This paper expounds the encipher mechanism in phone bank service platform and bank system, and the message encipher between bank system and the third part host computer isn't touched.
探讨了电话银行业务平台和银行系统内部的加密机制，不涉及银行系统和第三方主机系统间的消息加密。
WEP uses CRC 32 checking code inside the RC4 encipher system to provide message integrity check.
WEP通过在RC4密码系统内部设置CRC 32循环冗余校验的方式来实现报文完整性验证。
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