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Add secp256k1_scalar_inverse_var which delegates to GMP

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Pieter Wuille
2014-11-26 16:04:24 +01:00
parent b5c9ee756f
commit d1502eb459
3 changed files with 22 additions and 1 deletions
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src/scalar.h
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@@ -54,6 +54,9 @@ static void secp256k1_scalar_sqr(secp256k1_scalar_t *r, const secp256k1_scalar_t
/** Compute the inverse of a scalar (modulo the group order). */
static void secp256k1_scalar_inverse(secp256k1_scalar_t *r, const secp256k1_scalar_t *a);
/** Compute the inverse of a scalar (modulo the group order), without constant-time guarantee. */
static void secp256k1_scalar_inverse_var(secp256k1_scalar_t *r, const secp256k1_scalar_t *a);
/** Compute the complement of a scalar (modulo the group order). */
static void secp256k1_scalar_negate(secp256k1_scalar_t *r, const secp256k1_scalar_t *a);