01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * 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: /**
19: * @author Vera Y. Petrashkova
20: * @version $Revision$
21: */package javax.crypto;
22:
23: import java.security.InvalidAlgorithmParameterException;
24: import java.security.InvalidKeyException;
25: import java.security.Key;
26: import java.security.NoSuchAlgorithmException;
27: import java.security.SecureRandom;
28: import java.security.spec.AlgorithmParameterSpec;
29:
30: /**
31: * @com.intel.drl.spec_ref
32: *
33: */
34: public abstract class KeyAgreementSpi {
35: /**
36: * @com.intel.drl.spec_ref
37: *
38: */
39:
40: public KeyAgreementSpi() {
41: }
42:
43: /**
44: * @com.intel.drl.spec_ref
45: *
46: */
47: protected abstract Key engineDoPhase(Key key, boolean lastPhase)
48: throws InvalidKeyException, IllegalStateException;
49:
50: /**
51: * @com.intel.drl.spec_ref
52: *
53: */
54: protected abstract byte[] engineGenerateSecret()
55: throws IllegalStateException;
56:
57: /**
58: * @com.intel.drl.spec_ref
59: *
60: */
61: protected abstract int engineGenerateSecret(byte[] sharedSecret,
62: int offset) throws IllegalStateException,
63: ShortBufferException;
64:
65: /**
66: * @com.intel.drl.spec_ref
67: *
68: */
69: protected abstract SecretKey engineGenerateSecret(String algorithm)
70: throws IllegalStateException, NoSuchAlgorithmException,
71: InvalidKeyException;
72:
73: /**
74: * @com.intel.drl.spec_ref
75: *
76: */
77: protected abstract void engineInit(Key key, SecureRandom random)
78: throws InvalidKeyException;
79:
80: /**
81: * @com.intel.drl.spec_ref
82: *
83: */
84: protected abstract void engineInit(Key key,
85: AlgorithmParameterSpec params, SecureRandom random)
86: throws InvalidKeyException,
87: InvalidAlgorithmParameterException;
88: }
|