sodium_crypto_aead_chacha20poly1305_ietf_encrypt
(PHP 7 >= 7.2.0, PHP 8)
sodium_crypto_aead_chacha20poly1305_ietf_encrypt — Encrypt a message
Beschreibung
sodium_crypto_aead_chacha20poly1305_ietf_encrypt(
string
string
string
string
): string
string
$message,string
$additional_data,string
$nonce,string
$key): string
Encrypt then authenticate with ChaCha20-Poly1305 (IETF variant).
The IETF variant uses 96-bit nonces and 32-bit internal counters, instead of 64-bit for both.
Parameter-Liste
-
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. 12 bytes long.
-
key -
Encryption key (256-bit).
Rückgabewerte
Returns the ciphertext and tag on success, Bei einem Fehler wird false zurückgegeben..
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