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。

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Because this technique USES the previous block to encrypt the next block, an IV is used to encrypt the first block of data.

由于该技术使用上一个块加密下一个块，因此使用了一个IV来加密数据的第一个块。

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And to qualify for a federal Title IV-E block grant, agencies must generate performance metrics on a daily basis to prove that the allocations are creating the desired effect.

要获得联邦Title IV - e固定拨款，这些机构需要生成每日业绩指标来证明拨款正在实现预期效果。

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