aesCbcParams.iv

• 类型：<ArrayBuffer> | <TypedArray> | <DataView> | <Buffer>

  ¥Type: <ArrayBuffer> | <TypedArray> | <DataView> | <Buffer>

提供初始化向量。它的长度必须恰好为 16 个字节，并且应该是不可预测的并且在密码学上是随机的。

¥Provides the initialization vector. It must be exactly 16-bytes in length and should be unpredictable and cryptographically random.