Page MenuHomePhabricator
Differential D8044 Diff 24969 src/secp256k1/src/scalar_impl.h

Changeset View

Standalone View

View Options

src/secp256k1/src/scalar_impl.h

Show First 20 Lines • Show All 250 Lines • ▼ Show 20 Lines#elif defined(USE_SCALAR_INV_NUM)
/* Verify that the inverse was computed correctly, without GMP code. */ /* Verify that the inverse was computed correctly, without GMP code. */
secp256k1_scalar_mul(&t, &t, r); secp256k1_scalar_mul(&t, &t, r);
CHECK(secp256k1_scalar_is_one(&t)); CHECK(secp256k1_scalar_is_one(&t));
#else #else
#error "Please select scalar inverse implementation" #error "Please select scalar inverse implementation"
#endif #endif
} }
#ifdef USE_ENDOMORPHISM
/* These parameters are generated using sage/gen_exhaustive_groups.sage. */ /* These parameters are generated using sage/gen_exhaustive_groups.sage. */
#if defined(EXHAUSTIVE_TEST_ORDER) #if defined(EXHAUSTIVE_TEST_ORDER)
# if EXHAUSTIVE_TEST_ORDER == 13 # if EXHAUSTIVE_TEST_ORDER == 13
# define EXHAUSTIVE_TEST_LAMBDA 9 # define EXHAUSTIVE_TEST_LAMBDA 9
# elif EXHAUSTIVE_TEST_ORDER == 199 # elif EXHAUSTIVE_TEST_ORDER == 199
# define EXHAUSTIVE_TEST_LAMBDA 92 # define EXHAUSTIVE_TEST_LAMBDA 92
# else # else
# error No known lambda for the specified exhaustive test group order. # error No known lambda for the specified exhaustive test group order.
▲ Show 20 Lines • Show All 235 Lines • ▼ Show 20 Linesstatic void secp256k1_scalar_split_lambda(secp256k1_scalar *r1, secp256k1_scalar *r2, const secp256k1_scalar *k) {
secp256k1_scalar_negate(r1, r1); secp256k1_scalar_negate(r1, r1);
secp256k1_scalar_add(r1, r1, k); secp256k1_scalar_add(r1, r1, k);
#ifdef VERIFY #ifdef VERIFY
secp256k1_scalar_split_lambda_verify(r1, r2, k); secp256k1_scalar_split_lambda_verify(r1, r2, k);
#endif #endif
} }
#endif #endif
#endif
#endif /* SECP256K1_SCALAR_IMPL_H */ #endif /* SECP256K1_SCALAR_IMPL_H */