(PHP 4 >= 4.0.6, PHP 5)
openssl_public_encrypt — Encrypts data with public key
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.
This will hold the result of the encryption.
The public key.
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.