NativeDtlsEngine.decryptAppData13

private

ubyte[] decryptAppData13(TlsAead aead,  const(ubyte)[]  payload,
          DtlsRecordHeader header)

Decrypt a DTLS 1.3 APPLICATION_DATA record (XOR nonce).

`aead`	The read AEAD cipher.
`payload`	The encrypted payload (ciphertext + tag).
`header`	The DTLS record header.

Decrypted plaintext, or null on failure.