diff options
Diffstat (limited to 'ffi/cs/bls.cs')
| -rw-r--r-- | ffi/cs/bls.cs | 514 |
1 files changed, 276 insertions, 238 deletions
diff --git a/ffi/cs/bls.cs b/ffi/cs/bls.cs index 417550a..0afb9ca 100644 --- a/ffi/cs/bls.cs +++ b/ffi/cs/bls.cs @@ -2,8 +2,10 @@ using System.Text; using System.Runtime.InteropServices; -namespace mcl { - class BLS { +namespace mcl +{ + class BLS + { public const int BN254 = 0; public const int BLS12_381 = 5; @@ -17,289 +19,325 @@ namespace mcl { 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 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 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]StringBuilder buf, ulong maxBufSize, in Id id); - [DllImport(dllName)] public static extern ulong blsSecretKeySerialize([Out]StringBuilder buf, ulong maxBufSize, in SecretKey sec); - [DllImport(dllName)] public static extern ulong blsPublicKeySerialize([Out]StringBuilder buf, ulong maxBufSize, in PublicKey pub); - [DllImport(dllName)] public static extern ulong blsSignatureSerialize([Out]StringBuilder buf, ulong maxBufSize, in Signature sig); - [DllImport(dllName)] public static extern int blsIdDeserialize(ref Id id, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize); - [DllImport(dllName)] public static extern int blsSecretKeyDeserialize(ref SecretKey sec, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize); - [DllImport(dllName)] public static extern int blsPublicKeyDeserialize(ref PublicKey pub, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize); - [DllImport(dllName)] public static extern int blsSignatureDeserialize(ref Signature sig, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize); + [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); + [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); + [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 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); + [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); + // 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 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); + [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); + // 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 + ////////////////////////////////////////////////////////////////////////// + // 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); - /* + // 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); + [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][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize); - [DllImport(dllName)] public static extern int blsSecretKeySetDecStr(ref SecretKey sec, [In][MarshalAs(UnmanagedType.LPStr)] string buf, ulong bufSize); + // 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]StringBuilder buf, ulong maxBufSize, in SecretKey sec); - /* + [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); + [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"); - } - } + 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 { + public unsafe struct Id + { private fixed ulong v[ID_UNIT_SIZE]; - public bool IsEqual(in Id rhs) - { + 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(in String s) - { - if (blsIdSetDecStr(ref this, s, (ulong)s.Length) != 0) { - throw new ArgumentException("blsIdSetDecSt:" + s); - } - } - public void SetHexStr(in 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); - } - } + 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 { + public unsafe struct SecretKey + { private fixed ulong v[SECRETKEY_UNIT_SIZE]; - public bool IsEqual(in SecretKey rhs) - { - return blsSecretKeyIsEqual(this, rhs) != 0; - } - public void SetHexStr(in 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(in string s) - { - if (blsHashToSecretKey(ref this, s, (ulong)s.Length) != 0) { - throw new ArgumentException("blsHashToSecretKey"); - } - } - public PublicKey GetPublicKey() - { - PublicKey pub = new PublicKey(); - blsGetPublicKey(ref pub, this); - return pub; - } - public Signature Signature(String m) - { - Signature Signature = new Signature(); - blsSign(ref Signature, this, m, (ulong)m.Length); - return Signature; - } + 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 = new PublicKey(); + blsGetPublicKey(ref pub, this); + return pub; + } + public Signature Signature(string m) { + Signature Signature = new Signature(); + blsSign(ref Signature, this, m, (ulong)m.Length); + return Signature; + } + } + // secretKey = sum_{i=0}^{msk.Length - 1} msk[i] * id^i + public static SecretKey ShareSecretKey(in SecretKey[] msk, in Id id) { + SecretKey sec = new SecretKey(); + 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[] secs, in Id[] ids) { + SecretKey sec = new SecretKey(); + if (blsSecretKeyRecover(ref sec, secs[0], ids[0], (ulong)secs.Length) != 0) { + throw new ArgumentException("Recover"); + } + return sec; } - // secretKey = sum_{i=0}^{msk.Length - 1} msk[i] * id^i - public static SecretKey ShareSecretKey(in SecretKey[] msk, in Id id) - { - SecretKey sec = new SecretKey(); - 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[] secs, in Id[] ids) - { - SecretKey sec = new SecretKey(); - if (blsSecretKeyRecover(ref sec, secs[0], ids[0], (ulong)secs.Length) != 0) { - throw new ArgumentException("Recover"); - } - return sec; - } [StructLayout(LayoutKind.Sequential)] - public unsafe struct PublicKey { + public unsafe struct PublicKey + { private fixed ulong v[PUBLICKEY_UNIT_SIZE]; - public bool IsEqual(in PublicKey rhs) - { - return blsPublicKeyIsEqual(this, rhs) != 0; - } - public void SetStr(in 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, in string m) - { - return blsVerify(sig, this, m, (ulong)m.Length) == 1; - } - } - // publicKey = sum_{i=0}^{mpk.Length - 1} mpk[i] * id^i - public static PublicKey SharePublicKey(in PublicKey[] mpk, in Id id) - { - PublicKey pub = new PublicKey(); - 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[] pubs, in Id[] ids) - { - PublicKey pub = new PublicKey(); - if (blsPublicKeyRecover(ref pub, pubs[0], ids[0], (ulong)pubs.Length) != 0) { - throw new ArgumentException("Recover"); - } - return pub; - } + 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; + } + } + // publicKey = sum_{i=0}^{mpk.Length - 1} mpk[i] * id^i + public static PublicKey SharePublicKey(in PublicKey[] mpk, in Id id) { + PublicKey pub = new PublicKey(); + 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[] pubs, in Id[] ids) { + PublicKey pub = new PublicKey(); + if (blsPublicKeyRecover(ref pub, pubs[0], ids[0], (ulong)pubs.Length) != 0) { + throw new ArgumentException("Recover"); + } + return pub; + } [StructLayout(LayoutKind.Sequential)] - public unsafe struct Signature { + public unsafe struct Signature + { private fixed ulong v[SIGNATURE_UNIT_SIZE]; - public bool IsEqual(in Signature rhs) - { - return blsSignatureIsEqual(this, rhs) != 0; - } - public void SetStr(in 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[] signs, in Id[] ids) - { - Signature Signature = new Signature(); - if (blsSignatureRecover(ref Signature, signs[0], ids[0], (ulong)signs.Length) != 0) { - throw new ArgumentException("Recover"); - } - return Signature; - } + 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[] signs, in Id[] ids) { + Signature Signature = new Signature(); + if (blsSignatureRecover(ref Signature, signs[0], ids[0], (ulong)signs.Length) != 0) { + throw new ArgumentException("Recover"); + } + return Signature; + } } } |