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