TlsAead.decryptWithNonce

ubyte[] decryptWithNonce(const(ubyte)[]  ciphertext,  const(ubyte)[]  aad,
          const(ubyte)[]  explicitNonce)

Decrypts a TLS 1.2 record using an explicit nonce.

For TLS 1.2 GCM, the nonce is: implicit_iv (4 bytes) || explicit_nonce (8 bytes). The explicit nonce is sent with each record.

`ciphertext`	Ciphertext + tag.
`aad`	Additional authenticated data.
`explicitNonce`	The 8-byte explicit nonce from the record.

Decrypted plaintext.

TlsException on decryption failure.