Php/docs/function.openssl-public-encrypt

• PHP Manual
• OpenSSL Functions
• Encrypts data with public key

openssl_public_encrypt

(PHP 4 >= 4.0.6, PHP 5, PHP 7)

openssl_public_encrypt — Encrypts data with public key

Description

openssl_public_encrypt ( string $data , string &$crypted , mixed $key [, int $padding = OPENSSL_PKCS1_PADDING ] ) : bool

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 can be one of OPENSSL_PKCS1_PADDING, 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() - Encrypts data with private key
• openssl_private_decrypt() - Decrypts data with private key