protected override JsonProperty CreateProperty(MemberInfo member, MemberSerialization memberSerialization)
{
var result = base.CreateProperty(member, memberSerialization);
if (member.GetEncryptedFieldAttribute(out var attribute))
{
if (attribute.Provider == null)
{
if (CryptoProviders == null || CryptoProviders.Count == 0)
{
throw new ArgumentException("A CryptoProvider must be configured.");
}
//assign the default provider if none is supplied
attribute.Provider = CryptoProviders.First().Key;
}
var propertyInfo = member as PropertyInfo;
result.PropertyName = EncryptedFieldPrefix + result.PropertyName;
result.Converter = new EncryptableFieldConverter(propertyInfo, CryptoProviders, attribute.Provider);
result.MemberConverter = new EncryptableFieldConverter(propertyInfo, CryptoProviders, attribute.Provider);
}
return(result);
}
public static byte[] GetFileHash(string filename, CryptoProviders cryptoProvider)
{
byte[] hash = null;
using (FileStream stream = File.OpenRead(filename))
{
switch (cryptoProvider)
{
case CryptoProviders.MD5:
MD5 md5 = MD5.Create();
hash = md5.ComputeHash(stream);
break;
case CryptoProviders.SHA1:
SHA1 sha1 = SHA1.Create();
hash = sha1.ComputeHash(stream);
break;
case CryptoProviders.SHA256:
SHA256 sha256 = SHA256.Create();
hash = sha256.ComputeHash(stream);
break;
}
}
return(hash);
}
