International PHP Conference Munich 2021

sodium_crypto_stream_xor

(PHP 7 >= 7.2.0, PHP 8)

sodium_crypto_stream_xorEncrypt a message without authentication

Descrição

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

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

Parâmetros

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).

Valor Retornado

Encrypted message.

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