(PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8)
openssl_private_decrypt — Decrypts data with private key
openssl_private_decrypt( string $data, #[\SensitiveParameter] string &$decrypted_data, #[\SensitiveParameter] OpenSSLAsymmetricKey|OpenSSLCertificate|array|string $private_key, int $padding = OPENSSL_PKCS1_PADDING ): bool
openssl_private_decrypt() decrypts data that was previously encrypted via openssl_public_encrypt() and stores the result into decrypted_data.
You can use this function e.g. to decrypt data which is supposed to only be available to you.
datadecrypted_dataprivate_key private_key must be the private key that corresponds to the public key that was used to encrypt the data.
padding padding can be one of OPENSSL_PKCS1_PADDING, OPENSSL_SSLV23_PADDING, OPENSSL_PKCS1_OAEP_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. |
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https://www.php.net/manual/en/function.openssl-private-decrypt.php