public override byte[] Transform(byte[] pbMsg, KdfParameters p)
{
if(pbMsg == null) throw new ArgumentNullException("pbMsg");
if(p == null) throw new ArgumentNullException("p");
Type tRounds = p.GetTypeOf(ParamRounds);
if(tRounds == null) throw new ArgumentNullException("p.Rounds");
if(tRounds != typeof(ulong)) throw new ArgumentOutOfRangeException("p.Rounds");
ulong uRounds = p.GetUInt64(ParamRounds, 0);
byte[] pbSeed = p.GetByteArray(ParamSeed);
if(pbSeed == null) throw new ArgumentNullException("p.Seed");
if(pbMsg.Length != 32)
{
Debug.Assert(false);
pbMsg = CryptoUtil.HashSha256(pbMsg);
}
if(pbSeed.Length != 32)
{
Debug.Assert(false);
pbSeed = CryptoUtil.HashSha256(pbSeed);
}
return TransformKey(pbMsg, pbSeed, uRounds);
}
public override byte[] Transform(byte[] pbMsg, KdfParameters p)
{
if(pbMsg == null) throw new ArgumentNullException("pbMsg");
if(p == null) throw new ArgumentNullException("p");
byte[] pbSalt = p.GetByteArray(ParamSalt);
if(pbSalt == null)
throw new ArgumentNullException("p.Salt");
if((pbSalt.Length < MinSalt) || (pbSalt.Length > MaxSalt))
throw new ArgumentOutOfRangeException("p.Salt");
uint uPar = p.GetUInt32(ParamParallelism, 0);
if((uPar < MinParallelism) || (uPar > MaxParallelism))
throw new ArgumentOutOfRangeException("p.Parallelism");
ulong uMem = p.GetUInt64(ParamMemory, 0);
if((uMem < MinMemory) || (uMem > MaxMemory))
throw new ArgumentOutOfRangeException("p.Memory");
ulong uIt = p.GetUInt64(ParamIterations, 0);
if((uIt < MinIterations) || (uIt > MaxIterations))
throw new ArgumentOutOfRangeException("p.Iterations");
uint v = p.GetUInt32(ParamVersion, 0);
if((v < MinVersion) || (v > MaxVersion))
throw new ArgumentOutOfRangeException("p.Version");
byte[] pbSecretKey = p.GetByteArray(ParamSecretKey);
byte[] pbAssocData = p.GetByteArray(ParamAssocData);
byte[] pbRet = Argon2d(pbMsg, pbSalt, uPar, uMem, uIt,
32, v, pbSecretKey, pbAssocData);
if(uMem > (100UL * 1024UL * 1024UL)) GC.Collect();
return pbRet;
}
public override byte[] GetSeed(KdfParameters p)
{
return(p.GetByteArray(ParamSeed));
}
public override byte[] Transform(byte[] pbMsg, KdfParameters p)
{
if (pbMsg == null)
{
throw new ArgumentNullException("pbMsg");
}
if (p == null)
{
throw new ArgumentNullException("p");
}
byte[] pbSalt = p.GetByteArray(ParamSalt);
if (pbSalt == null)
{
throw new ArgumentNullException("p.Salt");
}
if ((pbSalt.Length < MinSalt) || (pbSalt.Length > MaxSalt))
{
throw new ArgumentOutOfRangeException("p.Salt");
}
uint uPar = p.GetUInt32(ParamParallelism, 0);
if ((uPar < MinParallelism) || (uPar > MaxParallelism))
{
throw new ArgumentOutOfRangeException("p.Parallelism");
}
ulong uMem = p.GetUInt64(ParamMemory, 0);
if ((uMem < MinMemory) || (uMem > MaxMemory))
{
throw new ArgumentOutOfRangeException("p.Memory");
}
ulong uIt = p.GetUInt64(ParamIterations, 0);
if ((uIt < MinIterations) || (uIt > MaxIterations))
{
throw new ArgumentOutOfRangeException("p.Iterations");
}
uint v = p.GetUInt32(ParamVersion, 0);
if ((v < MinVersion) || (v > MaxVersion))
{
throw new ArgumentOutOfRangeException("p.Version");
}
byte[] pbSecretKey = p.GetByteArray(ParamSecretKey);
byte[] pbAssocData = p.GetByteArray(ParamAssocData);
if (pbSecretKey != null)
{
throw new ArgumentOutOfRangeException("Unsupported configuration: non-null pbSecretKey");
}
if (pbAssocData != null)
{
throw new ArgumentOutOfRangeException("Unsupported configuration: non-null pbAssocData");
}
/*
* byte[] pbRet = Argon2d(pbMsg, pbSalt, uPar, uMem, uIt,
* 32, v, pbSecretKey, pbAssocData);
*/
IntPtr msgPtr = Marshal.AllocHGlobal(pbMsg.Length);
IntPtr saltPtr = Marshal.AllocHGlobal(pbSalt.Length);
IntPtr retPtr = Marshal.AllocHGlobal(32);
Marshal.Copy(pbMsg, 0, msgPtr, pbMsg.Length);
Marshal.Copy(pbSalt, 0, saltPtr, pbSalt.Length);
const UInt32 Argon2_d = 0;
int ret = argon2_hash(
(UInt32)uIt, (UInt32)(uMem / 1024), uPar,
msgPtr, (IntPtr)pbMsg.Length,
saltPtr, (IntPtr)pbSalt.Length,
retPtr, (IntPtr)32,
(IntPtr)0, (IntPtr)0, Argon2_d, v);
if (ret != 0)
{
throw new Exception("argon2_hash failed with " + ret);
}
byte[] pbRet = new byte[32];
Marshal.Copy(retPtr, pbRet, 0, 32);
Marshal.FreeHGlobal(msgPtr);
Marshal.FreeHGlobal(saltPtr);
Marshal.FreeHGlobal(retPtr);
if (uMem > (100UL * 1024UL * 1024UL))
{
GC.Collect();
}
return(pbRet);
}