// Constructor.
public SHA1CryptoServiceProvider()
: base()
{
try
{
state = CryptoMethods.HashNew(CryptoMethods.SHA1);
}
catch (NotImplementedException)
{
// The runtime engine does not have SHA1 support.
state = IntPtr.Zero;
}
}
// Constructor.
public RIPEMD160Managed()
: base()
{
try
{
state = CryptoMethods.HashNew(CryptoMethods.RIPEMD160);
}
catch (NotImplementedException)
{
// The runtime engine does not have RIPEMD160 support.
throw new CryptographicException
(_("Crypto_NoProvider"), "RIPEMD160");
}
}
// Constructor.
public SHA256Managed()
: base()
{
try
{
state = CryptoMethods.HashNew(CryptoMethods.SHA256);
}
catch (NotImplementedException)
{
// The runtime engine does not have SHA256 support.
throw new CryptographicException
(_("Crypto_NoProvider"), "SHA256");
}
}