OpenSSL Functions
PHP Manual

openssl_public_decrypt

(PHP 4 >= 4.0.6, PHP 5)

openssl_public_decrypt — Decrypts data with public key

Description

bool openssl_public_decrypt ( string $data , string &$decrypted , mixed $key [, int $padding= OPENSSL_PKCS1_PADDING ] )

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.

Parameters

data

decrypted

key

key must be the public key corresponding that was used to encrypt the data.

padding

padding defaults to OPENSSL_PKCS1_PADDING, but can also be OPENSSL_NO_PADDING.

Return Values

Returns TRUE on success or FALSE on failure.

See Also

OpenSSL Functions
PHP Manual