/// <summary>A helper class to sha1 hash all the strings in a collection</summary>
/// <param name="nquads"></param>
/// <returns></returns>
private static string Sha1hash(ICollection <string> nquads)
{
#if !PORTABLE
try
{
// create SHA-1 digest
MessageDigest md = MessageDigest.GetInstance("SHA-1");
foreach (string nquad in nquads)
{
md.Update(JsonLD.JavaCompat.GetBytesForString(nquad, "UTF-8"));
}
return(EncodeHex(md.Digest()));
}
//catch (NoSuchAlgorithmException e)
//{
// throw new Exception(e);
//}
catch
{
throw;
}
#else
throw new PlatformNotSupportedException();
#endif
}
private string GetCurrentSignatureForPackage(string packageName)
{
try
{
PackageInfo info = Application.Context.PackageManager.GetPackageInfo(packageName,
PackageInfoFlags.Signatures);
#pragma warning disable CS0618 // Type or member is obsolete - https://github.com/AzureAD/microsoft-authentication-library-for-dotnet/issues/1854
if (info != null && info.Signatures != null && info.Signatures.Count > 0)
{
Signature signature = info.Signatures[0];
MessageDigest md = MessageDigest.GetInstance("SHA");
md.Update(signature.ToByteArray());
return(Convert.ToBase64String(md.Digest(), Base64FormattingOptions.None));
// Server side needs to register all other tags. ADAL will
// send one of them.
}
#pragma warning restore CS0618 // Type or member is obsolete
}
catch (PackageManager.NameNotFoundException)
{
_logger.Info("Calling App's package does not exist in PackageManager");
}
catch (NoSuchAlgorithmException)
{
_logger.Info("Digest SHA algorithm does not exists");
}
return(null);
}
/** Return the MD5 hash of a string. */
private String md5(String str)
{
// Old devices have a bug where OpenSSL can leave MessageDigest in a bad state, but trying
// multiple times seems to clear it.
for (int i = 0; i < 3 /** max attempts */; ++i)
{
try
{
MessageDigest _md5 = MessageDigest.GetInstance("MD5");
_md5.Update(Encoding.ASCII.GetBytes(str));
return(new BigInteger(1, _md5.Digest()).ToString(16)
.ToUpper().PadLeft(32, '0'));
}
catch (NoSuchAlgorithmException e)
{
// Try again.
Log.Error(TAG, e.Message);
}
catch (ArithmeticException ex)
{
Log.Error(TAG, ex.Message);
return(null);
}
}
return(null);
}
protected override void OnCreate(Bundle bundle)
{
TabLayoutResource = Resource.Layout.Tabbar;
ToolbarResource = Resource.Layout.Toolbar;
base.OnCreate(bundle);
FacebookSdk.SdkInitialize(this);
CarouselViewRenderer.Init();
CrossCurrentActivity.Current.Init(this, bundle);
FFImageLoading.Forms.Platform.CachedImageRenderer.Init(true);
global::Xamarin.Forms.Forms.Init(this, bundle);
LoadApplication(new App());
//NEDS for get correct debug keyhash
PackageInfo info = this.PackageManager.GetPackageInfo("com.impressolabs.Impresso", PackageInfoFlags.Signatures);
foreach (Android.Content.PM.Signature signature in info.Signatures)
{
MessageDigest md = MessageDigest.GetInstance("SHA");
md.Update(signature.ToByteArray());
string keyhash = Convert.ToBase64String(md.Digest());
Console.WriteLine("KeyHash:", keyhash);
}
}
public static string GetSHA1(Android.Content.Context ctx)
{
string result = string.Empty;
try
{
var info = ctx.PackageManager.GetPackageInfo(ctx.PackageName, Android.Content.PM.PackageInfoFlags.Signatures);
var cert = info.Signatures[0].ToByteArray();
var md = MessageDigest.GetInstance("SHA1");
var publicKey = md.Digest(cert);
Java.Lang.StringBuffer hexString = new Java.Lang.StringBuffer();
for (int i = 0; i < publicKey.Length; i++)
{
string appendString = new Java.Lang.String(String.Format("{0:X}", (0xFF & publicKey[i]))).ToUpperCase(Java.Util.Locale.Us);
if (appendString.Length == 1)
{
hexString.Append("0");
}
hexString.Append(appendString);
hexString.Append(":");
}
result = hexString.ToString();
result = result.Substring(0, result.Length - 1);
}
catch (Exception ex)
{
return(ex.Message);
}
return(result);
}
public FileHandle(string s)
{
MessageDigest digest;
try
{
digest = MessageDigest.GetInstance("MD5");
handle = new byte[HandleLen];
}
catch (NoSuchAlgorithmException)
{
Log.Warn("MD5 MessageDigest unavailable.");
handle = null;
return;
}
byte[] @in = Runtime.GetBytesForString(s, Charsets.Utf8);
digest.Update(@in);
byte[] digestbytes = digest.Digest();
for (int i = 0; i < 16; i++)
{
handle[i] = unchecked ((byte)0);
}
for (int i_1 = 16; i_1 < 32; i_1++)
{
handle[i_1] = digestbytes[i_1 - 16];
}
}
public static BlobKey KeyForBlobFromFile(FilePath file)
{
MessageDigest md;
try
{
md = MessageDigest.GetInstance("SHA-1");
}
catch (NoSuchAlgorithmException)
{
Log.E(Log.TagBlobStore, "Error, SHA-1 digest is unavailable.");
return(null);
}
byte[] sha1hash = new byte[40];
try
{
FileInputStream fis = new FileInputStream(file);
byte[] buffer = new byte[65536];
int lenRead = fis.Read(buffer);
while (lenRead > 0)
{
md.Update(buffer, 0, lenRead);
lenRead = fis.Read(buffer);
}
fis.Close();
}
catch (IOException)
{
Log.E(Log.TagBlobStore, "Error readin tmp file to compute key");
}
sha1hash = md.Digest();
BlobKey result = new BlobKey(sha1hash);
return(result);
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
uiHelper = new UiLifecycleHelper(this, callback);
uiHelper.OnCreate(savedInstanceState);
var info = PackageManager.GetPackageInfo("com.sammdesmond.popPIC", Android.Content.PM.PackageInfoFlags.Signatures);
foreach (var signature in info.Signatures)
{
MessageDigest me = MessageDigest.GetInstance("SHA");
me.Update(signature.ToByteArray());
var s = Base64.EncodeToString(me.Digest(), Base64Flags.Default);
Log.Error("ssl key", s);
// ShowAlert ("Danny ignore this", s);
}
SetContentView(Resource.Layout.loginPage);
loginButton = (LoginButton)FindViewById(Resource.Id.login_button);
loginButton.UserInfoChangedCallback = new MyUserInfoChangedCallback(this);
loginButton.LoginBehavior = SessionLoginBehavior.SsoWithFallback;
greeting = FindViewById <TextView> (Resource.Id.greeting);
var activeSession = Session.OpenActiveSessionFromCache(this);
if (activeSession != null && activeSession.IsOpened)
{
// Do somethign interesting!
}
}
protected override void OnCreate(Bundle savedInstanceState)
{
try
{
PackageInfo info = Android.App.Application.Context.PackageManager.GetPackageInfo(Android.App.Application.Context.PackageName, PackageInfoFlags.Signatures);
foreach (var signature in info.Signatures)
{
MessageDigest md = MessageDigest.GetInstance("SHA");
md.Update(signature.ToByteArray());
System.Diagnostics.Debug.WriteLine(Convert.ToBase64String(md.Digest()));
}
}
catch (NoSuchAlgorithmException e)
{
System.Diagnostics.Debug.WriteLine(e);
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine(e);
}
TabLayoutResource = Resource.Layout.Tabbar;
ToolbarResource = Resource.Layout.Toolbar;
base.OnCreate(savedInstanceState);
Xamarin.Essentials.Platform.Init(this, savedInstanceState);
global::Xamarin.Forms.Forms.Init(this, savedInstanceState);
LoadApplication(new App());
}
private static String Hash(string packageName, string signature)
{
string appInfo = packageName + " " + signature;
try
{
MessageDigest messageDigest = MessageDigest.GetInstance(HASH_TYPE);
byte[] input = Encoding.UTF8.GetBytes(appInfo);
messageDigest.Update(input);
byte[] hashSignature = messageDigest.Digest();
// truncated into NUM_HASHED_BYTES
//hashSignature = Arrays.copyOfRange(hashSignature, 0, NUM_HASHED_BYTES);
Array.Copy(hashSignature, hashSignature, NUM_HASHED_BYTES);
// encode into Base64
string base64Hash = Base64.EncodeToString(hashSignature, Base64Flags.NoPadding | Base64Flags.NoWrap);
base64Hash = base64Hash.Substring(0, NUM_BASE64_CHAR);
Log.Debug(TAG, string.Format("pkg: %s -- hash: %s", packageName, base64Hash));
return(base64Hash);
}
catch (NoSuchAlgorithmException exp)
{
Log.Error(TAG, "hash:NoSuchAlgorithm", exp);
}
catch (System.Exception exp)
{
Log.Error(TAG, "hash:Exception", exp);
}
return(null);
}
public string hashCal(string type, string str)
{
StringBuffer hexString = new StringBuffer();
try
{
MessageDigest digestTxID = null;
digestTxID = MessageDigest.GetInstance(type);
digestTxID.Reset();
digestTxID.Update(Encoding.ASCII.GetBytes(str.ToString()));
byte[] messageDigest = digestTxID.Digest();
for (int i = 0; i < messageDigest.Length; i++)
{
string hex = Integer.ToHexString(0xFF & messageDigest[i]);
if (hex.Length == 1)
{
hexString.Append("0");
}
hexString.Append(hex);
}
}
catch (NoSuchAlgorithmException nsae) { }
return(hexString.ToString());
}
public Certificate(string host, SslCertificate certificate)
{
_host = host;
// A really circuitous path to getting the public key data.
var bundle = SslCertificate.SaveState(certificate);
var bytes = bundle.GetByteArray("x509-certificate");
var factory = CertificateFactory.GetInstance("X.509");
var x509Certificate = factory.GenerateCertificate(new MemoryStream(bytes));
var messageDigest = MessageDigest.GetInstance("SHA-1");
messageDigest.Update(x509Certificate.GetEncoded());
_hashBytes = messageDigest.Digest();
var encodedBytes = x509Certificate.PublicKey.GetEncoded();
// The encoded public key uses the ASN.1 encoded SubjectPublicKeyInfo structure.
// The .Net X509Certificate class, which we use on iOS, gives us a subset of that
// data (sans the header). Therefore we strip off the header to get the same data
// on both platforms.
var publicKeyLength = encodedBytes.Length - SubjectPublicKeyInfoHeaderLength;
var publicKeyBytes = new byte[publicKeyLength];
Array.Copy(encodedBytes, SubjectPublicKeyInfoHeaderLength, publicKeyBytes, 0, publicKeyLength);
_publicKeyBytes = publicKeyBytes;
_hashString = new Lazy <string>(() => ByteArrayToHexString(_hashBytes));
_publicKeyString = new Lazy <string>(() => ByteArrayToHexString(_publicKeyBytes));
}
public static BlobKey KeyForBlobFromFile(FileInfo file)
{
MessageDigest md;
try {
md = MessageDigest.GetInstance("SHA-1");
} catch (NoSuchAlgorithmException) {
Log.E(Database.TAG, "Error, SHA-1 digest is unavailable.");
return(null);
}
byte[] sha1hash = new byte[40];
try {
var fis = new FileStream(file.FullName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
byte[] buffer = new byte[65536];
int lenRead = fis.Read(buffer, 0, buffer.Length);
while (lenRead > 0)
{
md.Update(buffer, 0, lenRead);
lenRead = fis.Read(buffer, 0, buffer.Length);
}
fis.Close();
} catch (IOException) {
Log.E(Database.TAG, "Error readin tmp file to compute key");
}
sha1hash = md.Digest();
BlobKey result = new BlobKey(sha1hash);
return(result);
}
public static string md5(string str)
{
MessageDigest md5 = null;
try
{
md5 = MessageDigest.GetInstance("MD5");
byte[] bytes = md5.Digest(System.Text.Encoding.Default.GetBytes(str));
string result = "";
foreach (byte b in bytes)
{
string temp = Java.Lang.Integer.ToHexString(b & 0xff);
if (temp.Length == 1)
{
temp = "0" + temp;
}
result += temp;
}
return(result);
}
catch (NoSuchAlgorithmException e)
{
}
return("");
}
private string GetCurrentSignatureForPackage(string packageName)
{
try
{
PackageInfo info = Application.Context.PackageManager.GetPackageInfo(packageName,
PackageInfoFlags.Signatures);
if (info != null && info.Signatures != null && info.Signatures.Count > 0)
{
Signature signature = info.Signatures[0];
MessageDigest md = MessageDigest.GetInstance("SHA");
md.Update(signature.ToByteArray());
return(Convert.ToBase64String(md.Digest(), Base64FormattingOptions.None));
// Server side needs to register all other tags. ADAL will
// send one of them.
}
}
catch (PackageManager.NameNotFoundException)
{
_logger.Info("Calling App's package does not exist in PackageManager");
}
catch (NoSuchAlgorithmException)
{
_logger.Info("Digest SHA algorithm does not exists");
}
return(null);
}
private int CreateSsrc(string hostName)
{
try
{
ObjectIDGenerator obGen = new ObjectIDGenerator();
MessageDigest md = MessageDigest.GetInstance("MD5");
md.Update(Encoding.GetEncoding("UTF-8").GetBytes(Convert.ToString(new Date().Time).ToCharArray()));
md.Update(Encoding.GetEncoding("UTF-8").GetBytes(Convert.ToString(obGen.ToString().ToCharArray())));
md.Update(Encoding.GetEncoding("UTF-8").GetBytes(Paths.Get("").ToAbsolutePath().Normalize().ToString().ToCharArray()));
md.Update(Encoding.GetEncoding("UTF-8").GetBytes(hostName.ToCharArray()));
byte[] md5 = md.Digest();
int ssrc = 0;
ByteBuffer byteBuffer = ByteBuffer.Wrap(md5);
for (int i = 0; i < 3; i++)
{
ssrc ^= byteBuffer.Int;
}
return(ssrc);
}
catch (NoSuchAlgorithmException e)
{
throw new RuntimeException("Could not get MD5 algorithm", e);
}
}
/**
* Helps identify the source file
*/
private static String GetFileMD5(File f)
{
MessageDigest m;
try
{
m = MessageDigest.GetInstance("MD5");
}
catch (NoSuchAlgorithmException e)
{
throw new RuntimeException(e);
}
byte[] buf = new byte[2048];
try
{
InputStream is1 = new FileInputStream(f);
while (true)
{
int bytesRead = is1.Read(buf);
if (bytesRead < 1)
{
break;
}
m.update(buf, 0, bytesRead);
}
is1.Close();
}
catch (IOException e)
{
throw new RuntimeException(e);
}
return("0x" + new Bigint(1, m.digest()).ToString(16));
}
public static byte[] GetNtlm2Response(byte[] nTowFv1, byte[] serverChallenge, byte
[] clientChallenge)
{
byte[] sessionHash = new byte[8];
try
{
MessageDigest md5;
md5 = MessageDigest.GetInstance("MD5");
md5.Update(serverChallenge);
md5.Update(clientChallenge, 0, 8);
Array.Copy(md5.Digest(), 0, sessionHash, 0, 8);
}
catch (Exception gse)
{
if (_log.Level > 0)
{
Runtime.PrintStackTrace(gse, _log);
}
throw new RuntimeException("MD5", gse);
}
byte[] key = new byte[21];
Array.Copy(nTowFv1, 0, key, 0, 16);
byte[] ntResponse = new byte[24];
E(key, sessionHash, ntResponse);
return(ntResponse);
}
public static string Calculate(IDictionary <string, string> components, Func <string, MessageDigest, bool> passwordDigestBlock)
{
MessageDigest ha1md5 = MessageDigest.GetInstance("md5");
MessageDigest ha2md5 = MessageDigest.GetInstance("md5");
MessageDigest responsemd5 = MessageDigest.GetInstance("md5");
var ha1Str = String.Format("{0}:{1}:", components.Get("username"), components.Get("realm"));
ha1md5.Update(Encoding.UTF8.GetBytes(ha1Str));
if (!passwordDigestBlock(components.Get("username"), ha1md5))
{
Log.To.Listener.W(TAG, "No password entered from passwordDigestBlock");
return(null);
}
var ha1 = BitConverter.ToString(ha1md5.Digest()).Replace("-", "").ToLowerInvariant();
var ha2Str = String.Format("{0}:{1}", components.Get("method"), components.Get("uri"));
ha2md5.Update(Encoding.UTF8.GetBytes(ha2Str));
var ha2 = BitConverter.ToString(ha2md5.Digest()).Replace("-", "").ToLowerInvariant();
var responseStr = String.Format("{0}:{1}:{2}:{3}:{4}:{5}", ha1, components.Get("nonce"), components.Get("nc"),
components.Get("cnonce"), components.Get("qop"), ha2);
responsemd5.Update(Encoding.UTF8.GetBytes(responseStr));
return(BitConverter.ToString(responsemd5.Digest()).Replace("-", "").ToLowerInvariant());
}
public static BlobKey KeyForBlobFromFile(string file)
{
MessageDigest md;
try {
md = MessageDigest.GetInstance("SHA-1");
} catch (NotSupportedException) {
Log.To.Database.E(TAG, "Error, SHA-1 digest is unavailable.");
return(null);
}
byte[] sha1hash = new byte[40];
try {
using (var fis = new FileStream(file, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)) {
byte[] buffer = new byte[65536];
int lenRead = fis.Read(buffer, 0, buffer.Length);
while (lenRead > 0)
{
md.Update(buffer, 0, lenRead);
lenRead = fis.Read(buffer, 0, buffer.Length);
}
}
} catch (IOException e) {
Log.To.Database.E(TAG, "Error reading tmp file to compute key (returning null)", e);
return(null);
}
sha1hash = md.Digest();
BlobKey result = new BlobKey(sha1hash);
return(result);
}
/// <exception cref="SharpCifs.Smb.SmbException"></exception>
public SigningDigest(SmbTransport transport, NtlmPasswordAuthentication auth)
{
try
{
_digest = MessageDigest.GetInstance("MD5");
}
catch (NoSuchAlgorithmException ex)
{
if (Log.Level > 0)
{
Runtime.PrintStackTrace(ex, Log);
}
throw new SmbException("MD5", ex);
}
try
{
switch (SmbConstants.LmCompatibility)
{
case 0:
case 1:
case 2:
{
_macSigningKey = new byte[40];
auth.GetUserSessionKey(transport.Server.EncryptionKey, _macSigningKey, 0);
Array.Copy(auth.GetUnicodeHash(transport.Server.EncryptionKey), 0, _macSigningKey
, 16, 24);
break;
}
case 3:
case 4:
case 5:
{
_macSigningKey = new byte[16];
auth.GetUserSessionKey(transport.Server.EncryptionKey, _macSigningKey, 0);
break;
}
default:
{
_macSigningKey = new byte[40];
auth.GetUserSessionKey(transport.Server.EncryptionKey, _macSigningKey, 0);
Array.Copy(auth.GetUnicodeHash(transport.Server.EncryptionKey), 0, _macSigningKey
, 16, 24);
break;
}
}
}
catch (Exception ex)
{
throw new SmbException(string.Empty, ex);
}
if (Log.Level >= 5)
{
Log.WriteLine("LM_COMPATIBILITY=" + SmbConstants.LmCompatibility);
Hexdump.ToHexdump(Log, _macSigningKey, 0, _macSigningKey.Length);
}
}
/// <exception cref="System.Exception"/>
public static MD5Hash GetTestHash()
{
MessageDigest digest = MessageDigest.GetInstance("MD5");
byte[] buffer = new byte[1024];
Random.NextBytes(buffer);
digest.Update(buffer);
return(new MD5Hash(digest.Digest()));
}
/// <exception cref="System.Exception"></exception>
public virtual void Init()
{
try
{
md = MessageDigest.GetInstance("SHA-1");
}
catch (Exception e)
{
System.Console.Error.WriteLine(e);
}
}
static MD5Filter()
{
try
{
Digester = MessageDigest.GetInstance("MD5");
}
catch (NoSuchAlgorithmException e)
{
throw new RuntimeException(e);
}
}
/** Needed for the Digest Access Authentication. */
private System.String computeMd5Hash(Java.Lang.String buffer)
{
MessageDigest md;
try {
md = MessageDigest.GetInstance("MD5");
return(bytesToHex(md.Digest(buffer.GetBytes("UTF-8"))));
} catch (NoSuchAlgorithmException ignore) {
} catch (UnsupportedEncodingException e) {}
return("");
}
private string GetThumbprintSha256(X509Certificate certificate)
{
var messageDigest = MessageDigest.GetInstance("SHA-256");
var bytes = certificate.GetEncoded();
messageDigest.Update(bytes);
var digest = messageDigest.Digest();
return(digest.Aggregate(String.Empty, (str, hashByte) => str + hashByte.ToString("x2")));
}
private static MessageDigest NewMD5()
{
try
{
return(MessageDigest.GetInstance("MD5"));
}
catch (NoSuchAlgorithmException e)
{
throw new RuntimeException(JGitText.Get().JRELacksMD5Implementation, e);
}
}
private static MessageDigest NewMD5()
{
try
{
return(MessageDigest.GetInstance("MD5"));
}
catch (NoSuchAlgorithmException e)
{
throw new RuntimeException("No MD5 available", e);
}
}
/// <summary>Create a new digest function for objects.</summary>
/// <remarks>Create a new digest function for objects.</remarks>
/// <returns>a new digest object.</returns>
/// <exception cref="Sharpen.RuntimeException">
/// this Java virtual machine does not support the required hash
/// function. Very unlikely given that JGit uses a hash function
/// that is in the Java reference specification.
/// </exception>
public static MessageDigest NewMessageDigest()
{
try
{
return(MessageDigest.GetInstance(HASH_FUNCTION));
}
catch (NoSuchAlgorithmException nsae)
{
throw new RuntimeException(MessageFormat.Format(JGitText.Get().requiredHashFunctionNotAvailable
, HASH_FUNCTION), nsae);
}
}
protected override void OnCreate(Bundle savedInstanceState)
{
var density = Resources.DisplayMetrics.Density;
App.screenWidth = Resources.DisplayMetrics.WidthPixels / density;
App.screenHeight = Resources.DisplayMetrics.HeightPixels / density;
if (Xamarin.Forms.Device.Idiom == TargetIdiom.Phone)
{
App.screenHeight = (16 * App.screenWidth) / 9;
}
if (Xamarin.Forms.Device.Idiom == TargetIdiom.Tablet)
{
App.screenWidth = (9 * App.screenHeight) / 16;
}
try
{
PackageInfo info = Android.App.Application.Context.PackageManager.GetPackageInfo(Android.App.Application.Context.PackageName, PackageInfoFlags.Signatures);
foreach (var signature in info.Signatures)
{
MessageDigest md = MessageDigest.GetInstance("SHA");
md.Update(signature.ToByteArray());
System.Diagnostics.Debug.WriteLine("helloWorld");
System.Diagnostics.Debug.WriteLine(Convert.ToBase64String(md.Digest()));
}
}
catch (NoSuchAlgorithmException e)
{
System.Diagnostics.Debug.WriteLine(e);
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine(e);
}
PrintHashKey(this);
FacebookSdk.ApplicationId = "244197793511500";
FacebookSdk.SdkInitialize(this);
FacebookClientManager.Initialize(this);
TabLayoutResource = Resource.Layout.Tabbar;
ToolbarResource = Resource.Layout.Toolbar;
FirebaseApp.InitializeApp(this);
base.OnCreate(savedInstanceState);
GoogleClientManager.Initialize(this);
Xamarin.Essentials.Platform.Init(this, savedInstanceState);
global::Xamarin.Forms.Forms.Init(this, savedInstanceState);
LoadApplication(new App());
}
