Function decryptOmemoPayload

decryptOmemoPayload(
    payload: string,
    payloadKey: ArrayBuffer,
    ivB64: string,
): string
Decrypts an OMEMO payload body using the supplied key and IV.
Parameters
- payload: string
  Base64-encoded payload with the GCM tag appended.
- payloadKey: ArrayBuffer
  AES key bytes.
- ivB64: string
  Base64-encoded initialization vector.
Returns string
The decrypted UTF-8 body.
- Defined in src/core/xmpp-secure.ts:107