Comment and check a parameter for inf in secp256k1_ecmult_const.

2021-12-03 13:57:38 -05:00
parent 6c0be857f8
commit 099bad945e
2 changed files with 2 additions and 0 deletions
--- a/src/ecmult_const.h
+++ b/src/ecmult_const.h
@@ -14,6 +14,7 @@
 * Multiply: R = q*A (in constant-time)
 * Here `bits` should be set to the maximum bitlength of the _absolute value_ of `q`, plus
 * one because we internally sometimes add 2 to the number during the WNAF conversion.
+ * A must not be infinity.
 */
 static void secp256k1_ecmult_const(secp256k1_gej *r, const secp256k1_ge *a, const secp256k1_scalar *q, int bits);