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# | Location | File | Last Modified |
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1 | build 3.zip\build 3\MHLTH_YS_137_Source\JavaScript\resources\javaJDF-1.8.0\src\sun\security\internal\spec | TlsPrfParameterSpec.java | Mon Jan 22 14:46:54 2018 UTC |
2 | build 3.zip\build 3\MHLTH_YS_137_Source\JavaScript\resources\javaJDF-1.8.0\src\sun\security\internal\spec | TlsPrfParameterSpec.java | Wed Sep 12 17:51:34 2018 UTC |
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1 | /* | |
2 | * Copyrig ht (c) 200 5, 2010, O racle and/ or its aff iliates. A ll rights reserved. | |
3 | * DO NOT ALTER OR R EMOVE COPY RIGHT NOTI CES OR THI S FILE HEA DER. | |
4 | * | |
5 | * This co de is free software; you can r edistribut e it and/o r modify i t | |
6 | * under t he terms o f the GNU General Pu blic Licen se version 2 only, a s | |
7 | * publish ed by the Free Softw are Founda tion. Ora cle design ates this | |
8 | * particu lar file a s subject to the "Cl asspath" e xception a s provided | |
9 | * by Orac le in the LICENSE fi le that ac companied this code. | |
10 | * | |
11 | * This co de is dist ributed in the hope that it wi ll be usef ul, but WI THOUT | |
12 | * ANY WAR RANTY; wit hout even the implie d warranty of MERCHA NTABILITY or | |
13 | * FITNESS FOR A PAR TICULAR PU RPOSE. Se e the GNU General Pu blic Licen se | |
14 | * version 2 for mor e details (a copy is included in the LIC ENSE file that | |
15 | * accompa nied this code). | |
16 | * | |
17 | * You sho uld have r eceived a copy of th e GNU Gene ral Public License v ersion | |
18 | * 2 along with this work; if not, write to the Fr ee Softwar e Foundati on, | |
19 | * Inc., 5 1 Franklin St, Fifth Floor, Bo ston, MA 0 2110-1301 USA. | |
20 | * | |
21 | * Please contact Or acle, 500 Oracle Par kway, Redw ood Shores , CA 94065 USA | |
22 | * or visi t www.orac le.com if you need a dditional informatio n or have any | |
23 | * questio ns. | |
24 | */ | |
25 | ||
26 | package su n.security .internal. spec; | |
27 | ||
28 | import jav a.security .spec.Algo rithmParam eterSpec; | |
29 | ||
30 | import jav ax.crypto. SecretKey; | |
31 | ||
32 | /** | |
33 | * Paramet ers for th e TLS PRF (pseudo-ra ndom funct ion). The PRF functi on | |
34 | * is defi ned in RFC 2246. | |
35 | * This cl ass is use d to initi alize KeyG enerators of the typ e "TlsPrf" . | |
36 | * | |
37 | * <p>Inst ances of t his class are immuta ble. | |
38 | * | |
39 | * @since 1.6 | |
40 | * @author Andreas Sterbenz | |
41 | * @deprec ated Sun J DK interna l use only --- WILL BE REMOVED in a futu re | |
42 | * release . | |
43 | */ | |
44 | @Deprecate d | |
45 | public cla ss TlsPrfP arameterSp ec impleme nts Algori thmParamet erSpec { | |
46 | ||
47 | private fi nal Secret Key PW ; | |
48 | privat e final St ring label ; | |
49 | privat e final by te[] seed; | |
50 | privat e final in t outputLe ngth; | |
51 | privat e final St ring prfHa shAlg; | |
52 | privat e final in t prfHashL ength; | |
53 | privat e final in t prfBlock Size; | |
54 | ||
55 | /** | |
56 | * Con structs a new TlsPrf ParameterS pec. | |
57 | * | |
58 | * @param PW the PW to use in the calcul ation (or null) | |
59 | * @pa ram label the label to use in the calcul ation | |
60 | * @pa ram seed t he random seed to us e in the c alculation | |
61 | * @pa ram output Length the length in bytes of the output key to be produced | |
62 | * @pa ram prfHas hAlg the n ame of the TLS PRF h ash algori thm to use . | |
63 | * Used o nly for TL S 1.2+. T LS1.1 and earlier us e a fixed PRF. | |
64 | * @pa ram prfHas hLength th e output l ength of t he TLS PRF hash algo rithm. | |
65 | * Used o nly for TL S 1.2+. | |
66 | * @pa ram prfBlo ckSize the input blo ck size of the TLS P RF hash al gorithm. | |
67 | * Used o nly for TL S 1.2+. | |
68 | * | |
69 | * @th rows NullP ointerExce ption if l abel or se ed is null | |
70 | * @th rows Illeg alArgument Exception if outputL ength is n egative | |
71 | */ | |
72 | public Tls PrfParamet erSpec(Sec retKey PW , String l abel, | |
73 | byte[] s eed, int o utputLengt h, | |
74 | String p rfHashAlg, int prfHa shLength, int prfBlo ckSize) { | |
75 | if ((label = = null) || (seed == null)) { | |
76 | throw ne w NullPoin terExcepti on("label and seed m ust not be null"); | |
77 | } | |
78 | if (outputLe ngth <= 0) { | |
79 | throw ne w IllegalA rgumentExc eption("ou tputLength must be p ositive"); | |
80 | } | |
81 | this. PW = PW ; | |
82 | th is.label = label; | |
83 | th is.seed = seed.clone (); | |
84 | th is.outputL ength = ou tputLength ; | |
85 | th is.prfHash Alg = prfH ashAlg; | |
86 | th is.prfHash Length = p rfHashLeng th; | |
87 | th is.prfBloc kSize = pr fBlockSize ; | |
88 | } | |
89 | ||
90 | /** | |
91 | * Returns the PW to use in the PRF ca lculation, or null i f there is no | |
92 | * PW . | |
93 | * | |
94 | * @return the PW to use in the PRF ca lculation, or null i f there is no | |
95 | * PW . | |
96 | */ | |
97 | public SecretKey getSecret () { | |
98 | return PW ; | |
99 | } | |
100 | ||
101 | /** | |
102 | * Ret urns the l abel to us e in the P RF calcuat ion. | |
103 | * | |
104 | * @re turn the l abel to us e in the P RF calcuat ion. | |
105 | */ | |
106 | public String ge tLabel() { | |
107 | re turn label ; | |
108 | } | |
109 | ||
110 | /** | |
111 | * Ret urns a cop y of the s eed to use in the PR F calcuati on. | |
112 | * | |
113 | * @re turn a cop y of the s eed to use in the PR F calcuati on. | |
114 | */ | |
115 | public byte[] ge tSeed() { | |
116 | re turn seed. clone(); | |
117 | } | |
118 | ||
119 | /** | |
120 | * Ret urns the l ength in b ytes of th e output k ey to be p roduced. | |
121 | * | |
122 | * @re turn the l ength in b ytes of th e output k ey to be p roduced. | |
123 | */ | |
124 | public int getOu tputLength () { | |
125 | re turn outpu tLength; | |
126 | } | |
127 | ||
128 | /** | |
129 | * Obt ains the P RF hash al gorithm to use in th e PRF calc ulation. | |
130 | * | |
131 | * @re turn the h ash algori thm, or nu ll if no a lgorithm w as specifi ed. | |
132 | */ | |
133 | public String ge tPRFHashAl g() { | |
134 | re turn prfHa shAlg; | |
135 | } | |
136 | ||
137 | /** | |
138 | * Obt ains the l ength of P RF hash al gorithm. | |
139 | * | |
140 | * It would have been pref erred to u se Message Digest.get DigestLeng th(), | |
141 | * but the API d oes not re quire impl ementation s to suppo rt the met hod. | |
142 | * | |
143 | * @re turn the h ash algori thm length . | |
144 | */ | |
145 | public int getPR FHashLengt h() { | |
146 | re turn prfHa shLength; | |
147 | } | |
148 | ||
149 | /** | |
150 | * Obt ains the l ength of P RF hash al gorithm. | |
151 | * | |
152 | * @re turn the h ash algori thm length . | |
153 | */ | |
154 | public int getPR FBlockSize () { | |
155 | re turn prfBl ockSize; | |
156 | } | |
157 | } |
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