(PHP 4 >= 4.0.6, PHP 5, PHP 7)
openssl_private_decrypt — Decrypts data with private key
openssl_private_decrypt ( string $data , string &$decrypted , mixed $key [, int $padding = OPENSSL_PKCS1_PADDING ] ) : bool
openssl_private_decrypt() decrypts data that was previously encrypted via openssl_public_encrypt() and stores the result into decrypted.
You can use this function e.g. to decrypt data which is supposed to only be available to you.
data
decrypted
key
key must be the private key corresponding that was used to encrypt the data.
padding
padding can be one of OPENSSL_PKCS1_PADDING, OPENSSL_SSLV23_PADDING, OPENSSL_PKCS1_OAEP_PADDING, OPENSSL_NO_PADDING.
Returns true on success or false on failure.
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Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/function.openssl-private-decrypt.php