# openssl_public_encrypt

(PHP 4 >= 4.0.6, PHP 5)

openssl_public_encrypt — Encrypts data with public key

### Description

bool openssl_public_encrypt ( string `$data` , string `&$crypted` , mixed `$key` [, int `$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.

### Parameters

`data`

`crypted`

  This will hold the result of the encryption.

`key`

  The public key.

`padding`

  `padding` defaults to `OPENSSL_PKCS1_PADDING`, but can also be one of `OPENSSL_SSLV23_PADDING`, `OPENSSL_PKCS1_OAEP_PADDING`, `OPENSSL_NO_PADDING`.

### Return Values

Returns `TRUE` on success or `FALSE` on failure.

### See Also

- openssl_private_encrypt()
- openssl_private_decrypt()