PHP - Manual: sodium_crypto_aead_xchacha20poly1305_ietf_encrypt
2024-11-14
(PHP 7 >= 7.2.0, PHP 8)
sodium_crypto_aead_xchacha20poly1305_ietf_encrypt — (Preferred) Encrypt then authenticate with XChaCha20-Poly1305
$message
,$additional_data
,$nonce
,$key
Encrypt then authenticate with XChaCha20-Poly1305 (eXtended-nonce variant).
Generally, XChaCha20-Poly1305 is the best of the provided AEAD modes to use.
message
The plaintext message to encrypt.
additional_data
Additional, authenticated data. This is used in the verification of the authentication tag appended to the ciphertext, but it is not encrypted or stored in the ciphertext.
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).
Returns the ciphertext and tag on success, 或者在失败时返回 false
.
官方地址:https://www.php.net/manual/en/function.sodium-crypto-aead-xchacha20poly1305-ietf-encrypt.php