Function hmacSha256

hmacSha256(secret: Uint8Array, message: Uint8Array, sha256?: {
hash: ((input: Uint8Array) => Uint8Array);
}): Uint8Array
Create a hash-based message authentication code using HMAC-SHA256 as specified in RFC 4231. Returns a 32-byte Uint8Array.

Secrets longer than the block byte-length (64 bytes) are hashed before use, shortening their length to the minimum recommended length (32 bytes). See RFC 2104 for details.
Parameters
- secret: Uint8Array
  
  the secret key (recommended length: 32-64 bytes)
- message: Uint8Array
  
  the message to authenticate
- sha256: {
  hash: ((input: Uint8Array) => Uint8Array);
  } = internalSha256
  
  an implementation of Sha256
  - hash: ((input: Uint8Array) => Uint8Array)
    - (input: Uint8Array): Uint8Array
      
      Returns the sha256 hash of the provided input.
      
      To incrementally construct a sha256 hash (e.g. for streaming), use init, update, and final.
      
      Parameters
      
      input: Uint8Array
      
      a Uint8Array to be hashed using sha256
      
      Returns Uint8Array
Returns Uint8Array
- Defined in src/lib/crypto/hmac.ts:51

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