Php/docs/function.openssl-public-decrypt

• PHP Manual
• OpenSSL Functions
• Decrypts data with public key

openssl_public_decrypt

(PHP 4 >= 4.0.6, PHP 5, PHP 7)

openssl_public_decrypt — Decrypts data with public key

Description

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.

Parameters

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.

Return Values

Returns TRUE on success or FALSE on failure.

See Also

• openssl_private_encrypt() - Encrypts data with private key
• openssl_private_decrypt() - Decrypts data with private key