openssl_private_encrypt
(PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8)
openssl_private_encrypt — Encrypts data with private key
Description
openssl_private_encrypt(
string
string
OpenSSLAsymmetricKey|OpenSSLCertificate|array|string
int
): bool
string
$data,string
&$encrypted_data,OpenSSLAsymmetricKey|OpenSSLCertificate|array|string
$private_key,int
$padding = OPENSSL_PKCS1_PADDING): bool
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.
Parameters
-
data -
-
encrypted_data -
-
private_key -
-
padding -
paddingcan be one ofOPENSSL_PKCS1_PADDING,OPENSSL_NO_PADDING.
Return Values
Returns true on success or false on failure.
Changelog
| 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.
|
See Also
- openssl_public_encrypt() - Encrypts data with public key
- openssl_public_decrypt() - Decrypts data with public key
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