Clear OpenSSL errors on SHA failures

(cherry picked from commit 247422c69f)
2023-09-01 13:45:34 +10:00
parent 34a0bb146c
commit 900efd613f
1 changed files with 4 additions and 0 deletions
@@ -44,18 +44,22 @@ isc_iterated_hash(unsigned char *out, const unsigned int hashalg,

 	do {
 		if (SHA1_Init(&ctx) != 1) {
+			ERR_clear_error();
 			return (0);
 		}

 		if (SHA1_Update(&ctx, buf, len) != 1) {
+			ERR_clear_error();
 			return (0);
 		}

 		if (SHA1_Update(&ctx, salt, saltlength) != 1) {
+			ERR_clear_error();
 			return (0);
 		}

 		if (SHA1_Final(out, &ctx) != 1) {
+			ERR_clear_error();
 			return (0);
 		}