|
Chilkat •
HOME •
Android™ •
ASP •
Visual Basic •
VB.NET •
C# •
iOS (IPhone) •
Objective-C •
C++ •
C •
MFC •
Delphi •
FoxPro •
Java •
Perl •
PHP Extension •
PHP ActiveX •
Python •
PowerShell •
Ruby •
SQL Server •
VBScript
|
|
Verify Java SignatureDemonstrates how to verify a digital signature produced by Java.
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body> <% set pubKey = Server.CreateObject("Chilkat.PublicKey") ' Load an RSA public key from an ASN.1 DER file success = pubKey.LoadRsaDerFile("pubKey.der") If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( pubKey.LastErrorText) & "</pre>" End If ' Get the public key in XML format: pkeyXml = pubKey.GetXml() set rsa = Server.CreateObject("Chilkat.Rsa") ' Any string argument automatically begins the 30-day trial. success = rsa.UnlockComponent("30-day trial") If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( rsa.LastErrorText) & "</pre>" End If ' Import the public key into the RSA component: success = rsa.ImportPublicKey(pkeyXml) If (success <> 1) Then Response.Write "<pre>" & Server.HTMLEncode( rsa.LastErrorText) & "</pre>" End If rsa.EncodingMode = "base64" strData = "The quick brown fox jumps over the lazy dog" ' IMPORTANT: This Base64 signature will have to be updated ' with the digital signature produced by the Java code at: ' http://www.cknotes.com/?p=283 base64Sig = "VGV5A+bodHBpBwwJZdf17Bv+lkBTm/gteOf8iCgEEfNzBosZLaAB8X55BIZIkE2zKRXoMcJT+iCxsj+1hnlwJeKZ+Gya58lrHw6NWm2N0O/KyfnuEzADOM86X0xrkgdFT6SYpbZ9dWPC59NiHeEdVyjOXNJ3fBpUSQ5/5pvVWm0=" ' Verify the signature produced by the Java code at: ' http://www.cknotes.com/?p=283 ' The VerifyStringENC method hashes the input data and verifies ' the hash against the signature. success = rsa.VerifyStringENC(strData,"sha-1",base64Sig) ' Is the signature verified? If (success = 1) Then Response.Write "<pre>" & Server.HTMLEncode( "Signature Verified!") & "</pre>" Else Response.Write "<pre>" & Server.HTMLEncode( "Signature not verified!") & "</pre>" End If %> </body> </html> |
© 2000-2012 Chilkat Software, Inc. All Rights Reserved.
