Attribute VB_Name = "basTestChile" ' $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/>. ' Include the module `basCrPKI' in your project. ' *************************** COPYRIGHT NOTICE ****************************** ' This code was originally written by David Ireland and is copyright ' (C) 2008-9 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 $GENERIC-FUNCTION$. Option Explicit ' Ref: F60T33-ejemplo.xml Public Sub Read_SmallerKeys() ' From manual_certificacion.pdf, 2003-11-26, p25 Dim strKeyPem As String Dim nLen As Long Dim nRet As Long Dim strPrivateKey As String Dim strXmlKey As String Dim strPublicKey As String Dim strSig64 As String Dim abData() As Byte Dim nDataLen As Long Dim nKeyLen As Long Dim abDigest() As Byte Dim nDigLen As Long ' 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 :-( nLen = RSA_ReadPrivateKeyInfo("", 0, strKeyPem, 0) If nLen <= 0 Then Debug.Print "ERROR: cannot read PEM key. Error " & nRet Exit Sub End If strPrivateKey = String(nLen, " ") nLen = RSA_ReadPrivateKeyInfo(strPrivateKey, Len(strPrivateKey), strKeyPem, 0) Debug.Print "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 nLen = RSA_FromXMLString("", 0, strXmlKey, 0) If nLen <= 0 Then Debug.Print "ERROR: Unable to read XML key string" Exit Sub End If strPublicKey = String(nLen, " ") nLen = RSA_FromXMLString(strPublicKey, Len(strPublicKey), strXmlKey, 0) Debug.Print "Public key is " & RSA_KeyBits(strPublicKey) & " bits" ' Check that key pairs match... nRet = RSA_KeyMatch(strPrivateKey, strPublicKey) Debug.Print "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 = cnvBytesFromB64Str(strSig64) Debug.Print "SIGNATURE=" & cnvHexStrFromBytes(abData) nDataLen = UBound(abData) - LBound(abData) + 1 Debug.Print "Signature is " & nDataLen & " bytes long" ' Check the length nKeyLen = RSA_KeyBytes(strPublicKey) Debug.Print "Key is " & nKeyLen & " bytes long" If nKeyLen <> nDataLen Then Debug.Print "ERROR: Key is the wrong length!" Exit Sub End If ' Decrypt the signature nRet = RSA_RawPublic(abData(0), nDataLen, strPublicKey, 0) Debug.Print "RSA_RawPublic returns " & nRet & " (expecting 0)" If nRet <> 0 Then Debug.Print "ERROR: " & pkiErrorLookup(nRet) Exit Sub End If Debug.Print "EMSA BLOCK=" & cnvHexStrFromBytes(abData) ' Extract digest from block nDigLen = RSA_DecodeMsg(0, 0, abData(0), nDataLen, PKI_EMSIG_PKCSV1_5) Debug.Print "RSA_DecodeMsg returns " & nDigLen & " (expecting 20)" If nDigLen <= 0 Then Debug.Print "ERROR: Cannot extract digest" Exit Sub End If ReDim abDigest(nDigLen - 1) nRet = RSA_DecodeMsg(abDigest(0), nDigLen, abData(0), nDataLen, PKI_EMSIG_PKCSV1_5) ' Display digest bytes as hex and base64 Debug.Print "DIGEST=" & cnvHexStrFromBytes(abDigest) Debug.Print "base64=" & cnvB64StrFromBytes(abDigest) End Sub Public Sub MakeFRMTdigest() ' This should give the same digest value we obtained above. Dim strData As String Dim strDigest As String Dim nLen As Long ' 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 = String(PKI_SHA1_CHARS, " ") nLen = HASH_HexFromString(strDigest, Len(strDigest), strData, Len(strData), PKI_HASH_SHA1) Debug.Print "SHA1(DD)=" & strDigest ' Display in base64 Debug.Print "SHA1(DD)=" & cnvB64StrFromBytes(cnvBytesFromHexStr(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 nLen As Long Dim nRet As Long Dim strPrivateKey As String Dim nKeyBytes As Long Dim abBlock() As Byte Dim abData() As Byte Dim nDataLen As Long 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 nLen = RSA_ReadPrivateKeyInfo("", 0, strKeyPem, 0) If nLen <= 0 Then Debug.Print "ERROR: cannot read PEM key" Exit Sub End If strPrivateKey = String(nLen, " ") nLen = RSA_ReadPrivateKeyInfo(strPrivateKey, Len(strPrivateKey), strKeyPem, 0) Debug.Print "Private key is " & RSA_KeyBits(strPrivateKey) & " bits long" ' Convert the input data string into a byte array abData = StrConv(strData, vbFromUnicode) Debug.Print "Data=(0x)" & cnvHexStrFromBytes(abData) nDataLen = UBound(abData) + 1 Debug.Print "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) Debug.Print "Private key is " & nKeyBytes & " bytes long" ' NB: VB6 arrays of N bytes are defined from 0..N-1 ReDim abBlock(nKeyBytes - 1) ' Encode the data -- this computes the message digest and then encodes into an EMSA block in one step nRet = RSA_EncodeMsg(abBlock(0), nKeyBytes, abData(0), nDataLen, PKI_EMSIG_PKCSV1_5 + PKI_HASH_SHA1) If nRet <> 0 Then Debug.Print "ERROR: RSA_EncodeMsg failed. Error code " & nRet Exit Sub End If Debug.Print "EMSA BLOCK=" & cnvHexStrFromBytes(abBlock) ' Sign, i.e. encrypt, the encoded block with the RSA private key nRet = RSA_RawPrivate(abBlock(0), nKeyBytes, strPrivateKey, 0) If nRet <> 0 Then Debug.Print "ERROR: RSA_RawPrivate failed. Error code " & nRet Exit Sub End If Debug.Print "SIGNATURE= " & cnvHexStrFromBytes(abBlock) ' Convert byte array to base64 strSigVal64 = cnvB64StrFromBytes(abBlock) Debug.Print "SignatureValue=" & strSigVal64 End Sub Public Function XmlHexFromInternalKey(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 nLen As Long Dim nOptions As Long nOptions = PKI_XML_HEXBINARY + PKI_XML_EXCLPRIVATE + PKI_XML_RSAKEYVALUE nLen = RSA_ToXMLString("", 0, strKey, nOptions) If nLen > 0 Then strXmlKey = String(nLen, " ") nLen = RSA_ToXMLString(strXmlKey, Len(strXmlKey), strKey, nOptions) XmlHexFromInternalKey = strXmlKey Else XmlHexFromInternalKey = "**Failed to create public key in XML" End If End Function Public Function IsCertAndKeyValueMatched(strCert64 As String, 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 strPublicKey1 As String Dim nRet As Long Dim strQuery As String Dim strOutput As String Dim nLen As Long Dim nHashCode1 As Long Dim nHashCode2 As Long strOutput = String(512, " ") ' Query the certificate for details... strQuery = "issuerName" nRet = X509_QueryCert(strOutput, Len(strOutput), strCert64, strQuery, 0) If nRet <= 0 Then Debug.Print "ERROR: Error " & nRet & " reading certificate" Exit Function ' ERROR End If Debug.Print strQuery & "=" & Left(strOutput, nRet) strQuery = "serialNumber" nRet = X509_QueryCert(strOutput, Len(strOutput), strCert64, strQuery, 0) If nRet <= 0 Then Debug.Print "ERROR: Error " & nRet & " reading certificate" Exit Function ' ERROR End If Debug.Print strQuery & "=" & Left(strOutput, nRet) strQuery = "subjectName" nRet = X509_QueryCert(strOutput, Len(strOutput), strCert64, strQuery, 0) If nRet <= 0 Then Debug.Print "ERROR: Error " & nRet & " reading certificate" Exit Function ' ERROR End If Debug.Print strQuery & "=" & Left(strOutput, nRet) strQuery = "notBefore" nRet = X509_QueryCert(strOutput, Len(strOutput), strCert64, strQuery, 0) If nRet <= 0 Then Debug.Print "ERROR: Error " & nRet & " reading certificate" Exit Function ' ERROR End If Debug.Print strQuery & "=" & Left(strOutput, nRet) strQuery = "signatureAlgorithm" nRet = X509_QueryCert(strOutput, Len(strOutput), strCert64, strQuery, 0) If nRet <= 0 Then Debug.Print "ERROR: Error " & nRet & " reading certificate" Exit Function ' ERROR End If Debug.Print strQuery & "=" & Left(strOutput, nRet) ' Extract public key from X.509 certificate nLen = RSA_GetPublicKeyFromCert("", 0, strCert64, 0) If nLen <= 0 Then Debug.Print "ERROR: Error reading certificate key" Exit Function ' ERROR End If strPublicKey = String(nLen, " ") nLen = RSA_GetPublicKeyFromCert(strPublicKey, Len(strPublicKey), strCert64, 0) Debug.Print "Public key extracted from <X509Certificate>:" Debug.Print "Public key is " & RSA_KeyBits(strPublicKey) & " bits" nHashCode1 = RSA_KeyHashCode(strPublicKey) Debug.Print "Public key hashcode = " & Hex(nHashCode1) ' While we're here, display the public key in XML format Debug.Print XmlHexFromInternalKey(strPublicKey) ' Convert XML form to our internal format (this requires the <RSAKeyvalue> tags) nLen = RSA_FromXMLString("", 0, strXmlKey, 0) If nLen <= 0 Then Debug.Print "ERROR: Unable to read XML key string" Exit Function End If strPublicKey = String(nLen, " ") nLen = RSA_FromXMLString(strPublicKey, Len(strPublicKey), strXmlKey, 0) Debug.Print "Public key given in <RSAKeyValue>:" Debug.Print "Public key is " & RSA_KeyBits(strPublicKey) & " bits" nHashCode2 = RSA_KeyHashCode(strPublicKey) Debug.Print "Public key hashcode = " & Hex(nHashCode2) Debug.Print XmlHexFromInternalKey(strPublicKey) If nHashCode1 = nHashCode2 Then IsCertAndKeyValueMatched = True Debug.Print "OK, public keys match." Else IsCertAndKeyValueMatched = False Debug.Print "ERROR: public keys do not match." End If End Function Public Sub CheckExampleCertAndRSAKey() ' Ref: F60T33-ejemplo.xml, 2003-10-13 ' <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>" Debug.Print IsCertAndKeyValueMatched(strCert64, strXmlKey) End Sub Public Sub CheckManualCertAndRSAKey() ' Ref: manual_certificacion.pdf, 2003-11-26 ' <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>" Debug.Print IsCertAndKeyValueMatched(strCert64, strXmlKey) End Sub Public Function Hash_String_SHA1(strMessage, Optional ShowDebug As Boolean) 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 Long Dim strDigest As String Dim nRet As Long ' Convert ANSI text to bytes abMessage = StrConv(strMessage, vbFromUnicode) nmLen = UBound(abMessage) - LBound(abMessage) + 1 If ShowDebug Then Debug.Print "M (ansi):" & vbCrLf & "'" & StrConv(abMessage, vbUnicode) & "'" Debug.Print "M (hex): " & cnvHexStrFromBytes(abMessage) Debug.Print "Message is " & nmLen & " bytes long" End If strDigest = String(PKI_SHA1_CHARS, " ") nRet = HASH_HexFromBytes(strDigest, Len(strDigest), abMessage(0), nmLen, PKI_HASH_SHA1) If nRet > 0 Then strDigest = Left$(strDigest, nRet) Else Debug.Print "FAILED to create message digest" strDigest = "" End If Hash_String_SHA1 = strDigest End Function Public Function Hash_File_SHA1(strFileName As String) As String ' $GENERIC-FUNCTION$ ' INPUT: Full path to file ' OUTPUT: SHA-1 message digest in hex format Dim strDigest As String Dim nRet As Long strDigest = String(PKI_SHA1_CHARS, " ") nRet = HASH_HexFromFile(strDigest, Len(strDigest), strFileName, PKI_HASH_SHA1) If nRet > 0 Then strDigest = Left$(strDigest, nRet) Else Debug.Print "FAILED to create message digest" strDigest = "" End If Hash_File_SHA1 = strDigest End Function Public Sub Test_Make_Hash_of_File() Debug.Print "DIGEST=" & Hash_File_SHA1("C:\!Data\CryptoSys\Chile\data.canon.ok.txt") End Sub Public Function MakeDigestValueOfSignedInfo(strDigestValue64 As String, strReference As String, fIncludeXMLSchema As Boolean, Optional ShowDebug As Boolean) 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 Debug.Print strSignedInfoCanonic End If strDigest = Hash_String_SHA1(strSignedInfoCanonic) ''Debug.Print strDigest MakeDigestValueOfSignedInfo = strDigest End Function Public Sub Test_DigestSignedInfo() Dim strComputed As String Dim strCorrect As String Debug.Print Debug.Print "F60T33 Outer XML-Dsig:" strCorrect = "98B466FFE6A5E73B85962BC7300841C5F1693D3A" strComputed = MakeDigestValueOfSignedInfo("4OTWXyRl5fw3htjTyZXQtYEsC3E=", "SetDoc", fIncludeXMLSchema:=True) Debug.Print "COMPUTED=" & strComputed Debug.Print "CORRECT= " & strCorrect Debug.Print "F60T33 Inner XML-Dsig:" strCorrect = "353CABFE369AAD9BEA21F5FA06CB367960FFB7D4" strComputed = MakeDigestValueOfSignedInfo("hlmQtu/AyjUjTDhM3852wvRCr8w=", "F60T33", fIncludeXMLSchema:=False) Debug.Print "COMPUTED=" & strComputed Debug.Print "CORRECT= " & strCorrect End Sub Public Function XMLDSIG_VerifySigUsingRSAKeyValue(strSig64 As String, 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 Long Dim abData() As Byte Dim nDataLen As Long Dim strPublicKey As String Dim nKeyLen As Long Dim nLen As Long Dim abDigest() As Byte Dim nDigLen As Long Debug.Print "SigBase64=" & strSig64 ' Convert XML key form to our internal format nLen = RSA_FromXMLString("", 0, strXmlKey, 0) If nLen <= 0 Then Debug.Print "ERROR: Unable to read XML key string" Exit Function End If strPublicKey = String(nLen, " ") nLen = RSA_FromXMLString(strPublicKey, Len(strPublicKey), strXmlKey, 0) Debug.Print "Key length is " & RSA_KeyBits(strPublicKey) & " bits" ' Convert signatureValue to byte format abData = cnvBytesFromB64Str(strSig64) Debug.Print "SIGNATURE=" & cnvHexStrFromBytes(abData) nDataLen = UBound(abData) - LBound(abData) + 1 Debug.Print "Signature is " & nDataLen & " bytes long" ' Verify the key - this should return 1 nRet = RSA_CheckKey(strPublicKey, 0) Debug.Print "RSA_CheckKey returns " & nRet & " (expecting 1)" ' Check the length nKeyLen = RSA_KeyBytes(strPublicKey) Debug.Print "Key is " & nKeyLen & " bytes long" If nKeyLen <> nDataLen Then Debug.Print "ERROR: Key is the wrong length!" Exit Function End If ' Decrypt the signature nRet = RSA_RawPublic(abData(0), nDataLen, strPublicKey, 0) Debug.Print "RSA_RawPublic returns " & nRet & " (expecting 0)" If nRet <> 0 Then Debug.Print "ERROR: " & pkiErrorLookup(nRet) Exit Function End If Debug.Print "EMSA BLOCK=" & cnvHexStrFromBytes(abData) ' Extract digest from block nDigLen = RSA_DecodeMsg(0, 0, abData(0), nDataLen, PKI_EMSIG_PKCSV1_5) Debug.Print "RSA_DecodeMsg returns " & nDigLen & " (expecting 20)" If nDigLen <= 0 Then Debug.Print "ERROR: Cannot extract digest" Exit Function End If ReDim abDigest(nDigLen - 1) nRet = RSA_DecodeMsg(abDigest(0), nDigLen, abData(0), nDataLen, PKI_EMSIG_PKCSV1_5) ' Display bytes as hex and base64 Debug.Print "digest=" & cnvHexStrFromBytes(abDigest) Debug.Print "base64=" & cnvB64StrFromBytes(abDigest) Debug.Print ' Return result XMLDSIG_VerifySigUsingRSAKeyValue = cnvHexStrFromBytes(abDigest) End Function Public Function XMLDSIG_VerifySigUsingCert(strSig64 As String, 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 Long Dim nDataLen As Long Dim nKeyLen As Long Dim nChars As Long Dim abDigest() As Byte Dim nDigLen As Long Dim strQuery As String Dim strOutput As String Dim strXmlKey As String Dim nLen As Long strOutput = String(512, " ") ' Query the certificate for details strQuery = "subjectName" nRet = X509_QueryCert(strOutput, Len(strOutput), strCert64, strQuery, 0) If nRet <= 0 Then Debug.Print "ERROR: Error " & nRet & " reading certificate" Exit Function ' ERROR End If Debug.Print strQuery & "=" & Left(strOutput, nRet) ' Extract public key from X.509 certificate in internal string form nChars = RSA_GetPublicKeyFromCert("", 0, strCert64, 0) Debug.Print "Chars in internal key = " & nChars If nChars <= 0 Then Debug.Print "ERROR: Error reading certificate key" Exit Function ' ERROR End If strPublicKey = String(nChars, " ") nChars = RSA_GetPublicKeyFromCert(strPublicKey, Len(strPublicKey), strCert64, 0) Debug.Print "PUBLIC KEY (internal)=" & strPublicKey ' While we're here, display the public key in XML format nLen = RSA_ToXMLString("", 0, strPublicKey, 0) If nLen > 0 Then strXmlKey = String(nLen, " ") nLen = RSA_ToXMLString(strXmlKey, Len(strXmlKey), strPublicKey, 0) Debug.Print strXmlKey Else Debug.Print "**Failed to create public key in XML" End If ' Convert signatureValue to byte format abData = cnvBytesFromB64Str(strSig64) Debug.Print "SIGNATURE=" & cnvHexStrFromBytes(abData) nDataLen = UBound(abData) - LBound(abData) + 1 Debug.Print "Signature is " & nDataLen & " bytes long" ' Verify the key - this should return 1 nRet = RSA_CheckKey(strPublicKey, 0) Debug.Print "RSA_CheckKey returns " & nRet & " (expecting 1)" ' Check the length nKeyLen = RSA_KeyBytes(strPublicKey) Debug.Print "Key is " & nKeyLen & " bytes long" If nKeyLen <> nDataLen Then Debug.Print "ERROR: Key is the wrong length!" Exit Function End If ' Decrypt the signature nRet = RSA_RawPublic(abData(0), nDataLen, strPublicKey, 0) Debug.Print "RSA_RawPublic returns " & nRet & " (expecting 0)" Debug.Print "EMSA BLOCK=" & cnvHexStrFromBytes(abData) ' Extract digest from block nDigLen = RSA_DecodeMsg(0, 0, abData(0), nDataLen, PKI_EMSIG_PKCSV1_5) Debug.Print "RSA_DecodeMsg returns " & nDigLen & " (expecting 20)" If nDigLen <= 0 Then Debug.Print "ERROR: Cannot extract digest" Exit Function End If ReDim abDigest(nDigLen - 1) nRet = RSA_DecodeMsg(abDigest(0), nDigLen, abData(0), nDataLen, PKI_EMSIG_PKCSV1_5) ' Display bytes as hex and base64 Debug.Print "digest=" & cnvHexStrFromBytes(abDigest) Debug.Print "base64=" & cnvB64StrFromBytes(abDigest) ' Return digest in hex XMLDSIG_VerifySigUsingCert = cnvHexStrFromBytes(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 Dim nLen As Long ' 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, " ") nLen = HASH_HexFromString(strDigest, Len(strDigest), strData, Len(strData), PKI_HASH_SHA1) Debug.Print "SHA1(DA)=" & strDigest ' Display in base64 Debug.Print "SHA1(DA)=" & cnvB64StrFromBytes(cnvBytesFromHexStr(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