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author | Friendika <info@friendika.com> | 2011-08-09 18:55:46 -0700 |
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committer | Friendika <info@friendika.com> | 2011-08-09 18:55:46 -0700 |
commit | 1bfe1283aa38454369f29883411a6c012c88df59 (patch) | |
tree | b85f93b9d4c6b40bf4678ccd32fea7b9531f27bb /include/certfns.php | |
parent | 49be3941828668e762141972afa1324045805f20 (diff) | |
download | volse-hubzilla-1bfe1283aa38454369f29883411a6c012c88df59.tar.gz volse-hubzilla-1bfe1283aa38454369f29883411a6c012c88df59.tar.bz2 volse-hubzilla-1bfe1283aa38454369f29883411a6c012c88df59.zip |
crypto stuff
Diffstat (limited to 'include/certfns.php')
-rw-r--r-- | include/certfns.php | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/include/certfns.php b/include/certfns.php deleted file mode 100644 index aa84cfeb6..000000000 --- a/include/certfns.php +++ /dev/null @@ -1,130 +0,0 @@ -<?php - -require_once('library/ASNValue.class.php'); - -function DerToPem($Der, $Private=false) -{ - //Encode: - $Der = base64_encode($Der); - //Split lines: - $lines = str_split($Der, 65); - $body = implode("\n", $lines); - //Get title: - $title = $Private? 'RSA PRIVATE KEY' : 'PUBLIC KEY'; - //Add wrapping: - $result = "-----BEGIN {$title}-----\n"; - $result .= $body . "\n"; - $result .= "-----END {$title}-----\n"; - - return $result; -} - -function DerToRsa($Der) -{ - //Encode: - $Der = base64_encode($Der); - //Split lines: - $lines = str_split($Der, 65); - $body = implode("\n", $lines); - //Get title: - $title = 'RSA PUBLIC KEY'; - //Add wrapping: - $result = "-----BEGIN {$title}-----\n"; - $result .= $body . "\n"; - $result .= "-----END {$title}-----\n"; - - return $result; -} - - -function pkcs8_encode($Modulus,$PublicExponent) { - //Encode key sequence - $modulus = new ASNValue(ASNValue::TAG_INTEGER); - $modulus->SetIntBuffer($Modulus); - $publicExponent = new ASNValue(ASNValue::TAG_INTEGER); - $publicExponent->SetIntBuffer($PublicExponent); - $keySequenceItems = array($modulus, $publicExponent); - $keySequence = new ASNValue(ASNValue::TAG_SEQUENCE); - $keySequence->SetSequence($keySequenceItems); - //Encode bit string - $bitStringValue = $keySequence->Encode(); - $bitStringValue = chr(0x00) . $bitStringValue; //Add unused bits byte - $bitString = new ASNValue(ASNValue::TAG_BITSTRING); - $bitString->Value = $bitStringValue; - //Encode body - $bodyValue = "\x30\x0d\x06\x09\x2a\x86\x48\x86\xf7\x0d\x01\x01\x01\x05\x00" . $bitString->Encode(); - $body = new ASNValue(ASNValue::TAG_SEQUENCE); - $body->Value = $bodyValue; - //Get DER encoded public key: - $PublicDER = $body->Encode(); - return $PublicDER; -} - - -function pkcs1_encode($Modulus,$PublicExponent) { - //Encode key sequence - $modulus = new ASNValue(ASNValue::TAG_INTEGER); - $modulus->SetIntBuffer($Modulus); - $publicExponent = new ASNValue(ASNValue::TAG_INTEGER); - $publicExponent->SetIntBuffer($PublicExponent); - $keySequenceItems = array($modulus, $publicExponent); - $keySequence = new ASNValue(ASNValue::TAG_SEQUENCE); - $keySequence->SetSequence($keySequenceItems); - //Encode bit string - $bitStringValue = $keySequence->Encode(); - return $bitStringValue; -} - - -function metopem($m,$e) { - $der = pkcs8_encode($m,$e); - $key = DerToPem($der,false); - return $key; -} - - -function pubrsatome($key,&$m,&$e) { - require_once('library/asn1.php'); - require_once('include/salmon.php'); - - $lines = explode("\n",$key); - unset($lines[0]); - unset($lines[count($lines)]); - $x = base64_decode(implode('',$lines)); - - $r = ASN_BASE::parseASNString($x); - - $m = base64url_decode($r[0]->asnData[0]->asnData); - $e = base64url_decode($r[0]->asnData[1]->asnData); -} - - -function rsatopem($key) { - pubrsatome($key,$m,$e); - return(metopem($m,$e)); -} - -function pemtorsa($key) { - pemtome($key,$m,$e); - return(metorsa($m,$e)); -} - -function pemtome($key,&$m,&$e) { - require_once('include/salmon.php'); - $lines = explode("\n",$key); - unset($lines[0]); - unset($lines[count($lines)]); - $x = base64_decode(implode('',$lines)); - - $r = ASN_BASE::parseASNString($x); - - $m = base64url_decode($r[0]->asnData[1]->asnData[0]->asnData[0]->asnData); - $e = base64url_decode($r[0]->asnData[1]->asnData[0]->asnData[1]->asnData); -} - -function metorsa($m,$e) { - $der = pkcs1_encode($m,$e); - $key = DerToRsa($der); - return $key; -} - |