sodium_crypto_aead_aes256gcm_encrypt
(PHP 7 >= 7.2.0, PHP 8)
sodium_crypto_aead_aes256gcm_encrypt — Encrypt then authenticate with AES-256-GCM
Beschreibung
string
$message
,string
$additional_data
,string
$nonce
,string
$key
): string
Encrypt then authenticate with AES-256-GCM.
Only available if sodium_crypto_aead_aes256gcm_is_available() returns true
.
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 authentication tag as a string of raw binary bytes. (Format: ciphertext, then tag.)