您可以从SHA-1密钥获得密钥哈希。 这很简单，你需要得到你的SHA-1(签名APK)密钥从Play Store检查下图。

现在复制SHA-1密钥并在这个网站http://tomeko.net中过去，也检查下面的图像以获得您的密钥哈希。

以下是步骤

Download openssl from Google code (If you have a 64 bit machine you must download openssl-0.9.8e X64 not the latest version) Extract it. create a folder- OpenSSL in C:/ and copy the extracted code here. detect debug.keystore file path. If u didn't find, then do a search in C:/ and use the Path in the command in next step. detect your keytool.exe path and go to that dir/ in command prompt and run this command in 1 line- $ keytool -exportcert -alias androiddebugkey -keystore "C:\Documents and Settings\Administrator.android\debug.keystore" | "C:\OpenSSL\bin\openssl" sha1 -binary |"C:\OpenSSL\bin\openssl" base64 it will ask for password, put android that's all. u will get a key-hash

欲了解更多信息，请访问这里

下载openSSL ->安装它->通常会安装在C:\ openSSL

然后打开CMD并键入

cd../../Program Files (Enter)

java (Enter)

dir (Enter)

cd jdk1.6.0_17 (varies with jdk versions) (Enter)

查看jdk版本到C:/program files/java/jdk_version

cd bin (enter)

keytool -exportcert -alias androiddebugkey -keystore C:Users\Shalini\.android\debug.keystore | "C:\OpenSSL\bin\openssl sha1 -binary | "C:\OpenSSL\bin\openssl base64 (Enter)

它会问你密码是android。

试试这个:

两种方法来获得哈希键值

1)从命令行获取哈希键(官方文档:https://developers.facebook.com/docs/android/getting-started)

keytool -exportcert -alias androiddebugkey -keystore %HOMEPATH%\.android\debug.keystore | openssl sha1 -binary | openssl
base64

OR

2)获取哈希键使用代码

  @Override
   protected void onCreate(Bundle savedInstanceState) {
           super.onCreate(savedInstanceState);
           setContentView(R.layout.activity_main);

            //Hask Kay generation 
             GetKeyHase();
    }

    private void GetKeyHase() {
            try {
                PackageInfo info = getPackageManager().getPackageInfo("ADD YOUR PACKAGE NAME", PackageManager.GET_SIGNATURES);
                for (Signature signature : info.signatures) {
                    MessageDigest md = (MessageDigest.getInstance("SHA"));
                    md.update(signature.toByteArray());
                    String hashkey_value = new String(Base64.encode(md.digest(), 0));
                    Log.e("hash key", hashkey_value);
                    //check you logcat hash key value
                }
            }catch (Exception e) {
                Log.e("exception", e.toString());
            }
        }

我已经这样做了Linux操作系统和Windows操作系统:

Linux:

下载Openssl 打开终端 keytool -exportcert -alias **myaliasname** -keystore **/home/comp-1/Desktop/mykeystore. xmlJks ** | openssl sha1 -binary | openssl base64

请更改别名和Keystore与它的路径作为您的要求。

终端将询问密钥库的密码。您必须为相同的密钥存储库提供密码。

最后你会得到Release Hashkey。

窗口:

释放Hashkey的步骤:

下载Openssl(从这里下载)，我已经下载了64位操作系统，你可以在这里找到更多 解压下载的zip文件到C:只\驱动器 打开命令提示符 "C:\Users\hiren.patel\Desktop\mykeystore. keytool -exportcert -alias **myaliasname** -keystore **"\openssl-0.9.8e_X64\bin\openssl.exe" sha1 -二进制| "C:\openssl-0.9.8e_X64\bin\openssl.exe" base64

请更改别名和Keystore与它的路径作为您的要求。

注意:请将您的详细信息放在我标记的** **之间。

终端将询问密钥库的密码。您必须为相同的密钥存储库提供密码。

最后你会得到Release Hashkey。

Done

facebook开发者网站上的官方文件:

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    // Add code to print out the key hash
    try {
        PackageInfo info = getPackageManager().getPackageInfo(
                "com.facebook.samples.hellofacebook", 
                PackageManager.GET_SIGNATURES);
        for (Signature signature : info.signatures) {
            MessageDigest md = MessageDigest.getInstance("SHA");
            md.update(signature.toByteArray());
            Log.d("KeyHash:", Base64.encodeToString(md.digest(), Base64.DEFAULT));
            }
    } catch (NameNotFoundException e) {

    } catch (NoSuchAlgorithmException e) {

    }