36 #define ISVALID_SECPAR(secpar) (((secpar) % 16 == 0) && ((secpar) >= 16) && ((secpar) <= 16384))  argument
37 #define VALIDATE_SECPAR(secpar) assert(ISVALID_SECPAR(secpar));  argument
152 …_t gensquare(const gcry_mpi_t n, const void *seed, size_t seedlen, uint32_t idx, unsigned secpar) {  in gensquare()  argument
153         size_t buflen = secpar / 8;  in gensquare()
234 static void store_secpar(void *buf, uint16_t secpar) {  in store_secpar()  argument
235         secpar = secpar / 16 - 1;  in store_secpar()
236         ((uint8_t*) buf)[0] = (secpar >> 8) & 0xff;  in store_secpar()
237         ((uint8_t*) buf)[1] = (secpar >> 0) & 0xff;  in store_secpar()
241         uint16_t secpar;  in read_secpar()  local
242         secpar =  in read_secpar()
245         return 16 * (secpar + 1);  in read_secpar()
251         uint16_t secpar;  in FSPRG_GenMK()  local
254         secpar = _secpar;  in FSPRG_GenMK()
264         p = genprime3mod4(secpar / 2, seed, seedlen, RND_GEN_P);  in FSPRG_GenMK()
265         q = genprime3mod4(secpar / 2, seed, seedlen, RND_GEN_Q);  in FSPRG_GenMK()
268                 store_secpar(msk + 0, secpar);  in FSPRG_GenMK()
269                 mpi_export(msk + 2 + 0 * (secpar / 2) / 8, (secpar / 2) / 8, p);  in FSPRG_GenMK()
270                 mpi_export(msk + 2 + 1 * (secpar / 2) / 8, (secpar / 2) / 8, q);  in FSPRG_GenMK()
276                 assert(gcry_mpi_get_nbits(n) == secpar);  in FSPRG_GenMK()
278                 store_secpar(mpk + 0, secpar);  in FSPRG_GenMK()
279                 mpi_export(mpk + 2, secpar / 8, n);  in FSPRG_GenMK()
290         uint16_t secpar;  in FSPRG_GenState0()  local
294         secpar = read_secpar(mpk + 0);  in FSPRG_GenState0()
295         n = mpi_import(mpk + 2, secpar / 8);  in FSPRG_GenState0()
296         x = gensquare(n, seed, seedlen, RND_GEN_X, secpar);  in FSPRG_GenState0()
298         memcpy(state, mpk, 2 + secpar / 8);  in FSPRG_GenState0()
299         mpi_export(state + 2 + 1 * secpar / 8, secpar / 8, x);  in FSPRG_GenState0()
300         memzero(state + 2 + 2 * secpar / 8, 8);  in FSPRG_GenState0()
308         uint16_t secpar;  in FSPRG_Evolve()  local
313         secpar = read_secpar(state + 0);  in FSPRG_Evolve()
314         n = mpi_import(state + 2 + 0 * secpar / 8, secpar / 8);  in FSPRG_Evolve()
315         x = mpi_import(state + 2 + 1 * secpar / 8, secpar / 8);  in FSPRG_Evolve()
316         epoch = uint64_import(state + 2 + 2 * secpar / 8, 8);  in FSPRG_Evolve()
321         mpi_export(state + 2 + 1 * secpar / 8, secpar / 8, x);  in FSPRG_Evolve()
322         uint64_export(state + 2 + 2 * secpar / 8, 8, epoch);  in FSPRG_Evolve()
329         uint16_t secpar;  in FSPRG_GetEpoch()  local
330         secpar = read_secpar(state + 0);  in FSPRG_GetEpoch()
331         return uint64_import(state + 2 + 2 * secpar / 8, 8);  in FSPRG_GetEpoch()
336         uint16_t secpar;  in FSPRG_Seek()  local
340         secpar = read_secpar(msk + 0);  in FSPRG_Seek()
341         p  = mpi_import(msk + 2 + 0 * (secpar / 2) / 8, (secpar / 2) / 8);  in FSPRG_Seek()
342         q  = mpi_import(msk + 2 + 1 * (secpar / 2) / 8, (secpar / 2) / 8);  in FSPRG_Seek()
347         x = gensquare(n, seed, seedlen, RND_GEN_X, secpar);  in FSPRG_Seek()
358         store_secpar(state + 0, secpar);  in FSPRG_Seek()
359         mpi_export(state + 2 + 0 * secpar / 8, secpar / 8, n);  in FSPRG_Seek()
360         mpi_export(state + 2 + 1 * secpar / 8, secpar / 8, xm);  in FSPRG_Seek()
361         uint64_export(state + 2 + 2 * secpar / 8, 8, epoch);  in FSPRG_Seek()
375         uint16_t secpar;  in FSPRG_GetKey()  local
379         secpar = read_secpar(state + 0);  in FSPRG_GetKey()
380         det_randomize(key, keylen, state + 2, 2 * secpar / 8 + 8, idx);  in FSPRG_GetKey()