public Property EncodeDecodeAreDuals_Collected(Mod4Binary input)
{
var processed = Z85.Decode(Z85.Encode(input.Data));
return(processed.SequenceEqual(input.Data)
// gather individual sizes
.Collect(input.Data.Length));
}
public void EncodeDecode_100Times_OutputMatchesOriginal()
{
Prop.ForAll <byte[]>(bytes =>
{
Z85.FromZ85String(Z85.ToZ85String(bytes, autoPad: true));
}
).QuickCheckThrowOnFailure();
}
public Property EncodeDecodeAreDuals_Trivial(Mod4Binary input)
{
var processed = Z85.Decode(Z85.Encode(input.Data));
return(processed.SequenceEqual(input.Data)
// identify a special case
.Trivial(input.Data.Any(b => b == 70)));
}
public void FromZ85String_OutputSizeIsCorrect()
{
var encodedText = "ABCDE12345";
var expectedDecodeSize = 8; // 5 characters decode to 4 bytes
var output = Z85.FromZ85String(encodedText);
Assert.AreEqual(expectedDecodeSize, output.Length);
}
public void FromZ85String_HelloWorld_Success()
{
var encodedString = "HelloWorld";
var expectedOutput = new byte[] { 0x86, 0x4F, 0xD2, 0x6F, 0xB5, 0x59, 0xF7, 0x5B };
var output = Z85.FromZ85String(encodedString);
CollectionAssert.AreEqual(expectedOutput, output);
}
public void ToZ85String_HelloWorld_Success()
{
var bytes = new byte[] { 0x86, 0x4F, 0xD2, 0x6F, 0xB5, 0x59, 0xF7, 0x5B };
var expectedOutput = "HelloWorld";
var output = Z85.ToZ85String(bytes);
Assert.AreEqual(expectedOutput, output);
}
public void ToZ85String_PaddingRequired_OutputSizeIsCorrect()
{
var input = "HelloWorld";
var inputBytes = System.Text.Encoding.Default.GetBytes(input);
var expectedEncodeSize = 15 + 1; // 4 bytes become 5, so with padding HelloWorld is 15 bytes encoded (+1 for padding value)
var output = Z85.ToZ85String(inputBytes, true);
Assert.AreEqual(expectedEncodeSize, output.Length);
}
public void ToZ85String_NoPaddingRequired_OutputSizeIsCorrect()
{
var input = "ABCD1234";
var inputBytes = System.Text.Encoding.Default.GetBytes(input);
var expectedEncodeSize = 10; // 4 bytes become 5
var output = Z85.ToZ85String(inputBytes);
Assert.AreEqual(expectedEncodeSize, output.Length);
}
public void EncodeDecode_PaddingRequired_Success()
{
var input = "HelloWorld"; // 10 bytes - NOT divisible by 4 with no remainder
var inputBytes = System.Text.Encoding.Default.GetBytes(input);
var outputBytes = Z85.FromZ85String(Z85.ToZ85String(inputBytes, true));
var output = System.Text.Encoding.Default.GetString(outputBytes);
Assert.AreEqual(input, output);
}
public void EncodeDecode_NoPaddingRequired_Success()
{
var input = "RiAZ3bax"; // 8 bytes - divisible by 4 with no remainder
var inputBytes = System.Text.Encoding.Default.GetBytes(input);
var outputBytes = Z85.FromZ85String(Z85.ToZ85String(inputBytes));
var output = System.Text.Encoding.Default.GetString(outputBytes);
Assert.AreEqual(input, output);
}
public Property EncodeDecodeAreDuals_Classified(Mod4Binary input)
{
var processed = Z85.Decode(Z85.Encode(input.Data));
return(processed.SequenceEqual(input.Data)
// bucket by common sizes
.Classify(input.IsLarge(), "Large (64 .. ∞ bytes)")
.Classify(input.IsMedium(), "Medium (24 .. 60 bytes)")
.Classify(input.IsSmall(), "Small (8 .. 20 bytes)")
.Classify(input.IsTiny(), "Tiny (0 .. 4 bytes)"));
}
public void EncodeDecode_1000Times_Max50Kb_OutputMatchesOriginal()
{
var config = Configuration.QuickThrowOnFailure;
config.MaxNbOfTest = 1000;
config.StartSize = 0;
config.EndSize = 51200;
Prop.ForAll <byte[]>(bytes =>
{
Z85.FromZ85String(Z85.ToZ85String(bytes, autoPad: true));
}
).Check(config);
}
public Property EncodeDecodeAreDuals_Combined(Mod4Binary input)
{
var processed = Z85.Decode(Z85.Encode(input.Data));
return(processed.SequenceEqual(input.Data)
// identify a special case
.Trivial(input.Data.Any(b => b == 70))
// bucket by common sizes
.Classify(input.IsLarge(), "Large (64 .. ∞ bytes)")
.Classify(input.IsMedium(), "Medium (24 .. 60 bytes)")
.Classify(input.IsSmall(), "Small (8 .. 20 bytes)")
.Classify(input.IsTiny(), "Tiny (0 .. 4 bytes)")
// gather individual sizes
.Collect(input.Data.Length));
}
public static void Z85Decode(string[] args)
{
//
// Author: metadings
//
if (args == null || args.Length < 1)
{
args = new string[] { "nm=QNzY&b1A+]nf" };
}
string txt = args[0];
string decoded = Z85.Decode(txt);
Console.WriteLine("{0}: {1}", txt, decoded);
}
public static void Z85Encode(string[] args)
{
//
// Author: metadings
//
if (args == null || args.Length < 1)
{
args = new string[] { "Hello World!" };
}
string txt = args[0];
string encoded = Z85.Encode(txt);
Console.WriteLine("{0}: {1}", txt, encoded);
}
public void SetOption_CurveSecretKey()
{
if (!ZContext.Has("curve"))
{
Assert.Ignore("Ignored due to missing curve support");
}
Assume.That(PlatformKind.Win32 == Platform.Kind); // TODO: fix the test and remove this
DoWithUnconnectedPairSocket(socket =>
{
// TODO: the interface is confusing; Z85-encoded keys should always be strings
byte[] publicKeyZ85, secretKeyZ85;
Z85.CurveKeypair(out publicKeyZ85, out secretKeyZ85);
socket.CurveSecretKey = secretKeyZ85;
byte[] secretKeyBinary = Z85.Decode(secretKeyZ85);
CollectionAssert.AreEqual(secretKeyBinary, socket.CurveSecretKey);
});
}
private static string Hash([CanBeNull] string filename)
{
if (filename == null)
{
return(string.Empty);
}
using (var crypt = new SHA256Managed())
{
var result = crypt.ComputeHash(
crypt.ComputeHash(
new byte[] { 0, 1, 3, 5, 7, 9 }
.Concat(Encoding.ASCII.GetBytes(filename))
.ToArray())
.Concat(new byte[] { 34, 22, 230, 33, 33, 0 })
.ToArray());
return(Z85.Encode(result));
}
}
public Boolean EncodeDecodeAreDuals_Passing(Mod4Binary input)
{
var processed = Z85.Decode(Z85.Encode(input.Data));
return(processed.SequenceEqual(input.Data));
}
public Boolean EncodeDecodeAreDuals_Failing(Byte[] data)
{
var processed = Z85.Decode(Z85.Encode(data));
return(processed.SequenceEqual(data));
}
public void FromZ85String_InputSizeIncorrect_ThrowsException()
{
var encodedText = "WrongSize"; // Length - 1 not divisible by 5
var output = Z85.FromZ85String(encodedText);
}
public void FromZ85String_PaddingCharacterNotDigit_ThrowsException()
{
var encodedText = "IllegalChrA"; // Padding char must be 0, 1, 2 or 3
var output = Z85.FromZ85String(encodedText);
}
public void FromZ85String_PaddingCharacterIncorrectValue_ThrowsException()
{
var encodedText = "InvalidChr4"; // Padding char must be 0, 1, 2 or 3
var output = Z85.FromZ85String(encodedText);
}
