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<?php |
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namespace LE_ACME2\Utilities; |
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class KeyGenerator { |
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/** |
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* Generates a new RSA keypair and saves both keys to a new file. |
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* |
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* @param string $directory The directory in which to store the new keys. |
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* @param string $privateKeyFile The filename for the private key file. |
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* @param string $publicKeyFile The filename for the public key file. |
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*/ |
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public static function RSA(string $directory, string $privateKeyFile = 'private.pem', string $publicKeyFile = 'public.pem') { |
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$res = openssl_pkey_new([ |
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"private_key_type" => OPENSSL_KEYTYPE_RSA, |
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"private_key_bits" => 4096, |
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]); |
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if(!openssl_pkey_export($res, $privateKey)) |
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throw new \RuntimeException("RSA keypair export failed!"); |
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$details = openssl_pkey_get_details($res); |
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file_put_contents($directory . $privateKeyFile, $privateKey); |
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file_put_contents($directory . $publicKeyFile, $details['key']); |
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if(PHP_MAJOR_VERSION < 8) { |
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// deprecated after PHP 8.0.0 and not needed anymore |
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openssl_pkey_free($res); |
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} |
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} |
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/** |
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* Generates a new EC prime256v1 keypair and saves both keys to a new file. |
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* |
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* @param string $directory The directory in which to store the new keys. |
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* @param string $privateKeyFile The filename for the private key file. |
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* @param string $publicKeyFile The filename for the public key file. |
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*/ |
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public static function EC(string $directory, string $privateKeyFile = 'private.pem', string $publicKeyFile = 'public.pem') { |
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if (version_compare(PHP_VERSION, '7.1.0') == -1) |
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throw new \RuntimeException("PHP 7.1+ required for EC keys"); |
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$res = openssl_pkey_new([ |
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"private_key_type" => OPENSSL_KEYTYPE_EC, |
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"curve_name" => "prime256v1", |
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]); |
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if(!openssl_pkey_export($res, $privateKey)) |
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throw new \RuntimeException("EC keypair export failed!"); |
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$details = openssl_pkey_get_details($res); |
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file_put_contents($directory . $privateKeyFile, $privateKey); |
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file_put_contents($directory . $publicKeyFile, $details['key']); |
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if(PHP_MAJOR_VERSION < 8) { |
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// deprecated after PHP 8.0.0 and not needed anymore |
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openssl_pkey_free($res); |
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} |
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} |
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} |
fbett /
le-acme2-php
