public static HashAlgorithm GetHashProvider(HashType type)
{
HashAlgorithm hash = null;
switch (type)
{
case HashType.MD5:
{
hash = new MD5CryptoServiceProvider();
break;
}
case HashType.SHA1:
{
hash = new SHA1CryptoServiceProvider();
break;
}
case HashType.SHA256:
{
hash = new SHA256CryptoServiceProvider();
break;
}
case HashType.SHA384:
{
hash = new SHA384CryptoServiceProvider();
break;
}
case HashType.SHA512:
{
hash = new SHA512CryptoServiceProvider();
break;
}
}
return hash;
}
/// <summary>Generates the hash of a text.</summary>
/// <param name="strPlain">The text of which to generate a hash of.</param>
/// <param name="hshType">The hash function to use.</param>
/// <returns>The hash as a hexadecimal string.</returns>
public static string GetHash(string strPlain, HashType hshType)
{
string strRet;
switch (hshType)
{
case HashType.MD5:
strRet = GetMD5(strPlain);
break;
case HashType.SHA1:
strRet = GetSHA1(strPlain);
break;
case HashType.SHA256:
strRet = GetSHA256(strPlain);
break;
case HashType.SHA384:
strRet = GetSHA384(strPlain);
break;
case HashType.SHA512:
strRet = GetSHA512(strPlain);
break;
default:
strRet = "Invalid HashType";
break;
}
return strRet;
}
internal static string HashString(string IN_STRING, HashType algo)
{
byte[] inStringBytes = null, hashBytes = null;
inStringBytes = Encoding.ASCII.GetBytes(IN_STRING);
switch (algo)
{
case HashType.MD5:
hashBytes = MD5.Create().ComputeHash(inStringBytes);
break;
case HashType.SHA1:
hashBytes = SHA1.Create().ComputeHash(inStringBytes);
break;
case HashType.SHA256:
hashBytes = SHA256.Create().ComputeHash(inStringBytes);
break;
case HashType.SHA384:
hashBytes = SHA384.Create().ComputeHash(inStringBytes);
break;
case HashType.SHA512:
hashBytes = SHA512.Create().ComputeHash(inStringBytes);
break;
}
return MakeHashString(hashBytes);
}
public byte[] AddFile(ulong streamId, Stream file, HashType type = HashType.None)
{
EnsureMaximumState(ArchiveState.PushingFiles);
if (_state == ArchiveState.Initial)
{
_outputFilter = DoOutputFiltering(_hashedStream);
_state = ArchiveState.PushingFiles;
}
byte[] ret = null;
_streamIds.Add(streamId);
_streamSizes.Add(file.Length);
Stream stream = file;
HashAlgorithm hash = null;
if (type != HashType.None)
{
hash = Hash.New(type);
stream = new HashCalculatorInputFilter(stream, hash);
}
stream.CopyTo(_outputFilter);
if (type != HashType.None)
{
stream.Dispose();
hash.FinishHashing();
ret = hash.Hash;
}
AnyFile = true;
return ret;
}
public static string GetHash(string text, HashType hashType)
{
HashAlgorithm _algorithm;
switch (hashType)
{
case HashType.MD5:
_algorithm = MD5.Create();
break;
case HashType.SHA1:
_algorithm = SHA1.Create();
break;
case HashType.SHA256:
_algorithm = SHA256.Create();
break;
case HashType.SHA512:
_algorithm = SHA512.Create();
break;
default:
throw new ArgumentException("Invalid hash type", "hashType");
}
byte[] bytes = Encoding.Unicode.GetBytes(text);
byte[] hash = _algorithm.ComputeHash(bytes);
string hashString = string.Empty;
foreach (byte x in hash)
{
hashString += String.Format("{0:x2}", x);
}
return hashString;
}
internal byte[] GetHashForVerification(HashType hashType, uint index, byte[] scriptPubKey)
{
using (MemoryStream ms = new MemoryStream())
using (BinaryWriter writer = new BinaryWriter(ms))
{
writer.Write(Version);
writer.WriteVarInt(Inputs.Length);
for (uint i = 0; i < Inputs.Length; i++)
{
writer.Write(Inputs[i].PrevHash);
writer.Write(Inputs[i].PrevIndex);
if (i == index)
{
writer.WriteVarInt(scriptPubKey.Length);
writer.Write(scriptPubKey);
}
else
{
writer.WriteVarInt(0);
}
writer.Write(uint.MaxValue);
}
writer.Write(Outputs);
writer.Write(LockTime);
writer.Write((int)hashType);
writer.Flush();
return ms.ToArray().Sha256().Sha256();
}
}
public static HashAlgorithm Create(HashType hash)
{
switch (hash)
{
case HashType.CRC32:
return CRC32.Create();
case HashType.MD5:
return MD5.Create();
case HashType.SHA256:
return SHA256.Create();
case HashType.SHA384:
return SHA384.Create();
case HashType.SHA512:
return SHA512.Create();
case HashType.SHA1:
return SHA1.Create();
default:
throw new NotSupportedException("not support hash algorithm :" + hash.ToString());
}
}
/// <summary>
/// Get SHA Hash
/// </summary>
/// <param name="plainText"></param>
/// <returns></returns>
public virtual string GetHash(string plainText, HashType hashType, bool returnHex)
{
string hashText = string.Empty;
switch (hashType)
{
case HashType.SHA1:
hashText = GetSHA1(plainText, returnHex);
break;
case HashType.SHA256:
hashText = GetSHA256(plainText, returnHex);
break;
case HashType.SHA384:
hashText = GetSHA384(plainText, returnHex);
break;
case HashType.SHA512:
hashText = GetSHA512(plainText, returnHex);
break;
}
return hashText;
}
public static string Compute(HashType type, bool format, string data, string salt)
{
HashAlgorithm hash;
string prefix;
switch (type)
{
case HashType.MD5:
prefix = "MD5";
hash = new MD5Cng();
break;
case HashType.SHA1:
prefix = "SHA1";
hash = new SHA1Cng();
break;
case HashType.SHA256:
prefix = "SHA256";
hash = new SHA256Cng();
break;
case HashType.SHA384:
prefix = "SHA384";
hash = new SHA384Cng();
break;
case HashType.SHA512:
prefix = "SHA512";
hash = new SHA512Cng();
break;
default:
throw new ArgumentOutOfRangeException(nameof(type), type, null);
}
byte[] inputBytes = System.Text.Encoding.UTF8.GetBytes(salt+data);
byte[] hashed = hash.ComputeHash(inputBytes);
return format ? $"{{{prefix}:{GetHashHex(hashed)}}}" : GetHashHex(hashed);
}
public static string GetHash(string text, HashType hashType = HashType.SHA512)
{
HashAlgorithm hashAlgorithm = null;
switch (hashType)
{
case HashType.MD5:
hashAlgorithm = new MD5CryptoServiceProvider();
break;
case HashType.SHA1:
hashAlgorithm = new SHA1Managed();
break;
case HashType.SHA256:
hashAlgorithm = new SHA256Managed();
break;
case HashType.SHA512:
hashAlgorithm = new SHA512Managed();
break;
}
return ComputeHash(text, hashAlgorithm);
}
internal static string HashFile(string IN_FILE, HashType algo)
{
byte[] hashBytes = null;
switch (algo)
{
case HashType.MD5:
hashBytes = MD5.Create().ComputeHash(new FileStream(IN_FILE, FileMode.Open));
break;
case HashType.SHA1:
hashBytes = SHA1.Create().ComputeHash(new FileStream(IN_FILE, FileMode.Open));
break;
case HashType.SHA256:
hashBytes = SHA256.Create().ComputeHash(new FileStream(IN_FILE, FileMode.Open));
break;
case HashType.SHA384:
hashBytes = SHA384.Create().ComputeHash(new FileStream(IN_FILE, FileMode.Open));
break;
case HashType.SHA512:
hashBytes = SHA512.Create().ComputeHash(new FileStream(IN_FILE, FileMode.Open));
break;
}
return MakeHashString(hashBytes);
}
internal static string HashFile(string filePath, HashType algo)
{
string hexStr;
FileStream fstream = new FileStream(filePath, FileMode.Open);
switch (algo)
{
case HashType.MD5:
hexStr = MD5.Create().ComputeHash(fstream).ToHex(true);
break;
case HashType.SHA1:
hexStr = SHA1.Create().ComputeHash(fstream).ToHex(true);
break;
case HashType.SHA512:
hexStr = SHA512.Create().ComputeHash(fstream).ToHex(true);
break;
default:
hexStr = "";
break;
}
fstream.Close();
return hexStr;
}
/// <summary>
/// Computes the hash of given text using given hash algorithm
/// </summary>
public static string ComputeHash(HashType type, string text)
{
// Encode the text into byte array
var data = (new UTF8Encoding()).GetBytes(text);
// Create hash provider
HashAlgorithm algorithm = null;
switch (type)
{
case HashType.Sha1:
algorithm = new SHA1Managed();
break;
case HashType.Sha256:
algorithm = new SHA1Managed();
break;
case HashType.Sha512:
algorithm = new SHA1Managed();
break;
default:
algorithm = new MD5CryptoServiceProvider();
break;
}
// Compute hash value
var hash = algorithm.ComputeHash(data);
// Decodes to string
return Convert.ToBase64String(hash);
}
internal static void ProcessSetting(string arg) {
switch (arg.ToLower()) {
case "/?":
case "-h":
case "--help":
ShowHelp = true;
break;
case "-ff":
case "--filefirst":
FileFirst = true;
break;
case "--md5":
HashType = HashType.Md5;
break;
case "--sha1":
HashType = HashType.Sha1;
break;
case "--sha256":
HashType = HashType.Sha256;
break;
default:
if (arg.StartsWith("--") || arg.StartsWith("-") || arg.StartsWith("/"))
throw new ApplicationException("Unknown parameter.");
FilePath = arg;
break;
}
}
public string GenerateHash( HashType HashType, string PlainText, string SaltText )
{
if (string.IsNullOrEmpty(PlainText)) {
throw new ArgumentNullException( "PlainText", "Can't hash blank text" );
}
byte[] saltBytes = Encoding.UTF8.GetBytes( SaltText );
if ( string.IsNullOrEmpty( SaltText ) || saltBytes.IsNullOrEmpty() ) {
throw new ArgumentNullException( "Salt", "Salt can't be blank" );
}
byte[] plainTextBytes = Encoding.UTF8.GetBytes( PlainText );
// Concatinate text and salt bytes
byte[] plainTextWithSaltBytes = new byte[plainTextBytes.Length + saltBytes.Length];
for ( int i = 0; i < plainTextBytes.Length; i++ ) {
plainTextWithSaltBytes[i] = plainTextBytes[i];
}
for ( int i = 0; i < saltBytes.Length; i++ ) {
plainTextWithSaltBytes[plainTextBytes.Length + i] = saltBytes[i];
}
HashAlgorithm hashAlgorithm = this.GetAlgorithm( HashType );
byte[] hashBytes = hashAlgorithm.ComputeHash( plainTextWithSaltBytes );
string hashValue = Convert.ToBase64String( hashBytes );
return hashValue;
}
/// <summary>
/// Generates a hash for the given plain text value and returns a
/// base64-encoded result. Before the hash is computed, a random salt
/// is generated and appended to the plain text. This salt is stored at
/// the end of the hash value, so it can be used later for hash
/// verification.
/// </summary>
/// <param name="plainText">
/// Plaintext value to be hashed. The function does not check whether
/// this parameter is null.
/// </param>
/// <param name="hashAlgorithm">
/// Name of the hash algorithm. Allowed values are: "MD5", "SHA1",
/// "SHA256", "SHA384", and "SHA512" (if any other value is specified
/// MD5 hashing algorithm will be used). This value is case-insensitive.
/// </param>
/// <returns>
/// Hash value formatted as a base64-encoded string.
/// </returns>
public static string ComputeHash(string plainText,
HashType hashType)
{
// Convert plain text into a byte array.
var plainTextBytes = Encoding.UTF8.GetBytes(plainText);
// Allocate array, which will hold plain text.
var plainTextWithSaltBytes =
new byte[plainTextBytes.Length];
// Copy plain text bytes into resulting array.
for (int i = 0; i < plainTextBytes.Length; i++)
plainTextWithSaltBytes[i] = plainTextBytes[i];
// Because we support multiple hashing algorithms, we must define
// hash object as a common (abstract) base class. We will specify the
// actual hashing algorithm class later during object creation.
HashAlgorithm hash;
// Initialize appropriate hashing algorithm class.
switch (hashType.ToString())
{
case "SHA1":
hash = new SHA1Managed();
break;
case "SHA256":
hash = new SHA256Managed();
break;
case "SHA384":
hash = new SHA384Managed();
break;
case "SHA512":
hash = new SHA512Managed();
break;
default:
hash = new MD5CryptoServiceProvider();
break;
}
// Compute hash value of our plain text with appended salt.
var hashBytes = hash.ComputeHash(plainTextWithSaltBytes);
// Create array which will hold hash and original salt bytes.
var hashWithSaltBytes = new byte[hashBytes.Length];
// Copy hash bytes into resulting array.
for (int i = 0; i < hashBytes.Length; i++)
hashWithSaltBytes[i] = hashBytes[i];
// Convert result into a base64-encoded string.
string hashValue = Convert.ToBase64String(hashWithSaltBytes);
// Return the result.
return hashValue;
}
public CloneableHash(int hash, HashType type, int size) {
m_Provider = CAPIProvider.Handle;
m_Type = type;
m_Size = size;
m_Disposed = false;
if (SspiProvider.CryptDuplicateHash(hash, IntPtr.Zero, 0, out m_Hash) == 0)
throw new CryptographicException("Couldn't duplicate hash.");
}
public QueueItem(FileInfo file, QueueItemAction requestedAction, HashType type)
{
_File = file;
_Type = type;
_TestHash = String.Empty;
_Action = requestedAction;
_Results = QueueItemResult.NotTested; // this is wrong... do it different
}
public QueueItem(FileInfo file, string testHash, QueueItemAction requestedAction, HashType type)
{
_File = file;
_Type = type;
_TestHash = testHash;
_Action = requestedAction;
_Results = QueueItemResult.NotTested;
}
private static IHashAlgorithm CreateHasher(HashType hashType)
{
#if NETSTANDARD || NETFULL || NETCORE
return new FullHashAlgorithm(hashType);
#endif
throw new NotImplementedException();
}
public static string Encrypt(string toEncrypt, HashType hashType, Encoding enc)
{
string ret = "";
byte[] rawBytes = enc.GetBytes(toEncrypt);
HashAlgorithm hash = GetHashProvider(hashType);
byte[] result = hash.ComputeHash(rawBytes);
ret = enc.GetString(result);
return ret;
}
public static byte[] GetHash(Stream input, HashType hashType)
{
if (input == null) return null;
lock(Hashers)
{
return GetHasher(hashType).ComputeHash(input);
}
}
/// <summary>
/// Hashing a given string with any of the supported hash algorithms.
/// </summary>
/// <param name="data">Data to hash</param>
/// <param name="hashType">Hashing algorithm to use</param>
/// <returns>Hashed data</returns>
public static string HashData(string data, HashType hashType)
{
var bytes = (new UnicodeEncoding()).GetBytes(data);
var hashed = HashData(bytes, hashType);
var sb = new StringBuilder(64);
foreach (var b in hashed)
sb.AppendFormat("{0:x2}", b);
return sb.ToString();
}
private static IHashAlgorithm GetHasher(HashType hashType)
{
IHashAlgorithm result;
if (!Hashers.TryGetValue(hashType, out result))
{
result = Hashers[hashType] = CreateHasher(hashType);
}
return result;
}
public static byte[] GetHash(byte[] input, HashType hashType)
{
if (input == null) return null;
if (input.Length == 0) return input;
lock (Hashers)
{
return GetHasher(hashType).ComputeHash(input);
}
}
public static string EncryptString(HashType ht, string str, string salt = null)
{
switch (ht)
{
case HashType.Md5:
var md5 = SaltMd5.Init(str, salt);
return md5.ToBfFormat();
}
throw new PostfixEncryptorException("This hash type doesn't implemented.");
}
public static string TextToHash(string text, HashType hashType, bool uppercase = false)
{
using (HashAlgorithm hash = HashCheck.GetHashAlgorithm(hashType))
{
byte[] bytes = hash.ComputeHash(Encoding.UTF8.GetBytes(text));
string[] hex = BytesToHexadecimal(bytes);
string result = string.Concat(hex);
if (uppercase) result = result.ToUpperInvariant();
return result;
}
}
/// <summary>
/// Compute the hash of a given file
/// </summary>
/// <param name="hashType">
/// Defines the type of hash algorithm to use
/// </param>
/// <param name="filename">
/// A <see cref="System.String"/> with the filename
/// </param>
/// <returns>
/// A <see cref="System.String"/> with the hash. The string is in lowercase HEX and
/// all "-" are removed.
/// </returns>
public static string FromFile(HashType hashType, string filename)
{
HashAlgorithm provider = HashFactory.CreateInstance(hashType);
FileStream file = new FileStream(filename, FileMode.Open);
byte[] retVal = provider.ComputeHash(file);
file.Close();
file = null;
provider = null;
return BitConverter.ToString(retVal).ToLower().Replace("-", String.Empty);
}
/// <summary>
///
/// </summary>
/// <param name="hType">Hashing Algorithm used (SHA1 or MD5)</param>
/// <param name="keyLength">Size of encryption key in bits. Allowed values are: 128, 192, and 256.</param>
/// <param name="iterations">Number of iterations used to generate password.</param>
/// <param name="initVector">16 ASCII character Initialization Vector</param>
/// <param name="passPhrase">Unicode phrase used to generate encryption string</param>
/// <param name="saltValue">Unicode value to salt data with (secondary key)</param>
public Crypto(HashType hType, int keyLength, int iterations, string initVector, string passPhrase, string saltValue)
{
m_hType = hType.ToString();
m_keyLength = keyLength;
m_iterations = iterations;
m_initVector = initVector;
m_passPhrase = passPhrase;
m_saltValue = saltValue;
}
public static string FromString(string input, HashType hashtype)
{
Byte[] clearBytes;
Byte[] hashedBytes;
string output = String.Empty;
switch (hashtype)
{
case HashType.RIPEMD160:
clearBytes = new UTF8Encoding().GetBytes(input);
RIPEMD160 myRIPEMD160 = RIPEMD160Managed.Create();
hashedBytes = myRIPEMD160.ComputeHash(clearBytes);
output = BitConverter.ToString(hashedBytes).Replace("-", "").ToLower();
break;
case HashType.MD5:
clearBytes = new UTF8Encoding().GetBytes(input);
hashedBytes = ((HashAlgorithm)CryptoConfig.CreateFromName("MD5")).ComputeHash(clearBytes);
output = BitConverter.ToString(hashedBytes).Replace("-", "").ToLower();
break;
case HashType.SHA1:
clearBytes = Encoding.UTF8.GetBytes(input);
SHA1CryptoServiceProvider sha1 = new SHA1CryptoServiceProvider();
sha1.ComputeHash(clearBytes);
hashedBytes = sha1.Hash;
sha1.Clear();
output = BitConverter.ToString(hashedBytes).Replace("-", "").ToLower();
break;
case HashType.SHA256:
clearBytes = Encoding.UTF8.GetBytes(input);
SHA256 sha256 = new SHA256Managed();
sha256.ComputeHash(clearBytes);
hashedBytes = sha256.Hash;
sha256.Clear();
output = BitConverter.ToString(hashedBytes).Replace("-", "").ToLower();
break;
case HashType.SHA384:
clearBytes = Encoding.UTF8.GetBytes(input);
SHA384 sha384 = new SHA384Managed();
sha384.ComputeHash(clearBytes);
hashedBytes = sha384.Hash;
sha384.Clear();
output = BitConverter.ToString(hashedBytes).Replace("-", "").ToLower();
break;
case HashType.SHA512:
clearBytes = Encoding.UTF8.GetBytes(input);
SHA512 sha512 = new SHA512Managed();
sha512.ComputeHash(clearBytes);
hashedBytes = sha512.Hash;
sha512.Clear();
output = BitConverter.ToString(hashedBytes).Replace("-", "").ToLower();
break;
}
return output;
}
/// <summary>
/// Deserialize from string.
/// </summary>
public static bool Deserialize(this string value, out HashType hashType)
{
Contract.Requires(value != null);
return(NameToValue.TryGetValue(value, out hashType));
}
/// <summary>
/// Initializes a new instance of the <see cref="AssuredStreamCreateArgs"/> class.
/// </summary>
public AssuredStreamCreateArgs()
{
_hashType = QQnCryptoHelpers.DefaultHashType;
}
/// <summary>
/// Initializes a new instance of the <see cref="TaggedHashInfo" /> class.
/// </summary>
protected TaggedHashInfo(HashType hashType, int length)
: base(hashType, length)
{
}
/// <inheritdoc /> protected override Task <PutResult> PutStreamCoreAsync(OperationContext operationContext, HashType hashType, Stream stream, UrgencyHint urgencyHint, Counter retryCounter) => Task.FromResult(new PutResult(new BoolResult(ErrorMessage)));
/// <inheritdoc />
public Task <PutResult> PutStreamAsync(Context context, HashType hashType, Stream stream, CancellationToken cts, UrgencyHint urgencyHint)
{
return(_innerCacheSession.PutStreamAsync(context, hashType, stream, cts, urgencyHint));
}
public static byte[] TransformFinalBlock(byte[] buffer, int offset, int count,
ref HashAlgorithm ha, HashType htype = HashType.MD5)
{
byte[] hash = null;
switch (htype)
{
case HashType.MD5:
MD5 md5;
if (ha == null)
{
md5 = MD5.Create();
ha = md5;
}
else
{
md5 = (MD5)ha;
}
md5.TransformFinalBlock(buffer, offset, count);
hash = md5.Hash;
md5.Dispose();
break;
case HashType.SHA1:
SHA1 sha1;
if (ha == null)
{
sha1 = SHA1.Create();
ha = sha1;
}
else
{
sha1 = (SHA1)ha;
}
sha1.TransformFinalBlock(buffer, offset, count);
hash = sha1.Hash;
sha1.Dispose();
break;
case HashType.SHA256:
SHA256 sha256;
if (ha == null)
{
sha256 = SHA256.Create();
ha = sha256;
}
else
{
sha256 = (SHA256)ha;
}
sha256.TransformFinalBlock(buffer, offset, count);
hash = sha256.Hash;
sha256.Dispose();
break;
case HashType.SHA384:
SHA384 sha384;
if (ha == null)
{
sha384 = SHA384.Create();
ha = sha384;
}
else
{
sha384 = (SHA384)ha;
}
sha384.TransformFinalBlock(buffer, offset, count);
hash = sha384.Hash;
sha384.Dispose();
break;
case HashType.SHA512:
SHA512 sha512;
if (ha == null)
{
sha512 = SHA512.Create();
ha = sha512;
}
else
{
sha512 = (SHA512)ha;
}
sha512.TransformFinalBlock(buffer, offset, count);
hash = sha512.Hash;
sha512.Dispose();
break;
default:
throw new HashException("invalid hash algorithm");
}
return(hash);
}
/// <summary>
/// Uninitialized content hash used with errors.
/// </summary>
public ContentHash(HashType hashType)
: this()
{
_hashType = hashType;
}
/// <summary>
/// Initializes a new instance of the <see cref="ContentHash" /> struct from bytes
/// </summary>
private ContentHash(HashType hashType, ReadOnlyFixedBytes bytes)
{
_hashType = hashType;
_bytes = bytes;
}
/// <summary>
/// Attempt to create from a known type and string (without type).
/// </summary>
public static bool TryParse(HashType hashType, string serialized, out ContentHash contentHash)
{
return(TryParse(hashType, serialized, out contentHash, null));
}
public static bool Compare(string original, string salt, string hashString, HashType hashType = DefaultHashType, Encoding encoding = null)
{
return(Compare(original + salt, hashString, hashType, encoding));
}
public MultihashAlgorithmExportAttribute(HashType code, string name, int defaultLength)
{
Code = code;
Name = name;
DefaultLength = defaultLength;
}
/// <summary>
/// Initializes a new instance of the <see cref="PutStreamCall{TTracer}"/> class.
/// </summary>
private PutStreamCall(TTracer tracer, OperationContext context, HashType hashType)
: this(tracer, context, new ContentHash(hashType))
{
}
// hash(master_secret + pad2 + hash(handshake_messages +
// Sender + master_secret + pad1));
public Ssl3HandshakeMac(HashType hash) : this(hash, null)
{
}
public HashAvGeneratorBase()
{
HashType = HashType.Sha512;
}
/// <inheritdoc />
public Task <PutResult> PutFileAsync(Context context, HashType hashType, AbsolutePath path, FileRealizationMode realizationMode, CancellationToken cts, UrgencyHint urgencyHint)
{
return(_innerCacheSession.PutFileAsync(context, hashType, path, realizationMode, cts, urgencyHint));
}
/// <summary>
/// Create a random value.
/// </summary>
public static Selector Random(HashType hashType = HashType.Vso0, int outputLength = 2)
{
byte[] output = outputLength == 0 ? null : ThreadSafeRandom.GetBytes(outputLength);
return(new Selector(ContentHash.Random(hashType), output));
}
/// <summary>
/// Create a random value.
/// </summary>
public static StrongFingerprint Random(
int weakFingerprintLength = Fingerprint.MaxLength, HashType selectorHashType = HashType.SHA1)
{
return(new StrongFingerprint(Fingerprint.Random(weakFingerprintLength), Selector.Random(selectorHashType)));
}
/// <inheritdoc />
protected override async Task <PutResult> PutStreamCoreAsync(OperationContext context, HashType hashType, Stream stream, UrgencyHint urgencyHint, Counter retryCounter)
{
if (hashType != RequiredHashType)
{
return(new PutResult(
new ContentHash(hashType),
$"DedupStore client requires {RequiredHashType}. Cannot take HashType '{hashType}'."));
}
try
{
var tempFile = TempDirectory.CreateRandomFileName().Path;
using (Stream writer = new FileStream(tempFile, FileMode.Create, FileAccess.Write, FileShare.None, 4096, FileOptions.Asynchronous | FileOptions.SequentialScan))
{
await stream.CopyToAsync(writer);
}
// Cast is necessary because ContentSessionBase implements IContentSession explicitly
return(await(this as IContentSession).PutFileAsync(context, hashType, new AbsolutePath(tempFile), FileRealizationMode.None, context.Token, urgencyHint));
}
catch (Exception e)
{
return(new PutResult(e, new ContentHash(hashType)));
}
}
/// <inheritdoc /> protected override Task <PutResult> PutFileCoreAsync(OperationContext operationContext, HashType hashType, AbsolutePath path, FileRealizationMode realizationMode, UrgencyHint urgencyHint, Counter retryCounter) => Task.FromResult(new PutResult(new BoolResult(ErrorMessage)));
public static byte[] GenerateSalt(HashType hashType = HashType.Scrypt)
{
//Note: the default hash type is Scrypt for now: to keep backward compatibility
return(hashType == HashType.Argon ? ArgonGenerateSalt() : ScryptGenerateSalt());
}
/// <inheritdoc />
protected override Task <PutResult> PutFileCoreAsync(OperationContext operationContext, HashType hashType, AbsolutePath path, FileRealizationMode realizationMode, UrgencyHint urgencyHint, Counter retryCounter)
{
return(MultiLevelWriteAsync(session => session.PutFileAsync(
operationContext,
hashType,
path,
CoerceRealizationMode(realizationMode, session),
operationContext.Token,
urgencyHint)));
}
public virtual void PutFileStart(Context context, AbsolutePath path, FileRealizationMode mode, HashType hashType, bool trusted)
{
// Don't trace starts to reduce the amount of traces.
_putFileCallCounter.Started();
}
/// <summary>
/// Initializes a new instance of the <see cref="HashInfo" /> class.
/// </summary>
protected HashInfo(HashType hashType, int length)
{
HashType = hashType;
ByteLength = length;
}
/// <inheritdoc />
protected override Task <PutResult> PutStreamCoreAsync(OperationContext operationContext, HashType hashType, Stream stream, UrgencyHint urgencyHint, Counter retryCounter)
{
return(MultiLevelWriteAsync(session => session.PutStreamAsync(operationContext, hashType, stream, operationContext.Token, urgencyHint)));
}
internal AssuredStreamCreateArgs(StrongNameKey strongName, string fileType, HashType hashType)
{
StrongNameKey = strongName;
FileType = fileType;
HashType = hashType;
}
// hash(MAC_write_secret + pad_2 +
// hash (MAC_write_secret + pad_1 + seq_num + length + content));
public Ssl3RecordMAC(HashType hash) : this(hash, null)
{
}
public static bool Compare(string original, string hashString, HashType hashType = DefaultHashType, Encoding encoding = null)
{
string originalHash = Get(original, hashType, encoding);
return(originalHash == hashString);
}
public static string Get(string text, string salt, HashType hashType = DefaultHashType, Encoding encoding = null)
{
return(Get(text + salt, hashType, encoding));
}
/// <nodoc />
public static ContentHash FromFixedBytes(HashType hashType, ReadOnlyFixedBytes bytes)
{
return(new ContentHash(hashType, bytes));
}
public virtual void PutStreamStart(Context context, HashType hashType)
{
// Don't trace starts to reduce the amount of traces.
_putStreamCallCounter.Started();
}