CascadiaPHP 2024


(PHP 7 >= 7.2.0, PHP 8)

sodium_crypto_box_openAuthenticated public-key decryption


sodium_crypto_box_open(string $ciphertext, string $nonce, #[\SensitiveParameter] string $key_pair): string|false

Decrypt a message using asymmetric (public key) cryptography.

Liste de paramètres


The encrypted message to attempt to decrypt.


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()).


See sodium_crypto_box_keypair_from_secretkey_and_publickey(). This should include the sender's public key and the recipient's secret key.

Valeurs de retour

Returns the plaintext message on success, ou false si une erreur survient.

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