php man page for openssl_public_encrypt

OPENSSL_PUBLIC_ENCRYPT(3)						 1						 OPENSSL_PUBLIC_ENCRYPT(3)

openssl_public_encrypt - Encrypts data with public key

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

DESCRIPTION
       openssl_public_encrypt(3)  encrypts  $data  with  public  $key  and  stores  the  result into $crypted. Encrypted data can be decrypted via
       openssl_private_decrypt(3).

	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
	      o $data
		-

	      o $crypted
		- This will hold the result of the encryption.

	      o $key
		- The public key.

	      o $padding
		-$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(3), openssl_private_decrypt(3).

PHP Documentation Group 												 OPENSSL_PUBLIC_ENCRYPT(3)