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(PHP 7 >= 7.2.0, PHP 8)
sodium_crypto_aead_chacha20poly1305_encrypt — Encrypt then authenticate with ChaCha20-Poly1305
$message,$additional_data,$nonce,$keyEncrypt then authenticate with ChaCha20-Poly1305.
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. 8 bytes long.
key
Encryption key (256-bit).
Returns the ciphertext and tag on success, 或者在失败时返回 false.
