sodium_crypto_stream_xchacha20_xor
Encrypts a message using a nonce and a secret key (no authentication)
Description
string sodium_crypto_stream_xchacha20_xor(#[\SensitiveParameter]string $message, string $nonce, #[\SensitiveParameter]string $key)
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
- sodium_crypto_stream_xchacha20_xor_ic