/// <summary>
/// Generates the key.
/// </summary>
/// <param name="size">The size.</param>
protected override void GenerateKey(int size, KeyczarConfig config)
{
AesKeyBytes = new byte[size / 8];
Secure.Random.NextBytes(AesKeyBytes);
HmacKey = (HmacSha2Key)Generate(UnofficialKeyType.HmacSha2, size);
HmacKey.HashLength = size / 8; //Truncate hash length to match JWE
//https://tools.ietf.org/html/rfc7518#page-23
}
/// <summary>
/// Generates the key.
/// </summary>
/// <param name="size">The size.</param>
protected override void GenerateKey(int size, KeyczarConfig config)
{
HmacKeyBytes = new byte[size / 8];
Digest = DigestForSize(size);
HashLength = HashLengthForDigest(Digest);
Secure.Random.NextBytes(HmacKeyBytes);
}
/// <summary>
/// Generates the key.
/// </summary>
/// <param name="size">The size.</param>
protected override void GenerateKey(int size, KeyczarConfig config)
{
var rsaparam = new RsaKeyPairGenerator();
rsaparam.Init(new KeyGenerationParameters(Secure.Random, size));
var pair = rsaparam.GenerateKeyPair();
var priv = (RsaPrivateCrtKeyParameters)pair.Private;
PrivateExponent = priv.Exponent.ToSystemBigInteger();
PrimeP = priv.P.ToSystemBigInteger();
PrimeQ = priv.Q.ToSystemBigInteger();
PrimeExponentP = priv.DP.ToSystemBigInteger();
PrimeExponentQ = priv.DQ.ToSystemBigInteger();
CrtCoefficient = priv.QInv.ToSystemBigInteger();
var pub = (RsaKeyParameters)pair.Public;
PublicKey = GeneratePubKey(size, pub.Exponent.ToSystemBigInteger(), pub.Modulus.ToSystemBigInteger());
}
/// <summary>
/// Generates the key.
/// </summary>
/// <param name="size">The size.</param>
protected override void GenerateKey(int size, KeyczarConfig config)
{
var paramgen = new DsaParametersGenerator();
paramgen.Init(size, 100, Secure.Random);
var keygen = new DsaKeyPairGenerator();
keygen.Init(new DsaKeyGenerationParameters(Secure.Random, paramgen.GenerateParameters()));
var pair = keygen.GenerateKeyPair();
var priv = (DsaPrivateKeyParameters)pair.Private;
X = priv.X.ToSystemBigInteger();
Size = size;
PublicKey = new DsaPublicKey();
var pub = (DsaPublicKeyParameters)pair.Public;
PublicKey.Y = pub.Y.ToSystemBigInteger();
PublicKey.G = pub.Parameters.G.ToSystemBigInteger();
PublicKey.P = pub.Parameters.P.ToSystemBigInteger();
PublicKey.Q = pub.Parameters.Q.ToSystemBigInteger();
PublicKey.Size = size;
}
/// <summary>
/// Unpacks the specified bytes into a key.
/// </summary>
/// <param name="data">The bytes.</param>
/// <returns></returns>
public Key Unpack(byte[] data, KeyczarConfig config)
{
using (var input = new MemoryStream(data))
using (var reader = new BsonDataReader(input))
{
var val = JToken.ReadFrom(reader);
var keyType = (KeyType)(string)val["type"];
var keyString = val["key"].ToString();
using (var stringReader = new StringReader(keyString))
{
var jsonSerializer =
JsonSerializer.Create(new JsonSerializerSettings
{
ContractResolver =
new CamelCasePropertyNamesContractResolver
()
});
return
((Key)
jsonSerializer.Deserialize(new WebSafeBase64ByteConverter.RawJsonReader(stringReader),
keyType.RepresentedType));
}
}
}
protected override void GenerateKey(int size, KeyczarConfig config)
{
throw new NotImplementedException();
}
/// <summary>
/// Generates the key.
/// </summary>
/// <param name="size">The size.</param>
protected override void GenerateKey(int size, KeyczarConfig config)
{
AesKeyBytes = new byte[size / 8];
Secure.Random.NextBytes(AesKeyBytes);
HmacKey = (HmacSha1Key)Generate(KeyType.HmacSha1, 0 /*uses default size*/);
}
/// <summary> /// Packs the specified key into bytes /// </summary> /// <param name="key">The key.</param> /// <returns></returns> public byte[] Pack(Key key, KeyczarConfig config) => Utility.ToBson(PackIt(key));
/// <summary> /// Generates the key. /// </summary> /// <param name="size">The size.</param> /// <exception cref="System.NotSupportedException"></exception> protected override void GenerateKey(int size, KeyczarConfig config) => throw new NotSupportedException();
/// <summary>
/// Generates the key.
/// </summary>
/// <param name="size">The size.</param>
protected override void GenerateKey(int size, KeyczarConfig config)
{
AesKeyBytes = new byte[size / 8];
Secure.Random.NextBytes(AesKeyBytes);
}
