public IMatrix GetEncryptedMatrix(Matrix <double> m, EMatrixFormat format, double scale)
{
IMatrix res = null;
Utils.ProcessInEnv((env) =>
{
EncryptedSealBfvVector[] vecs = null;
if (format == EMatrixFormat.ColumnMajor)
{
vecs = new EncryptedSealBfvVector[m.ColumnCount];
Utils.ParallelProcessInEnv(vecs.Length, env, (penv, taskIndex, k) =>
{
vecs[k] = new EncryptedSealBfvVector(m.Column(k), penv, scale, Format: EVectorFormat.dense, EncryptData: true);
});
}
else
{
vecs = new EncryptedSealBfvVector[m.RowCount];
Utils.ParallelProcessInEnv(vecs.Length, env, (penv, taskIndex, k) =>
{
vecs[k] = new EncryptedSealBfvVector(m.Row(k), penv, scale, Format: EVectorFormat.dense, EncryptData: true);
});
}
res = new EncryptedSealBfvMatrix(vecs, env)
{
Format = format
};
foreach (var v in vecs)
{
v.Dispose();
}
}, this);
return(res);
}
public IMatrix GetMatrix(IVector[] vectors, EMatrixFormat format, bool CopyVectors = true)
{
IMatrix mat = null;
Utils.ProcessInEnv((env) =>
{
mat = new EncryptedSealBfvMatrix(Array.ConvertAll(vectors, v => (EncryptedSealBfvVector)v), env, CopyVectors: CopyVectors)
{
Format = format
};
}, this);
return(mat);
}
public IMatrix GetPlainMatrix(Matrix <double> m, EMatrixFormat format, double scale)
{
IMatrix res = null;
Utils.ProcessInEnv((env) =>
{
EncryptedSealBfvVector[] vecs = (format == EMatrixFormat.ColumnMajor) ?
m.EnumerateColumns().Select(v => new EncryptedSealBfvVector(v, env, scale, Format: EVectorFormat.dense, EncryptData: false)).ToArray()
: m.EnumerateRows().Select(v => new EncryptedSealBfvVector(v, env, scale, Format: EVectorFormat.dense, EncryptData: false)).ToArray();
res = new EncryptedSealBfvMatrix(vecs, env)
{
Format = format
};
foreach (var v in vecs)
{
v.Dispose();
}
}, this);
return(res);
}
public static EncryptedSealBfvMatrix Read(StreamReader str, EncryptedSealBfvEnvironment env)
{
var mtx = new EncryptedSealBfvMatrix();
var line = str.ReadLine();
if (line != "<Start LargeEncryptedMatrix>")
{
throw new Exception("Bad stream format.");
}
mtx.Format = (EMatrixFormat)Enum.Parse(mtx.Format.GetType(), str.ReadLine());
mtx.leVectors = new EncryptedSealBfvVector[int.Parse(str.ReadLine())];
for (int i = 0; i < mtx.leVectors.Length; i++)
{
mtx.leVectors[i] = EncryptedSealBfvVector.Read(str, env);
}
line = str.ReadLine();
if (line != "<End LargeEncryptedMatrix>")
{
throw new Exception("Bad stream format.");
}
return(mtx);
}
public IMatrix LoadMatrix(StreamReader str)
{
return(Utils.ProcessInEnv(env => EncryptedSealBfvMatrix.Read(str, env as EncryptedSealBfvEnvironment), this));
}
