CRC[1] 校验实用程序库 在数据存储和数据通讯领域，为了保证数据的正确，就不得不采用检错的手段。在诸多检错手段中，CRC是最著名的一种。CRC的全称是循环冗余校验。-CRC [1] check utility library in data storage and data communications, in order to ensure the correct data, you have to use the means of error detection. In many means of error detection, CRC is one of the most famous. CRC stands for cyclic redundancy check.