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

Ron Rivest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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