private KdfParameters GetKdfParameters(bool bShowAdjustments) { KdfEngine kdf = GetKdf(); if (kdf == null) { Debug.Assert(false); return(null); } string strAdj = string.Empty; KdfParameters pKdf = kdf.GetDefaultParameters(); if (kdf is AesKdf) { pKdf.SetUInt64(AesKdf.ParamRounds, (ulong)m_numKdfIt.Value); } else if (kdf is Argon2Kdf) { ulong uIt = (ulong)m_numKdfIt.Value; AdjustKdfParam <ulong>(ref uIt, ">=", Argon2Kdf.MinIterations, KPRes.Iterations, ref strAdj); AdjustKdfParam <ulong>(ref uIt, "<=", Argon2Kdf.MaxIterations, KPRes.Iterations, ref strAdj); pKdf.SetUInt64(Argon2Kdf.ParamIterations, uIt); // Adjust parallelism first, as memory depends on it uint uPar = (uint)m_numKdfPar.Value; AdjustKdfParam <uint>(ref uPar, ">=", Argon2Kdf.MinParallelism, KPRes.Parallelism, ref strAdj); uint uParMax = Argon2Kdf.MaxParallelism; int cp = Environment.ProcessorCount; if ((cp > 0) && (cp <= (int.MaxValue / 2))) { uParMax = Math.Min(uParMax, (uint)(cp * 2)); } AdjustKdfParam <uint>(ref uPar, "<=", uParMax, KPRes.Parallelism, ref strAdj); pKdf.SetUInt32(Argon2Kdf.ParamParallelism, uPar); ulong uMem = (ulong)m_numKdfMem.Value; int iMemUnit = m_cmbKdfMem.SelectedIndex; while (iMemUnit > 0) { if (uMem > (ulong.MaxValue / 1024UL)) { uMem = ulong.MaxValue; break; } uMem *= 1024UL; --iMemUnit; } // 8*p blocks = 1024*8*p bytes minimum memory, see spec Debug.Assert(Argon2Kdf.MinMemory == (1024UL * 8UL)); ulong uMemMin = Argon2Kdf.MinMemory * uPar; AdjustKdfParam <ulong>(ref uMem, ">=", uMemMin, KPRes.Memory, ref strAdj); AdjustKdfParam <ulong>(ref uMem, "<=", Argon2Kdf.MaxMemory, KPRes.Memory, ref strAdj); pKdf.SetUInt64(Argon2Kdf.ParamMemory, uMem); } else { return(null); // Plugins may handle it } if (bShowAdjustments && (strAdj.Length > 0)) { strAdj = KPRes.KdfAdjust + MessageService.NewParagraph + strAdj; MessageService.ShowInfo(strAdj); } return(pKdf); }
private static void TestArgon2() { #if DEBUG Argon2Kdf kdf = new Argon2Kdf(); // ====================================================== // From the official Argon2 1.3 reference code package // (test vector for Argon2d 1.3); also on // https://tools.ietf.org/html/draft-irtf-cfrg-argon2-00 KdfParameters p = kdf.GetDefaultParameters(); kdf.Randomize(p); Debug.Assert(p.GetUInt32(Argon2Kdf.ParamVersion, 0) == 0x13U); byte[] pbMsg = new byte[32]; for (int i = 0; i < pbMsg.Length; ++i) { pbMsg[i] = 1; } p.SetUInt64(Argon2Kdf.ParamMemory, 32 * 1024); p.SetUInt64(Argon2Kdf.ParamIterations, 3); p.SetUInt32(Argon2Kdf.ParamParallelism, 4); byte[] pbSalt = new byte[16]; for (int i = 0; i < pbSalt.Length; ++i) { pbSalt[i] = 2; } p.SetByteArray(Argon2Kdf.ParamSalt, pbSalt); byte[] pbKey = new byte[8]; for (int i = 0; i < pbKey.Length; ++i) { pbKey[i] = 3; } p.SetByteArray(Argon2Kdf.ParamSecretKey, pbKey); byte[] pbAssoc = new byte[12]; for (int i = 0; i < pbAssoc.Length; ++i) { pbAssoc[i] = 4; } p.SetByteArray(Argon2Kdf.ParamAssocData, pbAssoc); byte[] pbExpc = new byte[32] { 0x51, 0x2B, 0x39, 0x1B, 0x6F, 0x11, 0x62, 0x97, 0x53, 0x71, 0xD3, 0x09, 0x19, 0x73, 0x42, 0x94, 0xF8, 0x68, 0xE3, 0xBE, 0x39, 0x84, 0xF3, 0xC1, 0xA1, 0x3A, 0x4D, 0xB9, 0xFA, 0xBE, 0x4A, 0xCB }; byte[] pb = kdf.Transform(pbMsg, p); if (!MemUtil.ArraysEqual(pb, pbExpc)) { throw new SecurityException("Argon2-1"); } // ====================================================== // From the official Argon2 1.3 reference code package // (test vector for Argon2d 1.0) p.SetUInt32(Argon2Kdf.ParamVersion, 0x10); pbExpc = new byte[32] { 0x96, 0xA9, 0xD4, 0xE5, 0xA1, 0x73, 0x40, 0x92, 0xC8, 0x5E, 0x29, 0xF4, 0x10, 0xA4, 0x59, 0x14, 0xA5, 0xDD, 0x1F, 0x5C, 0xBF, 0x08, 0xB2, 0x67, 0x0D, 0xA6, 0x8A, 0x02, 0x85, 0xAB, 0xF3, 0x2B }; pb = kdf.Transform(pbMsg, p); if (!MemUtil.ArraysEqual(pb, pbExpc)) { throw new SecurityException("Argon2-2"); } // ====================================================== // From the official 'phc-winner-argon2-20151206.zip' // (test vector for Argon2d 1.0) p.SetUInt64(Argon2Kdf.ParamMemory, 16 * 1024); pbExpc = new byte[32] { 0x57, 0xB0, 0x61, 0x3B, 0xFD, 0xD4, 0x13, 0x1A, 0x0C, 0x34, 0x88, 0x34, 0xC6, 0x72, 0x9C, 0x2C, 0x72, 0x29, 0x92, 0x1E, 0x6B, 0xBA, 0x37, 0x66, 0x5D, 0x97, 0x8C, 0x4F, 0xE7, 0x17, 0x5E, 0xD2 }; pb = kdf.Transform(pbMsg, p); if (!MemUtil.ArraysEqual(pb, pbExpc)) { throw new SecurityException("Argon2-3"); } #if SELFTEST_ARGON2_LONG // ====================================================== // Computed using the official 'argon2' application // (test vectors for Argon2d 1.3) p = kdf.GetDefaultParameters(); pbMsg = StrUtil.Utf8.GetBytes("ABC1234"); p.SetUInt64(Argon2Kdf.ParamMemory, (1 << 11) * 1024); // 2 MB p.SetUInt64(Argon2Kdf.ParamIterations, 2); p.SetUInt32(Argon2Kdf.ParamParallelism, 2); pbSalt = StrUtil.Utf8.GetBytes("somesalt"); p.SetByteArray(Argon2Kdf.ParamSalt, pbSalt); pbExpc = new byte[32] { 0x29, 0xCB, 0xD3, 0xA1, 0x93, 0x76, 0xF7, 0xA2, 0xFC, 0xDF, 0xB0, 0x68, 0xAC, 0x0B, 0x99, 0xBA, 0x40, 0xAC, 0x09, 0x01, 0x73, 0x42, 0xCE, 0xF1, 0x29, 0xCC, 0xA1, 0x4F, 0xE1, 0xC1, 0xB7, 0xA3 }; pb = kdf.Transform(pbMsg, p); if (!MemUtil.ArraysEqual(pb, pbExpc)) { throw new SecurityException("Argon2-4"); } p.SetUInt64(Argon2Kdf.ParamMemory, (1 << 10) * 1024); // 1 MB p.SetUInt64(Argon2Kdf.ParamIterations, 3); pbExpc = new byte[32] { 0x7A, 0xBE, 0x1C, 0x1C, 0x8D, 0x7F, 0xD6, 0xDC, 0x7C, 0x94, 0x06, 0x3E, 0xD8, 0xBC, 0xD8, 0x1C, 0x2F, 0x87, 0x84, 0x99, 0x12, 0x83, 0xFE, 0x76, 0x00, 0x64, 0xC4, 0x58, 0xA4, 0xDA, 0x35, 0x70 }; pb = kdf.Transform(pbMsg, p); if (!MemUtil.ArraysEqual(pb, pbExpc)) { throw new SecurityException("Argon2-5"); } #if SELFTEST_ARGON2_LONGER p.SetUInt64(Argon2Kdf.ParamMemory, (1 << 20) * 1024); // 1 GB p.SetUInt64(Argon2Kdf.ParamIterations, 2); p.SetUInt32(Argon2Kdf.ParamParallelism, 3); pbExpc = new byte[32] { 0xE6, 0xE7, 0xCB, 0xF5, 0x5A, 0x06, 0x93, 0x05, 0x32, 0xBA, 0x86, 0xC6, 0x1F, 0x45, 0x17, 0x99, 0x65, 0x41, 0x77, 0xF9, 0x30, 0x55, 0x9A, 0xE8, 0x3D, 0x21, 0x48, 0xC6, 0x2D, 0x0C, 0x49, 0x11 }; pb = kdf.Transform(pbMsg, p); if (!MemUtil.ArraysEqual(pb, pbExpc)) { throw new SecurityException("Argon2-6"); } #endif // SELFTEST_ARGON2_LONGER #endif // SELFTEST_ARGON2_LONG #endif // DEBUG }