(PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8)
openssl_private_encrypt — Encrypts data with private key
$data,&$encrypted_data,$private_key,$padding = OPENSSL_PKCS1_PADDING
openssl_private_encrypt() encrypts data
with private private_key and stores the result into
encrypted_data. 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.
data
encrypted_data
private_key
padding
padding can be one of
OPENSSL_PKCS1_PADDING,
OPENSSL_NO_PADDING.
| Version | Description |
|---|---|
| 8.0.0 |
private_key accepts an OpenSSLAsymmetricKey
or OpenSSLCertificate instance now;
previously, a resource of type OpenSSL key or OpenSSL X.509
was accepted.
|