(PHP 7 >= 7.2.0, PHP 8)
sodium_crypto_box_open — Authenticated public-key decryption
$ciphertext
, string $nonce
, #[\SensitiveParameter] string $key_pair
): string|falseDecrypt a message using asymmetric (public key) cryptography.
ciphertext
The encrypted message to attempt to decrypt.
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_pair
See sodium_crypto_box_keypair_from_secretkey_and_publickey(). This should include the sender's public key and the recipient's secret key.
Returns the plaintext message on success, o false
in caso di fallimento.