Currently, only string or string array types can be used as secret values.
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* @param {string|array} [secret] A string (or array of strings) representing cookie signing secret(s). |
But cookie-signature allows not only string, but also ArrayBufferView(TypedArray, DataView), and crypto.KeyObject.
The secret is for an HMAC key, so technically we can allow string, ArrayBuffer, Buffer, TypedArray, DataView, KeyObject, and CryptoKey, which is described in the nodejs docs. And these types are represented as crypto.CipherKey type.
This is also related to security concerns. See Using strings as inputs to cryptographic APIs
Currently, only string or string array types can be used as secret values.
cookie-parser/index.js
Line 33 in 429cfd4
But cookie-signature allows not only
string, but alsoArrayBufferView(TypedArray,DataView), andcrypto.KeyObject.The secret is for an HMAC key, so technically we can allow
string,ArrayBuffer,Buffer,TypedArray,DataView,KeyObject, andCryptoKey, which is described in the nodejs docs. And these types are represented ascrypto.CipherKeytype.This is also related to security concerns. See Using strings as inputs to cryptographic APIs