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PKCS8: make it so keys can be saved as PEMs or DERs

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This commit is contained in:
terrafrost 2024-09-25 21:54:55 -05:00
parent fb3aa8d8ab
commit a3ef82e281
5 changed files with 36 additions and 5 deletions
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33
phpseclib/Crypt/Common/Formats/Keys/PKCS8.php
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@ -83,6 +83,13 @@ abstract class PKCS8 extends PKCS
*/
private static $oidsLoaded = false;
/**
* Binary key flag
*
* @var bool
*/
private static $binary = false;
/**
* Sets the default encryption algorithm
*
@ -513,6 +520,18 @@ abstract class PKCS8 extends PKCS
throw new \RuntimeException('Unable to parse using either OneAsymmetricKey or PublicKeyInfo ASN1 maps');
}
/**
* Toggle between binary (DER) and printable (PEM) keys
*
* Printable keys are what are generated by default.
*
* @param bool $enabled
*/
public static function setBinaryOutput($enabled)
{
self::$binary = $enabled;
}
/**
* Wrap a private key appropriately
*
@ -616,11 +635,19 @@ abstract class PKCS8 extends PKCS
$key = ASN1::encodeDER($key, Maps\EncryptedPrivateKeyInfo::MAP);
if (isset($options['binary']) ? $options['binary'] : self::$binary) {
return $key;
}
return "-----BEGIN ENCRYPTED PRIVATE KEY-----\r\n" .
chunk_split(Strings::base64_encode($key), 64) .
"-----END ENCRYPTED PRIVATE KEY-----";
}
if (isset($options['binary']) ? $options['binary'] : self::$binary) {
return $key;
}
return "-----BEGIN PRIVATE KEY-----\r\n" .
chunk_split(Strings::base64_encode($key), 64) .
"-----END PRIVATE KEY-----";
@ -634,7 +661,7 @@ abstract class PKCS8 extends PKCS
* @param string $oid
* @return string
*/
protected static function wrapPublicKey($key, $params, $oid = null)
protected static function wrapPublicKey($key, $params, $oid = null, array $options = [])
{
self::initialize_static_variables();
@ -651,6 +678,10 @@ abstract class PKCS8 extends PKCS
$key = ASN1::encodeDER($key, Maps\PublicKeyInfo::MAP);
if (isset($options['binary']) ? $options['binary'] : self::$binary) {
return $key;
}
return "-----BEGIN PUBLIC KEY-----\r\n" .
chunk_split(Strings::base64_encode($key), 64) .
"-----END PUBLIC KEY-----";

2
phpseclib/Crypt/DH/Formats/Keys/PKCS8.php
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@ -127,6 +127,6 @@ abstract class PKCS8 extends Progenitor
$params = ASN1::encodeDER($params, Maps\DHParameter::MAP);
$params = new ASN1\Element($params);
$key = ASN1::encodeDER($publicKey, ['type' => ASN1::TYPE_INTEGER]);
return self::wrapPublicKey($key, $params);
return self::wrapPublicKey($key, $params, null, $options);
}
}

2
phpseclib/Crypt/DSA/Formats/Keys/PKCS8.php
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@ -141,6 +141,6 @@ abstract class PKCS8 extends Progenitor
$params = ASN1::encodeDER($params, Maps\DSAParams::MAP);
$params = new ASN1\Element($params);
$key = ASN1::encodeDER($y, Maps\DSAPublicKey::MAP);
return self::wrapPublicKey($key, $params);
return self::wrapPublicKey($key, $params, null, $options);
}
}

2
phpseclib/Crypt/EC/Formats/Keys/PKCS8.php
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@ -186,7 +186,7 @@ abstract class PKCS8 extends Progenitor
$key = "\4" . $publicKey[0]->toBytes() . $publicKey[1]->toBytes();
return self::wrapPublicKey($key, $params, 'id-ecPublicKey');
return self::wrapPublicKey($key, $params, 'id-ecPublicKey', $options);
}
/**

2
phpseclib/Crypt/RSA/Formats/Keys/PKCS8.php
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@ -117,6 +117,6 @@ abstract class PKCS8 extends Progenitor
{
$key = PKCS1::savePublicKey($n, $e);
$key = ASN1::extractBER($key);
return self::wrapPublicKey($key, null);
return self::wrapPublicKey($key, null, null, $options);
}
}