International PHP Conference Berlin 2023

sodium_crypto_stream_xchacha20_xor

(PHP 8 >= 8.1.0)

sodium_crypto_stream_xchacha20_xorEncrypts a message using a nonce and a secret key (no authentication)

Beschreibung

sodium_crypto_stream_xchacha20_xor(string $message, string $nonce, string $key): string

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

Achtung

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().

Parameter-Liste

message

The message to encrypt.

nonce

24-byte nonce.

key

Key, possibly generated from sodium_crypto_stream_xchacha20_keygen().

Rückgabewerte

Encrypted message.

Siehe auch

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