diff options
Diffstat (limited to 'src/field.h')
| -rw-r--r-- | src/field.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/field.h b/src/field.h index 0cdf0fb479..53aa29e13f 100644 --- a/src/field.h +++ b/src/field.h @@ -50,6 +50,9 @@ static void secp256k1_fe_stop(void); /** Normalize a field element. */ static void secp256k1_fe_normalize(secp256k1_fe_t *r); +/** Normalize a field element, without constant-time guarantee. */ +static void secp256k1_fe_normalize_var(secp256k1_fe_t *r); + /** Set a field element equal to a small integer. Resulting field element is normalized. */ static void secp256k1_fe_set_int(secp256k1_fe_t *r, int a); @@ -93,7 +96,7 @@ static void secp256k1_fe_sqr(secp256k1_fe_t *r, const secp256k1_fe_t *a); /** Sets a field element to be the (modular) square root (if any exist) of another. Requires the * input's magnitude to be at most 8. The output magnitude is 1 (but not guaranteed to be * normalized). Return value indicates whether a square root was found. */ -static int secp256k1_fe_sqrt(secp256k1_fe_t *r, const secp256k1_fe_t *a); +static int secp256k1_fe_sqrt_var(secp256k1_fe_t *r, const secp256k1_fe_t *a); /** Sets a field element to be the (modular) inverse of another. Requires the input's magnitude to be * at most 8. The output magnitude is 1 (but not guaranteed to be normalized). */ @@ -105,9 +108,6 @@ static void secp256k1_fe_inv_var(secp256k1_fe_t *r, const secp256k1_fe_t *a); /** Calculate the (modular) inverses of a batch of field elements. Requires the inputs' magnitudes to be * at most 8. The output magnitudes are 1 (but not guaranteed to be normalized). The inputs and * outputs must not overlap in memory. */ -static void secp256k1_fe_inv_all(size_t len, secp256k1_fe_t r[len], const secp256k1_fe_t a[len]); - -/** Potentially faster version of secp256k1_fe_inv_all, without constant-time guarantee. */ static void secp256k1_fe_inv_all_var(size_t len, secp256k1_fe_t r[len], const secp256k1_fe_t a[len]); /** Convert a field element to a hexadecimal string. */ |