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 Boris V. Kuznetsov
20: * @version $Revision$
21: */package java.security;
22:
23: import java.io.Serializable;
24:
25: /**
26: * This class is a Service Provider Interface (therefore the Spi suffix) for
27: * secure random number generation algorithms to be supplied by providers.
28: *
29: */
30: public abstract class SecureRandomSpi implements Serializable {
31:
32: /**
33: * @com.intel.drl.spec_ref
34: *
35: */
36: private static final long serialVersionUID = -2991854161009191830L;
37:
38: /**
39: * @com.intel.drl.spec_ref
40: *
41: */
42: protected abstract void engineSetSeed(byte[] seed);
43:
44: /**
45: * @com.intel.drl.spec_ref
46: *
47: */
48: protected abstract void engineNextBytes(byte[] bytes);
49:
50: /**
51: * @com.intel.drl.spec_ref
52: *
53: */
54: protected abstract byte[] engineGenerateSeed(int numBytes);
55: }
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