(PHP 4 >= 4.0.6, PHP 5, PHP 7)
openssl_public_decrypt — Decrypts data with public key
openssl_public_decrypt ( string $data , string &$decrypted , mixed $key [, int $padding = OPENSSL_PKCS1_PADDING ] ) : bool
openssl_public_decrypt() decrypts data that was previous encrypted via openssl_private_encrypt() and stores the result into decrypted.
You can use this function e.g. to check if the message was written by the owner of the private key.
data
decrypted
key
key must be the public key corresponding that was used to encrypt the data.
padding
padding can be one of OPENSSL_PKCS1_PADDING, OPENSSL_NO_PADDING.
Returns true on success or false on failure.
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.openssl-public-decrypt.php