Imports System Imports System.Diagnostics Imports System.Reflection Imports System.IO Imports System.Text Imports CryptoSysPKI Module TestChile ' $Id: basTestChile $ ' $Date: 2009-05-07 17:41 $ ' $Author: dai $ ' This module uses functions from the CryptoSys (tm) PKI Toolkit available from ' <www.cryptosys.net/pki/>. ' *************************** COPYRIGHT NOTICE ****************************** ' This code was originally written by David Ireland and is copyright ' (C) 2008-10 DI Management Services Pty Ltd <www.di-mgt.com.au>. ' Provided "as is". No warranties. Use at your own risk. You must make your ' own assessment of its accuracy and suitability for your own purposes. ' It is not to be altered or distributed, except as part of an application. ' You are free to use it in any application, provided this copyright notice ' is left unchanged. ' ************************ END OF COPYRIGHT NOTICE ************************** ' NOTES: Some of these procedures are specific for the Chile SII examples. ' Other procedures are more generic and could be used in more general PKI ' programs, perhaps with minor amendments. ' These are marked $GENERIC-FUNCTION$. ' Ref: F60T33-ejemplo.xml Public Sub Read_SmallerKeys() ' From manual_certificacion.pdf, 2003-11-26, p25 Dim strKeyPem As String Dim nRet As Integer Dim strPrivateKey As String Dim strPublicKey As String Dim strXmlKey As String Dim strSig64 As String Dim abData() As Byte Dim nDataLen As Integer Dim nKeyLen As Integer Dim abDigest() As Byte ' CAUTION: Your real Private Key should be kept SECRET and should never be hard-coded in code like, er, this... ' Put PEM data into a string ' (Note two critical vbCrLF's added before and after base64 data) strKeyPem = "-----BEGIN RSA PRIVATE KEY-----" & vbCrLf & _ "MIIBOwIBAAJBANGuDuim8fEI9yuIlkj+MOyp3mWHifoP6a4oWLSBKJSrd3MpEsZd" & _ "czvL0l7t/e0IU5rF+0gRLnU1Mfvtsw1wYWcCAQMCQQCLyV9FxKFLW09yWw7bVCCd" & _ "xpRDr7FRX/EexZB4VhsNxm/vtJfDZyYle0Lfy42LlcsXxPm1w6Q6NnjuW+AeBy67" & _ "AiEA7iMi5q5xjswqq+49RP55o//jqdZL/pC9rdnUKxsNRMMCIQDhaHdIctErN2hC" & _ "IP9knS3+9zra4R+5jSXOvI+3xVhWjQIhAJ7CF0R0S7SIHHKe04NUURf/7RvkMqm1" & _ "08k74sdnXi3XAiEAlkWk2vc2HM+a1sCqQxNz/098ketqe7NuidMKeoOQObMCIQCk" & _ "FAMS9IcPcMjk7zI2r/4EEW63PSXyN7MFAX7TYe25mw==" & vbCrLf & _ "-----END RSA PRIVATE KEY-----" ' Read the PEM private key data into an internal key string we can use later on... ' -- this example key is stored in a PKCS#8 PrivateKeyInfo without a password :-( strPrivateKey = Rsa.ReadPrivateKeyInfo(strKeyPem).ToString() ' CAUTION: the above trick to read into a string is a big security risk ' -- the point of using a StringBuilder is that it can be wiped later Console.WriteLine("Private key is " & Rsa.KeyBits(strPrivateKey) & " bits") ' Now we compare this private key with the published public key in the XML file... ' Form XML string of public key in proper XMLSIG format using <RSAPK> element from XML file ' <RSAPK><M>0a4O6Kbx8Qj3K4iWSP4w7KneZYeJ+g/prihYtIEolKt3cykSxl1zO8vSXu397QhTmsX7SBEudTUx++2zDXBhZw==</M><E>Aw==</E></RSAPK> ' NOTE: We have changed the element names to the required XMLSIG format: ' <RSAPK> --> <RSAKeyValue> ' <M> --> <Modulus> ' <E> --> <Exponent> strXmlKey = "<RSAKeyValue>" & _ "<Modulus>0a4O6Kbx8Qj3K4iWSP4w7KneZYeJ+g/prihYtIEolKt3cykSxl1zO8vSXu397QhTmsX7SBEudTUx++2zDXBhZw==</Modulus>" & _ "<Exponent>Aw==</Exponent></RSAKeyValue>" ' Convert XML form to our internal format strPublicKey = Rsa.FromXMLString(strXmlKey, False) Console.WriteLine("Public key is " & Rsa.KeyBits(strPublicKey) & " bits") ' Check that key pairs match... nRet = Rsa.KeyMatch(strPrivateKey, strPublicKey) Console.WriteLine("RSA_KeyMatch returns " & nRet & " (expecting 0)") ' Then use the PUBLIC key to extract the message digest from the signature value... ' Extract digest from FRMT ' <FRMT algoritmo="SHA1withRSA">GbmDcS9e/jVC2LsLIe1iRV12Bf6lxsILtbQiCkh6mbjckFCJ7fj/kakFTS06Jo8i ' S4HXvJj3oYZuey53Krniew==</FRMT> strSig64 = "GbmDcS9e/jVC2LsLIe1iRV12Bf6lxsILtbQiCkh6mbjckFCJ7fj/kakFTS06Jo8iS4HXvJj3oYZuey53Krniew==" ' Convert signatureValue to byte format abData = System.Convert.FromBase64String(strSig64) Console.WriteLine("SIGNATURE=" & Cnv.ToHex(abData)) nDataLen = abData.Length Console.WriteLine("Signature is " & nDataLen & " bytes long") ' Check the length nKeyLen = Rsa.KeyBytes(strPublicKey) Console.WriteLine("Key is " & nKeyLen & " bytes long") If nKeyLen <> nDataLen Then Console.WriteLine("ERROR: Key is the wrong length!") Exit Sub End If ' Decrypt the signature abData = Rsa.RawPublic(abData, strPublicKey) Console.WriteLine("RSA_RawPublic returns " & nRet & " (expecting 0)") If nRet <> 0 Then Console.WriteLine("ERROR: " & General.ErrorLookup(nRet)) Exit Sub End If Console.WriteLine("EMSA BLOCK=" & Cnv.ToHex(abData)) ' Extract digest from block abDigest = Rsa.DecodeDigestForSignature(abData) ' Display digest bytes as hex and base64 Console.WriteLine("DIGEST=" & Cnv.ToHex(abDigest)) Console.WriteLine("base64=" & System.Convert.ToBase64String(abDigest)) End Sub Public Sub MakeFRMTdigest() ' This should give the same digest value we obtained above. Dim strData As String Dim strDigest As String ' Put <DD> data into a single string with no spaces between elements (and fix double-quotes for VB when hard-coded here!) strData = "<DD><RE>97975000-5</RE><TD>33</TD><F>60</F><FE>2003-10-13</FE><RR>77777777-7</RR><RSR>EMPRESA LTDA</RSR><MNT>119000</MNT><IT1>Parlantes Multimedia 180W.</IT1><CAF version=""1.0""><DA><RE>97975000-5</RE><RS>RUT DE PRUEBA</RS><TD>33</TD><RNG><D>1</D><H>200</H></RNG><FA>2003-09-04</FA><RSAPK><M>0a4O6Kbx8Qj3K4iWSP4w7KneZYeJ+g/prihYtIEolKt3cykSxl1zO8vSXu397QhTmsX7SBEudTUx++2zDXBhZw==</M><E>Aw==</E></RSAPK><IDK>100</IDK></DA><FRMA algoritmo=""SHA1withRSA"">g1AQX0sy8NJugX52k2hTJEZAE9Cuul6pqYBdFxj1N17umW7zG/hAavCALKByHzdYAfZ3LhGTXCai5zNxOo4lDQ==</FRMA></CAF><TSTED>2003-10-13T09:33:20</TSTED></DD>" ' Create an SHA-1 digest value in hex format strDigest = Hash.HexFromString(strData, HashAlgorithm.Sha1) Console.WriteLine("SHA1(DD)=" & strDigest) ' Display in base64 Console.WriteLine("SHA1(DD)=" & System.Convert.ToBase64String(Cnv.FromHex(strDigest))) End Sub Public Sub SignDDtoMakeFRMTsig() ' Use the RSA private key to sign the <DD> data. ' INPUT: RSA private key in PEM format ' Data-to-be signed ' OUTPUT: SignatureValue in base64 form Dim strKeyPem As String Dim strData As String Dim strPrivateKey As String Dim nKeyBytes As Integer Dim abBlock() As Byte Dim abData() As Byte Dim nDataLen As Integer Dim strSigVal64 As String ' Input data: strData = "<DD><RE>97975000-5</RE><TD>33</TD><F>60</F><FE>2003-10-13</FE><RR>77777777-7</RR><RSR>EMPRESA LTDA</RSR><MNT>119000</MNT><IT1>Parlantes Multimedia 180W.</IT1><CAF version=""1.0""><DA><RE>97975000-5</RE><RS>RUT DE PRUEBA</RS><TD>33</TD><RNG><D>1</D><H>200</H></RNG><FA>2003-09-04</FA><RSAPK><M>0a4O6Kbx8Qj3K4iWSP4w7KneZYeJ+g/prihYtIEolKt3cykSxl1zO8vSXu397QhTmsX7SBEudTUx++2zDXBhZw==</M><E>Aw==</E></RSAPK><IDK>100</IDK></DA><FRMA algoritmo=""SHA1withRSA"">g1AQX0sy8NJugX52k2hTJEZAE9Cuul6pqYBdFxj1N17umW7zG/hAavCALKByHzdYAfZ3LhGTXCai5zNxOo4lDQ==</FRMA></CAF><TSTED>2003-10-13T09:33:20</TSTED></DD>" strKeyPem = "-----BEGIN RSA PRIVATE KEY-----" & vbCrLf & _ "MIIBOwIBAAJBANGuDuim8fEI9yuIlkj+MOyp3mWHifoP6a4oWLSBKJSrd3MpEsZd" & _ "czvL0l7t/e0IU5rF+0gRLnU1Mfvtsw1wYWcCAQMCQQCLyV9FxKFLW09yWw7bVCCd" & _ "xpRDr7FRX/EexZB4VhsNxm/vtJfDZyYle0Lfy42LlcsXxPm1w6Q6NnjuW+AeBy67" & _ "AiEA7iMi5q5xjswqq+49RP55o//jqdZL/pC9rdnUKxsNRMMCIQDhaHdIctErN2hC" & _ "IP9knS3+9zra4R+5jSXOvI+3xVhWjQIhAJ7CF0R0S7SIHHKe04NUURf/7RvkMqm1" & _ "08k74sdnXi3XAiEAlkWk2vc2HM+a1sCqQxNz/098ketqe7NuidMKeoOQObMCIQCk" & _ "FAMS9IcPcMjk7zI2r/4EEW63PSXyN7MFAX7TYe25mw==" & vbCrLf & _ "-----END RSA PRIVATE KEY-----" ' Read the PEM private key data into an internal key string strPrivateKey = Rsa.ReadPrivateKeyInfo(strKeyPem).ToString() ' CAUTION: the above trick to read into a string is a big security risk ' -- the point of using a StringBuilder is that it can be wiped later Console.WriteLine("Private key is " & Rsa.KeyBits(strPrivateKey) & " bits long") ' Convert the input data string into a byte array abData = System.Text.Encoding.Default.GetBytes(strData) Console.WriteLine("Data=(0x)" & Cnv.ToHex(abData)) nDataLen = UBound(abData) + 1 Console.WriteLine("Input data is " & nDataLen & " bytes long") ' Encode into a block the exact same length as the RSA key... ' Get the length of the key in bytes -- we need an output block exactly this length nKeyBytes = Rsa.KeyBytes(strPrivateKey) Console.WriteLine("Private key is " & nKeyBytes & " bytes long") ' Encode the data -- this computes the message digest and then encodes into an EMSA block in one step abBlock = Rsa.EncodeMsgForSignature(nKeyBytes, abData, HashAlgorithm.Sha1) If abBlock.Length = 0 Then Console.WriteLine("ERROR: RSA_EncodeMsg failed. Error: " & General.LastError()) Exit Sub End If Console.WriteLine("EMSA BLOCK=" & Cnv.ToHex(abBlock)) ' Sign, i.e. encrypt, the encoded block with the RSA private key abBlock = Rsa.RawPrivate(abBlock, strPrivateKey) If abBlock.Length = 0 Then Console.WriteLine("ERROR: RSA_RawPrivate failed. Error: " & General.LastError()) Exit Sub End If Console.WriteLine("SIGNATURE= " & Cnv.ToHex(abBlock)) ' Convert byte array to base64 strSigVal64 = System.Convert.ToBase64String(abBlock) Console.WriteLine("SignatureValue=" & strSigVal64) End Sub Public Function XmlHexFromInternalKey(ByVal strKey As String) As String ' $GENERIC-FUNCTION$ ' INPUT: Public or private RSA key in internal format ' OUTPUT: String containing RSAKeyValue in XML format Dim strXmlKey As String Dim nOptions As Rsa.XmlOptions nOptions = Rsa.XmlOptions.HexBinaryFormat or Rsa.XmlOptions.ExcludePrivateParams or Rsa.XmlOptions.ForceRSAKeyValue strXmlKey = Rsa.ToXMLString(strKey, nOptions) If strXmlKey.Length > 0 Then XmlHexFromInternalKey = strXmlKey Else XmlHexFromInternalKey = "**Failed to create public key in XML" End If End Function Public Function IsCertAndKeyValueMatched(ByVal strCert64 As String, ByVal strXmlKey As String) As Boolean ' $GENERIC-FUNCTION$ ' Compare the public key values in <RSAKeyValue> and <X509Certificate> values ' INPUT: RSAKeyValue in base64 string INCLUDING <RSAKeyValue> tags; ' X509Certificate in base64 string EXCLUDING <X509Certificate> tags ' OUTPUT: True if public key matches; otherwise False. ' REMARKS: The X509Certificate contains the public key value plus other info. Dim strPublicKey As String Dim strQuery As String Dim strOutput As String Dim nHashCode1 As Integer Dim nHashCode2 As Integer ' Query the certificate for details... strQuery = "issuerName" strOutput = X509.QueryCert(strCert64, strQuery) If strOutput.Length = 0 Then Console.WriteLine("ERROR: Error reading certificate: " & General.LastError) Exit Function ' ERROR End If Console.WriteLine(strQuery & "=" & strOutput) strQuery = "serialNumber" strOutput = X509.QueryCert(strCert64, strQuery) If strOutput.Length = 0 Then Console.WriteLine("ERROR: Error reading certificate: " & General.LastError) Exit Function ' ERROR End If Console.WriteLine(strQuery & "=" & strOutput) strQuery = "subjectName" strOutput = X509.QueryCert(strCert64, strQuery) If strOutput.Length = 0 Then Console.WriteLine("ERROR: Error reading certificate: " & General.LastError) Exit Function ' ERROR End If Console.WriteLine(strQuery & "=" & strOutput) strQuery = "notBefore" strOutput = X509.QueryCert(strCert64, strQuery) If strOutput.Length = 0 Then Console.WriteLine("ERROR: Error reading certificate: " & General.LastError) Exit Function ' ERROR End If Console.WriteLine(strQuery & "=" & strOutput) strQuery = "signatureAlgorithm" strOutput = X509.QueryCert(strCert64, strQuery) If strOutput.Length = 0 Then Console.WriteLine("ERROR: Error reading certificate: " & General.LastError) Exit Function ' ERROR End If Console.WriteLine(strQuery & "=" & strOutput) ' Extract public key from X.509 certificate strPublicKey = Rsa.GetPublicKeyFromCert(strCert64).ToString() If strPublicKey.Length = 0 Then Console.WriteLine("ERROR: Error reading certificate key: " & General.LastError) Exit Function ' ERROR End If Console.WriteLine("Public key extracted from <X509Certificate>:") Console.WriteLine("Public key is " & Rsa.KeyBits(strPublicKey) & " bits") nHashCode1 = Rsa.KeyHashCode(strPublicKey) Console.WriteLine("Public key hashcode = {0,8:X}", nHashCode1) ' While we're here, display the public key in XML format Console.WriteLine(XmlHexFromInternalKey(strPublicKey)) ' Convert XML form to our internal format (this requires the <RSAKeyvalue> tags) strPublicKey = Rsa.FromXMLString(strXmlKey, false) If strPublicKey.Length = 0 Then Console.WriteLine("ERROR: Unable to read XML key string") Exit Function End If Console.WriteLine("Public key given in <RSAKeyValue>:") Console.WriteLine("Public key is " & Rsa.KeyBits(strPublicKey) & " bits") nHashCode2 = Rsa.KeyHashCode(strPublicKey) Console.WriteLine("Public key hashcode = {0,8:X}", nHashCode2) Console.WriteLine(XmlHexFromInternalKey(strPublicKey)) If nHashCode1 = nHashCode2 Then IsCertAndKeyValueMatched = True Console.WriteLine("OK, public keys match.") Else IsCertAndKeyValueMatched = False Console.WriteLine("ERROR: public keys do not match.") End If End Function Public Sub CheckExampleCertAndRSAKey() ' Ref: F60T33-ejemplo.xml, 2003-10-13 ' THIS TEST FAILS BECAUSE THE RSAKeyValue IS WRONG ' <RSAKeyValue> ' <Modulus> ' tNEknkb1kHiD1OOAWlLKkcH/UP5UGa6V6MYso++JB+vYMg2OXFROAF7G8BNFFPQx ' iuS/7y1azZljN2xq+bW3bAou1bW2ij7fxSXWTJYFZMAyndbLyGHM1e3nVmwpgEpx ' BHhZzPvwLb55st1wceuKjs2Ontb13J33sUb7bbJMWh0= ' </Modulus> ' <Exponent> ' AQAB ' </Exponent> ' </RSAKeyValue> ' <X509Certificate>MIIEgjCCA+ugAwIBAgIEAQAApzANBgkqhkiG9w0BAQUFADCBtTELMAkGA1UEBhMC ' Q0wxHTAbBgNVBAgUFFJlZ2lvbiBNZXRyb3BvbGl0YW5hMREwDwYDVQQHFAhTYW50 ' aWFnbzEUMBIGA1UEChQLRS1DRVJUQ0hJTEUxIDAeBgNVBAsUF0F1dG9yaWRhZCBD ' ZXJ0aWZpY2Fkb3JhMRcwFQYDVQQDFA5FLUNFUlRDSElMRSBDQTEjMCEGCSqGSIb3 ' DQEJARYUZW1haWxAZS1jZXJ0Y2hpbGUuY2wwHhcNMDMxMDAxMTg1ODE1WhcNMDQw ' OTMwMDAwMDAwWjCBuDELMAkGA1UEBhMCQ0wxFjAUBgNVBAgUDU1ldHJvcG9saXRh ' bmExETAPBgNVBAcUCFNhbnRpYWdvMScwJQYDVQQKFB5TZXJ2aWNpbyBkZSBJbXB1 ' ZXN0b3MgSW50ZXJub3MxDzANBgNVBAsUBlBpc28gNDEjMCEGA1UEAxQaV2lsaWJh ' bGRvIEdvbnphbGV6IENhYnJlcmExHzAdBgkqhkiG9w0BCQEWEHdnb256YWxlekBz ' aWkuY2wwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBALxZlVh1xr9sKQIBDF/6 ' Va+lsHQSG5AAmCWvtNTIOXN3E9EQCy7pOPHrDg6EusvoHyesZSKJbc0TnIFXZp78 ' q7mbdHijzKqvMmyvwbdP7KK8LQfwf84W4v9O8MJeUHlbJGlo5nFACrPAeTtONbHa ' ReyzeMDv2EganNEDJc9c+UNfAgMBAAGjggGYMIIBlDAjBgNVHREEHDAaoBgGCCsG ' AQQBwQEBoAwWCjA3ODgwNDQyLTQwCQYDVR0TBAIwADA8BgNVHR8ENTAzMDGgL6At ' hitodHRwOi8vY3JsLmUtY2VydGNoaWxlLmNsL2UtY2VydGNoaWxlY2EuY3JsMCMG ' A1UdEgQcMBqgGAYIKwYBBAHBAQKgDBYKOTY5MjgxODAtNTAfBgNVHSMEGDAWgBTg ' KP3S4GBPs0brGsz1CJEHcjodCDCB0AYDVR0gBIHIMIHFMIHCBggrBgEEAcNSBTCB ' tTAvBggrBgEFBQcCARYjaHR0cDovL3d3dy5lLWNlcnRjaGlsZS5jbC8yMDAwL0NQ ' Uy8wgYEGCCsGAQUFBwICMHUac0VsIHRpdHVsYXIgaGEgc2lkbyB2YWxpZG8gZW4g ' Zm9ybWEgcHJlc2VuY2lhbCwgcXVlZGFuZG8gZWwgQ2VydGlmaWNhZG8gcGFyYSB1 ' c28gdHJpYnV0YXJpbywgcGFnb3MsIGNvbWVyY2lvIHkgb3Ryb3MwCwYDVR0PBAQD ' AgTwMA0GCSqGSIb3DQEBBQUAA4GBABMfCyJF0mNXcov8iEWvjGFyyPTsXwvsYbbk ' OJ41wjaGOFMCInb4WY0ngM8BsDV22bGMs8oLyX7rVy16bGA8Z7WDUtYhoOM7mqXw ' /Hrpqjh3JgAf8zqdzBdH/q6mAbdvq/yb04JHKWPC7fMFuBoeyVWAnhmuMZfReWQi ' MUEHGGIW</X509Certificate> Dim strCert64 As String Dim strXmlKey As String strCert64 = "MIIEgjCCA+ugAwIBAgIEAQAApzANBgkqhkiG9w0BAQUFADCBtTELMAkGA1UEBhMCQ0wxHTAbBgNVBAgUFFJlZ2lvbiBNZXRyb3BvbGl0YW5hMREwDwYDVQQHFAhTYW50aWFnbzEUMBIGA1UEChQLRS1DRVJUQ0hJTEUxIDAeBgNVBAsUF0F1dG9yaWRhZCBDZXJ0aWZpY2Fkb3JhMRcwFQYDVQQDFA5FLUNFUlRDSElMRSBD" & _ "QTEjMCEGCSqGSIb3DQEJARYUZW1haWxAZS1jZXJ0Y2hpbGUuY2wwHhcNMDMxMDAxMTg1ODE1WhcNMDQwOTMwMDAwMDAwWjCBuDELMAkGA1UEBhMCQ0wxFjAUBgNVBAgUDU1ldHJvcG9saXRhbmExETAPBgNVBAcUCFNhbnRpYWdvMScwJQYDVQQKFB5TZXJ2aWNpbyBkZSBJbXB1ZXN0b3MgSW50ZXJub3MxDzANBgNVBAsU" & _ "BlBpc28gNDEjMCEGA1UEAxQaV2lsaWJhbGRvIEdvbnphbGV6IENhYnJlcmExHzAdBgkqhkiG9w0BCQEWEHdnb256YWxlekBzaWkuY2wwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBALxZlVh1xr9sKQIBDF/6Va+lsHQSG5AAmCWvtNTIOXN3E9EQCy7pOPHrDg6EusvoHyesZSKJbc0TnIFXZp78q7mbdHijzKqvMmyv" & _ "wbdP7KK8LQfwf84W4v9O8MJeUHlbJGlo5nFACrPAeTtONbHaReyzeMDv2EganNEDJc9c+UNfAgMBAAGjggGYMIIBlDAjBgNVHREEHDAaoBgGCCsGAQQBwQEBoAwWCjA3ODgwNDQyLTQwCQYDVR0TBAIwADA8BgNVHR8ENTAzMDGgL6AthitodHRwOi8vY3JsLmUtY2VydGNoaWxlLmNsL2UtY2VydGNoaWxlY2EuY3JsMCMG" & _ "A1UdEgQcMBqgGAYIKwYBBAHBAQKgDBYKOTY5MjgxODAtNTAfBgNVHSMEGDAWgBTgKP3S4GBPs0brGsz1CJEHcjodCDCB0AYDVR0gBIHIMIHFMIHCBggrBgEEAcNSBTCBtTAvBggrBgEFBQcCARYjaHR0cDovL3d3dy5lLWNlcnRjaGlsZS5jbC8yMDAwL0NQUy8wgYEGCCsGAQUFBwICMHUac0VsIHRpdHVsYXIgaGEgc2lk" & _ "byB2YWxpZG8gZW4gZm9ybWEgcHJlc2VuY2lhbCwgcXVlZGFuZG8gZWwgQ2VydGlmaWNhZG8gcGFyYSB1c28gdHJpYnV0YXJpbywgcGFnb3MsIGNvbWVyY2lvIHkgb3Ryb3MwCwYDVR0PBAQDAgTwMA0GCSqGSIb3DQEBBQUAA4GBABMfCyJF0mNXcov8iEWvjGFyyPTsXwvsYbbkOJ41wjaGOFMCInb4WY0ngM8BsDV22bGM" & _ "s8oLyX7rVy16bGA8Z7WDUtYhoOM7mqXw/Hrpqjh3JgAf8zqdzBdH/q6mAbdvq/yb04JHKWPC7fMFuBoeyVWAnhmuMZfReWQiMUEHGGIW" strXmlKey = "<RSAKeyValue><Modulus>" & _ "tNEknkb1kHiD1OOAWlLKkcH/UP5UGa6V6MYso++JB+vYMg2OXFROAF7G8BNFFPQx" & _ "iuS/7y1azZljN2xq+bW3bAou1bW2ij7fxSXWTJYFZMAyndbLyGHM1e3nVmwpgEpx" & _ "BHhZzPvwLb55st1wceuKjs2Ontb13J33sUb7bbJMWh0=</Modulus>" & _ "<Exponent>AQAB</Exponent></RSAKeyValue>" Console.WriteLine(IsCertAndKeyValueMatched(strCert64, strXmlKey)) End Sub Public Sub CheckManualCertAndRSAKey() ' Ref: manual_certificacion.pdf, 2003-11-26 ' THIS TEST FAILS BECAUSE THE RSAKeyValue IS WRONG ' <RSAKeyValue> ' <Modulus> ' tNEknkb1kHiD1OOAWlLKkcH/UP5UGa6V6MYso++JB+vYMg2OXFROAF7G8BNFFPQx ' iuS/7y1azZljN2xq+bW3bAou1bW2ij7fxSXWTJYFZMAyndbLyGHM1e3nVmwpgEpx ' BHhZzPvwLb55st1wceuKjs2Ontb13J33sUb7bbJMWh0= ' </Modulus> ' <Exponent> ' AQAB ' </Exponent> ' </RSAKeyValue> ' <X509Certificate>MIIEPjCCA6mgAwIBAgIDAgGKMAsGCSqGSIb3DQEBBDCBsTEdMBsGA1UECBQUUmVn ' aW9uIE1ldHJvcG9saXRhbmExETAPBgNVBAcUCFNhbnRpYWdvMSIwIAYDVQQDFBlF ' LUNlcnRjaGlsZSBDQSBJbnRlcm1lZGlhMTYwNAYDVQQLFC1FbXByZXNhIE5hY2lv ' bmFsIGRlIENlcnRpZmljYWNpb24gRWxlY3Ryb25pY2ExFDASBgNVBAoUC0UtQ0VS ' VENISUxFMQswCQYDVQQGEwJDTDAeFw0wMjEwMDIxOTExNTlaFw0wMzEwMDIwMDAw ' MDBaMIHXMR0wGwYDVQQIFBRSZWdpb24gTWV0cm9wb2xpdGFuYTEnMCUGA1UECxQe ' U2VydmljaW8gZGUgSW1wdWVzdG9zIEludGVybm9zMScwJQYDVQQKFB5TZXJ2aWNp ' byBkZSBJbXB1ZXN0b3MgSW50ZXJub3MxETAPBgNVBAcUCFNhbnRpYWdvMR8wHQYJ ' KoZIhvcNAQkBFhB3Z29uemFsZXpAc2lpLmNsMSMwIQYDVQQDFBpXaWxpYmFsZG8g ' R29uemFsZXogQ2FicmVyYTELMAkGA1UEBhMCQ0wwXDANBgkqhkiG9w0BAQEFAANL ' ADBIAkEAvNQyaLPd3cQlBr0fQWooAKXSFan/WbaFtD5P7QDzcE1pBIvKY2Uv6uid ' ur/mGVB9IS4Fq/1xRIXy13FFmxLwTQIDAQABo4IBgjCCAX4wIwYDVR0RBBwwGqAY ' BggrBgEEAcNSAaAMFgowNzg4MDQ0Mi00MDwGA1UdHwQ1MDMwMaAvoC2GK2h0dHA6 ' Ly9jcmwuZS1jZXJ0Y2hpbGUuY2wvRWNlcnRjaGlsZUNBSS5jcmwwIwYDVR0SBBww ' GqAYBggrBgEEAcEBAqAMFgo5NjkyODE4MC01MIHmBgNVHSAEgd4wgdswgdgGCCsG ' AQQBw1IAMIHLMDYGCCsGAQUFBwIBFipodHRwOi8vd3d3LmUtY2VydGNoaWxlLmNs ' L3BvbGl0aWNhL2Nwcy5odG0wgZAGCCsGAQUFBwICMIGDGoGARWwgdGl0dWxhciBo ' YSBzaWRvIHZhbGlkYWRvIGVuIGZvcm1hIHByZXNlbmNpYWwsIHF1ZWRhbmRvIGhh ' YmlsaXRhZG8gZWwgQ2VydGlmaWNhZG8gcGFyYSB1c28gdHJpYnV0YXJpbywgcGFn ' b3MsIGNvbWVyY2lvIHUgb3Ryb3MwCwYDVR0PBAQDAgTwMAsGCSqGSIb3DQEBBAOB ' gQB2V4cTj7jo1RawmsRQUSnnvJjMCrZstcHY+Ss3IghVPO9eGoYzu5Q63vzt0Pi8 ' CS91SBc7xo+LDoljaUyjOzj7zvU7TpWoFndiTQF3aCOtTkV+vjCMWW3sVHes4UCM ' DkF3VYK+rDTAadiaeDArTwsx4eNEpxFuA/TJwcXpLQRCDg==</X509Certificate> Dim strCert64 As String Dim strXmlKey As String strCert64 = "MIIEPjCCA6mgAwIBAgIDAgGKMAsGCSqGSIb3DQEBBDCBsTEdMBsGA1UECBQUUmVnaW9uIE1ldHJvcG9saXRhbmExETAPBgNVBAcUCFNhbnRpYWdvMSIwIAYDVQQDFBlFLUNlcnRjaGlsZSBDQSBJbnRlcm1lZGlhMTYwNAYDVQQLFC1FbXByZXNhIE5hY2lvbmFsIGRlIENlcnRpZmljYWNpb24gRWx" & _ "lY3Ryb25pY2ExFDASBgNVBAoUC0UtQ0VSVENISUxFMQswCQYDVQQGEwJDTDAeFw0wMjEwMDIxOTExNTlaFw0wMzEwMDIwMDAwMDBaMIHXMR0wGwYDVQQIFBRSZWdpb24gTWV0cm9wb2xpdGFuYTEnMCUGA1UECxQeU2VydmljaW8gZGUgSW1wdWVzdG9zIEludGVybm9zMScwJQYDVQQKFB5TZXJ2aWNpbyBkZSBJbXB1ZXN" & _ "0b3MgSW50ZXJub3MxETAPBgNVBAcUCFNhbnRpYWdvMR8wHQYJKoZIhvcNAQkBFhB3Z29uemFsZXpAc2lpLmNsMSMwIQYDVQQDFBpXaWxpYmFsZG8gR29uemFsZXogQ2FicmVyYTELMAkGA1UEBhMCQ0wwXDANBgkqhkiG9w0BAQEFAANLADBIAkEAvNQyaLPd3cQlBr0fQWooAKXSFan/WbaFtD5P7QDzcE1pBIvKY2Uv6ui" & _ "dur/mGVB9IS4Fq/1xRIXy13FFmxLwTQIDAQABo4IBgjCCAX4wIwYDVR0RBBwwGqAYBggrBgEEAcNSAaAMFgowNzg4MDQ0Mi00MDwGA1UdHwQ1MDMwMaAvoC2GK2h0dHA6Ly9jcmwuZS1jZXJ0Y2hpbGUuY2wvRWNlcnRjaGlsZUNBSS5jcmwwIwYDVR0SBBwwGqAYBggrBgEEAcEBAqAMFgo5NjkyODE4MC01MIHmBgNVHSA" & _ "Egd4wgdswgdgGCCsGAQQBw1IAMIHLMDYGCCsGAQUFBwIBFipodHRwOi8vd3d3LmUtY2VydGNoaWxlLmNsL3BvbGl0aWNhL2Nwcy5odG0wgZAGCCsGAQUFBwICMIGDGoGARWwgdGl0dWxhciBoYSBzaWRvIHZhbGlkYWRvIGVuIGZvcm1hIHByZXNlbmNpYWwsIHF1ZWRhbmRvIGhhYmlsaXRhZG8gZWwgQ2VydGlmaWNhZG8" & _ "gcGFyYSB1c28gdHJpYnV0YXJpbywgcGFnb3MsIGNvbWVyY2lvIHUgb3Ryb3MwCwYDVR0PBAQDAgTwMAsGCSqGSIb3DQEBBAOBgQB2V4cTj7jo1RawmsRQUSnnvJjMCrZstcHY+Ss3IghVPO9eGoYzu5Q63vzt0Pi8CS91SBc7xo+LDoljaUyjOzj7zvU7TpWoFndiTQF3aCOtTkV+vjCMWW3sVHes4UCMDkF3VYK+rDTAadi" & _ "aeDArTwsx4eNEpxFuA/TJwcXpLQRCDg==" strXmlKey = "<RSAKeyValue><Modulus>" & _ "tNEknkb1kHiD1OOAWlLKkcH/UP5UGa6V6MYso++JB+vYMg2OXFROAF7G8BNFFPQx" & _ "iuS/7y1azZljN2xq+bW3bAou1bW2ij7fxSXWTJYFZMAyndbLyGHM1e3nVmwpgEpx" & _ "BHhZzPvwLb55st1wceuKjs2Ontb13J33sUb7bbJMWh0=</Modulus>" & _ "<Exponent>AQAB</Exponent></RSAKeyValue>" Console.WriteLine(IsCertAndKeyValueMatched(strCert64, strXmlKey)) End Sub Public Function Hash_String_SHA1(ByVal strMessage As String, Optional ByVal ShowDebug As Boolean = False) As String ' $GENERIC-FUNCTION$ ' INPUT: Message as an ANSI string ' OUTPUT: SHA-1 message digest in hex format Dim abMessage() As Byte Dim nmLen As Integer Dim strDigest As String ' Convert ANSI text to bytes abMessage = System.Text.Encoding.Default.GetBytes(strMessage) nmLen = abMessage.Length If ShowDebug Then Console.WriteLine("M (ansi):" & vbCrLf & "'" & System.Text.Encoding.Default.GetString(abMessage) & "'") Console.WriteLine("M (hex): " & Cnv.ToHex(abMessage)) Console.WriteLine("Message is " & nmLen & " bytes long") End If strDigest = Hash.HexFromBytes(abMessage, HashAlgorithm.Sha1) If strDigest.Length = 0 Then Console.WriteLine("FAILED to create message digest") End If Hash_String_SHA1 = strDigest End Function Public Function Hash_File_SHA1(ByVal strFileName As String) As String ' $GENERIC-FUNCTION$ ' INPUT: Full path to file ' OUTPUT: SHA-1 message digest in hex format Dim strDigest As String strDigest = Hash.HexFromFile(strFileName, HashAlgorithm.Sha1) If strDigest.Length = 0 Then Console.WriteLine("FAILED to create message digest") End If Hash_File_SHA1 = strDigest End Function Public Sub Test_Make_Hash_of_File() Console.WriteLine("DIGEST=" & Hash_File_SHA1("data.canon.ok.txt")) End Sub Public Function MakeDigestValueOfSignedInfo(ByVal strDigestValue64 As String, ByVal strReference As String, ByVal fIncludeXMLSchema As Boolean, Optional ByVal ShowDebug As Boolean = False) As String ' $GENERIC-FUNCTION$ ' INPUT: DigestValue of data in base64 format ' Reference as in <Reference URI="#..."> ' Flag to include XMLSchema-instance attribute ' OUTPUT: SHA-1 digest of canonicalized <SignedInfo> element in HEX format ' REMARKS: This is for the specific form with no whitespace before any element Dim strSignedInfoCanonic As String Dim strDigest As String Dim strFirstLine As String 'SPECIFIC FORM (no whitespace before elements): ' <SignedInfo> ' <CanonicalizationMethod Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"/> ' <SignatureMethod Algorithm="http://www.w3.org/2000/09/xmldsig#rsa-sha1"/> ' <Reference URI="#..."> ' <Transforms> ' <Transform Algorithm="http://www.w3.org/TR/2001/REC-xml-c14n-20010315"/> ' </Transforms> ' <DigestMethod Algorithm="http://www.w3.org/2000/09/xmldsig#sha1"/> ' <DigestValue>...</DigestValue> ' </Reference> ' </SignedInfo> ' To canonicalize the SignedInfo, do the following:- ' 1. Replace any CR-LF pairs with single LF char ' 2. Add the xmlns attributes to the SignedInfo tag ' 3. Convert the empty 'Method' elements to start-end tag pairs ' 4. Use double-quotes (") around attribute values ' 5. Do NOT change any other whitespace chars outside the tags ' -- assumes all other c14n aspects are dealt with in the hard-coding ' We can hard-code all of the above directly; well, almost... If fIncludeXMLSchema Then strFirstLine = "<SignedInfo xmlns=""http://www.w3.org/2000/09/xmldsig#"" xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance"">" Else strFirstLine = "<SignedInfo xmlns=""http://www.w3.org/2000/09/xmldsig#"">" End If strSignedInfoCanonic = _ strFirstLine & vbLf & _ "<CanonicalizationMethod Algorithm=""http://www.w3.org/TR/2001/REC-xml-c14n-20010315""></CanonicalizationMethod>" & vbLf & _ "<SignatureMethod Algorithm=""http://www.w3.org/2000/09/xmldsig#rsa-sha1""></SignatureMethod>" & vbLf & _ "<Reference URI=""#" & strReference & """>" & vbLf & _ "<Transforms>" & vbLf & _ "<Transform Algorithm=""http://www.w3.org/TR/2001/REC-xml-c14n-20010315""></Transform>" & vbLf & _ "</Transforms>" & vbLf & _ "<DigestMethod Algorithm=""http://www.w3.org/2000/09/xmldsig#sha1""></DigestMethod>" & vbLf & _ "<DigestValue>" & strDigestValue64 & "</DigestValue>" & vbLf & _ "</Reference>" & vbLf & _ "</SignedInfo>" If ShowDebug Then Console.WriteLine(strSignedInfoCanonic) End If strDigest = Hash_String_SHA1(strSignedInfoCanonic) MakeDigestValueOfSignedInfo = strDigest End Function Public Sub Test_DigestSignedInfo() Dim strComputed As String Dim strCorrect As String Console.WriteLine() Console.WriteLine("F60T33 Outer XML-Dsig:") strCorrect = "98B466FFE6A5E73B85962BC7300841C5F1693D3A" strComputed = MakeDigestValueOfSignedInfo("4OTWXyRl5fw3htjTyZXQtYEsC3E=", "SetDoc", fIncludeXMLSchema:=True) Console.WriteLine("COMPUTED=" & strComputed) Console.WriteLine("CORRECT= " & strCorrect) Console.WriteLine("F60T33 Inner XML-Dsig:") strCorrect = "353CABFE369AAD9BEA21F5FA06CB367960FFB7D4" strComputed = MakeDigestValueOfSignedInfo("hlmQtu/AyjUjTDhM3852wvRCr8w=", "F60T33", fIncludeXMLSchema:=False) Console.WriteLine("COMPUTED=" & strComputed) Console.WriteLine("CORRECT= " & strCorrect) End Sub Public Function XMLDSIG_VerifySigUsingRSAKeyValue(ByVal strSig64 As String, ByVal strXmlKey As String) As String ' $GENERIC-FUNCTION$ ' INPUT: strSig64 = <SignatureValue> in base64 excluding XML tags ' strXmlKey = <RSAKeyValue> in XMLSIG format including XML tags ' OUTPUT: DigestValue in hex format Dim nRet As Integer Dim abData() As Byte Dim nDataLen As Integer Dim strPublicKey As String Dim nKeyLen As Integer Dim abDigest() As Byte Dim nDigLen As Integer XMLDSIG_VerifySigUsingRSAKeyValue = "" Console.WriteLine("SigBase64=" & strSig64) ' Convert XML key form to our internal format strPublicKey = Rsa.FromXMLString(strXmlKey, false) If strPublicKey.Length = 0 Then Console.WriteLine("ERROR: Unable to read XML key string") Exit Function End If Console.WriteLine("Key length is " & Rsa.KeyBits(strPublicKey) & " bits") ' Convert signatureValue to byte format abData = System.Convert.FromBase64String(strSig64) Console.WriteLine("SIGNATURE=" & Cnv.ToHex(abData)) nDataLen = UBound(abData) - LBound(abData) + 1 Console.WriteLine("Signature is " & nDataLen & " bytes long") ' Verify the key - this should return 1 nRet = Rsa.CheckKey(strPublicKey) Console.WriteLine("RSA_CheckKey returns " & nRet & " (expecting 1)") ' Check the length nKeyLen = Rsa.KeyBytes(strPublicKey) Console.WriteLine("Key is " & nKeyLen & " bytes long") If nKeyLen <> nDataLen Then Console.WriteLine("ERROR: Key is the wrong length!") Exit Function End If ' Decrypt the signature abData = Rsa.RawPublic(abData, strPublicKey) If abData.Length = 0 Then Console.WriteLine("ERROR: " & General.LastError()) Exit Function End If Console.WriteLine("EMSA BLOCK=" & Cnv.ToHex(abData)) ' Extract digest from block abDigest = Rsa.DecodeDigestForSignature(abData) nDigLen = abDigest.Length Console.WriteLine("RSA_DecodeMsg returns " & nDigLen & " (expecting 20)") If nDigLen <= 0 Then Console.WriteLine("ERROR: Cannot extract digest") Exit Function End If ' Display bytes as hex and base64 Console.WriteLine("digest=" & Cnv.ToHex(abDigest)) Console.WriteLine("base64=" & System.Convert.ToBase64String(abDigest)) Console.WriteLine() ' Return result XMLDSIG_VerifySigUsingRSAKeyValue = Cnv.ToHex(abDigest) End Function Public Function XMLDSIG_VerifySigUsingCert(ByVal strSig64 As String, ByVal strCert64 As String) As String ' $GENERIC-FUNCTION$ ' INPUT: strSig64 = <SignatureValue> content in base64 excluding tags ' strCert64 = <X509Certificate> content in base64 excluding tags ' OUTPUT: digestValue in hex format Dim abData() As Byte Dim strPublicKey As String Dim nRet As Integer Dim nDataLen As Integer Dim nKeyLen As Integer Dim abDigest() As Byte Dim strQuery As String Dim strOutput As String Dim strXmlKey As String XMLDSIG_VerifySigUsingCert = "" ' Query the certificate for details strQuery = "subjectName" strOutput = X509.QueryCert(strCert64, strQuery) If strOutput.Length = 0 Then Console.WriteLine("ERROR: Error reading certificate: " & General.LastError) Exit Function ' ERROR End If Console.WriteLine(strQuery & "=" & strOutput) ' Extract public key from X.509 certificate in internal string form strPublicKey = Rsa.GetPublicKeyFromCert(strCert64).ToString() Console.WriteLine("Chars in internal key = " & strPublicKey.Length) If strPublicKey.Length = 0 Then Console.WriteLine("ERROR: Error reading certificate key") Exit Function ' ERROR End If Console.WriteLine("PUBLIC KEY (internal)=" & strPublicKey) ' While we're here, display the public key in XML format strXmlKey = Rsa.ToXMLString(strPublicKey, 0) If strXmlKey.Length > 0 Then Console.WriteLine(strXmlKey) Else Console.WriteLine("**Failed to create public key in XML") End If ' Convert signatureValue to byte format abData = System.Convert.FromBase64String(strSig64) Console.WriteLine("SIGNATURE=" & Cnv.ToHex(abData)) nDataLen = abData.Length Console.WriteLine("Signature is " & nDataLen & " bytes long") ' Verify the key - this should return 1 nRet = Rsa.CheckKey(strPublicKey) Console.WriteLine("RSA_CheckKey returns " & nRet & " (expecting 1)") ' Check the length nKeyLen = Rsa.KeyBytes(strPublicKey) Console.WriteLine("Key is " & nKeyLen & " bytes long") If nKeyLen <> nDataLen Then Console.WriteLine("ERROR: Key is the wrong length!") Exit Function End If ' Decrypt the signature abData = Rsa.RawPublic(abData, strPublicKey) Console.WriteLine("RSA_RawPublic returns " & nRet & " (expecting 0)") Console.WriteLine("EMSA BLOCK=" & Cnv.ToHex(abData)) ' Extract digest from block abDigest = Rsa.DecodeDigestForSignature(abData) Console.WriteLine("RSA_DecodeMsg returns " & abDigest.Length & " (expecting 20)") If abDigest.Length = 0 Then Console.WriteLine("ERROR: Cannot extract digest") Exit Function End If ' Display bytes as hex and base64 Console.WriteLine("digest=" & Cnv.ToHex(abDigest)) Console.WriteLine("base64=" & System.Convert.ToBase64String(abDigest)) ' Return digest in hex XMLDSIG_VerifySigUsingCert = Cnv.ToHex(abDigest) End Function Public Sub TestReadFRMA() Dim strCert64 As String Dim strSig64 As String Dim strDigestHex As String '<FRMA algoritmo="SHA1withRSA">g1AQX0sy8NJugX52k2hTJEZAE9Cuul6pqYBdFxj1N17umW7zG/hAavCALKByHzdYAfZ3LhGTXCai5zNxOo4lDQ==</FRMA> strSig64 = "g1AQX0sy8NJugX52k2hTJEZAE9Cuul6pqYBdFxj1N17umW7zG/hAavCALKByHzdYAfZ3LhGTXCai5zNxOo4lDQ==" ' [2009-05-07] We have the certificate for the signer of this now... strCert64 = "-----BEGIN CERTIFICATE-----" & vbCrLf & _ "MIICTzCCAfmgAwIBAwIBZDANBgkqhkiG9w0BAQQFADCBrzELMAkGA1UEBhMCQ0wx" & _ "CzAJBgNVBAgTAkNTMQswCQYDVQQHEwJDczEnMCUGA1UEChMeU2VydmljaW8gZGUg" & _ "SW1wdWVzdG9zIEludGVybm9zMRkwFwYDVQQLExBPZmljaW5hIEludGVybmV0MScw" & _ "JQYDVQQDEx5TZXJ2aWNpbyBkZSBJbXB1ZXN0b3MgSW50ZXJub3MxGTAXBgkqhkiG" & _ "9w0BCQEWCnNpaUBzaWkuY2wwHhcNMDMwNDI5MjAxNDA1WhcNMDQwNDIzMjAxNDA1" & _ "WjCBrzELMAkGA1UEBhMCQ0wxCzAJBgNVBAgTAkNTMQswCQYDVQQHEwJDczEnMCUG" & _ "A1UEChMeU2VydmljaW8gZGUgSW1wdWVzdG9zIEludGVybm9zMRkwFwYDVQQLExBP" & _ "ZmljaW5hIEludGVybmV0MScwJQYDVQQDEx5TZXJ2aWNpbyBkZSBJbXB1ZXN0b3Mg" & _ "SW50ZXJub3MxGTAXBgkqhkiG9w0BCQEWCnNpaUBzaWkuY2wwXDANBgkqhkiG9w0B" & _ "AQEFAANLADBIAkEAyPvwDcshpVAApYVSLF3lKKc+DOFswDqx5ep95LKigRHjUvrv" & _ "jct9UeNJq9SxBdzU9nz54TEVBYyfAVQpG4xxUwIDAQABMA0GCSqGSIb3DQEBBAUA" & _ "A0EADvJX1C7hUFD2Eq9jNZpeJ/YBOZx1SBmAHSeXud6fTw98+AR4X3YDmzO9D4Kd" & _ "hEFi3NK4anpjiPOKbA8fBWyyBA==" & _ "-----END CERTIFICATE-----" strDigestHex = XMLDSIG_VerifySigUsingCert(strSig64, strCert64) End Sub Public Sub MakeFRMAdigest() ' This should give the same digest value we obtained above. Dim strData As String Dim strDigest As String ' Put <DA> data into a single string with no spaces between elements strData = "<DA><RE>97975000-5</RE><RS>RUT DE PRUEBA</RS><TD>33</TD><RNG><D>1</D><H>200</H></RNG><FA>2003-09-04</FA><RSAPK><M>0a4O6Kbx8Qj3K4iWSP4w7KneZYeJ+g/prihYtIEolKt3cykSxl1zO8vSXu397QhTmsX7SBEudTUx++2zDXBhZw==</M><E>Aw==</E></RSAPK><IDK>100</IDK></DA>" ' Create an SHA-1 digest value in hex format ''strDigest = String(PKI_SHA1_CHARS, " ") strDigest = Hash.HexFromString(strData, HashAlgorithm.Sha1) Console.WriteLine("SHA1(DA)=" & strDigest) ' Display in base64 Console.WriteLine("SHA1(DA)=" & System.Convert.ToBase64String(Cnv.FromHex(strDigest))) End Sub Public Sub TestReadFRMT() Dim strXmlKey As String Dim strSig64 As String ' <FRMT algoritmo="SHA1withRSA">GbmDcS9e/jVC2LsLIe1iRV12Bf6lxsILtbQiCkh6mbjckFCJ7fj/kakFTS06Jo8iS4HXvJj3oYZuey53Krniew==</FRMT> strSig64 = "GbmDcS9e/jVC2LsLIe1iRV12Bf6lxsILtbQiCkh6mbjckFCJ7fj/kakFTS06Jo8iS4HXvJj3oYZuey53Krniew==" ' Form XML string of public key in proper XMLSIG format using <RSAPK> element in XML file ' <RSAPK><M>0a4O6Kbx8Qj3K4iWSP4w7KneZYeJ+g/prihYtIEolKt3cykSxl1zO8vSXu397QhTmsX7SBEudTUx++2zDXBhZw==</M><E>Aw==</E></RSAPK> strXmlKey = "<RSAKeyValue><Modulus>0a4O6Kbx8Qj3K4iWSP4w7KneZYeJ+g/prihYtIEolKt3cykSxl1zO8vSXu397QhTmsX7SBEudTUx++2zDXBhZw==</Modulus>" & _ "<Exponent>Aw==</Exponent></RSAKeyValue>" Call XMLDSIG_VerifySigUsingRSAKeyValue(strSig64, strXmlKey) End Sub Public Sub TestF60T33OuterXmlSigByCert() ' THIS DOES NOT WORK! Because the X509 Certificate provided does not correspond to the key used to make the signature. Dim strSig64 As String Dim strCert64 As String strCert64 = "MIIEgjCCA+ugAwIBAgIEAQAApzANBgkqhkiG9w0BAQUFADCBtTELMAkGA1UEBhMCQ0wxHTAbBgNVBAgUFFJlZ2lvbiBNZXRyb3BvbGl0YW5hMREwDwYDVQQHFAhTYW50aWFnbzEUMBIGA1UEChQLRS1DRVJUQ0hJTEUxIDAeBgNVBAsUF0F1dG9yaWRhZCBDZXJ0aWZpY2Fkb3JhMRcwFQYDVQQDFA5FLUNFUlRDSElMRSBD" & _ "QTEjMCEGCSqGSIb3DQEJARYUZW1haWxAZS1jZXJ0Y2hpbGUuY2wwHhcNMDMxMDAxMTg1ODE1WhcNMDQwOTMwMDAwMDAwWjCBuDELMAkGA1UEBhMCQ0wxFjAUBgNVBAgUDU1ldHJvcG9saXRhbmExETAPBgNVBAcUCFNhbnRpYWdvMScwJQYDVQQKFB5TZXJ2aWNpbyBkZSBJbXB1ZXN0b3MgSW50ZXJub3MxDzANBgNVBAsU" & _ "BlBpc28gNDEjMCEGA1UEAxQaV2lsaWJhbGRvIEdvbnphbGV6IENhYnJlcmExHzAdBgkqhkiG9w0BCQEWEHdnb256YWxlekBzaWkuY2wwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBALxZlVh1xr9sKQIBDF/6Va+lsHQSG5AAmCWvtNTIOXN3E9EQCy7pOPHrDg6EusvoHyesZSKJbc0TnIFXZp78q7mbdHijzKqvMmyv" & _ "wbdP7KK8LQfwf84W4v9O8MJeUHlbJGlo5nFACrPAeTtONbHaReyzeMDv2EganNEDJc9c+UNfAgMBAAGjggGYMIIBlDAjBgNVHREEHDAaoBgGCCsGAQQBwQEBoAwWCjA3ODgwNDQyLTQwCQYDVR0TBAIwADA8BgNVHR8ENTAzMDGgL6AthitodHRwOi8vY3JsLmUtY2VydGNoaWxlLmNsL2UtY2VydGNoaWxlY2EuY3JsMCMG" & _ "A1UdEgQcMBqgGAYIKwYBBAHBAQKgDBYKOTY5MjgxODAtNTAfBgNVHSMEGDAWgBTgKP3S4GBPs0brGsz1CJEHcjodCDCB0AYDVR0gBIHIMIHFMIHCBggrBgEEAcNSBTCBtTAvBggrBgEFBQcCARYjaHR0cDovL3d3dy5lLWNlcnRjaGlsZS5jbC8yMDAwL0NQUy8wgYEGCCsGAQUFBwICMHUac0VsIHRpdHVsYXIgaGEgc2lk" & _ "byB2YWxpZG8gZW4gZm9ybWEgcHJlc2VuY2lhbCwgcXVlZGFuZG8gZWwgQ2VydGlmaWNhZG8gcGFyYSB1c28gdHJpYnV0YXJpbywgcGFnb3MsIGNvbWVyY2lvIHkgb3Ryb3MwCwYDVR0PBAQDAgTwMA0GCSqGSIb3DQEBBQUAA4GBABMfCyJF0mNXcov8iEWvjGFyyPTsXwvsYbbkOJ41wjaGOFMCInb4WY0ngM8BsDV22bGM" & _ "s8oLyX7rVy16bGA8Z7WDUtYhoOM7mqXw/Hrpqjh3JgAf8zqdzBdH/q6mAbdvq/yb04JHKWPC7fMFuBoeyVWAnhmuMZfReWQiMUEHGGIW" strSig64 = "sBnr8Yq14vVAcrN/pKLD/BrqUFczKMW3y1t3JOrdsxhhq6IxvS13SgyMXbIN/T9ciRaFgNabs3pi732XhcpeiSmD1ktzbRctEbSIszYkFJY49k0eB+TVzq3eVaQr4INrymfuOnWj78BZcwKuXvDy4iAcx6/TBbAAkPFwMP9ql2s=" Call XMLDSIG_VerifySigUsingCert(strSig64, strCert64) End Sub Public Sub TestF60T33OuterXmlSigByRSA() ' THIS WORKS... Dim strSig64 As String Dim strXmlKey As String strXmlKey = "<RSAKeyValue><Modulus>" & _ "tNEknkb1kHiD1OOAWlLKkcH/UP5UGa6V6MYso++JB+vYMg2OXFROAF7G8BNFFPQx" & _ "iuS/7y1azZljN2xq+bW3bAou1bW2ij7fxSXWTJYFZMAyndbLyGHM1e3nVmwpgEpx" & _ "BHhZzPvwLb55st1wceuKjs2Ontb13J33sUb7bbJMWh0=</Modulus>" & _ "<Exponent>AQAB</Exponent></RSAKeyValue>" strSig64 = "sBnr8Yq14vVAcrN/pKLD/BrqUFczKMW3y1t3JOrdsxhhq6IxvS13SgyMXbIN/T9ciRaFgNabs3pi732XhcpeiSmD1ktzbRctEbSIszYkFJY49k0eB+TVzq3eVaQr4INrymfuOnWj78BZcwKuXvDy4iAcx6/TBbAAkPFwMP9ql2s=" Call XMLDSIG_VerifySigUsingRSAKeyValue(strSig64, strXmlKey) End Sub Public Sub TestF60T33InnerXmlSigByRSA() ' THIS WORKS... Dim strSig64 As String Dim strXmlKey As String strXmlKey = "<RSAKeyValue><Modulus>" & _ "tNEknkb1kHiD1OOAWlLKkcH/UP5UGa6V6MYso++JB+vYMg2OXFROAF7G8BNFFPQx" & _ "iuS/7y1azZljN2xq+bW3bAou1bW2ij7fxSXWTJYFZMAyndbLyGHM1e3nVmwpgEpx" & _ "BHhZzPvwLb55st1wceuKjs2Ontb13J33sUb7bbJMWh0=</Modulus>" & _ "<Exponent>AQAB</Exponent></RSAKeyValue>" strSig64 = "JG1Ig0pvSIH85kIKGRZUjkyX6CNaY08Y94j4UegTgDe8+wl61GzqjdR1rfOK9BGn93AMOo6aiAgolW0k/XklNVtM/ZzpNNS3d/fYVa1q509mAMSXbelxSM3bjoa7H6Wzd/mV1PpQ8zK5gw7mgMMP4IKxHyS92G81GEguSmzcQmA=" Call XMLDSIG_VerifySigUsingRSAKeyValue(strSig64, strXmlKey) End Sub Public Sub TestF60T33FRMTSigByRSA() Dim strSig64 As String Dim strXmlKey As String strXmlKey = "<RSAKeyValue><Modulus>" & _ "0a4O6Kbx8Qj3K4iWSP4w7KneZYeJ+g/prihYtIEolKt3cykSxl1zO8vSXu397QhTmsX7SBEudTUx++2zDXBhZw==</Modulus>" & _ "<Exponent>Aw==</Exponent></RSAKeyValue>" strSig64 = "GbmDcS9e/jVC2LsLIe1iRV12Bf6lxsILtbQiCkh6mbjckFCJ7fj/kakFTS06Jo8iS4HXvJj3oYZuey53Krniew==" Call XMLDSIG_VerifySigUsingRSAKeyValue(strSig64, strXmlKey) End Sub Sub Main() Console.WriteLine("DOING ALL TESTS...") Console.WriteLine("\n Read_SmallerKeys() \n") Read_SmallerKeys() Console.WriteLine("\n MakeFRMTdigest() \n") MakeFRMTdigest() Console.WriteLine("\n SignDDtoMakeFRMTsig() \n") SignDDtoMakeFRMTsig() Console.WriteLine("\n CheckExampleCertAndRSAKey() \n") CheckExampleCertAndRSAKey() Console.WriteLine("\n CheckManualCertAndRSAKey() \n") CheckManualCertAndRSAKey() Console.WriteLine("\n Test_Make_Hash_of_File() \n") Test_Make_Hash_of_File() Console.WriteLine("\n Test_DigestSignedInfo() \n") Test_DigestSignedInfo() Console.WriteLine("\n TestReadFRMA() \n") TestReadFRMA() Console.WriteLine("\n MakeFRMAdigest() \n") MakeFRMAdigest() Console.WriteLine("\n TestReadFRMT() \n") TestReadFRMT() Console.WriteLine("\n TestF60T33OuterXmlSigByCert() \n") TestF60T33OuterXmlSigByCert() Console.WriteLine("\n TestF60T33OuterXmlSigByRSA() \n") TestF60T33OuterXmlSigByRSA() Console.WriteLine("\n TestF60T33InnerXmlSigByRSA() \n") TestF60T33InnerXmlSigByRSA() Console.WriteLine("\n TestF60T33FRMTSigByRSA() \n") TestF60T33FRMTSigByRSA() End Sub End Module