public void BlockHasher_GivenHasherSingleTransform_SHA1HashStringHexadecimalResult()
{
using (var blockhasher = new BlockHasher(HashAlgorithm.Create("sha1")))
{
blockhasher.Transform("Hello world!");
var a1 = blockhasher.GetStringHash();
Assert.AreEqual(a1, "d3486ae9136e7856bc42212385ea797094475802", "Invalid SHA1 hash result.");
}
}
public void BlockHasher_SingleTransformString_MD5HashStringHexadecimalResult()
{
using (var blockhasher = new BlockHasher("md5"))
{
blockhasher.Transform("Hello world!");
var a1 = blockhasher.GetStringHash();
Assert.AreEqual(a1, "86fb269d190d2c85f6e0468ceca42a20", "Invalid MD5 hash result.");
}
}
public void BlockHasher_SingleTransformPartialBuffer_MD5HashStringHexadecimalResult()
{
using (var blockhasher = new BlockHasher("md5"))
{
var buffer = Encoding.UTF8.GetBytes("Hello world!");
blockhasher.Transform(buffer, 6, buffer.Length - 6);
var a1 = blockhasher.GetStringHash();
Assert.AreEqual(a1, "08cf82251c975a5e9734699fadf5e9c0", "Invalid MD5 hash result.");
}
}
public async Task <string> HashFile(string path, string algorithm = "md5")
{
using (var file = File.OpenRead(path))
{
using (var blockhasher = new BlockHasher("md5"))
{
await blockhasher.TransformAsync(file);
return(blockhasher.GetStringHash());
}
}
}
public void BlockHasher_StreamTransform_MD5HashStringHexadecimalResult()
{
using (var blockhasher = new BlockHasher("md5"))
{
var mr = new MemoryStream();
var buffer = Encoding.UTF8.GetBytes("Hello world!");
mr.Write(buffer, 0, buffer.Length);
mr.Position = 0;
blockhasher.Transform(mr);
var a1 = blockhasher.GetStringHash();
Assert.AreEqual(a1, "86fb269d190d2c85f6e0468ceca42a20", "Invalid MD5 hash result.");
}
}
public void BlockHasher_ApiRequest_HMACSHA1()
{
//api information
string apiKey = "DvTVukOITB5GJ5r79IEy3J9LALZ1LLex";
string clientSecret = "5d18SSM38x1lGjMD5qCX1FJGsw4jJ12t";
//request data
Dictionary <string, string> request = new Dictionary <string, string>();
request.Add("Message", "Hello world!");
request.Add("PublishDate", "1984-09-12");
request.Add("Tags", "first,message,ever");
request.Add("Active", "true");
string signature = null;
using (var algorithm = new HMACSHA1(Encoding.ASCII.GetBytes(clientSecret)))
{
var hasher = new BlockHasher(algorithm);
var orderedKeys = request.Keys.OrderBy(k => k);
//hash keys
foreach (var k in orderedKeys)
{
hasher.Transform(k);
hasher.Transform(",");
}
//hash values
foreach (var k in orderedKeys)
{
hasher.Transform(request[k]);
hasher.Transform(",");
}
hasher.Transform(apiKey);
signature = hasher.GetStringHash(BlockHasher.StringFormat.Base64);
}
Assert.AreEqual("279y647EmEXFNFH2ZtNesIc6Skw=", signature);
}
