Function computeMasterKey

computeMasterKey(
    password: ByteArray,
    ownerKey: ByteArray,
    permissions: number,
    id0: ByteArray,
    keyLengthBits: number,
    encryptMetadata: boolean,
    revision?: number,
): Promise<ByteArray>
Compute the master encryption key for a PDF file.
Parameters
- password: ByteArray
  User-supplied password (empty if no password)
- ownerKey: ByteArray
  Owner key (/O value)
- permissions: number
  /P value
- id0: ByteArray
  First element of /ID array
- keyLengthBits: number
  Usually 40, 128 or 256
- encryptMetadata: boolean
  Whether /EncryptMetadata is false
- revision: number = 3
Returns Promise<ByteArray>
- Defined in packages/pdf-lite/src/crypto/key-derivation/key-derivation.ts:44