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Introduce SECP256K1_B macro for curve b coefficient

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This commit is contained in:
Pieter Wuille
2023-01-10 16:23:32 -05:00
parent 4934aa7995
commit ce60785b26
2 changed files with 7 additions and 26 deletions
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26
src/group_impl.h
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@@ -49,29 +49,17 @@
# if EXHAUSTIVE_TEST_ORDER == 7
static const secp256k1_ge secp256k1_ge_const_g = SECP256K1_G_ORDER_7;
static const secp256k1_fe secp256k1_fe_const_b = SECP256K1_FE_CONST(
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000006
);
#define SECP256K1_B 6
# elif EXHAUSTIVE_TEST_ORDER == 13
static const secp256k1_ge secp256k1_ge_const_g = SECP256K1_G_ORDER_13;
static const secp256k1_fe secp256k1_fe_const_b = SECP256K1_FE_CONST(
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000002
);
#define SECP256K1_B 2
# elif EXHAUSTIVE_TEST_ORDER == 199
static const secp256k1_ge secp256k1_ge_const_g = SECP256K1_G_ORDER_199;
static const secp256k1_fe secp256k1_fe_const_b = SECP256K1_FE_CONST(
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000004
);
#define SECP256K1_B 4
# else
# error No known generator for the specified exhaustive test group order.
@@ -79,15 +67,13 @@ static const secp256k1_fe secp256k1_fe_const_b = SECP256K1_FE_CONST(
#else
static const secp256k1_ge secp256k1_ge_const_g = SECP256K1_G;
static const secp256k1_fe secp256k1_fe_const_b = SECP256K1_FE_CONST(
0x00000000, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000007
);
#define SECP256K1_B 7
#endif
/* End of section generated by sage/gen_exhaustive_groups.sage. */
static const secp256k1_fe secp256k1_fe_const_b = SECP256K1_FE_CONST(0, 0, 0, 0, 0, 0, 0, SECP256K1_B);
static void secp256k1_ge_set_gej_zinv(secp256k1_ge *r, const secp256k1_gej *a, const secp256k1_fe *zi) {
secp256k1_fe zi2;
secp256k1_fe zi3;