1 /* ***** BEGIN LICENSE BLOCK *****
2 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 * The contents of this file are subject to the Mozilla Public License Version
5 * 1.1 (the "License"); you may not use this file except in compliance with
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9 * Software distributed under the License is distributed on an "AS IS" basis,
10 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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14 * The Original Code is the Netscape security libraries.
16 * The Initial Developer of the Original Code is
17 * Netscape Communications Corporation.
18 * Portions created by the Initial Developer are Copyright (C) 1994-2001
19 * the Initial Developer. All Rights Reserved.
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35 * ***** END LICENSE BLOCK ***** */
36 /* Thse functions are stub functions which will get replaced with calls through
47 /* Generate PQGParams and PQGVerify structs.
48 * Length of seed and length of h both equal length of P.
49 * All lengths are specified by "j", according to the table above.
51 extern SECStatus PK11_PQG_ParamGen(unsigned int j, PQGParams **pParams,
54 /* Generate PQGParams and PQGVerify structs.
55 * Length of P specified by j. Length of h will match length of P.
56 * Length of SEED in bytes specified in seedBytes.
57 * seedBbytes must be in the range [20..255] or an error will result.
59 extern SECStatus PK11_PQG_ParamGenSeedLen( unsigned int j,
60 unsigned int seedBytes, PQGParams **pParams, PQGVerify **pVfy);
62 /* Test PQGParams for validity as DSS PQG values.
63 * If vfy is non-NULL, test PQGParams to make sure they were generated
64 * using the specified seed, counter, and h values.
66 * Return value indicates whether Verification operation ran successfully
67 * to completion, but does not indicate if PQGParams are valid or not.
68 * If return value is SECSuccess, then *pResult has these meanings:
69 * SECSuccess: PQGParams are valid.
70 * SECFailure: PQGParams are invalid.
72 * Verify the following 12 facts about PQG counter SEED g and h
73 * 1. Q is 160 bits long.
74 * 2. P is one of the 9 valid lengths.
79 * Steps 7-12 are done only if the optional PQGVerify is supplied.
81 * 8. g >= 160 and g < 2048 (g is length of seed in bits)
82 * 9. Q generated from SEED matches Q in PQGParams.
83 * 10. P generated from (L, counter, g, SEED, Q) matches P in PQGParams.
85 * 12. G generated from h matches G in PQGParams.
88 extern SECStatus PK11_PQG_VerifyParams(const PQGParams *params,
89 const PQGVerify *vfy, SECStatus *result);
90 extern void PK11_PQG_DestroyParams(PQGParams *params);
91 extern void PK11_PQG_DestroyVerify(PQGVerify *vfy);
93 /**************************************************************************
94 * Return a pointer to a new PQGParams struct that is constructed from *
95 * copies of the arguments passed in. *
96 * Return NULL on failure. *
97 **************************************************************************/
98 extern PQGParams * PK11_PQG_NewParams(const SECItem * prime, const
99 SECItem * subPrime, const SECItem * base);
102 /**************************************************************************
103 * Fills in caller's "prime" SECItem with the prime value in params.
104 * Contents can be freed by calling SECITEM_FreeItem(prime, PR_FALSE);
105 **************************************************************************/
106 extern SECStatus PK11_PQG_GetPrimeFromParams(const PQGParams *params,
110 /**************************************************************************
111 * Fills in caller's "subPrime" SECItem with the prime value in params.
112 * Contents can be freed by calling SECITEM_FreeItem(subPrime, PR_FALSE);
113 **************************************************************************/
114 extern SECStatus PK11_PQG_GetSubPrimeFromParams(const PQGParams *params,
118 /**************************************************************************
119 * Fills in caller's "base" SECItem with the base value in params.
120 * Contents can be freed by calling SECITEM_FreeItem(base, PR_FALSE);
121 **************************************************************************/
122 extern SECStatus PK11_PQG_GetBaseFromParams(const PQGParams *params,
126 /**************************************************************************
127 * Return a pointer to a new PQGVerify struct that is constructed from *
128 * copies of the arguments passed in. *
129 * Return NULL on failure. *
130 **************************************************************************/
131 extern PQGVerify * PK11_PQG_NewVerify(unsigned int counter,
132 const SECItem * seed, const SECItem * h);
135 /**************************************************************************
136 * Returns "counter" value from the PQGVerify.
137 **************************************************************************/
138 extern unsigned int PK11_PQG_GetCounterFromVerify(const PQGVerify *verify);
140 /**************************************************************************
141 * Fills in caller's "seed" SECItem with the seed value in verify.
142 * Contents can be freed by calling SECITEM_FreeItem(seed, PR_FALSE);
143 **************************************************************************/
144 extern SECStatus PK11_PQG_GetSeedFromVerify(const PQGVerify *verify,
147 /**************************************************************************
148 * Fills in caller's "h" SECItem with the h value in verify.
149 * Contents can be freed by calling SECITEM_FreeItem(h, PR_FALSE);
150 **************************************************************************/
151 extern SECStatus PK11_PQG_GetHFromVerify(const PQGVerify *verify, SECItem * h);