Node.js scrypto.hkdf()函数
原文:https://www . geesforgeks . org/node-js-scrypto-hkdf-function/
crypto.hkdf() 是加密模块中加密类的内置应用编程接口，用于导出特定长度的密钥。
语法:
const crypto.hkdf(digest, key, salt, info, keylen, callback)
参数:该函数以下列参数为参数。
- Abstract: This is a series of summarization algorithms.
- Key: It is the secret key.
- Salt: It contains important value.
- Information: contains additional information.
- keylen: is the length of the key to be generated.
- Callback: is for further operation.
返回值:该函数返回特定长度的派生键。
例 1:
index.js
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