1 /*
2 * Copyright (c) 1997, 2017, 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
59 */
60
61 public abstract class AlgorithmParameterGeneratorSpi {
62
63 /**
64 * Initializes this parameter generator for a certain size
65 * and source of randomness.
66 *
67 * @param size the size (number of bits).
68 * @param random the source of randomness.
69 */
70 protected abstract void engineInit(int size, SecureRandom random);
71
72 /**
73 * Initializes this parameter generator with a set of
74 * algorithm-specific parameter generation values.
75 *
76 * @param genParamSpec the set of algorithm-specific parameter generation values.
77 * @param random the source of randomness.
78 *
79 * @exception InvalidAlgorithmParameterException if the given parameter
80 * generation values are inappropriate for this parameter generator.
81 */
82 protected abstract void engineInit(AlgorithmParameterSpec genParamSpec,
83 SecureRandom random)
84 throws InvalidAlgorithmParameterException;
85
86 /**
87 * Generates the parameters.
88 *
89 * @return the new AlgorithmParameters object.
90 */
91 protected abstract AlgorithmParameters engineGenerateParameters();
92 }
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1 /*
2 * Copyright (c) 1997, 2019, 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
59 */
60
61 public abstract class AlgorithmParameterGeneratorSpi {
62
63 /**
64 * Initializes this parameter generator for a certain size
65 * and source of randomness.
66 *
67 * @param size the size (number of bits).
68 * @param random the source of randomness.
69 */
70 protected abstract void engineInit(int size, SecureRandom random);
71
72 /**
73 * Initializes this parameter generator with a set of
74 * algorithm-specific parameter generation values.
75 *
76 * @param genParamSpec the set of algorithm-specific parameter generation values.
77 * @param random the source of randomness.
78 *
79 * @throws InvalidAlgorithmParameterException if the given parameter
80 * generation values are inappropriate for this parameter generator.
81 */
82 protected abstract void engineInit(AlgorithmParameterSpec genParamSpec,
83 SecureRandom random)
84 throws InvalidAlgorithmParameterException;
85
86 /**
87 * Generates the parameters.
88 *
89 * @return the new AlgorithmParameters object.
90 */
91 protected abstract AlgorithmParameters engineGenerateParameters();
92 }
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