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    sodium_crypto_stream_xchacha20_xor

    (PHP 8 >= 8.1.0)

    sodium_crypto_stream_xchacha20_xor — Encrypts a message using a nonce and a secret key (no authentication)

    Description

    sodium_crypto_stream_xchacha20_xor(#[\SensitiveParameter] string $message, string $nonce, #[\SensitiveParameter] string $key): string

    Encrypts a message using a nonce and a secret key (no authentication).

    Caution

    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().

    Parameters

    message

    The message to encrypt.

    nonce

    24-byte nonce.

    key

    Key, possibly generated from sodium_crypto_stream_xchacha20_keygen().

    Return Values

    Encrypted message.

    See Also

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