RC4 (40, 56, or 128 bit keys)

RC4 （40，56，或128位密钥）

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Ron Rivest developed the RC4 algorithm to generate random bytes based on a 256 byte key.

RonRivest开发了基于256字节的密钥生成随机数的RC4加密算法。

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RC4 is a stream cipher algorithm operating on each byte of data; like the RC2, it supports key lengths of 40 bits, 64 bits, and 128 bits.

RC 4是一个流密码算法，它对数据的每个字节进行操作；和RC 2一样，它支持长度为40位、64位和128位的密钥。

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RC4 begins by creating a 256-byte "s" byte array and populating it with 0 to 255. You then iterate over the array by mixing in bytes from the key.

RC4从创建一个256字节的数组“S”开始，并从0到255对其进行填充。

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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CRC32循环冗余校验的方式来实现报文完整性验证。

youdao

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CRC32循环冗余校验的方式来实现报文完整性验证。

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