sodium_crypto_stream_xor

Encrypt a message without authentication

Description

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

This function encrypts a message with XSalsa20, but does not provide any ciphertext guarantees about the plaintext.

Parameters

message

The message to encrypt

nonce

A number that must be only used once, per message. 24 bytes long. This is a large enough bound to generate randomly (i.e. random_bytes).

key

Encryption key (256-bit).

Return Values

Encrypted message.