * @param publicExponent the public exponent |
63 * @param publicExponent the public exponent |
63 */ |
64 */ |
64 public RSAKeyGenParameterSpec(int keysize, BigInteger publicExponent) { |
65 public RSAKeyGenParameterSpec(int keysize, BigInteger publicExponent) { |
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66 this(keysize, publicExponent, null); |
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67 } |
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68 |
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69 /** |
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70 * Constructs a new {@code RSAKeyGenParameterSpec} object from the |
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71 * given keysize, public-exponent value, and key parameters. |
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72 * |
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73 * @param keysize the modulus size (specified in number of bits) |
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74 * @param publicExponent the public exponent |
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75 * @param keyParams the key parameters |
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76 * @since 11 |
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77 */ |
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78 public RSAKeyGenParameterSpec(int keysize, BigInteger publicExponent, |
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79 AlgorithmParameterSpec keyParams) { |
65 this.keysize = keysize; |
80 this.keysize = keysize; |
66 this.publicExponent = publicExponent; |
81 this.publicExponent = publicExponent; |
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82 this.keyParams = keyParams; |
67 } |
83 } |
68 |
84 |
69 /** |
85 /** |
70 * Returns the keysize. |
86 * Returns the keysize. |
71 * |
87 * |
81 * @return the public-exponent value. |
97 * @return the public-exponent value. |
82 */ |
98 */ |
83 public BigInteger getPublicExponent() { |
99 public BigInteger getPublicExponent() { |
84 return publicExponent; |
100 return publicExponent; |
85 } |
101 } |
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102 |
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103 /** |
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104 * Returns the parameters to be associated with key. |
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105 * |
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106 * @return the associated parameters, may be null if |
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107 * not present |
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108 * @since 11 |
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109 */ |
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110 public AlgorithmParameterSpec getKeyParams() { |
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111 return keyParams; |
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112 } |
86 } |
113 } |