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New Message on BDOTNET
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From: Govind_k22
Message 3 in Discussion
Thanks Deepak, I am using Capicom Interface Only. Here is My code :Function
SignData(ByVal sData As String) As String
Dim sSignedData As String
Dim MyStore As New Store()
Dim Signobj As New SignedData()
Dim Signer As New Signer()
Dim Cert As CAPICOM.Certificate
MyStore.Open(CAPICOM_STORE_LOCATION.CAPICOM_MEMORY_STORE, "MY",
CAPICOM_STORE_OPEN_MODE.CAPICOM_STORE_OPEN_READ_ONLY)
MyStore.Load("c:\inbnd\cert\gsladmin.pfx", "iwin2003") ' interworld8-11.p7b")
Cert = MyStore.Certificates.Item(1)
Signer.Certificate = Cert
Signobj.Content = sData
sSignedData = Signobj.Sign(Signer, False)
Signobj = Nothing
MyStore = Nothing
Signer = Nothing
Return sSignedDataBut I want Like these Implemented By PKCS#1. public byte[]
Hash(string plaintext)
{
HashAlgorithm hashAlgo = HashAlgorithm.Create(_strHashAlgo);
byte[] plaintextbyte = new UnicodeEncoding().GetBytes(plaintext);
byte[] hash = hashAlgo.ComputeHash(plaintextbyte);
return hash;
} public byte[] Sign(string plaintext)
{
byte[] hash = Hash(plaintext);
byte[] sign = _rsa.SignHash(hash,CryptoConfig.MapNameToOID(_strHashAlgo)); //128
byte signature
return sign;
}
public bool Validate(string plaintext, byte[] sign)
{
byte[] hash = Hash(plaintext);
bool test = _rsa.VerifyHash(hash,CryptoConfig.MapNameToOID(_strHashAlgo),sign);
return test;
}Regards,Govind.
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