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Abstract out verify logic for fe_mul_int

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This commit is contained in:
Pieter Wuille
2022-01-28 18:33:45 -05:00
parent 65d82a3445
commit 7e7ad7ff57
4 changed files with 21 additions and 14 deletions
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11
src/field_impl.h
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@@ -264,6 +264,17 @@ SECP256K1_INLINE static void secp256k1_fe_negate(secp256k1_fe *r, const secp256k
r->normalized = 0;
secp256k1_fe_verify(r);
}
static void secp256k1_fe_impl_mul_int(secp256k1_fe *r, int a);
SECP256K1_INLINE static void secp256k1_fe_mul_int(secp256k1_fe *r, int a) {
secp256k1_fe_verify(r);
VERIFY_CHECK(a >= 0 && a <= 32);
VERIFY_CHECK(a*r->magnitude <= 32);
secp256k1_fe_impl_mul_int(r, a);
r->magnitude *= a;
r->normalized = 0;
secp256k1_fe_verify(r);
}
#endif /* defined(VERIFY) */
#endif /* SECP256K1_FIELD_IMPL_H */