openssl_dh_compute_key

Function • Misc changes in PHP 8.2

Computes shared secret for public value of remote DH public key and local DH key.

PHP 5

PHP 7

Improved

PHP 8.1

Changed

PHP 8.3

PHP 8.4

PHP 8.5

PHP 8.6

openssl_dh_compute_key(string $public_key, OpenSSLAsymmetricKey $private_key): string|false

Typestring

DH Public key of the remote party.

TypeOpenSSLAsymmetricKey

A local DH private key, corresponding to the public key to be shared with the remote party.

Typestring|false

Returns shared secret on success or false on failure.

Changes to the `openssl_dh_compute_key` Function

Return type added: string|false
Parameter name of parameter #1 changed: $pub_key to $public_key
Parameter type added for parameter #1 ($public_key): string
Parameter name of parameter #2 changed: $dh_key to $private_key
Parameter type added for parameter #2 ($private_key): OpenSSLAsymmetricKey

- openssl_dh_compute_key($pub_key, $dh_key)
+ openssl_dh_compute_key(string $public_key, OpenSSLAsymmetricKey $private_key): string|false