RSA_padding_check_xxx

API 概述

RSA_padding_check_xxx 是 openssl 中的一个API。该规属于return value check 类型。该规则是使用 AURC 生成的。

规则描述

提示

The RSA_padding_add_xxx() functions return 1 on success, 0 on error. The RSA_padding_check_xxx() functions return the length of the recovered data, -1 on error. Error codes can be obtained by calling L<ERR_get_error(3)>.

信息

标签：return value check

参数下标：N/A

CWE类别：CWE-253

规则代码

import cpp

class OpenSSLFunctionCall extends FunctionCall {
  OpenSSLFunctionCall() {
    this.getTarget().hasName("RSA_padding_check_xxx")
  }
}

from OpenSSLFunctionCall call, UnaryOperation uop
where
  uop.getOperator() = "!" and
  uop.getOperand() = call.getAnAccess()
select uop, "This negation checks the return value of RSA_padding_check_xxx."