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Abstract out verify logic for fe_add

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This commit is contained in:
Pieter Wuille
2022-01-28 18:36:13 -05:00
parent 7e7ad7ff57
commit e179e651cb
4 changed files with 21 additions and 15 deletions
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11
src/field_impl.h
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@@ -275,6 +275,17 @@ SECP256K1_INLINE static void secp256k1_fe_mul_int(secp256k1_fe *r, int a) {
r->normalized = 0;
secp256k1_fe_verify(r);
}
static void secp256k1_fe_impl_add(secp256k1_fe *r, const secp256k1_fe *a);
SECP256K1_INLINE static void secp256k1_fe_add(secp256k1_fe *r, const secp256k1_fe *a) {
secp256k1_fe_verify(r);
secp256k1_fe_verify(a);
VERIFY_CHECK(r->magnitude + a->magnitude <= 32);
secp256k1_fe_impl_add(r, a);
r->magnitude += a->magnitude;
r->normalized = 0;
secp256k1_fe_verify(r);
}
#endif /* defined(VERIFY) */
#endif /* SECP256K1_FIELD_IMPL_H */