public void Decode_GivenInvalidChars_ThrowsInvalidOperationException()
{
// prefix 0 - base2
// value 99 - invalid chars
Assert.Throws <InvalidOperationException>(() => Multibase.Decode("099", out string _));
}
public static Key LoadNBEcKey(String base58)
{
byte[] b = Multibase.Decode(base58, out MultibaseEncoding encoding);
EcKey key = EcKey.FromAsn1(b);
return(new Key(key.GetPrivKeyBytes()));
}
private ulong StringToInt(string value)
{
byte[] codedBytes = Multibase.Decode("Z" + value, out MultibaseEncoding _);
ulong codedValue = BitConverter.ToUInt64(codedBytes, 0);
return(Rearrange(codedValue));
}
public void TestVector_6(string encoding, string encoded)
{
var expected = "hello world";
var decoded = Multibase.Decode(encoded, out string mbEncoding, false);
Assert.Equal(encoding, mbEncoding);
Assert.Equal(expected, Encoding.UTF8.GetString(decoded));
}
// Official test vectors
private static void TestVector(string encoding, string encoded, string expected)
{
var decoded = Multibase.Decode(encoded, out string mbEncoding);
Assert.Equal(encoding, mbEncoding);
Assert.Equal(expected, Encoding.UTF8.GetString(decoded));
var rencoded = Multibase.Encode(mbEncoding, decoded);
Assert.Equal(encoded, rencoded);
}
public void TestRoundTripRaw(MultibaseEncoding encoding)
{
var rand = new Random(Environment.TickCount);
var buf = new byte[rand.Next(16, 256)];
rand.NextBytes(buf);
var encoded = Multibase.Encode(encoding, buf);
var decoded = Multibase.Decode(encoded, out MultibaseEncoding decodedEncoding);
Assert.Equal(encoding, decodedEncoding);
Assert.Equal(decoded, buf);
}
public static Cid Decode(string v)
{
if (v.Length < 2)
{
throw new ArgumentException("cid too short", nameof(v));
}
if (v.Length == 46 && v.Substring(0, 2) == "Qm")
{
return(new Cid(Multihash.Parse(v)));
}
return(Cast(Multibase.Decode(v)));
}
public static ApiSig CreateApiSig(string secret, DateTime?date = null)
{
if (date is null)
{
date = DateTime.UtcNow.AddMinutes(30);
}
byte[] sec = Multibase.Decode(secret, out string _);
string msg = date.Value.ToString("o", CultureInfo.InvariantCulture);
using HMACSHA256 hash = new (sec);
byte[] mac = hash.ComputeHash(Encoding.ASCII.GetBytes(msg));
string sig = Multibase.Encode(MultibaseEncoding.Base32Lower, mac);
return(new ApiSig()
{
Msg = msg,
Sig = sig
});
}
public static PublicKey FromString(string str)
{
byte[] decoded = Multibase.Decode(str, out string _);
return(new PublicKey(LibP2P.Crypto.PublicKey.Unmarshal(decoded)));
}
public void Decode_GivenUnknownPrefix_ThrowsUnsupportedException()
{
Assert.Throws <NotSupportedException>(() => Multibase.Decode("ø", out string _));
}
public void Decode_GivenEmptyInput_ThrowsArgumentNullException(string value)
{
Assert.Throws <ArgumentNullException>(() => Multibase.Decode(value, out string _));
}
public override void Decode(string value) => Value = Multibase.Decode(value, out MultibaseEncoding _);
