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- encode the subjectPublicKey in a format Crypt_RSA can use (assuming the algorithm is rsaEncryption)

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git-svn-id: http://phpseclib.svn.sourceforge.net/svnroot/phpseclib/trunk@203 21d32557-59b3-4da0-833f-c5933fad653e
This commit is contained in:
Jim Wigginton 2012-03-11 19:00:28 +00:00
parent 1b161ece26
commit 1b2dde6e7d
1 changed files with 41 additions and 0 deletions
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41
phpseclib/File/X509.php
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@ -74,6 +74,12 @@ class File_X509 {
var $CertificatePolicies;
var $AuthorityInfoAccessSyntax;
var $SubjectAltName;
var $PrivateKeyUsagePeriod;
var $IssuerAltName;
var $PolicyMappings;
var $NameConstraints;
var $netscape_cert_type;
var $netscape_comment;
/**#@-*/
/**
@ -85,6 +91,22 @@ class File_X509 {
*/
var $oids;
/**
* The certificate authorities
*
* @var Array
* @access private
*/
var $CAs;
/**
* The currently loaded certificate
*
* @var Array
* @access private
*/
var $certificate;
/**
* Default Constructor.
*
@ -987,6 +1009,19 @@ class File_X509 {
}
}
switch ($x509['tbsCertificate']['subjectPublicKeyInfo']['algorithm']['algorithm']) {
case 'rsaEncryption':
$x509['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey'] =
"-----BEGIN PUBLIC KEY-----\r\n" .
// subjectPublicKey is stored as a bit string in X.509 certs. the first byte of a bit string represents how many bits
// in the last byte should be ignored. the following only supports non-zero stuff but as none of the X.509 certs Firefox
// uses as a cert authority actually use a non-zero bit I think it's safe to assume that none do.
chunk_split(base64_encode(substr(base64_decode($x509['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey']), 1))) .
'-----END PUBLIC KEY-----';
}
$this->currentCert = $x509;
return $x509;
}
@ -998,6 +1033,12 @@ class File_X509 {
*/
function saveX509($cert)
{
switch ($cert['tbsCertificate']['subjectPublicKeyInfo']['algorithm']['algorithm']) {
case 'rsaEncryption':
$cert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey'] =
base64_encode("\0" . base64_decode(preg_replace('#-.+-|[\r\n]#', '', $cert['tbsCertificate']['subjectPublicKeyInfo']['subjectPublicKey'])));
}
$asn1 = new File_ASN1();
$asn1->loadOIDs($this->oids);