diff options
Diffstat (limited to 'vendor/github.com/tangerine-network/bls/ffi/cs/bls.cs')
-rw-r--r-- | vendor/github.com/tangerine-network/bls/ffi/cs/bls.cs | 351 |
1 files changed, 351 insertions, 0 deletions
diff --git a/vendor/github.com/tangerine-network/bls/ffi/cs/bls.cs b/vendor/github.com/tangerine-network/bls/ffi/cs/bls.cs new file mode 100644 index 000000000..6bcaf07fb --- /dev/null +++ b/vendor/github.com/tangerine-network/bls/ffi/cs/bls.cs @@ -0,0 +1,351 @@ +þ½Ž¿using System; +using System.Text; +using System.Runtime.InteropServices; + +namespace mcl +{ + class BLS + { + public const int BN254 = 0; + public const int BLS12_381 = 5; + + const int IoEcComp = 512; // fixed byte representation + public const int FR_UNIT_SIZE = 4; + public const int FP_UNIT_SIZE = 6; // 4 if bls256.dll is used + public const int COMPILED_TIME_VAR = FR_UNIT_SIZE * 10 + FP_UNIT_SIZE; + + public const int ID_UNIT_SIZE = FR_UNIT_SIZE; + public const int SECRETKEY_UNIT_SIZE = FR_UNIT_SIZE; + public const int PUBLICKEY_UNIT_SIZE = FP_UNIT_SIZE * 3 * 2; + public const int SIGNATURE_UNIT_SIZE = FP_UNIT_SIZE * 3; + + public const int ID_SERIALIZE_SIZE = FR_UNIT_SIZE * 8; + public const int SECRETKEY_SERIALIZE_SIZE = FR_UNIT_SIZE * 8; + public const int PUBLICKEY_SERIALIZE_SIZE = FP_UNIT_SIZE * 8 * 2; + public const int SIGNATURE_SERIALIZE_SIZE = FP_UNIT_SIZE * 8; + + public const string dllName = FP_UNIT_SIZE == 4 ? "bls256.dll" : "bls384_256.dll"; + [DllImport(dllName)] + public static extern int blsInit(int curveType, int compiledTimeVar); + + [DllImport(dllName)] public static extern void blsIdSetInt(ref Id id, int x); + [DllImport(dllName)] public static extern int blsIdSetDecStr(ref Id id, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize); + [DllImport(dllName)] public static extern int blsIdSetHexStr(ref Id id, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize); + [DllImport(dllName)] public static extern ulong blsIdGetDecStr([Out]StringBuilder buf, ulong maxBufSize, in Id id); + [DllImport(dllName)] public static extern ulong blsIdGetHexStr([Out]StringBuilder buf, ulong maxBufSize, in Id id); + + [DllImport(dllName)] public static extern ulong blsIdSerialize([Out]byte[] buf, ulong maxBufSize, in Id id); + [DllImport(dllName)] public static extern ulong blsSecretKeySerialize([Out]byte[] buf, ulong maxBufSize, in SecretKey sec); + [DllImport(dllName)] public static extern ulong blsPublicKeySerialize([Out]byte[] buf, ulong maxBufSize, in PublicKey pub); + [DllImport(dllName)] public static extern ulong blsSignatureSerialize([Out]byte[] buf, ulong maxBufSize, in Signature sig); + [DllImport(dllName)] public static extern ulong blsIdDeserialize(ref Id id, [In]byte[] buf, ulong bufSize); + [DllImport(dllName)] public static extern ulong blsSecretKeyDeserialize(ref SecretKey sec, [In]byte[] buf, ulong bufSize); + [DllImport(dllName)] public static extern ulong blsPublicKeyDeserialize(ref PublicKey pub, [In]byte[] buf, ulong bufSize); + [DllImport(dllName)] public static extern ulong blsSignatureDeserialize(ref Signature sig, [In]byte[] buf, ulong bufSize); + + [DllImport(dllName)] public static extern int blsIdIsEqual(in Id lhs, in Id rhs); + [DllImport(dllName)] public static extern int blsSecretKeyIsEqual(in SecretKey lhs, in SecretKey rhs); + [DllImport(dllName)] public static extern int blsPublicKeyIsEqual(in PublicKey lhs, in PublicKey rhs); + [DllImport(dllName)] public static extern int blsSignatureIsEqual(in Signature lhs, in Signature rhs); + // add + [DllImport(dllName)] public static extern void blsSecretKeyAdd(ref SecretKey sec, in SecretKey rhs); + [DllImport(dllName)] public static extern void blsPublicKeyAdd(ref PublicKey pub, in PublicKey rhs); + [DllImport(dllName)] public static extern void blsSignatureAdd(ref Signature sig, in Signature rhs); + // hash buf and set + [DllImport(dllName)] public static extern int blsHashToSecretKey(ref SecretKey sec, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize); + /* + set secretKey if system has /dev/urandom or CryptGenRandom + return 0 if success else -1 + */ + [DllImport(dllName)] public static extern int blsSecretKeySetByCSPRNG(ref SecretKey sec); + + [DllImport(dllName)] public static extern void blsGetPublicKey(ref PublicKey pub, in SecretKey sec); + [DllImport(dllName)] public static extern void blsGetPop(ref Signature sig, in SecretKey sec); + + // return 0 if success + [DllImport(dllName)] public static extern int blsSecretKeyShare(ref SecretKey sec, in SecretKey msk, ulong k, in Id id); + [DllImport(dllName)] public static extern int blsPublicKeyShare(ref PublicKey pub, in PublicKey mpk, ulong k, in Id id); + + + [DllImport(dllName)] public static extern int blsSecretKeyRecover(ref SecretKey sec, in SecretKey secVec, in Id idVec, ulong n); + [DllImport(dllName)] public static extern int blsPublicKeyRecover(ref PublicKey pub, in PublicKey pubVec, in Id idVec, ulong n); + [DllImport(dllName)] public static extern int blsSignatureRecover(ref Signature sig, in Signature sigVec, in Id idVec, ulong n); + + [DllImport(dllName)] public static extern void blsSign(ref Signature sig, in SecretKey sec, [In][MarshalAs(UnmanagedType.LPStr)] string m, ulong size); + + // return 1 if valid + [DllImport(dllName)] public static extern int blsVerify(in Signature sig, in PublicKey pub, [In][MarshalAs(UnmanagedType.LPStr)] string m, ulong size); + [DllImport(dllName)] public static extern int blsVerifyPop(in Signature sig, in PublicKey pub); + + ////////////////////////////////////////////////////////////////////////// + // the following apis will be removed + + // mask buf with (1 << (bitLen(r) - 1)) - 1 if buf >= r + [DllImport(dllName)] public static extern int blsIdSetLittleEndian(ref Id id, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize); + /* + return written byte size if success else 0 + */ + [DllImport(dllName)] public static extern ulong blsIdGetLittleEndian([Out]StringBuilder buf, ulong maxBufSize, in Id id); + + // return 0 if success + // mask buf with (1 << (bitLen(r) - 1)) - 1 if buf >= r + [DllImport(dllName)] public static extern int blsSecretKeySetLittleEndian(ref SecretKey sec, [In]byte[] buf, ulong bufSize); + [DllImport(dllName)] public static extern int blsSecretKeySetDecStr(ref SecretKey sec, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize); + [DllImport(dllName)] public static extern int blsSecretKeySetHexStr(ref SecretKey sec, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize); + /* + return written byte size if success else 0 + */ + [DllImport(dllName)] public static extern ulong blsSecretKeyGetLittleEndian([Out]byte[] buf, ulong maxBufSize, in SecretKey sec); + /* + return strlen(buf) if success else 0 + buf is '\0' terminated + */ + [DllImport(dllName)] public static extern ulong blsSecretKeyGetDecStr([Out]StringBuilder buf, ulong maxBufSize, in SecretKey sec); + [DllImport(dllName)] public static extern ulong blsSecretKeyGetHexStr([Out]StringBuilder buf, ulong maxBufSize, in SecretKey sec); + [DllImport(dllName)] public static extern int blsPublicKeySetHexStr(ref PublicKey pub, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize); + [DllImport(dllName)] public static extern ulong blsPublicKeyGetHexStr([Out]StringBuilder buf, ulong maxBufSize, in PublicKey pub); + [DllImport(dllName)] public static extern int blsSignatureSetHexStr(ref Signature sig, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize); + [DllImport(dllName)] public static extern ulong blsSignatureGetHexStr([Out]StringBuilder buf, ulong maxBufSize, in Signature sig); + + public static void Init(int curveType = BN254) { + if (!System.Environment.Is64BitProcess) { + throw new PlatformNotSupportedException("not 64-bit system"); + } + int err = blsInit(curveType, COMPILED_TIME_VAR); + if (err != 0) { + throw new ArgumentException("blsInit"); + } + } + [StructLayout(LayoutKind.Sequential)] + public unsafe struct Id + { + private fixed ulong v[ID_UNIT_SIZE]; + public byte[] Serialize() { + byte[] buf = new byte[ID_SERIALIZE_SIZE]; + ulong n = blsIdSerialize(buf, (ulong)buf.Length, this); + if (n == 0) { + throw new ArithmeticException("blsIdSerialize"); + } + return buf; + } + public void Deserialize(byte[] buf) { + ulong n = blsIdDeserialize(ref this, buf, (ulong)buf.Length); + if (n == 0) { + throw new ArithmeticException("blsIdDeserialize"); + } + } + public bool IsEqual(in Id rhs) { + return blsIdIsEqual(this, rhs) != 0; + } + public void SetDecStr(string s) { + if (blsIdSetDecStr(ref this, s, (ulong)s.Length) != 0) { + throw new ArgumentException("blsIdSetDecSt:" + s); + } + } + public void SetHexStr(string s) { + if (blsIdSetHexStr(ref this, s, (ulong)s.Length) != 0) { + throw new ArgumentException("blsIdSetHexStr:" + s); + } + } + public void SetInt(int x) { + blsIdSetInt(ref this, x); + } + public string GetDecStr() { + StringBuilder sb = new StringBuilder(1024); + ulong size = blsIdGetDecStr(sb, (ulong)sb.Capacity, this); + if (size == 0) { + throw new ArgumentException("blsIdGetDecStr"); + } + return sb.ToString(0, (int)size); + } + public string GetHexStr() { + StringBuilder sb = new StringBuilder(1024); + ulong size = blsIdGetHexStr(sb, (ulong)sb.Capacity, this); + if (size == 0) { + throw new ArgumentException("blsIdGetHexStr"); + } + return sb.ToString(0, (int)size); + } + } + [StructLayout(LayoutKind.Sequential)] + public unsafe struct SecretKey + { + private fixed ulong v[SECRETKEY_UNIT_SIZE]; + public byte[] Serialize() { + byte[] buf = new byte[SECRETKEY_SERIALIZE_SIZE]; + ulong n = blsSecretKeySerialize(buf, (ulong)buf.Length, this); + if (n == 0) { + throw new ArithmeticException("blsSecretKeySerialize"); + } + return buf; + } + public void Deserialize(byte[] buf) { + ulong n = blsSecretKeyDeserialize(ref this, buf, (ulong)buf.Length); + if (n == 0) { + throw new ArithmeticException("blsSecretKeyDeserialize"); + } + } + public bool IsEqual(in SecretKey rhs) { + return blsSecretKeyIsEqual(this, rhs) != 0; + } + public void SetHexStr(string s) { + if (blsSecretKeySetHexStr(ref this, s, (ulong)s.Length) != 0) { + throw new ArgumentException("blsSecretKeySetHexStr:" + s); + } + } + public string GetHexStr() { + StringBuilder sb = new StringBuilder(1024); + ulong size = blsSecretKeyGetHexStr(sb, (ulong)sb.Capacity, this); + if (size == 0) { + throw new ArgumentException("mclBnFr_getStr"); + } + return sb.ToString(0, (int)size); + } + public void Add(in SecretKey rhs) { + blsSecretKeyAdd(ref this, rhs); + } + public void SetByCSPRNG() { + blsSecretKeySetByCSPRNG(ref this); + } + public void SetHashOf(string s) { + if (blsHashToSecretKey(ref this, s, (ulong)s.Length) != 0) { + throw new ArgumentException("blsHashToSecretKey"); + } + } + public PublicKey GetPublicKey() { + PublicKey pub; + blsGetPublicKey(ref pub, this); + return pub; + } + public Signature Sign(string m) { + Signature sig; + blsSign(ref sig, this, m, (ulong)m.Length); + return sig; + } + public Signature GetPop() { + Signature sig; + blsGetPop(ref sig, this); + return sig; + } + } + // secretKey = sum_{i=0}^{msk.Length - 1} msk[i] * id^i + public static SecretKey ShareSecretKey(in SecretKey[] msk, in Id id) { + SecretKey sec; + if (blsSecretKeyShare(ref sec, msk[0], (ulong)msk.Length, id) != 0) { + throw new ArgumentException("GetSecretKeyForId:" + id.ToString()); + } + return sec; + } + public static SecretKey RecoverSecretKey(in SecretKey[] secVec, in Id[] idVec) { + SecretKey sec; + if (blsSecretKeyRecover(ref sec, secVec[0], idVec[0], (ulong)secVec.Length) != 0) { + throw new ArgumentException("Recover"); + } + return sec; + } + [StructLayout(LayoutKind.Sequential)] + public unsafe struct PublicKey + { + private fixed ulong v[PUBLICKEY_UNIT_SIZE]; + public byte[] Serialize() { + byte[] buf = new byte[PUBLICKEY_SERIALIZE_SIZE]; + ulong n = blsPublicKeySerialize(buf, (ulong)buf.Length, this); + if (n == 0) { + throw new ArithmeticException("blsPublicKeySerialize"); + } + return buf; + } + public void Deserialize(byte[] buf) { + ulong n = blsPublicKeyDeserialize(ref this, buf, (ulong)buf.Length); + if (n == 0) { + throw new ArithmeticException("blsPublicKeyDeserialize"); + } + } + public bool IsEqual(in PublicKey rhs) { + return blsPublicKeyIsEqual(this, rhs) != 0; + } + public void SetStr(string s) { + if (blsPublicKeySetHexStr(ref this, s, (ulong)s.Length) != 0) { + throw new ArgumentException("blsPublicKeySetStr:" + s); + } + } + public string GetHexStr() { + StringBuilder sb = new StringBuilder(1024); + ulong size = blsPublicKeyGetHexStr(sb, (ulong)sb.Capacity, this); + if (size == 0) { + throw new ArgumentException("blsPublicKeyGetStr"); + } + return sb.ToString(0, (int)size); + } + public void Add(in PublicKey rhs) { + blsPublicKeyAdd(ref this, rhs); + } + public bool Verify(in Signature sig, string m) { + return blsVerify(sig, this, m, (ulong)m.Length) == 1; + } + public bool VerifyPop(in Signature pop) { + return blsVerifyPop(pop, this) == 1; + } + } + // publicKey = sum_{i=0}^{mpk.Length - 1} mpk[i] * id^i + public static PublicKey SharePublicKey(in PublicKey[] mpk, in Id id) { + PublicKey pub; + if (blsPublicKeyShare(ref pub, mpk[0], (ulong)mpk.Length, id) != 0) { + throw new ArgumentException("GetPublicKeyForId:" + id.ToString()); + } + return pub; + } + public static PublicKey RecoverPublicKey(in PublicKey[] pubVec, in Id[] idVec) { + PublicKey pub; + if (blsPublicKeyRecover(ref pub, pubVec[0], idVec[0], (ulong)pubVec.Length) != 0) { + throw new ArgumentException("Recover"); + } + return pub; + } + [StructLayout(LayoutKind.Sequential)] + public unsafe struct Signature + { + private fixed ulong v[SIGNATURE_UNIT_SIZE]; + public byte[] Serialize() { + byte[] buf = new byte[SIGNATURE_SERIALIZE_SIZE]; + ulong n = blsSignatureSerialize(buf, (ulong)buf.Length, this); + if (n == 0) { + throw new ArithmeticException("blsSignatureSerialize"); + } + return buf; + } + public void Deserialize(byte[] buf) { + ulong n = blsSignatureDeserialize(ref this, buf, (ulong)buf.Length); + if (n == 0) { + throw new ArithmeticException("blsSignatureDeserialize"); + } + } + public bool IsEqual(in Signature rhs) { + return blsSignatureIsEqual(this, rhs) != 0; + } + public void SetStr(string s) { + if (blsSignatureSetHexStr(ref this, s, (ulong)s.Length) != 0) { + throw new ArgumentException("blsSignatureSetStr:" + s); + } + } + public string GetHexStr() { + StringBuilder sb = new StringBuilder(1024); + ulong size = blsSignatureGetHexStr(sb, (ulong)sb.Capacity, this); + if (size == 0) { + throw new ArgumentException("blsSignatureGetStr"); + } + return sb.ToString(0, (int)size); + } + public void Add(in Signature rhs) { + blsSignatureAdd(ref this, rhs); + } + } + public static Signature RecoverSign(in Signature[] sigVec, in Id[] idVec) { + Signature sig; + if (blsSignatureRecover(ref sig, sigVec[0], idVec[0], (ulong)sigVec.Length) != 0) { + throw new ArgumentException("Recover"); + } + return sig; + } + } +} |