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Abstract out verify logic for fe_to_storage

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This commit is contained in:
Pieter Wuille
2022-01-28 18:56:54 -05:00
parent 1e6894bdd7
commit 76d31e5047
4 changed files with 15 additions and 9 deletions
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7
src/field.h
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@@ -93,6 +93,7 @@ static const secp256k1_fe secp256k1_const_beta = SECP256K1_FE_CONST(
# define secp256k1_fe_mul secp256k1_fe_impl_mul
# define secp256k1_fe_sqr secp256k1_fe_impl_sqr
# define secp256k1_fe_cmov secp256k1_fe_impl_cmov
# define secp256k1_fe_to_storage secp256k1_fe_impl_to_storage
#endif /* !defined(VERIFY) */
/** Normalize a field element.
@@ -263,7 +264,11 @@ static void secp256k1_fe_inv(secp256k1_fe *r, const secp256k1_fe *a);
/** Potentially faster version of secp256k1_fe_inv, without constant-time guarantee. */
static void secp256k1_fe_inv_var(secp256k1_fe *r, const secp256k1_fe *a);
/** Convert a field element to the storage type. */
/** Convert a field element to secp256k1_fe_storage.
*
* On input, a must be a valid normalized field element.
* Performs {r = a}.
*/
static void secp256k1_fe_to_storage(secp256k1_fe_storage *r, const secp256k1_fe *a);
/** Convert a field element back from the storage type. */