openssl_public_decrypt
PHP function
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(PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8)
Decrypts data with public key
Description
openssl_public_decrypt(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
datadecrypted_datapublic_keypublic_keymust be the public key that corresponds to the private key that was used to encrypt the data.paddingpaddingcan be one ofOPENSSL_PKCS1_PADDING,OPENSSL_NO_PADDING.
Return Values
Success
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. |