sodium_crypto_box_open
(PHP 7 >= 7.2.0, PHP 8)
sodium_crypto_box_open — Authenticated public-key decryption
Description
sodium_crypto_box_open(string
$ciphertext, string $nonce, string $key_pair): string|falseDecrypt a message using asymmetric (public key) cryptography.
Parameters
-
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.
Return Values
Returns the plaintext message on success, or false on failure.
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