openssl_public_decrypt

Function • Misc changes in PHP 8.2

Decrypts data with public key.

PHP 5
PHP 7
PHP 8.0
Improved
PHP 8.1
PHP 8.2
Changed
PHP 8.3
PHP 8.4
PHP 8.5
PHP 8.6

openssl_public_decrypt Function synopsis

openssl_public_decrypt(
    string $data,
    &$decrypted_data,
    $public_key,
    int $padding = OPENSSL_PKCS1_PADDING
  ): bool

Parameters

$data

Typestring

$decrypted_data

Passed by reference

$public_key

$public_key must be the public key that corresponds to the private key that was used to encrypt the data.

$padding

OptionalTypeintDefault valueOPENSSL_PKCS1_PADDING

$padding can be one of OPENSSL_PKCS1_PADDING, OPENSSL_NO_PADDING.

Note that the parameter $decrypted_data is passed by reference, and contains additional/updated context data that may be useful.

Return value

Typebool

Returns true on success, false on failure

Changes to the openssl_public_decrypt Function

PHP 8.2

PHP 8.0

  • Return type added: bool
  • Parameter type added for parameter #1 ($data): string
  • Parameter name of parameter #2 changed: $crypted to $decrypted_data
  • Parameter name of parameter #3 changed: $key to $public_key
  • Parameter type added for parameter #4 ($padding): int
  • Parameter default value added for position #4 ($padding): OPENSSL_PKCS1_PADDING
  openssl_public_decrypt(
-     $data,
+     string $data,
-     &$crypted,
+     &$decrypted_data,
-     $key,
+     $public_key,
-     $padding
+     int $padding = OPENSSL_PKCS1_PADDING
-   )
+   ): bool

openssl_public_decrypt Function Availability

PHP VersionAvailability
PHP 8.6Upcoming Release Yes
PHP 8.5Supported (Latest) Yes
PHP 8.4Supported Yes
PHP 8.3Security-Fixes Only Yes
PHP 8.2Security-Fixes Only Yes
PHP 8.1Unsupported Yes
PHP 8.0Unsupported Yes
PHP 7.4Unsupported Yes
PHP 7.3Unsupported Yes
PHP 7.2Unsupported Yes
PHP 7.1Unsupported Yes
PHP 7.0Unsupported Yes
PHP 5.6Unsupported Yes
PHP 5.5Unsupported Yes
PHP 5.4Unsupported Yes
PHP 5.3Unsupported Yes