Function encryptPSKMessage

encryptPSKMessage(
    plaintext: string,
    senderPublicKey: Uint8Array,
    recipientPublicKey: Uint8Array,
    currentPSK: Uint8Array,
    ratchetCounter: number,
): PSKEnvelope
Encrypts a message using the PSK protocol.
Parameters
- plaintext: string
  Message text to encrypt
- senderPublicKey: Uint8Array
  Sender's X25519 public key
- recipientPublicKey: Uint8Array
  Recipient's X25519 public key
- currentPSK: Uint8Array
  Current ratchet-derived PSK (32 bytes)
- ratchetCounter: number
  Current ratchet counter value
Returns PSKEnvelope
PSKEnvelope containing encrypted message
- Defined in src/psk/encryption.ts:33