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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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7
sage/gen_exhaustive_groups.sage
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@@ -96,10 +96,7 @@ def output_generator(g, name):
print(")")
def output_b(b):
print("static const secp256k1_fe secp256k1_fe_const_b = SECP256K1_FE_CONST(")
print(" 0x%08x, 0x%08x, 0x%08x, 0x%08x," % tuple((int(b) >> (32 * (7 - i))) & 0xffffffff for i in range(4)))
print(" 0x%08x, 0x%08x, 0x%08x, 0x%08x" % tuple((int(b) >> (32 * (7 - i))) & 0xffffffff for i in range(4, 8)))
print(");")
print(f"#define SECP256K1_B {int(b)}")
print()
print("To be put in src/group_impl.h:")
@@ -128,7 +125,6 @@ for f in sorted(solutions.keys()):
first = False
print()
print(f"static const secp256k1_ge secp256k1_ge_const_g = SECP256K1_G_ORDER_{f};")
print("")
output_b(b)
print()
print("# else")
@@ -137,7 +133,6 @@ print("# endif")
print("#else")
print()
print("static const secp256k1_ge secp256k1_ge_const_g = SECP256K1_G;")
print("")
output_b(7)
print()
print("#endif")