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/* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ /* Thse functions are stub functions which will get replaced with calls through * PKCS #11. */ #ifndef _PK11PQG_H_ #define _PK11PQG_H_ 1 #include "blapit.h" SEC_BEGIN_PROTOS /* Generate PQGParams and PQGVerify structs. * Length of seed and length of h both equal length of P. * All lengths are specified by "j", according to the table above. */ extern SECStatus PK11_PQG_ParamGen(unsigned int j, PQGParams **pParams, PQGVerify **pVfy); /* Generate PQGParams and PQGVerify structs. * Length of P specified by j. Length of h will match length of P. * Length of SEED in bytes specified in seedBytes. * seedBbytes must be in the range [20..255] or an error will result. */ extern SECStatus PK11_PQG_ParamGenSeedLen(unsigned int j, unsigned int seedBytes, PQGParams **pParams, PQGVerify **pVfy); /* Generate PQGParams and PQGVerify structs. * Length of P specified by L. * if L is greater than 1024 then the resulting verify parameters will be * DSA2. * Length of Q specified by N. If zero, The PKCS #11 module will * pick an appropriately sized Q for L. If N is specified and L = 1024, then * the resulting verify parameters will be DSA2, Otherwise DSA1 parameters * will be returned. * Length of SEED in bytes specified in seedBytes. * * The underlying PKCS #11 module will check the values for L, N, * and seedBytes. The rules for softoken are: * * If L <= 1024, then L must be between 512 and 1024 in increments of 64 bits. * If L <= 1024, then N must be 0 or 160. * If L >= 1024, then L and N must match the following table: * L=1024 N=0 or 160 * L=2048 N=0 or 224 * L=2048 N=256 * L=3072 N=0 or 256 * if L <= 1024 * seedBbytes must be in the range [20..256]. * if L >= 1024 * seedBbytes must be in the range [20..L/16]. */ extern SECStatus PK11_PQG_ParamGenV2(unsigned int L, unsigned int N, unsigned int seedBytes, PQGParams **pParams, PQGVerify **pVfy); /* Test PQGParams for validity as DSS PQG values. * If vfy is non-NULL, test PQGParams to make sure they were generated * using the specified seed, counter, and h values. * * Return value indicates whether Verification operation ran successfully * to completion, but does not indicate if PQGParams are valid or not. * If return value is SECSuccess, then *pResult has these meanings: * SECSuccess: PQGParams are valid. * SECFailure: PQGParams are invalid. * * Verify the following 12 facts about PQG counter SEED g and h * These tests are specified in FIPS 186-3 Appendix A.1.1.1, A.1.1.3, and A.2.2 * PQG_VerifyParams in softoken/freebl will automatically choose the * appropriate test. */ extern SECStatus PK11_PQG_VerifyParams(const PQGParams *params, const PQGVerify *vfy, SECStatus *result); extern void PK11_PQG_DestroyParams(PQGParams *params); extern void PK11_PQG_DestroyVerify(PQGVerify *vfy); /************************************************************************** * Return a pointer to a new PQGParams struct that is constructed from * * copies of the arguments passed in. * * Return NULL on failure. * **************************************************************************/ extern PQGParams *PK11_PQG_NewParams(const SECItem *prime, const SECItem *subPrime, const SECItem *base); /************************************************************************** * Fills in caller's "prime" SECItem with the prime value in params. * Contents can be freed by calling SECITEM_FreeItem(prime, PR_FALSE); **************************************************************************/ extern SECStatus PK11_PQG_GetPrimeFromParams(const PQGParams *params, SECItem *prime); /************************************************************************** * Fills in caller's "subPrime" SECItem with the prime value in params. * Contents can be freed by calling SECITEM_FreeItem(subPrime, PR_FALSE); **************************************************************************/ extern SECStatus PK11_PQG_GetSubPrimeFromParams(const PQGParams *params, SECItem *subPrime); /************************************************************************** * Fills in caller's "base" SECItem with the base value in params. * Contents can be freed by calling SECITEM_FreeItem(base, PR_FALSE); **************************************************************************/ extern SECStatus PK11_PQG_GetBaseFromParams(const PQGParams *params, SECItem *base); /************************************************************************** * Return a pointer to a new PQGVerify struct that is constructed from * * copies of the arguments passed in. * * Return NULL on failure. * **************************************************************************/ extern PQGVerify *PK11_PQG_NewVerify(unsigned int counter, const SECItem *seed, const SECItem *h); /************************************************************************** * Returns "counter" value from the PQGVerify. **************************************************************************/ extern unsigned int PK11_PQG_GetCounterFromVerify(const PQGVerify *verify); /************************************************************************** * Fills in caller's "seed" SECItem with the seed value in verify. * Contents can be freed by calling SECITEM_FreeItem(seed, PR_FALSE); **************************************************************************/ extern SECStatus PK11_PQG_GetSeedFromVerify(const PQGVerify *verify, SECItem *seed); /************************************************************************** * Fills in caller's "h" SECItem with the h value in verify. * Contents can be freed by calling SECITEM_FreeItem(h, PR_FALSE); **************************************************************************/ extern SECStatus PK11_PQG_GetHFromVerify(const PQGVerify *verify, SECItem *h); SEC_END_PROTOS #endif