frost/secp256k1-zkp
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Simpler and faster ecdh skew fixup

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Peter Dettman
2021-12-03 21:08:56 +07:00
parent 39a36db94a
commit 1515099433
3 changed files with 23 additions and 27 deletions
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src/group.h
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@@ -124,6 +124,9 @@ static void secp256k1_ge_to_storage(secp256k1_ge_storage *r, const secp256k1_ge
/** Convert a group element back from the storage type. */
static void secp256k1_ge_from_storage(secp256k1_ge *r, const secp256k1_ge_storage *a);
/** If flag is true, set *r equal to *a; otherwise leave it. Constant-time. Both *r and *a must be initialized.*/
static void secp256k1_gej_cmov(secp256k1_gej *r, const secp256k1_gej *a, int flag);
/** If flag is true, set *r equal to *a; otherwise leave it. Constant-time. Both *r and *a must be initialized.*/
static void secp256k1_ge_storage_cmov(secp256k1_ge_storage *r, const secp256k1_ge_storage *a, int flag);