pkey/ec: use EC_GROUP_free() instead of EC_GROUP_clear_free()

rhenium · rhenium · commit d25943490f78 · 2021-10-24T17:00:36.000+09:00
EC_GROUP_clear_free() is deprecated in OpenSSL 3.0.

EC_GROUP does not include any sensitive data, so we can safely use
EC_GROUP_free() instead.
diff --git a/ext/openssl/ossl_pkey_ec.c b/ext/openssl/ossl_pkey_ec.c
@@ -479,7 +479,7 @@ static VALUE ossl_ec_key_check_key(VALUE self)
 static void
 ossl_ec_group_free(void *ptr)
 {
-    EC_GROUP_clear_free(ptr);
+    EC_GROUP_free(ptr);
 }
 
 static const rb_data_type_t ossl_ec_group_type = {

Original file line number	Diff line number	Diff line change
`@@ -479,7 +479,7 @@ static VALUE ossl_ec_key_check_key(VALUE self)`
`479`	`479`	`static void`
`480`	`480`	`ossl_ec_group_free(void *ptr)`
`481`	`481`	`{`
`482`		`- EC_GROUP_clear_free(ptr);`
	`482`	`+ EC_GROUP_free(ptr);`
`483`	`483`	`}`
`484`	`484`
`485`	`485`	`static const rb_data_type_t ossl_ec_group_type = {`