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|
//
// PasswordDeriveTest.cs - NUnit Test Cases for PasswordDerive
//
// Author:
// Sebastien Pouliot (sebastien@ximian.com)
//
// (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
// Copyright (C) 2004,2007 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using NUnit.Framework;
using System;
using System.Security.Cryptography;
namespace MonoTests.System.Security.Cryptography {
// References:
// a. PKCS#5: Password-Based Cryptography Standard
// http://www.rsasecurity.com/rsalabs/pkcs/pkcs-5/index.html
[TestFixture]
public class PasswordDeriveBytesTest {
static byte[] salt = { 0xDE, 0xAD, 0xC0, 0xDE };
static string ssalt = "DE-AD-C0-DE";
// Constructors
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void Ctor_PasswordNullSalt ()
{
string pwd = null;
PasswordDeriveBytes pdb = new PasswordDeriveBytes (pwd, salt);
}
[Test]
public void Ctor_PasswordSaltNull ()
{
PasswordDeriveBytes pdb = new PasswordDeriveBytes ("s3kr3t", null);
Assert.AreEqual ("SHA1", pdb.HashName, "HashName");
Assert.AreEqual (100, pdb.IterationCount, "IterationCount");
Assert.IsNull (pdb.Salt, "Salt");
}
[Test]
public void Ctor_PasswordSalt ()
{
PasswordDeriveBytes pdb = new PasswordDeriveBytes ("s3kr3t", salt);
Assert.AreEqual ("SHA1", pdb.HashName, "HashName");
Assert.AreEqual (100, pdb.IterationCount, "IterationCount");
Assert.AreEqual (ssalt, BitConverter.ToString (pdb.Salt), "Salt");
}
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void Ctor_PasswordNullSaltCspParameters ()
{
string pwd = null;
PasswordDeriveBytes pdb = new PasswordDeriveBytes (pwd, salt, new CspParameters ());
}
#if !NET_2_1
[Test]
[Category ("NotWorking")] // CspParameters aren't supported by Mono (requires CryptoAPI)
public void Ctor_PasswordSaltNullCspParameters ()
{
PasswordDeriveBytes pdb = new PasswordDeriveBytes ("s3kr3t", null, new CspParameters ());
Assert.AreEqual ("SHA1", pdb.HashName, "HashName");
Assert.AreEqual (100, pdb.IterationCount, "IterationCount");
Assert.IsNull (pdb.Salt, "Salt");
}
#endif
[Test]
public void Ctor_PasswordSaltCspParametersNull ()
{
PasswordDeriveBytes pdb = new PasswordDeriveBytes ("s3kr3t", salt, null);
Assert.AreEqual ("SHA1", pdb.HashName, "HashName");
Assert.AreEqual (100, pdb.IterationCount, "IterationCount");
Assert.AreEqual (ssalt, BitConverter.ToString (pdb.Salt), "Salt");
}
#if !NET_2_1
[Test]
[Category ("NotWorking")] // CspParameters aren't supported by Mono (requires CryptoAPI)
public void Ctor_PasswordSaltCspParameters ()
{
PasswordDeriveBytes pdb = new PasswordDeriveBytes ("s3kr3t", salt, new CspParameters ());
Assert.AreEqual ("SHA1", pdb.HashName, "HashName");
Assert.AreEqual (100, pdb.IterationCount, "IterationCount");
Assert.AreEqual (ssalt, BitConverter.ToString (pdb.Salt), "Salt");
}
#endif
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void Ctor_PasswordNullSaltHashIteration ()
{
string pwd = null;
PasswordDeriveBytes pdb = new PasswordDeriveBytes (pwd, salt, "SHA1", 1);
}
[Test]
public void Ctor_PasswordSaltNullHashIteration ()
{
PasswordDeriveBytes pdb = new PasswordDeriveBytes ("s3kr3t", null, "SHA1", 1);
Assert.AreEqual ("SHA1", pdb.HashName, "HashName");
Assert.AreEqual (1, pdb.IterationCount, "IterationCount");
Assert.IsNull (pdb.Salt, "Salt");
}
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void Ctor_PasswordSaltHashNullIteration ()
{
PasswordDeriveBytes pdb = new PasswordDeriveBytes ("s3kr3t", salt, null, 1);
}
[Test]
[ExpectedException (typeof (ArgumentOutOfRangeException))]
public void Ctor_PasswordSaltHashIterationNegative ()
{
PasswordDeriveBytes pdb = new PasswordDeriveBytes ("s3kr3t", salt, "SHA1", -1);
}
[Test]
[ExpectedException (typeof (ArgumentOutOfRangeException))]
public void Ctor_PasswordSaltHashIterationZero ()
{
PasswordDeriveBytes pdb = new PasswordDeriveBytes ("s3kr3t", salt, "SHA1", 0);
}
[Test]
public void Ctor_PasswordSaltHashIterationMaxValue ()
{
PasswordDeriveBytes pdb = new PasswordDeriveBytes ("s3kr3t", salt, "SHA1", Int32.MaxValue);
Assert.AreEqual ("SHA1", pdb.HashName, "HashName");
Assert.AreEqual (Int32.MaxValue, pdb.IterationCount, "IterationCount");
Assert.AreEqual (ssalt, BitConverter.ToString (pdb.Salt), "Salt");
}
[Test]
public void Ctor_PasswordSaltHashIteration ()
{
PasswordDeriveBytes pdb = new PasswordDeriveBytes ("s3kr3t", salt, "SHA1", 1);
Assert.AreEqual ("SHA1", pdb.HashName, "HashName");
Assert.AreEqual (1, pdb.IterationCount, "IterationCount");
Assert.AreEqual (ssalt, BitConverter.ToString (pdb.Salt), "Salt");
}
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void Ctor_PasswordNullSaltHashIterationCspParameters ()
{
string pwd = null;
PasswordDeriveBytes pdb = new PasswordDeriveBytes (pwd, salt, "SHA1", 1, new CspParameters ());
}
#if !NET_2_1
[Test]
[Category ("NotWorking")] // CspParameters aren't supported by Mono (requires CryptoAPI)
public void Ctor_PasswordSaltNullHashIterationCspParameters ()
{
PasswordDeriveBytes pdb = new PasswordDeriveBytes ("s3kr3t", null, "SHA1", 1, new CspParameters ());
Assert.AreEqual ("SHA1", pdb.HashName, "HashName");
Assert.AreEqual (1, pdb.IterationCount, "IterationCount");
Assert.IsNull (pdb.Salt, "Salt");
}
#endif
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void Ctor_PasswordSaltHashNullIterationCspParameters ()
{
PasswordDeriveBytes pdb = new PasswordDeriveBytes ("s3kr3t", salt, null, 1, new CspParameters ());
}
[Test]
[ExpectedException (typeof (ArgumentOutOfRangeException))]
public void Ctor_PasswordSaltHashIterationNegativeCspParameters ()
{
PasswordDeriveBytes pdb = new PasswordDeriveBytes ("s3kr3t", salt, "SHA1", -1, new CspParameters ());
}
[Test]
[ExpectedException (typeof (ArgumentOutOfRangeException))]
public void Ctor_PasswordSaltHashIterationZeroCspParameters ()
{
PasswordDeriveBytes pdb = new PasswordDeriveBytes ("s3kr3t", salt, "SHA1", 0, new CspParameters ());
}
#if !NET_2_1
[Test]
[Category ("NotWorking")] // CspParameters aren't supported by Mono (requires CryptoAPI)
public void Ctor_PasswordSaltHashIterationMaxValueCspParameters ()
{
PasswordDeriveBytes pdb = new PasswordDeriveBytes ("s3kr3t", salt, "SHA1", Int32.MaxValue, new CspParameters ());
Assert.AreEqual ("SHA1", pdb.HashName, "HashName");
Assert.AreEqual (Int32.MaxValue, pdb.IterationCount, "IterationCount");
Assert.AreEqual (ssalt, BitConverter.ToString (pdb.Salt), "Salt");
}
#endif
[Test]
public void Ctor_PasswordSaltHashIterationCspParametersNull ()
{
PasswordDeriveBytes pdb = new PasswordDeriveBytes ("s3kr3t", salt, "SHA1", 1, null);
Assert.AreEqual ("SHA1", pdb.HashName, "HashName");
Assert.AreEqual (1, pdb.IterationCount, "IterationCount");
Assert.AreEqual (ssalt, BitConverter.ToString (pdb.Salt), "Salt");
}
#if !NET_2_1
[Test]
[Category ("NotWorking")] // CspParameters aren't supported by Mono (requires CryptoAPI)
public void Ctor_PasswordSaltHashIterationCspParameters ()
{
PasswordDeriveBytes pdb = new PasswordDeriveBytes ("s3kr3t", salt, "SHA1", 1, new CspParameters ());
Assert.AreEqual ("SHA1", pdb.HashName, "HashName");
Assert.AreEqual (1, pdb.IterationCount, "IterationCount");
Assert.AreEqual (ssalt, BitConverter.ToString (pdb.Salt), "Salt");
}
#endif
// Properties
[Test]
[ExpectedException (typeof (ArgumentNullException))]
public void Property_HashName_Null ()
{
PasswordDeriveBytes pdb = new PasswordDeriveBytes ("s3kr3t", salt, "SHA1", 1);
Assert.AreEqual ("SHA1", pdb.HashName, "HashName");
pdb.HashName = null;
}
[Test]
public void Property_Salt ()
{
PasswordDeriveBytes pdb = new PasswordDeriveBytes ("s3kr3t", salt);
Assert.AreEqual (ssalt, BitConverter.ToString (pdb.Salt), "Salt");
pdb.Salt = null;
Assert.IsNull (pdb.Salt, "Salt");
}
[Test]
public void Property_Salt_Modify ()
{
PasswordDeriveBytes pdb = new PasswordDeriveBytes ("s3kr3t", salt);
Assert.AreEqual (ssalt, BitConverter.ToString (pdb.Salt), "Salt");
pdb.Salt [0] = 0xFF;
// modification rejected (the property returned a copy of the salt)
Assert.AreEqual (ssalt, BitConverter.ToString (pdb.Salt), "Salt");
}
// 1.0/1.1 compatibility
// Old tests
static int ToInt32LE(byte [] bytes, int offset)
{
return (bytes[offset + 3] << 24) | (bytes[offset + 2] << 16) | (bytes[offset + 1] << 8) | bytes[offset];
}
// generate the key up to HashSize and reset between operations
public void ShortRun(string msg, PasswordDeriveBytes pd, byte[] finalKey)
{
for (int i=0; i < finalKey.Length; i++) {
int j = 0;
bool compare = true;
byte[] key = pd.GetBytes (i+1);
for (; j < i; j++) {
if (finalKey [j] != key[j]) {
compare = false;
break;
}
}
Assert.IsTrue (compare, msg + " #" + j);
pd.Reset ();
}
}
// generate a key at least 1000 bytes and don't reset between operations
public void LongRun(string msg, PasswordDeriveBytes pd, byte[] finalKey)
{
int bloc = finalKey.Length;
int iter = (int) ((1000 + bloc - 1) / bloc);
byte[] pass = null;
for (int i=0; i < iter; i++) {
pass = pd.GetBytes (bloc);
}
Assert.AreEqual (pass, finalKey, msg);
}
public void Run (string password, byte[] salt, string hashname, int iterations, int getbytes, int lastFourBytes)
{
PasswordDeriveBytes pd = new PasswordDeriveBytes (password, salt, hashname, iterations);
byte[] key = pd.GetBytes (getbytes);
string msg = "[pwd=" + password;
msg += ", salt=" + ((salt == null) ? "null" : salt.Length.ToString ());
msg += ", hash=" + hashname;
msg += ", iter=" + iterations;
msg += ", get=" + getbytes + "]";
Assert.AreEqual (lastFourBytes, ToInt32LE (key, key.Length - 4), msg);
}
[Test]
[ExpectedException (typeof (IndexOutOfRangeException))]
public void TooShort ()
{
PasswordDeriveBytes pd = new PasswordDeriveBytes ("password", null, "SHA1", 1);
byte[] key = pd.GetBytes (0);
}
public void TooLong (string hashName, int size, int lastFourBytes)
{
PasswordDeriveBytes pd = new PasswordDeriveBytes ("toolong", null, hashName, 1);
// this should work (we check the last four devired bytes to be sure)
byte[] key = pd.GetBytes (size);
Assert.AreEqual (lastFourBytes, ToInt32LE (key, size - 4), "Last 4 bytes");
// but we can't get another byte from it!
try {
key = pd.GetBytes (1);
Assert.Fail ("Expected CryptographicException but got none");
}
catch (CryptographicException) {
// LAMESPEC: no limit is documented
}
catch (Exception e) {
Assert.Fail ("Expected CryptographicException but got " + e.ToString ());
}
}
[Test]
public void TooLong ()
{
// 1000 times hash length is the maximum
TooLong ("MD5", 16000, 1135777886);
TooLong ("SHA1", 20000, -1167918035);
TooLong ("SHA256", 32000, -358766048);
TooLong ("SHA384", 48000, 1426370534);
TooLong ("SHA512", 64000, -1763233543);
}
[Test]
public void OneIteration ()
{
// (1) size of hash, (2) size of 2 hash
Run ("password", salt, "MD5", 1, 16, 986357363);
Run ("monomono", null, "MD5", 1, 32, -1092059875);
Run ("password", salt, "SHA1", 1, 20, -1251929751);
Run ("monomono", null, "SHA1", 1, 40, -1148594972);
Run ("password", salt, "SHA256", 1, 32, -1106908309);
Run ("monomono", null, "SHA256", 1, 64, 1243724695);
Run ("password", salt, "SHA384", 1, 48, 1338639872);
Run ("monomono", null, "SHA384", 1, 96, -1974067932);
Run ("password", salt, "SHA512", 1, 64, 998927776);
Run ("monomono", null, "SHA512", 1, 128, -1082987985);
}
[Test]
public void Salt ()
{
Run ("password", salt, "MD5", 10, 10, -1174247292);
Run ("monomono", salt, "SHA1", 20, 20, 622814236);
Run ("password", salt, "MD5", 30, 30, 1491759020);
Run ("monomono", salt, "SHA1", 40, 40, 1186751819);
Run ("password", salt, "MD5", 50, 50, -1416348895);
Run ("monomono", salt, "SHA1", 60, 60, -1167799882);
Run ("password", salt, "MD5", 70, 70, -695745351);
Run ("monomono", salt, "SHA1", 80, 80, 598766793);
Run ("password", salt, "MD5", 90, 90, -906351079);
Run ("monomono", salt, "SHA1", 100, 100, 1247157997);
}
[Test]
public void NoSalt ()
{
Run ("password", null, "MD5", 10, 10, -385488886);
Run ("password", null, "SHA1", 20, 20, -385953596);
Run ("password", null, "MD5", 30, 30, -669295228);
Run ("password", null, "SHA1", 40, 40, -1921654064);
Run ("password", null, "MD5", 50, 50, -1664099354);
Run ("monomono", null, "SHA1", 60, 60, -1988511363);
Run ("monomono", null, "MD5", 70, 70, -1326415479);
Run ("monomono", null, "SHA1", 80, 80, 158880373);
Run ("monomono", null, "MD5", 90, 90, 532527918);
Run ("monomono", null, "SHA1", 100, 100, 769250758);
}
[Test]
public void MD5 ()
{
const string hashName = "MD5";
// getbytes less than hash size
Run ("password", null, hashName, 10, 10, -385488886);
// getbytes equal to hash size
Run ("password", salt, hashName, 20, 16, -470982134);
// getbytes more than hash size
Run ("password", null, hashName, 30, 30, -669295228);
Run ("password", salt, hashName, 40, 40, 892279589);
Run ("password", null, hashName, 50, 50, -1664099354);
Run ("monomono", salt, hashName, 60, 60, -2050574033);
Run ("monomono", null, hashName, 70, 70, -1326415479);
Run ("monomono", salt, hashName, 80, 80, 2047895994);
Run ("monomono", null, hashName, 90, 90, 532527918);
Run ("monomono", salt, hashName, 100, 100, 1522243696);
}
[Test]
public void SHA1 ()
{
const string hashName = "SHA1";
// getbytes less than hash size
Run ("password", null, hashName, 10, 10, -852142057);
// getbytes equal to hash size
Run ("password", salt, hashName, 20, 20, -1096621819);
// getbytes more than hash size
Run ("password", null, hashName, 30, 30, 1748347042);
Run ("password", salt, hashName, 40, 40, 900690664);
Run ("password", null, hashName, 50, 50, 2125027038);
Run ("monomono", salt, hashName, 60, 60, -1167799882);
Run ("monomono", null, hashName, 70, 70, -1967623713);
Run ("monomono", salt, hashName, 80, 80, 598766793);
Run ("monomono", null, hashName, 90, 90, -1754629926);
Run ("monomono", salt, hashName, 100, 100, 1247157997);
}
[Test]
public void SHA256 ()
{
const string hashName = "SHA256";
// getbytes less than hash size
Run ("password", null, hashName, 10, 10, -1636557322);
Run ("password", salt, hashName, 20, 20, -1403130075);
// getbytes equal to hash size
Run ("password", null, hashName, 30, 32, -1013167039);
// getbytes more than hash size
Run ("password", salt, hashName, 40, 40, 379553148);
Run ("password", null, hashName, 50, 50, 1031928292);
Run ("monomono", salt, hashName, 60, 60, 1933836953);
Run ("monomono", null, hashName, 70, 70, -956782587);
Run ("monomono", salt, hashName, 80, 80, 1239391711);
Run ("monomono", null, hashName, 90, 90, -872090432);
Run ("monomono", salt, hashName, 100, 100, -591569127);
}
[Test]
public void SHA384 ()
{
const string hashName = "SHA384";
// getbytes less than hash size
Run ("password", null, hashName, 10, 10, 323393534);
Run ("password", salt, hashName, 20, 20, -2034683704);
Run ("password", null, hashName, 30, 32, 167978389);
Run ("password", salt, hashName, 40, 40, 2123410525);
// getbytes equal to hash size
Run ("password", null, hashName, 50, 48, -47538843);
// getbytes more than hash size
Run ("monomono", salt, hashName, 60, 60, -118610774);
Run ("monomono", null, hashName, 70, 70, 772360425);
Run ("monomono", salt, hashName, 80, 80, -1018881215);
Run ("monomono", null, hashName, 90, 90, -1585583772);
Run ("monomono", salt, hashName, 100, 100, -821501990);
}
[Test]
public void SHA512 ()
{
const string hashName = "SHA512";
// getbytes less than hash size
Run ("password", null, hashName, 10, 10, 708870265);
Run ("password", salt, hashName, 20, 20, 23889227);
Run ("password", null, hashName, 30, 32, 1718904507);
Run ("password", salt, hashName, 40, 40, 979228711);
Run ("password", null, hashName, 50, 48, 1554003653);
// getbytes equal to hash size
Run ("monomono", salt, hashName, 60, 64, 1251099126);
// getbytes more than hash size
Run ("monomono", null, hashName, 70, 70, 1021441810);
Run ("monomono", salt, hashName, 80, 80, 640059310);
Run ("monomono", null, hashName, 90, 90, 1178147201);
Run ("monomono", salt, hashName, 100, 100, 206423887);
}
// get one block after the other
[Test]
public void OneByOne ()
{
byte[] key = { 0x91, 0xDA, 0xF9, 0x9D, 0x7C, 0xA9, 0xB4, 0x42, 0xB8, 0xD9, 0x45, 0xAB, 0x69, 0xEE, 0x12, 0xBC, 0x48, 0xDD, 0x38, 0x74 };
PasswordDeriveBytes pd = new PasswordDeriveBytes ("password", salt, "SHA1", 1);
string msg = "PKCS#5-Long password salt SHA1 (1)";
int bloc = key.Length;
int iter = (int) ((1000 + bloc - 1) / bloc);
byte[] pass = null;
for (int i=0; i < iter; i++) {
pass = pd.GetBytes (bloc);
}
Assert.AreEqual (pass, key, msg);
}
[Test]
public void SHA1SaltShortRun ()
{
byte[] key = { 0x0B, 0x61, 0x93, 0x96, 0x3A, 0xFF, 0x0D, 0xFC, 0xF6, 0x3D, 0xA3, 0xDB, 0x34, 0xC2, 0x99, 0x71, 0x69, 0x11, 0x61, 0xB5 };
PasswordDeriveBytes pd = new PasswordDeriveBytes ("password", salt, "SHA1", 1);
string msg = "PKCS#5 password salt SHA1 (1)";
ShortRun (msg, pd, key);
}
[Test]
public void SHA1SaltLongRun ()
{
byte[] key = { 0x91, 0xDA, 0xF9, 0x9D, 0x7C, 0xA9, 0xB4, 0x42, 0xB8, 0xD9, 0x45, 0xAB, 0x69, 0xEE, 0x12, 0xBC, 0x48, 0xDD, 0x38, 0x74 };
PasswordDeriveBytes pd = new PasswordDeriveBytes ("password", salt, "SHA1", 1);
string msg = "PKCS#5-Long password salt SHA1 (1)";
LongRun (msg, pd, key);
}
[Test]
public void SHA1NoSaltShortRun ()
{
byte[] key = { 0x74, 0x61, 0x03, 0x6C, 0xA1, 0xFE, 0x85, 0x3E, 0xD9, 0x3F, 0x03, 0x06, 0x58, 0x45, 0xDE, 0x36, 0x52, 0xEF, 0x4B, 0x68 };
PasswordDeriveBytes pd = new PasswordDeriveBytes ("mono", null, "SHA1", 10);
string msg = "PKCS#5 mono null SHA1 (10)";
ShortRun (msg, pd, key);
}
[Test]
public void SHA1NoSaltLongRun ()
{
byte[] key = { 0x3A, 0xF8, 0x33, 0x88, 0x39, 0x61, 0x29, 0x75, 0x5C, 0x17, 0xD2, 0x9E, 0x8A, 0x78, 0xEB, 0xBD, 0x89, 0x1E, 0x4C, 0x67 };
PasswordDeriveBytes pd = new PasswordDeriveBytes ("mono", null, "SHA1", 10);
string msg = "PKCS#5-Long mono null SHA1 (10)";
LongRun (msg, pd, key);
}
[Test]
public void MD5SaltShortRun ()
{
byte[] key = { 0xA5, 0x4D, 0x4E, 0xDD, 0x3A, 0x59, 0xAC, 0x98, 0x08, 0xDA, 0xE7, 0xF2, 0x85, 0x2F, 0x7F, 0xF2 };
PasswordDeriveBytes pd = new PasswordDeriveBytes ("mono", salt, "MD5", 100);
string msg = "PKCS#5 mono salt MD5 (100)";
ShortRun (msg, pd, key);
}
[Test]
public void MD5SaltLongRun ()
{
byte[] key = { 0x92, 0x51, 0x4D, 0x10, 0xE1, 0x5F, 0xA8, 0x44, 0xEF, 0xFC, 0x0F, 0x1F, 0x6F, 0x3E, 0x40, 0x36 };
PasswordDeriveBytes pd = new PasswordDeriveBytes ("mono", salt, "MD5", 100);
string msg = "PKCS#5-Long mono salt MD5 (100)";
LongRun (msg, pd, key);
}
[Test]
public void MD5NoSaltShortRun ()
{
byte[] key = { 0x39, 0xEB, 0x82, 0x84, 0xCF, 0x1A, 0x3B, 0x3C, 0xA1, 0xF2, 0x68, 0xAF, 0xBF, 0xAC, 0x41, 0xA6 };
PasswordDeriveBytes pd = new PasswordDeriveBytes ("password", null, "MD5", 1000);
string msg = "PKCS#5 password null MD5 (1000)";
ShortRun (msg, pd, key);
}
[Test]
public void MD5NoSaltLongRun ()
{
byte[] key = { 0x49, 0x3C, 0x00, 0x69, 0xB4, 0x55, 0x21, 0xA4, 0xC9, 0x69, 0x2E, 0xFF, 0xAA, 0xED, 0x4C, 0x72 };
PasswordDeriveBytes pd = new PasswordDeriveBytes ("password", null, "MD5", 1000);
string msg = "PKCS#5-Long password null MD5 (1000)";
LongRun (msg, pd, key);
}
[Test]
public void Properties ()
{
// create object...
PasswordDeriveBytes pd = new PasswordDeriveBytes ("password", null, "MD5", 1000);
Assert.AreEqual ("MD5", pd.HashName, "HashName-MD5");
Assert.AreEqual (1000, pd.IterationCount, "IterationCount-1000");
// ...then change all its properties...
pd.HashName = "SHA1";
Assert.AreEqual ("SHA1", pd.HashName, "HashName-SHA1");
pd.Salt = salt;
Assert.AreEqual (ssalt, BitConverter.ToString (pd.Salt), "Salt");
pd.IterationCount = 1;
Assert.AreEqual (1, pd.IterationCount, "IterationCount-1");
byte[] expectedKey = { 0x0b, 0x61, 0x93, 0x96 };
// ... before using it
Assert.AreEqual (expectedKey, pd.GetBytes (4), "PKCS#5 test properties");
// it should work but if we try to set any properties after GetBytes
// they should all throw an exception
try {
pd.HashName = "SHA256";
Assert.Fail ("PKCS#5 can't set HashName after GetBytes - expected CryptographicException but got none");
}
catch (CryptographicException) {
// do nothing, this is what we expect
}
catch (Exception e) {
Assert.Fail ("PKCS#5 can't set HashName after GetBytes - expected CryptographicException but got " + e.ToString ());
}
try {
pd.Salt = expectedKey;
Assert.Fail ("PKCS#5 can't set Salt after GetBytes - expected CryptographicException but got none");
}
catch (CryptographicException) {
// do nothing, this is what we expect
}
catch (Exception e) {
Assert.Fail ("PKCS#5 can't set Salt after GetBytes - expected CryptographicException but got " + e.ToString ());
}
try {
pd.IterationCount = 10;
Assert.Fail ("PKCS#5 can't set IterationCount after GetBytes - expected CryptographicException but got none");
}
catch (CryptographicException) {
// do nothing, this is what we expect
}
catch (Exception e) {
Assert.Fail ("PKCS#5 can't set IterationCount after GetBytes - expected CryptographicException but got " + e.ToString ());
}
pd.Reset ();
// finally a useful reset :)
pd.HashName = "SHA256";
pd.Salt = expectedKey;
pd.IterationCount = 10;
}
// FIXME: should we treat this as a bug or as a feature ?
[Test]
public void StrangeBehaviour ()
{
// create object with a salt...
PasswordDeriveBytes pd = new PasswordDeriveBytes ("password", salt, "MD5", 1000);
// ...then change the salt to null
pd.Salt = null;
}
[Test]
[ExpectedException (typeof (CryptographicException))]
public void CryptDeriveKey_TooLongKey ()
{
PasswordDeriveBytes pd = new PasswordDeriveBytes ("password", null, "MD5", 1000);
pd.CryptDeriveKey ("AlgName", "MD5", 256, new byte [8]);
}
#if !NET_2_1
[Test]
[Category ("NotWorking")] // bug #79499
public void LongMultipleGetBytes ()
{
// based on http://bugzilla.ximian.com/show_bug.cgi?id=79499
PasswordDeriveBytes pd = new PasswordDeriveBytes ("mono", new byte[20]);
string key = BitConverter.ToString (pd.GetBytes (32));
Assert.AreEqual ("88-0A-AE-0A-41-61-02-78-FD-E2-70-9F-25-13-14-28-1F-C7-D9-72-9A-AE-CA-3F-BD-31-B4-F0-BD-8E-5B-98", key, "key");
string iv = BitConverter.ToString (pd.GetBytes (16));
Assert.AreEqual ("FD-E2-70-9F-25-13-14-28-4D-3F-9B-F8-EE-AA-95-ED", iv, "iv");
pd.Reset ();
// bytes from 32-40 are different from calling GetBytes separately
Assert.AreEqual (key + "-F6-55-6C-3E-54-8B-F3-73-4D-3F-9B-F8-EE-AA-95-ED", BitConverter.ToString (pd.GetBytes (48)), "same");
}
#endif
}
}
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