Ejemplo n.º 1
0
 public virtual void Dofinal(byte[] c3)
 {
     byte[] p = p2.Normalize().YCoord.ToBigInteger().ToByteArray();
     sm3c3.update(p, 0, p.Length);
     sm3c3.doFinal(c3, 0);
     Reset();
 }
Ejemplo n.º 2
0
        private void NextKey()
        {
            SM3Digest sm3keycur = new SM3Digest(sm3keybase);

            sm3keycur.update((byte)(ct >> 24 & 0xff));
            sm3keycur.update((byte)(ct >> 16 & 0xff));
            sm3keycur.update((byte)(ct >> 8 & 0xff));
            sm3keycur.update((byte)(ct & 0xff));
            sm3keycur.doFinal(key, 0);
            keyOff = 0;
            ct++;
        }
Ejemplo n.º 3
0
        public static string Hash(string str)
        {
            SM3Digest sm3 = new SM3Digest();

            byte[] md   = new byte[sm3.getDigestSize()];
            byte[] msg1 = Encoding.UTF8.GetBytes(str);
            sm3.update(msg1, 0, msg1.Length);
            sm3.doFinal(md, 0);
            string s = Encoding.UTF8.GetString(Hex.Encode(md));

            return(s.ToUpper());
        }
Ejemplo n.º 4
0
        /**
         * 私钥签名
         * 使用SM3进行对明文数据计算一个摘要值
         * @param privatekey 私钥
         * @param sourceData 明文数据
         * @return 签名后的值
         * @throws Exception
         */
        public static SM2SignVO Sign2SM2(byte[] privatekey, byte[] sourceData)
        {
            SM2SignVO sm2SignVO = new SM2SignVO();

            sm2SignVO.setSm2_type("sign");
            var        factory = SM2CryptoServiceProvider.Instance;
            BigInteger userD   = new BigInteger(privatekey);

            //System.out.println("userD:"+userD.toString(16));
            sm2SignVO.setSm2_userd(userD.ToByteArray().ToHexString());

            ECPoint userKey = factory.ecc_point_g.Multiply(userD);
            //System.out.println("椭圆曲线点X: "+ userKey.getXCoord().toBigInteger().toString(16));
            //System.out.println("椭圆曲线点Y: "+ userKey.getYCoord().toBigInteger().toString(16));

            SM3Digest sm3Digest = new SM3Digest();

            byte[] z = factory.Sm2GetZ(USER_ID.GetBytes(), userKey);
            //System.out.println("SM3摘要Z: " + Util.getHexString(z));
            //System.out.println("被加密数据的16进制: " + Util.getHexString(sourceData));
            sm2SignVO.setSm3_z(z.ToHexString());
            sm2SignVO.setSign_express(sourceData.ToHexString());

            sm3Digest.update(z, 0, z.Length);
            sm3Digest.update(sourceData, 0, sourceData.Length);
            byte[] md = new byte[32];
            sm3Digest.doFinal(md, 0);
            //System.out.println("SM3摘要值: " + Util.getHexString(md));
            sm2SignVO.setSm3_digest(md.ToHexString());

            SM2Result sm2Result = new SM2Result();

            factory.sm2Sign(md, userD, userKey, sm2Result);
            //System.out.println("r: " + sm2Result.r.toString(16));
            //System.out.println("s: " + sm2Result.s.toString(16));
            sm2SignVO.setSign_r(sm2Result.r.ToByteArray().ToHexString());
            sm2SignVO.setSign_s(sm2Result.s.ToByteArray().ToHexString());

            var d_r = new DerInteger(sm2Result.r);
            var d_s = new DerInteger(sm2Result.s);
            var v2  = new Asn1EncodableVector();

            v2.Add(d_r);
            v2.Add(d_s);
            var    sign   = new DerSequence(v2);
            String result = sign.GetEncoded().ByteArrayToHex();

            sm2SignVO.setSm2_sign(result);
            return(sm2SignVO);
        }
Ejemplo n.º 5
0
        /// <summary>
        /// 验证签名
        /// </summary>
        /// <param name="publicKey">公钥信息</param>
        /// <param name="sourceData">密文信息</param>
        /// <param name="signData">签名信息</param>
        /// <returns>验签的对象 包含了相关参数和验签结果</returns>
        public static SM2SignVO VerifySignSM2(byte[] publicKey, byte[] sourceData, byte[] signData)
        {
            try
            {
                byte[]    formatedPubKey;
                SM2SignVO verifyVo = new SM2SignVO();
                verifyVo.setSm2_type("verify");
                if (publicKey.Length == 64)
                {
                    // 添加一字节标识,用于ECPoint解析
                    formatedPubKey    = new byte[65];
                    formatedPubKey[0] = 0x04;
                    System.Array.Copy(publicKey, 0, formatedPubKey, 1, publicKey.Length);
                }
                else
                {
                    formatedPubKey = publicKey;
                }
                var     factory = SM2CryptoServiceProvider.Instance;
                ECPoint userKey = factory.ecc_curve.DecodePoint(formatedPubKey);

                SM3Digest sm3Digest = new SM3Digest();
                byte[]    z         = factory.Sm2GetZ(USER_ID.GetBytes(), userKey);
                //System.out.println("SM3摘要Z: " + Util.getHexString(z));
                verifyVo.setSm3_z(z.ToHexString());
                sm3Digest.update(z, 0, z.Length);
                sm3Digest.update(sourceData, 0, sourceData.Length);
                byte[] md = new byte[32];
                sm3Digest.doFinal(md, 0);

                //System.out.println("SM3摘要值: " + Util.getHexString(md));
                verifyVo.setSm3_digest(md.ToHexString());
                var       bis       = new MemoryStream(signData);
                var       dis       = new Asn1InputStream(bis);
                SM2Result sm2Result = null;
                var       derObj    = dis.ReadObject();
                var       e         = ((Asn1Sequence)derObj).GetEnumerator();
                e.MoveNext();
                BigInteger r = ((DerInteger)e.Current).Value;
                e.MoveNext();
                BigInteger s = ((DerInteger)e.Current).Value;

                sm2Result   = new SM2Result();
                sm2Result.r = r;
                sm2Result.s = s;
                //System.out.println("vr: " + sm2Result.r.toString(16));
                //System.out.println("vs: " + sm2Result.s.toString(16));
                verifyVo.setVerify_r(sm2Result.r.ToByteArray().ToHexString());
                verifyVo.setVerify_s(sm2Result.s.ToByteArray().ToHexString());
                factory.sm2Verify(md, userKey, sm2Result.r, sm2Result.s, sm2Result);
                var verifyFlag = sm2Result.r.Equals(sm2Result.R);
                verifyVo.setVerify(verifyFlag);
                return(verifyVo);
            }
            catch (ArgumentException e)
            {
                //throw e;
                return(null);
            }
            catch (Exception e)
            {
                //throw e;
                //e.printStackTrace();
                return(null);
            }
        }
Ejemplo n.º 6
0
        public virtual byte[] Sm2GetZ(byte[] userId, ECPoint userKey)
        {
            //SM3Digest sm3 = new SM3Digest();
            //byte[] p;
            //// userId Length
            //int len = userId.Length * 8;
            //sm3.Update((byte)(len >> 8 & 0x00ff));
            //sm3.Update((byte)(len & 0x00ff));

            //// userId
            //sm3.BlockUpdate(userId, 0, userId.Length);

            //// a,b
            //p = ecc_a.ToByteArray();
            //sm3.BlockUpdate(p, 0, p.Length);
            //p = ecc_b.ToByteArray();
            //sm3.BlockUpdate(p, 0, p.Length);
            //// gx,gy
            //p = ecc_gx.ToByteArray();
            //sm3.BlockUpdate(p, 0, p.Length);
            //p = ecc_gy.ToByteArray();
            //sm3.BlockUpdate(p, 0, p.Length);

            //// x,y
            //p = userKey.XCoord.ToBigInteger().ToByteArray();
            //sm3.BlockUpdate(p, 0, p.Length);
            //p = userKey.YCoord.ToBigInteger().ToByteArray();
            //sm3.BlockUpdate(p, 0, p.Length);

            //// Z
            //byte[] md = new byte[sm3.GetDigestSize()];
            //sm3.DoFinal(md, 0);

            //  return md;

            SM3Digest sm3 = new SM3Digest();

            int len = userId.Length * 8;

            sm3.update((byte)(len >> 8 & 0xFF));
            sm3.update((byte)(len & 0xFF));
            sm3.update(userId, 0, userId.Length);

            byte[] p = byteConvert32Bytes(this.ecc_a);
            sm3.update(p, 0, p.Length);

            p = byteConvert32Bytes(this.ecc_b);
            sm3.update(p, 0, p.Length);

            p = byteConvert32Bytes(this.ecc_gx);
            sm3.update(p, 0, p.Length);

            p = byteConvert32Bytes(this.ecc_gy);
            sm3.update(p, 0, p.Length);

            p = byteConvert32Bytes(userKey.Normalize().XCoord.ToBigInteger());
            sm3.update(p, 0, p.Length);

            p = byteConvert32Bytes(userKey.Normalize().YCoord.ToBigInteger());
            sm3.update(p, 0, p.Length);

            byte[] md = new byte[sm3.getDigestSize()];
            sm3.doFinal(md, 0);
            return(md);
        }