openssl_public_decrypt
(PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8)
openssl_public_decrypt — Decrypts data with public key
Description
openssl_public_decrypt(
string
string
OpenSSLAsymmetricKey|OpenSSLCertificate|array|string
int
): bool
string
$data,string
&$decrypted_data,OpenSSLAsymmetricKey|OpenSSLCertificate|array|string
$public_key,int
$padding = OPENSSL_PKCS1_PADDING): bool
openssl_public_decrypt() decrypts
data that was previous encrypted via
openssl_private_encrypt() and stores the result into
decrypted_data.
You can use this function e.g. to check if the message was written by the owner of the private key.
Parameters
-
data -
-
decrypted_data -
-
public_key -
public_keymust be the public key corresponding that was used to encrypt the data. -
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 |
public_key accepts an OpenSSLAsymmetricKey
or OpenSSLCertificate instance now;
previously, a resource of type OpenSSL key or OpenSSL X.509
was accepted.
|
See Also
- openssl_private_encrypt() - Encrypts data with private key
- openssl_private_decrypt() - Decrypts data with private key
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