public static byte[] ComputeHash(byte[] data, int start, int count, Blake2sConfig config)
{
var hasher = Create(config);
hasher.Update(data, start, count);
return(hasher.Finish());
}
public static byte[] GetHash2snet()
{
var cfg = new Blake2s.Blake2sConfig()
{
OutputSizeInBytes = BenchConfig.HashBytes,
Key = BenchConfig.Key
};
return(Blake2s.Blake2S.ComputeHash(BenchConfig.Data, cfg));
}
/// <summary>Generates a hash based on a key, salt and personal bytes</summary>
/// <returns><c>byte</c> hashed message</returns>
/// <param name="message">Message.</param>
/// <param name="key">Key.</param>
/// <param name="salt">Salt.</param>
/// <param name="personal">Personal string.</param>
/// <param name="bytes">The size (in bytes) of the desired result.</param>
/// <exception cref="ArgumentNullException"></exception>
/// <exception cref="KeyOutOfRangeException"></exception>
/// <exception cref="SaltOutOfRangeException"></exception>
/// <exception cref="PersonalOutOfRangeException"></exception>
/// <exception cref="BytesOutOfRangeException"></exception>
public static byte[] HashSaltPersonal(byte[] message, byte[] key, byte[] salt, byte[] personal, int bytes = OutBytes)
{
if (message == null)
{
throw new ArgumentNullException("message", "Message cannot be null");
}
if (salt == null)
{
throw new ArgumentNullException("salt", "Salt cannot be null");
}
if (personal == null)
{
throw new ArgumentNullException("personal", "Personal string cannot be null");
}
if (key != null && (key.Length > KeyBytesMax || key.Length < KeyBytesMin))
{
throw new KeyOutOfRangeException(string.Format("key must be between {0} and {1} bytes in length.", KeyBytesMin, KeyBytesMax));
}
if (key == null)
{
key = new byte[0];
}
if (salt.Length != SaltBytes)
{
throw new SaltOutOfRangeException(string.Format("Salt must be {0} bytes in length.", SaltBytes));
}
if (personal.Length != PersonalBytes)
{
throw new PersonalOutOfRangeException(string.Format("Personal bytes must be {0} bytes in length.", PersonalBytes));
}
//validate output length
if (bytes > BytesMax || bytes < BytesMin)
{
throw new BytesOutOfRangeException("bytes", bytes,
string.Format("bytes must be between {0} and {1} bytes in length.", BytesMin, BytesMax));
}
var config = new Blake2sConfig
{
Key = key,
OutputSizeInBytes = bytes,
Personalization = personal,
Salt = salt
};
return(ComputeHash(message, 0, message.Length, config));
}
public Blake2sConfig Clone()
{
var result = new Blake2sConfig();
result.OutputSizeInBytes = OutputSizeInBytes;
if (Key != null)
result.Key = (byte[])Key.Clone();
if (Personalization != null)
result.Personalization = (byte[])Personalization.Clone();
if (Salt != null)
result.Salt = (byte[])Salt.Clone();
return result;
}
public Blake2sHasher(Blake2sConfig config)
{
if (config == null)
{
config = DefaultConfig;
}
rawConfig = Blake2sIvBuilder.ConfigS(config); //, null); no tree config;
if (config.Key != null && config.Key.Length != 0)
{
key = new byte[Blake2sCore.BlockSizeInBytes]; // DOES THIS NEED TO BE THE BLOCK LENGTH?!
Array.Copy(config.Key, key, config.Key.Length);
}
outputSizeInBytes = config.OutputSizeInBytes;
Init();
}
/// <summary>
/// </summary>
/// <param name="config">A valid Blake2sConfig.</param>
/// <returns></returns>
/// <exception cref="ArgumentOutOfRangeException"></exception>
/// <exception cref="ArgumentException"></exception>
public static uint[] ConfigS(Blake2sConfig config)
{
var rawConfig = new uint[8];
//digest length
if (config.OutputSizeInBytes <= 0 | config.OutputSizeInBytes > 32) //
{
throw new ArgumentOutOfRangeException("config.OutputSize");
}
rawConfig[0] |= (uint)config.OutputSizeInBytes; //
//Key length
if (config.Key != null)
{
if (config.Key.Length > 32) //
{
throw new ArgumentException("config.Key", "Key too long");
}
rawConfig[0] |= (uint)(config.Key.Length << 8); //
}
// Fan Out =1 and Max Height / Depth = 1
rawConfig[0] |= 1 << 16;
rawConfig[0] |= 1 << 24;
// Leaf Length and Inner Length 0, no need to worry about them
// Salt
if (config.Salt != null)
{
if (config.Salt.Length != 8)
{
throw new ArgumentException("config.Salt has invalid length");
}
rawConfig[4] = Blake2sCore.BytesToUInt32(config.Salt, 0);
rawConfig[5] = Blake2sCore.BytesToUInt32(config.Salt, 4);
}
// Personalization
if (config.Personalization != null)
{
if (config.Personalization.Length != 8)
{
throw new ArgumentException("config.Personalization has invalid length");
}
rawConfig[6] = Blake2sCore.BytesToUInt32(config.Personalization, 0);
rawConfig[7] = Blake2sCore.BytesToUInt32(config.Personalization, 4);
}
return(rawConfig);
}
public Blake2sConfig Clone()
{
var result = new Blake2sConfig();
result.OutputSizeInBytes = OutputSizeInBytes;
if (Key != null)
{
result.Key = (byte[])Key.Clone();
}
if (Personalization != null)
{
result.Personalization = (byte[])Personalization.Clone();
}
if (Salt != null)
{
result.Salt = (byte[])Salt.Clone();
}
return(result);
}
/// <summary>
/// </summary>
/// <param name="config">A valid Blake2sConfig.</param>
/// <returns></returns>
/// <exception cref="ArgumentOutOfRangeException"></exception>
/// <exception cref="ArgumentException"></exception>
public static uint[] ConfigS(Blake2sConfig config)
{
var rawConfig = new uint[8];
//digest length
if (config.OutputSizeInBytes <= 0 | config.OutputSizeInBytes > 32) //
throw new ArgumentOutOfRangeException("config.OutputSize");
rawConfig[0] |= (uint) config.OutputSizeInBytes; //
//Key length
if (config.Key != null)
{
if (config.Key.Length > 32) //
throw new ArgumentException("config.Key", "Key too long");
rawConfig[0] |= (uint) (config.Key.Length << 8); //
}
// Fan Out =1 and Max Height / Depth = 1
rawConfig[0] |= 1 << 16;
rawConfig[0] |= 1 << 24;
// Leaf Length and Inner Length 0, no need to worry about them
// Salt
if (config.Salt != null)
{
if (config.Salt.Length != 8)
throw new ArgumentException("config.Salt has invalid length");
rawConfig[4] = Blake2sCore.BytesToUInt32(config.Salt, 0);
rawConfig[5] = Blake2sCore.BytesToUInt32(config.Salt, 4);
}
// Personalization
if (config.Personalization != null)
{
if (config.Personalization.Length != 8)
throw new ArgumentException("config.Personalization has invalid length");
rawConfig[6] = Blake2sCore.BytesToUInt32(config.Personalization, 0);
rawConfig[7] = Blake2sCore.BytesToUInt32(config.Personalization, 4);
}
return rawConfig;
}
/// <summary>Hashes a message, with an optional key, using the BLAKE2s primitive.</summary>
/// <param name="message">The message to be hashed.</param>
/// <param name="key">The key; may be null, otherwise between 16 and 64 bytes.</param>
/// <param name="bytes">The size (in bytes) of the desired result.</param>
/// <returns>Returns a byte array.</returns>
/// <exception cref="KeyOutOfRangeException"></exception>
/// <exception cref="BytesOutOfRangeException"></exception>
/// <exception cref="OverflowException"></exception>
public static byte[] Hash(byte[] message, byte[] key, int bytes)
{
//validate the length of the key
if (key != null)
{
if (key.Length > KeyBytesMax || key.Length < KeyBytesMin)
{
throw new KeyOutOfRangeException(string.Format("key must be between {0} and {1} bytes in length.",
KeyBytesMin, KeyBytesMax));
}
}
else
{
key = new byte[0];
}
//validate output length
if (bytes > BytesMax || bytes < BytesMin)
{
throw new BytesOutOfRangeException("bytes", bytes,
string.Format("bytes must be between {0} and {1} bytes in length.", BytesMin, BytesMax));
}
var config = new Blake2sConfig
{
Key = key,
OutputSizeInBytes = bytes
};
if (message == null)
{
message = new byte[0];
}
return(ComputeHash(message, 0, message.Length, config));
}
public static byte[] ComputeHash(byte[] data, Blake2sConfig config)
{
return(ComputeHash(data, 0, data.Length, config));
}
public static Hasher Create(Blake2sConfig config)
{
return(new Blake2sHasher(config));
}
public static Hasher Create(Blake2sConfig config)
{
return new Blake2sHasher(config);
}
public static byte[] ComputeHash(byte[] data, int start, int count, Blake2sConfig config)
{
var hasher = Create(config);
hasher.Update(data, start, count);
return hasher.Finish();
}
public static byte[] ComputeHash(byte[] data, Blake2sConfig config)
{
return ComputeHash(data, 0, data.Length, config);
}
/// <summary>Generates a hash based on a key, salt and personal bytes</summary>
/// <returns><c>byte</c> hashed message</returns>
/// <param name="message">Message.</param>
/// <param name="key">Key.</param>
/// <param name="salt">Salt.</param>
/// <param name="personal">Personal string.</param>
/// <param name="bytes">The size (in bytes) of the desired result.</param>
/// <exception cref="ArgumentNullException"></exception>
/// <exception cref="KeyOutOfRangeException"></exception>
/// <exception cref="SaltOutOfRangeException"></exception>
/// <exception cref="PersonalOutOfRangeException"></exception>
/// <exception cref="BytesOutOfRangeException"></exception>
public static byte[] HashSaltPersonal(byte[] message, byte[] key, byte[] salt, byte[] personal, int bytes = OutBytes)
{
if (message == null)
throw new ArgumentNullException("message", "Message cannot be null");
if (salt == null)
throw new ArgumentNullException("salt", "Salt cannot be null");
if (personal == null)
throw new ArgumentNullException("personal", "Personal string cannot be null");
if (key != null && (key.Length > KeyBytesMax || key.Length < KeyBytesMin))
throw new KeyOutOfRangeException(string.Format("key must be between {0} and {1} bytes in length.", KeyBytesMin, KeyBytesMax));
if (key == null)
key = new byte[0];
if (salt.Length != SaltBytes)
throw new SaltOutOfRangeException(string.Format("Salt must be {0} bytes in length.", SaltBytes));
if (personal.Length != PersonalBytes)
throw new PersonalOutOfRangeException(string.Format("Personal bytes must be {0} bytes in length.", PersonalBytes));
//validate output length
if (bytes > BytesMax || bytes < BytesMin)
throw new BytesOutOfRangeException("bytes", bytes,
string.Format("bytes must be between {0} and {1} bytes in length.", BytesMin, BytesMax));
var config = new Blake2sConfig
{
Key = key,
OutputSizeInBytes = bytes,
Personalization = personal,
Salt = salt
};
return ComputeHash(message, 0, message.Length, config);
}
/// <summary>Hashes a message, with an optional key, using the BLAKE2s primitive.</summary>
/// <param name="message">The message to be hashed.</param>
/// <param name="key">The key; may be null, otherwise between 16 and 64 bytes.</param>
/// <param name="bytes">The size (in bytes) of the desired result.</param>
/// <returns>Returns a byte array.</returns>
/// <exception cref="KeyOutOfRangeException"></exception>
/// <exception cref="BytesOutOfRangeException"></exception>
/// <exception cref="OverflowException"></exception>
public static byte[] Hash(byte[] message, byte[] key, int bytes)
{
//validate the length of the key
if (key != null)
{
if (key.Length > KeyBytesMax || key.Length < KeyBytesMin)
{
throw new KeyOutOfRangeException(string.Format("key must be between {0} and {1} bytes in length.",
KeyBytesMin, KeyBytesMax));
}
}
else
{
key = new byte[0];
}
//validate output length
if (bytes > BytesMax || bytes < BytesMin)
throw new BytesOutOfRangeException("bytes", bytes,
string.Format("bytes must be between {0} and {1} bytes in length.", BytesMin, BytesMax));
var config = new Blake2sConfig
{
Key = key,
OutputSizeInBytes = bytes
};
if (message == null)
{
message = new byte[0];
}
return ComputeHash(message, 0, message.Length, config);
}