I then extract the initialization vector (IV) into a byte array, block encrypt the clear data, and prefix the IV bytes to the encrypted data bytes.

随后我将初始向量(IV)抽取到字节数组，对明文数据进行块加密，并将iv字节置于加密的数据字节之前。

youdao

Because I have to use the key as the initial vector, I have passed the key as the initial vector byte array.

因为我必须用密钥作为初始矢量，所以将密钥作为初始矢量字节数组传递。

youdao

The second is the initial vector byte array.

第二个是初始矢量字节数组。

youdao