GetDigestSize() public method

public GetDigestSize ( ) : int
return int
コード例 #1
0
        public ITestResult Perform()
        {
            IDigest  digest = new MD4Digest();
            byte[]  resBuf = new byte[digest.GetDigestSize()];
            string  resStr;

            //
            // test 1
            //
            digest.DoFinal(resBuf, 0);

            resStr = Hex.ToHexString(resBuf);
            if (!resVec1.Equals(resStr))
            {
                return new SimpleTestResult(false,
                    "MD4 failing standard vector test 1"
                    + SimpleTest.NewLine
                    + "    expected: " + resVec1
                    + SimpleTest.NewLine
                    + "    got     : " + resStr);
            }

            //
            // test 2
            //
            byte[]  bytes = Hex.Decode(testVec2);

            digest.BlockUpdate(bytes, 0, bytes.Length);

            digest.DoFinal(resBuf, 0);

            resStr = Hex.ToHexString(resBuf);
            if (!resVec2.Equals(resStr))
            {
                return new SimpleTestResult(false,
                    "MD4 failing standard vector test 2"
                    + SimpleTest.NewLine
                    + "    expected: " + resVec2
                    + SimpleTest.NewLine
                    + "    got     : " + resStr);
            }

            //
            // test 3
            //
            bytes = Hex.Decode(testVec3);

            digest.BlockUpdate(bytes, 0, bytes.Length);

            digest.DoFinal(resBuf, 0);

            resStr = Hex.ToHexString(resBuf);
            if (!resVec3.Equals(resStr))
            {
                return new SimpleTestResult(false,
                    "MD4 failing standard vector test 3"
                    + SimpleTest.NewLine
                    + "    expected: " + resVec3
                    + SimpleTest.NewLine
                    + "    got     : " + resStr);
            }

            //
            // test 4
            //
            bytes = Hex.Decode(testVec4);

            digest.BlockUpdate(bytes, 0, bytes.Length);

            digest.DoFinal(resBuf, 0);

            resStr = Hex.ToHexString(resBuf);
            if (!resVec4.Equals(resStr))
            {
                return new SimpleTestResult(false,
                    "MD4 failing standard vector test 4"
                    + SimpleTest.NewLine
                    + "    expected: " + resVec4
                    + SimpleTest.NewLine
                    + "    got     : " + resStr);
            }

            //
            // test 5
            //
            bytes = Hex.Decode(testVec4);

            digest.BlockUpdate(bytes, 0, bytes.Length/2);

            // clone the IDigest
            IDigest d = new MD4Digest((MD4Digest)digest);

            digest.BlockUpdate(bytes, bytes.Length/2, bytes.Length - bytes.Length/2);
            digest.DoFinal(resBuf, 0);

            resStr = Hex.ToHexString(resBuf);
            if (!resVec4.Equals(resStr))
            {
                return new SimpleTestResult(false,
                    "MD4 failing standard vector test 5"
                    + SimpleTest.NewLine
                    + "    expected: " + resVec4
                    + SimpleTest.NewLine
                    + "    got     : " + resStr);
            }

            d.BlockUpdate(bytes, bytes.Length/2, bytes.Length - bytes.Length/2);
            d.DoFinal(resBuf, 0);

            resStr = Hex.ToHexString(resBuf);
            if (!resVec4.Equals(resStr))
            {
                return new SimpleTestResult(false,
                    "MD4 failing standard vector test 5"
                    + SimpleTest.NewLine
                    + "    expected: " + resVec4
                    + SimpleTest.NewLine
                    + "    got     : " + resStr);
            }
            return new SimpleTestResult(true, Name + ": Okay");
        }
コード例 #2
0
ファイル: PasswordHashMethod.cs プロジェクト: hellyhe/pgina
        public override string hash(string pw)
        {
            MD4Digest digest = new MD4Digest();

            // We want Unicode here (UTF-16)
            byte[] password = Encoding.Unicode.GetBytes(pw);

            digest.BlockUpdate(password, 0, password.Length);
            int digestSize = digest.GetDigestSize();
            byte[] hashData = new byte[digestSize];
            digest.DoFinal(hashData, 0);

            // Convert to HEX and return
            return string.Concat(hashData.Select(b => b.ToString("X2")));
        }