(PHP 4 >= 4.0.6, PHP 5)
openssl_public_encrypt — Encrypts data with public key
$data
, string &$crypted
, mixed $key
[, int $padding = OPENSSL_PKCS1_PADDING
] )
openssl_public_encrypt() encrypts data
with public key and stores the result into
crypted. 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
crypted
This will hold the result of the encryption.
key
The public key.
padding
padding can be one of
OPENSSL_PKCS1_PADDING,
OPENSSL_SSLV23_PADDING,
OPENSSL_PKCS1_OAEP_PADDING,
OPENSSL_NO_PADDING.
成功时返回 TRUE， 或者在失败时返回 FALSE。