public static string ToHashString(this string str, HashAlgorithm algorithm)
{
if (str == null)
{
return(null);
}
return(ToString(algorithm.ComputeHash(Encoding.GetBytes(str))));
}
public static string ToHashString(this Stream inputStream, HashAlgorithm algorithm)
{
if (inputStream == null)
{
return(null);
}
return(ToString(algorithm.ComputeHash(inputStream)));
}
public static string ToHashString(this byte[] buffer, int offset, int count, HashAlgorithm algorithm)
{
if (buffer == null)
{
return(null);
}
return(ToString(algorithm.ComputeHash(buffer, offset, count)));
}
public static string ToHashString(this byte[] buffer, HashAlgorithm algorithm)
{
if (buffer == null)
{
return(null);
}
return(ToString(algorithm.ComputeHash(buffer)));
}
public static string HashWith(this string input, HashAlgorithmProvider algorithm)
{
CryptographicHash objHash = algorithm.CreateHash();
IBuffer buffMsg1 = CryptographicBuffer.ConvertStringToBinary(input, BinaryStringEncoding.Utf16BE);
objHash.Append(buffMsg1);
IBuffer buffHash1 = objHash.GetValueAndReset();
return CryptographicBuffer.EncodeToBase64String(buffHash1);
}
public static string HashWith(this string input, HashAlgorithmProvider algorithm)
{
throw new NotImplementedException("got to figure out how to do this");
// var data = Encoding.UTF8.GetBytes(input);
// var hash = algorithm.HashData(CryptographicBuffer.ConvertStringToBinary(data));
// //var hash = algorithm.CreateHash()(data);
// return Convert.ToBase64String(CryptographicBuffer.ConvertBinaryToString(BinaryStringEncoding.Utf8, hash));
}
private byte[] GetHash(byte[] pbEntropy)
{
byte[] pbNewData;
#if KeePassUWP
Wscc.HashAlgorithmProvider hashAlgo = Wscc.HashAlgorithmProvider.OpenAlgorithm(Wscc.HashAlgorithmNames.Sha512);
pbNewData = hashAlgo.HashData(pbEntropy.AsBuffer()).ToArray();
#else
#if KeePassLibSD
using (SHA256Managed shaNew = new SHA256Managed())
#else
using (SHA512Managed shaNew = new SHA512Managed())
#endif
{
pbNewData = shaNew.ComputeHash(pbEntropy);
}
#endif
return(pbNewData);
}
public UAPHashAlgorithmProvider(HashAlgorithmProvider provider)
{
this.provider = provider;
}
public HashMessageDigest(string algorithm)
{
_provider = HashAlgorithmProvider.OpenAlgorithm(algorithm);
Init();
}
private void Init(string algorithmName)
{
_hasher = HashAlgorithmProvider.OpenAlgorithm(algorithmName);
Clear();
}
static Hash()
{
SHA256 = HashAlgorithmProvider.OpenAlgorithm("SHA256");
SHA384 = HashAlgorithmProvider.OpenAlgorithm("SHA384");
SHA512 = HashAlgorithmProvider.OpenAlgorithm("SHA512");
}
/// <summary>
/// Static Constructor
/// </summary>
static ImageCache()
{
// Default cache duration is a day
CacheDuration = TimeSpan.FromHours(24);
// Cache Handlers
CacheHandlers.Add(new ApplicationUriCacheHandler());
CacheHandlers.Add(new HttpUriCacheHandler());
CacheHandlers.Add(new StorageFileCacheHandler());
CacheHandlers.Add(new StreamCacheHandler());
// Algorithm Provider
AlgorithmProvider = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha1);
}
