hkdfParams.salt

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

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

盐值显着提高了 HKDF 算法的强度。它应该是随机的或伪随机的，并且应该与摘要函数的输出长度相同（例如，如果使用 'SHA-256' 作为摘要，盐应该是 256 位的随机数据）。

¥The salt value significantly improves the strength of the HKDF algorithm. It should be random or pseudorandom and should be the same length as the output of the digest function (for instance, if using 'SHA-256' as the digest, the salt should be 256-bits of random data).