author | wetmore |
Fri, 11 May 2018 15:53:12 -0700 | |
branch | JDK-8145252-TLS13-branch |
changeset 56542 | 56aaa6cb3693 |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
2 | 1 |
/* |
56542 | 2 |
* Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved. |
2 | 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 |
|
5506 | 7 |
* published by the Free Software Foundation. Oracle designates this |
2 | 8 |
* particular file as subject to the "Classpath" exception as provided |
5506 | 9 |
* by Oracle in the LICENSE file that accompanied this code. |
2 | 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 |
* |
|
5506 | 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 |
|
23 |
* questions. |
|
2 | 24 |
*/ |
25 |
||
26 |
package javax.crypto.spec; |
|
27 |
||
28 |
/** |
|
29 |
* This class specifies the source for encoding input P in OAEP Padding, |
|
30 |
* as defined in the |
|
56542 | 31 |
* <a href="https://tools.ietf.org/rfc/rfc8017.txt">PKCS#1 v2.2</a> standard. |
32 |
* <pre> |
|
33 |
* PSourceAlgorithm ::= AlgorithmIdentifier { |
|
34 |
* {PKCS1PSourceAlgorithms} |
|
35 |
* } |
|
36 |
* </pre> |
|
37 |
* where |
|
2 | 38 |
* <pre> |
39 |
* PKCS1PSourceAlgorithms ALGORITHM-IDENTIFIER ::= { |
|
56542 | 40 |
* { OID id-pSpecified PARAMETERS EncodingParameters }, |
2 | 41 |
* ... -- Allows for future expansion -- |
42 |
* } |
|
56542 | 43 |
* EncodingParameters ::= OCTET STRING(SIZE(0..MAX)) |
2 | 44 |
* </pre> |
45 |
* @author Valerie Peng |
|
46 |
* |
|
47 |
* @since 1.5 |
|
48 |
*/ |
|
49 |
public class PSource { |
|
50 |
||
51 |
private String pSrcName; |
|
52 |
||
53 |
/** |
|
54 |
* Constructs a source of the encoding input P for OAEP |
|
55 |
* padding as defined in the PKCS #1 standard using the |
|
56 |
* specified PSource algorithm. |
|
57 |
* @param pSrcName the algorithm for the source of the |
|
58 |
* encoding input P. |
|
59 |
* @exception NullPointerException if <code>pSrcName</code> |
|
60 |
* is null. |
|
61 |
*/ |
|
62 |
protected PSource(String pSrcName) { |
|
63 |
if (pSrcName == null) { |
|
64 |
throw new NullPointerException("pSource algorithm is null"); |
|
65 |
} |
|
66 |
this.pSrcName = pSrcName; |
|
67 |
} |
|
68 |
/** |
|
69 |
* Returns the PSource algorithm name. |
|
70 |
* |
|
71 |
* @return the PSource algorithm name. |
|
72 |
*/ |
|
73 |
public String getAlgorithm() { |
|
74 |
return pSrcName; |
|
75 |
} |
|
76 |
||
77 |
/** |
|
78 |
* This class is used to explicitly specify the value for |
|
79 |
* encoding input P in OAEP Padding. |
|
80 |
* |
|
81 |
* @since 1.5 |
|
82 |
*/ |
|
83 |
public static final class PSpecified extends PSource { |
|
84 |
||
85 |
private byte[] p = new byte[0]; |
|
86 |
||
87 |
/** |
|
88 |
* The encoding input P whose value equals byte[0]. |
|
89 |
*/ |
|
90 |
public static final PSpecified DEFAULT = new PSpecified(new byte[0]); |
|
91 |
||
92 |
/** |
|
93 |
* Constructs the source explicitly with the specified |
|
94 |
* value <code>p</code> as the encoding input P. |
|
95 |
* Note: |
|
96 |
* @param p the value of the encoding input. The contents |
|
97 |
* of the array are copied to protect against subsequent |
|
98 |
* modification. |
|
99 |
* @exception NullPointerException if <code>p</code> is null. |
|
100 |
*/ |
|
101 |
public PSpecified(byte[] p) { |
|
102 |
super("PSpecified"); |
|
10336
0bb1999251f8
7064075: Security libraries don't build with javac -Xlint:all,-deprecation -Werror
jjg
parents:
5506
diff
changeset
|
103 |
this.p = p.clone(); |
2 | 104 |
} |
105 |
/** |
|
106 |
* Returns the value of encoding input P. |
|
107 |
* @return the value of encoding input P. A new array is |
|
108 |
* returned each time this method is called. |
|
109 |
*/ |
|
110 |
public byte[] getValue() { |
|
10336
0bb1999251f8
7064075: Security libraries don't build with javac -Xlint:all,-deprecation -Werror
jjg
parents:
5506
diff
changeset
|
111 |
return (p.length==0? p: p.clone()); |
2 | 112 |
} |
113 |
} |
|
114 |
} |