(PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8)
openssl_public_decrypt — Decrypts data with public key
$data
,&$decrypted_data
,$public_key
,$padding
= OPENSSL_PKCS1_PADDING
openssl_public_decrypt() decrypts
data
that was previous encrypted via
openssl_private_encrypt() and stores the result into
decrypted_data
.
You can use this function e.g. to check if the message was written by the owner of the private key.
data
decrypted_data
public_key
public_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
.
Version | Description |
---|---|
8.0.0 |
public_key accepts an OpenSSLAsymmetricKey
or OpenSSLCertificate instance now;
previously, a resource of type OpenSSL key or OpenSSL X.509
was accepted.
|