(PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8)
openssl_public_encrypt — Encrypts data with public key
$data
,&$encrypted_data
,$public_key
,$padding
= OPENSSL_PKCS1_PADDING
openssl_public_encrypt() encrypts data
with public public_key
and stores the result into encrypted_data
. Encrypted data can be decrypted via openssl_private_decrypt().
This function can be used e.g. to encrypt message which can be then read only by owner of the private key. It can be also used to store secure data in database.
data
encrypted_data
This will hold the result of the encryption.
public_key
The public key.
padding
padding
can be one of OPENSSL_PKCS1_PADDING
, OPENSSL_SSLV23_PADDING
, OPENSSL_PKCS1_OAEP_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. |