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OpenSSL Functions
PHP Manual

openssl_private_encrypt

(PHP 4 >= 4.0.6, PHP 5)

openssl_private_encrypt — Encrypts data with private key

Description

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

openssl_private_encrypt() encrypts data with private key and stores the result into crypted . Encrypted data can be decrypted via openssl_public_decrypt().

This function can be used e.g. to sign data (or its hash) to prove that it is not written by someone else.

Parameters

data

crypted

key

padding

padding defaults to OPENSSL_PKCS1_PADDING, but can also be OPENSSL_NO_PADDING.

Return Values

Returns TRUE on success or FALSE on failure.

See Also

OpenSSL Functions
PHP Manual