private static string GetHashAlgorithmOid(object hashAlg)
{
string hashAlgOid = null;
if (hashAlg is string)
{
hashAlgOid = GostCryptoConfig.MapNameToOID((string)hashAlg);
if (string.IsNullOrEmpty(hashAlgOid))
{
hashAlgOid = (string)hashAlg;
}
}
else if (hashAlg is HashAlgorithm)
{
hashAlgOid = GostCryptoConfig.MapNameToOID(hashAlg.GetType().ToString());
}
else if (hashAlg is Type)
{
hashAlgOid = GostCryptoConfig.MapNameToOID(hashAlg.ToString());
}
if (string.IsNullOrEmpty(hashAlgOid))
{
throw ExceptionUtility.Argument("hashAlg", Resources.InvalidHashAlgorithm);
}
return(hashAlgOid);
}
public override AsymmetricSignatureDeformatter CreateDeformatter(AsymmetricAlgorithm key)
{
AsymmetricSignatureDeformatter item = (AsymmetricSignatureDeformatter)GostCryptoConfig.CreateFromName(DeformatterAlgorithm);
item.SetKey(key);
item.SetHashAlgorithm("SHA1");
return(item);
}