public byte[] ExportCertificateData(string keyContainerName)
{
using (var facade = new GostCryptFacade(ProviderParams))
{
facade.AcquireContext(keyContainerName, 0);
return(facade.ExportCertificateData());
}
}
public GostCryptFacade Open(string keyContainerName, string keycontainerPassword)
{
var facade = new GostCryptFacade(ProviderParams);
facade.AcquireContext(keyContainerName, 0);
facade.SetPassword(keycontainerPassword);
return(facade);
}
public GostCryptFacade Create(string keyContainerName, KeyNumber keyNumber)
{
var facade = new GostCryptFacade(ProviderParams);
facade.AcquireContext(keyContainerName, Constants.NewKeySet);
facade.GenerateRandomKey(keyNumber);
return(facade);
}
public void Remove(string keyContainerName)
{
try
{
var facade = new GostCryptFacade(ProviderParams);
facade.AcquireContext(keyContainerName, Constants.DeleteKeySet);
}
catch (Win32Exception)
{
}
}
public byte[] GetCertificatePublicKey(byte[] certificateData)
{
using (var facade = new GostCryptFacade(ProviderParams))
{
facade.AcquireContext(null, Constants.CryptVerifycontext);
using (KeyContext keyContext = facade.ImportSertificate(certificateData))
{
return(keyContext.ExportPublicKey());
}
}
}
public byte[] ComputeHash(byte[] data)
{
using (var facade = new GostCryptFacade(ProviderParams))
{
facade.AcquireContext(null, Constants.CryptVerifycontext);
using (HashContext hashContext = facade.CreateHash(null, 0))
{
hashContext.AddData(data, 0);
return(hashContext.GetValue());
}
}
}
public bool Exist(string keyContainerName)
{
try
{
using (var facade = new GostCryptFacade(ProviderParams))
{
facade.AcquireContext(keyContainerName, Constants.SilentMode);
facade.GetUserKey();
return(true);
}
}
catch (Win32Exception)
{
return(false);
}
}
public bool VerifyCertificate(
byte[] signature,
byte[] data,
byte[] certificateData)
{
using (var facade = new GostCryptFacade(ProviderParams))
{
facade.AcquireContext(null, Constants.CryptVerifycontext);
using (KeyContext keyContext = facade.ImportSertificate(certificateData))
{
using (HashContext hashContext = facade.CreateHash(null, 0))
{
hashContext.AddData(data, 0);
return(keyContext.VerifySignature(signature, hashContext, 0));
}
}
}
}
