Lines Matching refs:a
170 #define add(c1, c0, a, b) \ argument
175 _t = a + b; \
176 c1 = (uint32_t)(_t < a); \
181 #define add_cout(carry, c, a, b) add((carry), (c), (a), (b)) argument
183 #define add_cout_cin(carryout, c, a, b, carryin) \ argument
186 uint64_t _t = (uint64_t)(a) + (b) + (carryin); \
191 #define sub_borrowout(borrow, c, a, b) \ argument
194 uint32_t _b = (uint32_t)((b) > (a)); \
195 (c) = (a) - (b); \
199 #define sub_borrowin_borrowout(borrowout, c, a, b, borrowin) \ argument
203 sub_borrowout(_borrow1, _t, (a), (b)); \
208 #define sub_borrowout_1(borrow, c, a) \ argument
212 c = a - b; \
216 #define sub_borrowin_borrowout_1(borrowout, c, a, borrowin) \ argument
220 sub_borrowout_1(_borrow1, _t, a); \
228 #define mul(c1, c0, a, b) \ argument
233 __m = (uint64_t)a * (uint64_t)b; \
242 #define muladd(c1, c0, a, b) \ argument
247 mul(c1, c0, a, b); \
256 #define muladdadd(c1, c0, a, b) \ argument
261 mul(c1, c0, a, b); \
269 #define square_casper(c, a) multiply_casper(c, a, a) argument
270 #define sub_casper(c, a, b) CASPER_montsub(c, a, b, &CASPER_MEM[(N_wordlen + 4U)]) argument
271 #define add_casper(c, a, b) CASPER_montadd(c, a, b, &CASPER_MEM[(N_wordlen + 4U)]) argument
272 #define mul2_casper(c, a) add_casper(c, a, a) argument
273 #define half(c, a, b) CASPER_half(c, a, b) argument
402 static void invert_mod_p384(uint32_t *c, uint32_t *a);
405 static void invert_mod_p256(uint32_t *c, uint32_t *a);
408 static void invert_mod_p521(uint32_t *c, uint32_t *a);
419 static void CASPER_half(uint32_t *c, uint32_t *a, uint32_t *b);
423 static void multiply_casper(uint32_t w_out[], const uint32_t a[], const uint32_t b[]);
431 static void casper_select(uint32_t *c, uint32_t *a, uint32_t *b, int m, int n);
434 static uint32_t add_n_1(uint32_t *c, uint32_t *a, uint32_t b, int n);
438 static uint32_t add_n(uint32_t *c, uint32_t *a, uint32_t *b, int n);
441 static uint32_t sub_n_1(uint32_t *c, uint32_t *a, uint32_t b, int n);
445 static uint32_t sub_n(uint32_t *c, uint32_t *a, uint32_t *b, int n);
463 …unsigned w_out[], const unsigned a[], const unsigned b[], const unsigned Nmod[], const unsigned *N…
467 …uint32_t w_out[], const uint32_t a[], const uint32_t b[], const uint32_t Nmod[], const uint32_t *N…
470 …uint32_t w_out[], const uint32_t a[], const uint32_t b[], const uint32_t Nmod[], const uint32_t *N…
567 static void casper_select(uint32_t *c, uint32_t *a, uint32_t *b, int m, int n) in casper_select() argument
574 SET_WORD(&c[i], (GET_WORD(&a[i]) & m2) | (GET_WORD(&b[i]) & m1)); in casper_select()
830 …unsigned w_out[], const unsigned a[], const unsigned b[], const unsigned Nmod[], const unsigned *N… in MultprecCiosMul() argument
841 a64 = (uint64_t *)(uintptr_t)a; in MultprecCiosMul()
846 if (a != NULL) in MultprecCiosMul()
859 if (a != NULL) in MultprecCiosMul()
1123 …uint8_t a[((CASPER_MAX_ECC_SIZE_WORDLEN + 4U) - CASPER_MAX_ECC_SIZE_WORDLEN) * sizeof(uint32_t)] =… in CASPER_ecc_init() local
1124 …CASPER_MEMCPY(&CASPER_MEM[(N_wordlen + 4U) + N_wordlen], a, ((N_wordlen + 4U) - N_wordlen) * sizeo… in CASPER_ecc_init()
1129 uint32_t a[CASPER_MAX_ECC_SIZE_WORDLEN] = {0}; in CASPER_ECC_equal() local
1132 CASPER_MEMCPY(a, op1, N_wordlen * sizeof(uint32_t)); in CASPER_ECC_equal()
1138 c = (a[0] ^ b[0]); in CASPER_ECC_equal()
1141 c |= (a[_i] ^ b[_i]); in CASPER_ECC_equal()
1150 uint32_t a[CASPER_MAX_ECC_SIZE_WORDLEN] = {0}; in CASPER_ECC_equal_to_zero() local
1152 CASPER_MEMCPY(a, op1, N_wordlen * sizeof(uint32_t)); in CASPER_ECC_equal_to_zero()
1157 c = a[0]; in CASPER_ECC_equal_to_zero()
1160 c |= a[_i]; in CASPER_ECC_equal_to_zero()
1621 …uint32_t w_out[], const uint32_t a[], const uint32_t b[], const uint32_t Nmod[], const uint32_t *N… in MultprecCiosMul_ct() argument
1632 a64 = (uint64_t *)(uintptr_t)a; in MultprecCiosMul_ct()
1637 if (a != NULL) in MultprecCiosMul_ct()
1650 if (a != NULL) in MultprecCiosMul_ct()
1770 static void CASPER_half(uint32_t *c, uint32_t *a, uint32_t *b) in CASPER_half() argument
1772 shiftright(b, a, 1U); /* Compute a/2 and (a+p)/2 */ in CASPER_half()
1775 CASPER_MEMCPY(c, a, N_wordlen * sizeof(uint32_t)); in CASPER_half()
1787 … casper_select(c, b, c, (int32_t)(uint32_t)(GET_WORD(&a[0]) & 1U), (int16_t)(uint16_t)(N_wordlen)); in CASPER_half()
1905 static void multiply_casper(uint32_t w_out[], const uint32_t a[], const uint32_t b[]) in multiply_casper() argument
1912 MultprecCiosMul_ct(w_out, a, b, &CASPER_MEM[(N_wordlen + 4U)], Np); in multiply_casper()
1917 MultprecCiosMul_ct(w_out, a, b, &CASPER_MEM[(N_wordlen + 4U)], Np); in multiply_casper()
1923 MultprecCiosMul521_ct(w_out, a, b, &CASPER_MEM[(N_wordlen + 4U)], Np); in multiply_casper()
2203 static uint32_t sub_n(uint32_t *c, uint32_t *a, uint32_t *b, int n) in sub_n() argument
2207 sub_borrowout(borrow, GET_WORD(&c[0]), a[0], GET_WORD(&b[0])); in sub_n()
2210 sub_borrowin_borrowout(borrow, GET_WORD(&c[i]), a[i], GET_WORD(&b[i]), borrow); in sub_n()
2217 static uint32_t sub_n_1(uint32_t *c, uint32_t *a, uint32_t b, int n) {
2220 sub_borrowout(borrow, c[0], a[0], b);
2222 sub_borrowin_borrowout_1(borrow, c[i], a[i], borrow);
2228 static uint32_t add_n(uint32_t *c, uint32_t *a, uint32_t *b, int n) {
2231 add_cout(carry, c[0], a[0], b[0]);
2233 add_cout_cin(carry, c[i], a[i], b[i], carry);
2240 static uint32_t add_n_1(uint32_t *c, uint32_t *a, uint32_t b, int n) in add_n_1() argument
2244 add_cout(carry, c[0], a[0], b); in add_n_1()
2247 add_cout_cin(carry, c[i], a[i], 0U, carry); in add_n_1()
2809 static void invert_mod_p256(uint32_t *c, uint32_t *a) in invert_mod_p256() argument
2838 square_casper(tmp, a); in invert_mod_p256()
2839 multiply_casper(t2, tmp, a); in invert_mod_p256()
2882 multiply_casper(tmp, t, a); in invert_mod_p256()
2932 multiply_casper(c, tmp, a); in invert_mod_p256()
2966 static void invert_mod_p384(uint32_t *c, uint32_t *a) in invert_mod_p384() argument
2986 square_casper(tmp, a); // 2 in invert_mod_p384()
2990 multiply_casper(d, a, t2); // 13 in invert_mod_p384()
2991 multiply_casper(e, d, a); // 14 in invert_mod_p384()
2992 multiply_casper(t0, e, a); // 15 in invert_mod_p384()
3185 static void invert_mod_p521(uint32_t *c, uint32_t *a) in invert_mod_p521() argument
3200 square_casper(d2, a); in invert_mod_p521()
3201 multiply_casper(T2, d2, a); in invert_mod_p521()
3288 multiply_casper(d2, d3, a); in invert_mod_p521()
3293 multiply_casper(c, e3, a); in invert_mod_p521()
3319 …uint32_t w_out[], const uint32_t a[], const uint32_t b[], const uint32_t Nmod[], const uint32_t *N… in MultprecCiosMul521_ct() argument
3327 a64 = (uint64_t *)(uintptr_t)a; in MultprecCiosMul521_ct()
3331 if (a != NULL) in MultprecCiosMul521_ct()
3344 if (a != NULL) in MultprecCiosMul521_ct()