Merge bitcoin#619: Clear a copied secret key after negation

069870d Clear a copied secret key after negation (Seonpyo Kim) Pull request description: It closes bitcoin#618 Tree-SHA512: 05299597c886c5d1a913fd0ce8c698d2e513eb80fbd33d571a02fc6910cfd337324c6f0f27175eaf125eb3478d38187763680e859ece9a469a034c9b8a8d6920
furszy · May 16, 2019 · 735fbde · 735fbde
2 parents 84a8085 + 069870d
commit 735fbde
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/secp256k1.c b/src/secp256k1.c
@@ -457,6 +457,7 @@ int secp256k1_ec_privkey_negate(const secp256k1_context* ctx, unsigned char *sec
     secp256k1_scalar_negate(&sec, &sec);
     secp256k1_scalar_get_b32(seckey, &sec);
 
+    secp256k1_scalar_clear(&sec);
     return 1;
 }