PoS_EVM
/
mcl
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge branch 'cs_tmp'

Browse Source
update-fork
MITSUNARI Shigeo 4 years ago
parent de148824a4 5a24245d0e
commit 3fc2ca7109
3 changed files with 223 additions and 21 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 88
      ffi/cs/mcl/mcl.cs
  2. 122
      ffi/cs/test/test.cs
  3. 34
      test/bench.hpp

88
ffi/cs/mcl/mcl.cs
Unescape View File

@ -19,7 +19,6 @@ namespace mcl {
[DllImport(dllName)] public static extern int mclBn_init(int curve, int compiledTimeVar);
[DllImport(dllName)] public static extern void mclBn_setETHserialization(int enable);
[DllImport(dllName)] public static extern int mclBn_setMapToMode(int mode);
[DllImport(dllName)] public static extern int mclBn_FrEvaluatePolynomial(ref Fr z, [In] Fr[] poly, long bufSize, in Fr y);
[DllImport(dllName)] public static extern void mclBnFr_clear(ref Fr x);
[DllImport(dllName)] public static extern void mclBnFr_setInt(ref Fr y, int x);
[DllImport(dllName)] public static extern int mclBnFr_setStr(ref Fr x, [In][MarshalAs(UnmanagedType.LPStr)] string buf, long bufSize, int ioMode);
@ -73,7 +72,7 @@ namespace mcl {
[DllImport(dllName)] public static extern void mclBnG1_add(ref G1 z, in G1 x, in G1 y);
[DllImport(dllName)] public static extern void mclBnG1_sub(ref G1 z, in G1 x, in G1 y);
[DllImport(dllName)] public static extern void mclBnG1_mul(ref G1 z, in G1 x, in Fr y);
[DllImport(dllName)] public static extern void mclBnG1_mulVec(ref G1 z, [In]G1[] x, [In]Fr[] y, long n);
[DllImport(dllName)] public static extern void mclBnG1_mulVec(ref G1 z, [In] G1[] x, [In] Fr[] y, long n);
[DllImport(dllName)] public static extern void mclBnG2_clear(ref G2 x);
[DllImport(dllName)] public static extern int mclBnG2_setStr(ref G2 x, [In][MarshalAs(UnmanagedType.LPStr)] string buf, long bufSize, int ioMode);
@ -115,13 +114,19 @@ namespace mcl {
[DllImport(dllName)] public static extern int mclBn_getFpByteSize();
[DllImport(dllName)] public static extern ulong mclBnFp_serialize([Out] byte[] buf, ulong maxBufSize, in Fp x);
[DllImport(dllName)] public static extern ulong mclBnFr_serialize([Out] byte[] buf, ulong maxBufSize, in Fr x);
[DllImport(dllName)] public static extern ulong mclBnG1_serialize([Out]byte[] buf, ulong maxBufSize, in G1 x);
[DllImport(dllName)] public static extern ulong mclBnG2_serialize([Out]byte[] buf, ulong maxBufSize, in G2 x);
[DllImport(dllName)] public static extern ulong mclBnFr_deserialize(ref Fr x, [In]byte[] buf, ulong bufSize);
[DllImport(dllName)] public static extern ulong mclBnFp_deserialize(ref Fp x, [In]byte[] buf, ulong bufSize);
[DllImport(dllName)] public static extern ulong mclBnG1_deserialize(ref G1 x, [In]byte[] buf, ulong bufSize);
[DllImport(dllName)] public static extern ulong mclBnG2_deserialize(ref G2 x, [In]byte[] buf, ulong bufSize);
[DllImport(dllName)] public static extern ulong mclBnG1_serialize([Out] byte[] buf, ulong maxBufSize, in G1 x);
[DllImport(dllName)] public static extern ulong mclBnG2_serialize([Out] byte[] buf, ulong maxBufSize, in G2 x);
[DllImport(dllName)] public static extern ulong mclBnFr_deserialize(ref Fr x, [In] byte[] buf, ulong bufSize);
[DllImport(dllName)] public static extern ulong mclBnFp_deserialize(ref Fp x, [In] byte[] buf, ulong bufSize);
[DllImport(dllName)] public static extern ulong mclBnG1_deserialize(ref G1 x, [In] byte[] buf, ulong bufSize);
[DllImport(dllName)] public static extern ulong mclBnG2_deserialize(ref G2 x, [In] byte[] buf, ulong bufSize);
[DllImport(dllName)] public static extern int mclBn_FrEvaluatePolynomial(ref Fr z, [In] Fr[] cVec, ulong cSize, in Fr x);
[DllImport(dllName)] public static extern int mclBn_G1EvaluatePolynomial(ref G1 z, [In] G1[] cVec, ulong cSize, in Fr x);
[DllImport(dllName)] public static extern int mclBn_G2EvaluatePolynomial(ref G2 z, [In] G2[] cVec, ulong cSize, in Fr x);
[DllImport(dllName)] public static extern int mclBn_FrLagrangeInterpolation(ref Fr z, [In] Fr[] xVec, [In] Fr[] yVec, ulong k);
[DllImport(dllName)] public static extern int mclBn_G1LagrangeInterpolation(ref G1 z, [In] Fr[] xVec, [In] G1[] yVec, ulong k);
[DllImport(dllName)] public static extern int mclBn_G2LagrangeInterpolation(ref G2 z, [In] Fr[] xVec, [In] G2[] yVec, ulong k);
public static void Init(int curveType = BN254)
{
if (!System.Environment.Is64BitProcess) {
@ -302,6 +307,65 @@ namespace mcl {
{
mclBn_millerLoop(ref z, x, y);
}
// y = f(x) with a polynomial f(t) = sum_i cVec[i] t^i
public static void Share(ref Fr y, in Fr[] cVec, in Fr x)
{
ulong k = (ulong)cVec.Length;
int ret = mclBn_FrEvaluatePolynomial(ref y, cVec, k, x);
if (ret != 0) {
throw new ArgumentException("mclBn_FrEvaluatePolynomial");
}
}
public static void Share(ref G1 y, in G1[] cVec, in Fr x)
{
ulong k = (ulong)cVec.Length;
int ret = mclBn_G1EvaluatePolynomial(ref y, cVec, k, x);
if (ret != 0) {
throw new ArgumentException("mclBn_G1EvaluatePolynomial");
}
}
public static void Share(ref G2 y, in G2[] cVec, in Fr x)
{
ulong k = (ulong)cVec.Length;
int ret = mclBn_G2EvaluatePolynomial(ref y, cVec, k, x);
if (ret != 0) {
throw new ArgumentException("mclBn_G2EvaluatePolynomial");
}
}
// recover z by Lagrange interpolation with {xVec[i], yVec[i]}
public static void Recover(ref Fr z, in Fr[] xVec, in Fr[] yVec)
{
if (xVec.Length != yVec.Length) {
throw new ArgumentException("bad length");
}
ulong k = (ulong)xVec.Length;
int ret = mclBn_FrLagrangeInterpolation(ref z, xVec, yVec, k);
if (ret != 0) {
throw new ArgumentException("mclBn_FrLagrangeInterpolation:" + ret.ToString());
}
}
public static void Recover(ref G1 z, in Fr[] xVec, in G1[] yVec)
{
if (xVec.Length != yVec.Length) {
throw new ArgumentException("bad length");
}
ulong k = (ulong)xVec.Length;
int ret = mclBn_G1LagrangeInterpolation(ref z, xVec, yVec, k);
if (ret != 0) {
throw new ArgumentException("mclBn_G1LagrangeInterpolation:" + ret.ToString());
}
}
public static void Recover(ref G2 z, in Fr[] xVec, in G2[] yVec)
{
if (xVec.Length != yVec.Length) {
throw new ArgumentException("bad length");
}
ulong k = (ulong)xVec.Length;
int ret = mclBn_G2LagrangeInterpolation(ref z, xVec, yVec, k);
if (ret != 0) {
throw new ArgumentException("mclBn_G2LagrangeInterpolation:" + ret.ToString());
}
}
[StructLayout(LayoutKind.Sequential)]
struct U128 {
private ulong v0, v1;
@ -638,6 +702,10 @@ namespace mcl {
throw new ArgumentException("mclBnG1_hashAndMapTo:" + s);
}
}
public void SetHashOf(String s)
{
HashAndMapTo(s);
}
public string GetStr(int ioMode)
{
StringBuilder sb = new StringBuilder(1024);
@ -748,6 +816,10 @@ namespace mcl {
throw new ArgumentException("mclBnG2_hashAndMapTo:" + s);
}
}
public void SetHashOf(String s)
{
HashAndMapTo(s);
}
public string GetStr(int ioMode)
{
StringBuilder sb = new StringBuilder(1024);

122
ffi/cs/test/test.cs
Unescape View File

@ -10,7 +10,7 @@ namespace mcl {
Console.WriteLine("ERR {0}", msg);
err++;
}
static void Main(string[] args)
static void Main()
{
err = 0;
try {
@ -34,7 +34,6 @@ namespace mcl {
}
static void TestCurve(int curveType)
{
Init(curveType);
TestFr();
@ -42,6 +41,7 @@ namespace mcl {
TestG1();
TestG2();
TestPairing();
TestSS();
}
static void TestFr()
{
@ -286,5 +286,123 @@ namespace mcl {
{
TestETH_mapToG1();
}
static void TestSS_Fr()
{
const int n = 5;
const int k = 3; // can't change because the following loop
Fr[] cVec = new Fr[k];
// init polynomial coefficient
for (int i = 0; i < k; i++) {
cVec[i].SetByCSPRNG();
}
Fr[] xVec = new Fr[n];
Fr[] yVec = new Fr[n];
// share cVec[0] with yVec[0], ..., yVec[n-1]
for (int i = 0; i < n; i++) {
xVec[i].SetHashOf(i.ToString());
MCL.Share(ref yVec[i], cVec, xVec[i]);
}
// recover cVec[0] from xVecSubset and yVecSubset
Fr[] xVecSubset = new Fr[k];
Fr[] yVecSubset = new Fr[k];
for (int i0 = 0; i0 < n; i0++) {
xVecSubset[0] = xVec[i0];
yVecSubset[0] = yVec[i0];
for (int i1 = i0 + 1; i1 < n; i1++) {
xVecSubset[1] = xVec[i1];
yVecSubset[1] = yVec[i1];
for (int i2 = i1 + 1; i2 < n; i2++) {
xVecSubset[2] = xVec[i2];
yVecSubset[2] = yVec[i2];
Fr s = new Fr();
MCL.Recover(ref s, xVecSubset, yVecSubset);
assert("Recover", s.Equals(cVec[0]));
}
}
}
}
static void TestSS_G1()
{
const int n = 5;
const int k = 3; // can't change because the following loop
G1[] cVec = new G1[k];
// init polynomial coefficient
for (int i = 0; i < k; i++) {
Fr x = new Fr();
x.SetByCSPRNG();
cVec[i].SetHashOf(x.GetStr(16));
}
Fr[] xVec = new Fr[n];
G1[] yVec = new G1[n];
// share cVec[0] with yVec[0], ..., yVec[n-1]
for (int i = 0; i < n; i++) {
xVec[i].SetHashOf(i.ToString());
MCL.Share(ref yVec[i], cVec, xVec[i]);
}
// recover cVec[0] from xVecSubset and yVecSubset
Fr[] xVecSubset = new Fr[k];
G1[] yVecSubset = new G1[k];
for (int i0 = 0; i0 < n; i0++) {
xVecSubset[0] = xVec[i0];
yVecSubset[0] = yVec[i0];
for (int i1 = i0 + 1; i1 < n; i1++) {
xVecSubset[1] = xVec[i1];
yVecSubset[1] = yVec[i1];
for (int i2 = i1 + 1; i2 < n; i2++) {
xVecSubset[2] = xVec[i2];
yVecSubset[2] = yVec[i2];
G1 s = new G1();
MCL.Recover(ref s, xVecSubset, yVecSubset);
assert("Recover", s.Equals(cVec[0]));
}
}
}
}
static void TestSS_G2()
{
const int n = 5;
const int k = 3; // can't change because the following loop
G2[] cVec = new G2[k];
// init polynomial coefficient
for (int i = 0; i < k; i++) {
Fr x = new Fr();
x.SetByCSPRNG();
cVec[i].SetHashOf(x.GetStr(16));
}
Fr[] xVec = new Fr[n];
G2[] yVec = new G2[n];
// share cVec[0] with yVec[0], ..., yVec[n-1]
for (int i = 0; i < n; i++) {
xVec[i].SetHashOf(i.ToString());
MCL.Share(ref yVec[i], cVec, xVec[i]);
}
// recover cVec[0] from xVecSubset and yVecSubset
Fr[] xVecSubset = new Fr[k];
G2[] yVecSubset = new G2[k];
for (int i0 = 0; i0 < n; i0++) {
xVecSubset[0] = xVec[i0];
yVecSubset[0] = yVec[i0];
for (int i1 = i0 + 1; i1 < n; i1++) {
xVecSubset[1] = xVec[i1];
yVecSubset[1] = yVec[i1];
for (int i2 = i1 + 1; i2 < n; i2++) {
xVecSubset[2] = xVec[i2];
yVecSubset[2] = yVec[i2];
G2 s = new G2();
MCL.Recover(ref s, xVecSubset, yVecSubset);
assert("Recover", s.Equals(cVec[0]));
}
}
}
}
static void TestSS()
{
TestSS_Fr();
TestSS_G1();
TestSS_G2();
}
}
}

34
test/bench.hpp
Unescape View File

@ -229,20 +229,32 @@ void testSquareRoot()
void testLagrange()
{
puts("testLagrange");
const int k = 7;
Fr c[k], x[k], y[k];
const int n = 5;
const int k = 3;
Fr c[k];
Fr x[n], y[n];
for (size_t i = 0; i < k; i++) {
c[i].setByCSPRNG();
x[i].setByCSPRNG();
}
for (size_t i = 0; i < k; i++) {
for (size_t i = 0; i < n; i++) {
x[i].setByCSPRNG();
mcl::evaluatePolynomial(y[i], c, k, x[i]);
}
Fr s;
mcl::LagrangeInterpolation(s, x, y, k);
CYBOZU_TEST_EQUAL(s, c[0]);
mcl::LagrangeInterpolation(s, x, y, 1);
CYBOZU_TEST_EQUAL(s, y[0]);
mcl::evaluatePolynomial(y[0], c, 1, x[0]);
CYBOZU_TEST_EQUAL(y[0], c[0]);
Fr xs[k], ys[k];
for (int i0 = 0; i0 < n; i0++) {
xs[0] = x[i0];
ys[0] = y[i0];
for (int i1 = i0 + 1; i1 < n; i1++) {
xs[1] = x[i1];
ys[1] = y[i1];
for (int i2 = i1 + 1; i2 < n; i2++) {
xs[2] = x[i2];
ys[2] = y[i2];
Fr s;
s.clear();
mcl::LagrangeInterpolation(s, xs, ys, k);
CYBOZU_TEST_EQUAL(s, c[0]);
}
}
}
}

Write Preview
Loading…
Cancel
Save