java Obtener el Hash Key Android App facebook

Posted 2021-05-08

1. Descargar: https://code.google.com/p/openssl-for-windows/downloads/list
2. Extarer en ``C:\OpenSSL``
3. Abrir CMD y ejecutar:
```
keytool.exe -exportcert -alias androiddebugkey -keystore C:\Users\[USUARIO]\.android\debug.keystore | C:\OpenSSL\bin\openssl sha1 -binary | C:\OpenSSL\bin\openssl base64

```
    
 Contraseña:  ``android``

try {
            PackageInfo info = getPackageManager().getPackageInfo(
                    "com.cyancode.apps.trueke",
                    PackageManager.GET_SIGNATURES);
            for (Signature signature : info.signatures) {
                MessageDigest md = MessageDigest.getInstance("SHA");
                md.update(signature.toByteArray());
                Log.e("TRUEKE", "KeyHash: " + Base64.encodeToString(md.digest(), Base64.DEFAULT));
            }
        } catch (PackageManager.NameNotFoundException e) {

        } catch (NoSuchAlgorithmException e) {

        }