(PHP 8 >= 8.1.0)
sodium_crypto_stream_xchacha20_xor — Encrypts a message using a nonce and a secret key (no authentication)
$message, string $nonce, string $key): string
Encrypts a message using a nonce
and a secret key (no authentication).
This encryption is unauthenticated, and does not prevent chosen-ciphertext attacks. Make sure to combine the ciphertext with a Message Authentication Code, for example with sodium_crypto_aead_xchacha20poly1305_ietf_encrypt() function, or sodium_crypto_auth().
messageThe message to encrypt.
nonce24-byte nonce.
keyKey, possibly generated from sodium_crypto_stream_xchacha20_keygen().
Encrypted message.