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Code Issues Releases Wiki Activity

rename CryptoKey to SymmetricCryptoKey

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This commit is contained in:
Kyle Spearrin
2017-04-22 14:36:31 -04:00
parent b26c3d050c
commit 27e0c7421b
9 changed files with 50 additions and 49 deletions
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62
src/App/Models/SymmetricCryptoKey.cs Normal file
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using Bit.App.Enums;
using System;
using System.Linq;
namespace Bit.App.Models
{
public class SymmetricCryptoKey
{
public SymmetricCryptoKey(byte[] rawBytes, EncryptionType? encType = null)
{
if(rawBytes == null || rawBytes.Length == 0)
{
throw new Exception("Must provide keyBytes.");
}
if(encType == null)
{
if(rawBytes.Length == 32)
{
encType = EncryptionType.AesCbc256_B64;
}
else if(rawBytes.Length == 64)
{
encType = EncryptionType.AesCbc256_HmacSha256_B64;
}
else
{
throw new Exception("Unable to determine encType.");
}
}
EncryptionType = encType.Value;
Key = rawBytes;
if(EncryptionType == EncryptionType.AesCbc256_B64 && Key.Length == 32)
{
EncKey = Key;
MacKey = null;
}
else if(EncryptionType == EncryptionType.AesCbc128_HmacSha256_B64 && Key.Length == 32)
{
EncKey = Key.Take(16).ToArray();
MacKey = Key.Skip(16).Take(16).ToArray();
}
else if(EncryptionType == EncryptionType.AesCbc256_HmacSha256_B64 && Key.Length == 64)
{
EncKey = Key.Take(32).ToArray();
MacKey = Key.Skip(32).Take(32).ToArray();
}
else
{
throw new Exception("Unsupported encType/key length.");
}
}
public byte[] Key { get; set; }
public string B64Key => Convert.ToBase64String(Key);
public byte[] EncKey { get; set; }
public byte[] MacKey { get; set; }
public EncryptionType EncryptionType { get; set; }
}
}