Because this behavior can be used to crack a cipher, cipher modes are introduced that modify the encryption process based on feedback from earlier block encryptions.

因为这种行为可以用来破解密码，因此采用了密码模式，它会依据先前区块加密回馈来修改加密程序。

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The process involves 16 rounds and can run in four different modes, encrypting blocks individually or making each cipher block dependent on all the previous blocks.

这个过程包括16轮，可以运行在四种不同的模式，加密模块单独或使每个密文块依赖所有前面的块。

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