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Replace `SECP256K1_ECMULT_TABLE_VERIFY` macro by a function

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Hennadii Stepanov 2023-03-21 15:29:22 +00:00
parent 4429a8c218
commit 5bb03c2911
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GPG Key ID: 410108112E7EA81F
1 changed files with 9 additions and 7 deletions
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16
src/ecmult_impl.h
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@ -114,14 +114,16 @@ static void secp256k1_ecmult_odd_multiples_table(int n, secp256k1_ge *pre_a, sec
secp256k1_fe_mul(z, &ai.z, &d.z);
}
#define SECP256K1_ECMULT_TABLE_VERIFY(n,w) \
(void)w; \
VERIFY_CHECK(((n) & 1) == 1); \
VERIFY_CHECK((n) >= -((1 << ((w)-1)) - 1)); \
SECP256K1_INLINE static void secp256k1_ecmult_table_verify(int n, int w) {
(void)n;
(void)w;
VERIFY_CHECK(((n) & 1) == 1);
VERIFY_CHECK((n) >= -((1 << ((w)-1)) - 1));
VERIFY_CHECK((n) <= ((1 << ((w)-1)) - 1));
}
SECP256K1_INLINE static void secp256k1_ecmult_table_get_ge(secp256k1_ge *r, const secp256k1_ge *pre, int n, int w) {
SECP256K1_ECMULT_TABLE_VERIFY(n,w)
secp256k1_ecmult_table_verify(n,w);
if (n > 0) {
*r = pre[(n-1)/2];
} else {
@ -131,7 +133,7 @@ SECP256K1_INLINE static void secp256k1_ecmult_table_get_ge(secp256k1_ge *r, cons
}
SECP256K1_INLINE static void secp256k1_ecmult_table_get_ge_lambda(secp256k1_ge *r, const secp256k1_ge *pre, const secp256k1_fe *x, int n, int w) {
SECP256K1_ECMULT_TABLE_VERIFY(n,w)
secp256k1_ecmult_table_verify(n,w);
if (n > 0) {
secp256k1_ge_set_xy(r, &x[(n-1)/2], &pre[(n-1)/2].y);
} else {
@ -141,7 +143,7 @@ SECP256K1_INLINE static void secp256k1_ecmult_table_get_ge_lambda(secp256k1_ge *
}
SECP256K1_INLINE static void secp256k1_ecmult_table_get_ge_storage(secp256k1_ge *r, const secp256k1_ge_storage *pre, int n, int w) {
SECP256K1_ECMULT_TABLE_VERIFY(n,w)
secp256k1_ecmult_table_verify(n,w);
if (n > 0) {
secp256k1_ge_from_storage(r, &pre[(n-1)/2]);
} else {