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-rw-r--r--src/group.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/group.h b/src/group.h
index d1e5834909..0b08b3b991 100644
--- a/src/group.h
+++ b/src/group.h
@@ -115,4 +115,7 @@ static void secp256k1_ge_from_storage(secp256k1_ge_t *r, const secp256k1_ge_stor
/** If flag is true, set *r equal to *a; otherwise leave it. Constant-time. */
static void secp256k1_ge_storage_cmov(secp256k1_ge_storage_t *r, const secp256k1_ge_storage_t *a, int flag);
+/** Rescale a jacobian point by b which must be non-zero. Constant-time. */
+static void secp256k1_gej_rescale(secp256k1_gej_t *r, const secp256k1_fe_t *b);
+
#endif