blocks|key|2036238|text|如果您想要单点登录，则只需执行此操作。不过，下面是详细信息：Key+hash+for+Facebook+Android+SDK|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|2036239|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/4347924/key-hash-for-facebook-android-sdk^0|U|X|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

You only need to do this if you want single sign-on. Here's the details though: <a href="https://stackoverflow.com/questions/4347924/key-hash-for-facebook-android-sdk">Key hash for Facebook Android SDK</a>

blocks|key|5563922|text|为了生成密钥散列，您需要遵循一些简单的步骤。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5563923|5563924|从以下位置下载openssl：http://code.google.com/p/openssl-for-windows/downloads/list|ordered-list-item|offset|length|5563925|Make+c驱动器中的openssl文件夹|5563926|将压缩文件解压到Openssl文件夹|5563927|在我的情况下从JDK文件夹复制文件(在我的情况下为|5563928|)并粘贴到JDK+bin文件夹中(在我的情况下为C：\Program+Files\Java\jdk1.6.0_05\bin)|5563929|Open命令提示符，在我的情况下为JDK+.android文件夹提供路径)+(C:\Program+Files\Java\jdk1.6.0_05\bin)|5563930|Open代码并按回车键|5563931|5563932|debug.txt|5563933|Now+debug_sha.txt|unordered-list-item|5563934|
|5563935|you+-exportcert+-alias+androiddebugkey+-keystore+debug.keystore+>+c:\openssl\bin\debug.txt|5563936|5563937|Now您需要输入密码，password+=android。|5563938|5563939|在openssl+Bin文件夹中您将获得一个名为debug_sha.txt|5563940|5563941|you的文件您可以重新启动命令提示符或使用现有命令提示符|5563942|5563943|转到C盘并给出openssl+Bin文件夹的路径|5563944|5563945|复制以下代码并粘贴openssl+sha1+-binary+debug.txt+>|5563946|5563947|5563948|5563949|5563950|
+debug_sha.txt+in+openssl+bin文件夹|5563951|entityMap|0|LINK|mutability|MUTABLE|url|http://code.google.com/p/openssl-for-windows/downloads/list^0|0|0|F|1N|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|1W|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|1X|8|@]|9|@]|A|$]]|$1|C|3|D|5|E|7|1Y|8|@]|9|@$F|1Z|G|20|1|21]]|A|$]]|$1|H|3|I|5|E|7|22|8|@]|9|@]|A|$]]|$1|J|3|K|5|E|7|23|8|@]|9|@]|A|$]]|$1|L|3|M|5|E|7|24|8|@]|9|@]|A|$]]|$1|N|3|O|5|6|7|25|8|@]|9|@]|A|$]]|$1|P|3|Q|5|E|7|26|8|@]|9|@]|A|$]]|$1|R|3|S|5|E|7|27|8|@]|9|@]|A|$]]|$1|T|3|-4|5|6|7|28|8|@]|9|@]|A|$]]|$1|U|3|V|5|6|7|29|8|@]|9|@]|A|$]]|$1|W|3|X|5|Y|7|2A|8|@]|9|@]|A|$]]|$1|Z|3|10|5|6|7|2B|8|@]|9|@]|A|$]]|$1|11|3|12|5|Y|7|2C|8|@]|9|@]|A|$]]|$1|13|3|10|5|6|7|2D|8|@]|9|@]|A|$]]|$1|14|3|15|5|Y|7|2E|8|@]|9|@]|A|$]]|$1|16|3|10|5|6|7|2F|8|@]|9|@]|A|$]]|$1|17|3|18|5|Y|7|2G|8|@]|9|@]|A|$]]|$1|19|3|10|5|6|7|2H|8|@]|9|@]|A|$]]|$1|1A|3|1B|5|Y|7|2I|8|@]|9|@]|A|$]]|$1|1C|3|10|5|6|7|2J|8|@]|9|@]|A|$]]|$1|1D|3|1E|5|Y|7|2K|8|@]|9|@]|A|$]]|$1|1F|3|10|5|6|7|2L|8|@]|9|@]|A|$]]|$1|1G|3|1H|5|Y|7|2M|8|@]|9|@]|A|$]]|$1|1I|3|10|5|6|7|2N|8|@]|9|@]|A|$]]|$1|1J|3|-4|5|Y|7|2O|8|@]|9|@]|A|$]]|$1|1K|3|10|5|6|7|2P|8|@]|9|@]|A|$]]|$1|1L|3|-4|5|Y|7|2Q|8|@]|9|@]|A|$]]|$1|1M|3|1N|5|6|7|2R|8|@]|9|@]|A|$]]|$1|1O|3|-4|5|6|7|2S|8|@]|9|@]|A|$]]]|1P|$1Q|$5|1R|1S|1T|A|$1U|1V]]]]

In order to generate key hash you need to follow some easy steps.

<ol>
<li>Download Openssl from: <a href="http://code.google.com/p/openssl-for-windows/downloads/list">http://code.google.com/p/openssl-for-windows/downloads/list</a></li>
<li>Make a openssl folder in C drive</li>
<li>Extract Zip files into openssl folder</li>
<li>Copy the File debug.keystore from .android folder in my case (C:\Users\SYSTEM.android) and paste into JDK bin Folder in my case (C:\Program Files\Java\jdk1.6.0_05\bin)</li>
<li>Open command prompt and give the path of JDK Bin folder in my case (C:\Program Files\Java\jdk1.6.0_05\bin).</li>
<li>Copy the code and hit enter 

<pre><code>keytool -exportcert -alias androiddebugkey -keystore debug.keystore &gt; c:\openssl\bin\debug.txt
</code></pre></li>
<li>Now you need to enter password, Password = android.</li>
<li>See in openssl Bin folder you will get a file with the name of debug.txt</li>
<li>Now either you can restart command prompt or work with existing command prompt</li>
<li>comes to C drive and give the path of openssl Bin folder</li>
<li>copy the following code and paste 
openssl sha1 -binary debug.txt > debug_sha.txt</li>
<li>you will get debug_sha.txt in openssl bin folder</li>
</ol>

blocks|key|1635128|text|在您的终端(mac)中键入以下内容|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1635129|keytool+-exportcert+-alias+androiddebugkey+-keystore+~/.android/debug.keystore+%7C+openssl+sha1+-binary+%7C+openssl+base64|code-block|syntax|javascript|1635130|或者将这个放入控制台(windows)|1635131|keytool+-exportcert+-alias+androiddebugkey+-keystore+%25HOMEPATH%25\.android\debug.keystore+%7C+openssl+sha1+-binary+%7C+openssl+base64|1635132|您必须输入密码。密码是:+android|1635133|一个代码就会出现，这个代码就是你的密钥哈希。|1635134|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|S|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|U|8|@]|9|@]|A|$]]|$1|M|3|N|5|6|7|V|8|@]|9|@]|A|$]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

Type this in your terminal (mac)

<pre><code>keytool -exportcert -alias androiddebugkey -keystore ~/.android/debug.keystore | openssl sha1 -binary | openssl base64
</code></pre>

Or this into the console (windows)

<pre><code>keytool -exportcert -alias androiddebugkey -keystore %HOMEPATH%\.android\debug.keystore | openssl sha1 -binary | openssl base64
</code></pre>

You will have to enter a password. The password is: android

A code will come up and that code is your key hash.

blocks|key|2036364|text|如果您想要在openssl+bin文件夹中运行实际的密钥，请添加到Vizzz的答案中|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2036365|openssl+enc+-a+-e+<+debug_sha.txt|code-block|syntax|javascript|2036366|我想详细的步骤是为了“调试”的目的。|2036367|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

Adding to Vizzz's answer if you want to get the actual key run in openssl bin folder

<pre><code>openssl enc -a -e &lt; debug_sha.txt
</code></pre>

I guess the detailed steps are for "debugging" purposes

blocks|key|1635193|text|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1635194|从基于windows+32位或64位的http://slproweb.com/products/Win32OpenSSL.html下载并安装openssl。(注:还请从该站点下载并安装第一个visual+C%2B%2B+208+redisributable+)|ordered-list-item|offset|length|1635195|将已安装密钥的bin目录放在windows路径中。|1635196|打开命令提示符，转至cmd将此命令放入cmd+"keytool+-exportcert+-alias+androiddebugkey+-keystore+debug.keystore+%7C+openssl+sha1+-binary+%7C+OpenSSL+base64“。(请参阅enter密码"facebook“不带双引号。|style|BOLD|1635197|现在将生成一个散列密钥|1635198|1635199|📷|atomic|1635200|​|1635201|1635202|终于访问了Facebook开发者网站。确保你已经登录Facebook，使用右上角的下拉菜单，进入你的'Developer+Settings':|1635203|Once‘你在你的开发者设置中，从左边的导航中选择'Sample+Settings’：|1635204|Once‘，然后添加你的密钥散列并保存到你的个人资料中：|1635205|1635206|1635207|1635208|entityMap|0|LINK|mutability|MUTABLE|url|http://slproweb.com/products/Win32OpenSSL.html|1|IMAGE|IMMUTABLE|imageUrl|https://ask.qcloudimg.com/http-save/yehe-900000/2637eb3f924b14b676ca5e4beb5b410b.png|imageAlt|2|https://ask.qcloudimg.com/http-save/yehe-900000/94c26a218a998ce3c2796b8abe32492b.png^0|0|J|1A|0|0|0|O|3S|0|0|B|0|0|0|1|0|1|1|0|0|1|0|0|0|1Z|0|0|17|0|0|S|0|0|0|1|0|1|2|0|0|1|0^^$0|@$1|2|3|-4|4|5|6|1J|7|@]|8|@]|9|$]]|$1|A|3|B|4|C|6|1K|7|@]|8|@$D|1L|E|1M|1|1N]]|9|$]]|$1|F|3|G|4|C|6|1O|7|@]|8|@]|9|$]]|$1|H|3|I|4|C|6|1P|7|@$D|1Q|E|1R|J|K]]|8|@]|9|$]]|$1|L|3|M|4|C|6|1S|7|@$D|1T|E|1U|J|K]]|8|@]|9|$]]|$1|N|3|-4|4|5|6|1V|7|@]|8|@]|9|$]]|$1|O|3|P|4|Q|6|1W|7|@$D|1X|E|1Y|J|K]]|8|@$D|1Z|E|20|1|21]]|9|$]]|$1|R|3|S|4|5|6|22|7|@$D|23|E|24|J|K]]|8|@]|9|$]]|$1|T|3|-4|4|5|6|25|7|@]|8|@]|9|$]]|$1|U|3|V|4|C|6|26|7|@$D|27|E|28|J|K]]|8|@]|9|$]]|$1|W|3|X|4|C|6|29|7|@$D|2A|E|2B|J|K]]|8|@]|9|$]]|$1|Y|3|Z|4|C|6|2C|7|@$D|2D|E|2E|J|K]]|8|@]|9|$]]|$1|10|3|-4|4|5|6|2F|7|@]|8|@]|9|$]]|$1|11|3|P|4|Q|6|2G|7|@$D|2H|E|2I|J|K]]|8|@$D|2J|E|2K|1|2L]]|9|$]]|$1|12|3|S|4|5|6|2M|7|@$D|2N|E|2O|J|K]]|8|@]|9|$]]|$1|13|3|-4|4|5|6|2P|7|@]|8|@]|9|$]]]|14|$15|$4|16|17|18|9|$19|1A]]|1B|$4|1C|17|1D|9|$1E|1F|1G|-4]]|1H|$4|1C|17|1D|9|$1E|1I|1G|-4]]]]

<ol>
<li>Download and install OpenSSL from <a href="http://slproweb.com/products/Win32OpenSSL.html" rel="noreferrer">http://slproweb.com/products/Win32OpenSSL.html</a> based on windows 32 or 64 bit.(Note: Download and install first visual C++ 208 redisributable from that site also )</li>
<li>Put the bin directory of installed OpenSSL in windows path.</li>
<li>Open the command prompt and go to C:\Users{User_Name}.android</li>
<li>now put this command on cmd "keytool -exportcert -alias androiddebugkey -keystore debug.keystore | openssl sha1 -binary | openssl base64".(refer <a href="https://developers.facebook.com/docs/android/getting-started/" rel="noreferrer">https://developers.facebook.com/docs/android/getting-started/</a>)</li>
<li>Now enter password "facebook" without double quote.</li>
<li>Now a hash key will be generated 
<img src="https://i.stack.imgur.com/nPDBm.png" alt="enter image description here"></li>
<li>Finally go to the Facebook Developer site. Make sure you are logged into Facebook and, using the dropdown menu in the top-right, go to your 'Developer Settings':</li>
<li>Once you're in your developer settings, select 'Sample App' from the navigation on the left, and add and save your key hash into your profile:
<img src="https://i.stack.imgur.com/tVWga.png" alt="enter image description here"></li>
</ol>

blocks|key|4146482|text|由于错误，我只是想出了一个非常简单的方法来找出你的密钥哈希是什么。在设置一台新电脑时，我忘了在从facebook+SDK运行FriendPickerSample之前生成密钥散列，当示例应用程序在我的手机上打开时，我收到了一条消息。应用程序开发人员尚未设置密钥散列XXXXXXXX。在这里，您只需将XXX中看到的密钥散列添加到您的列表中，就可以开始使用了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4146483|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|D|8|@]|9|@]|A|$]]|$1|B|3|-4|5|6|7|E|8|@]|9|@]|A|$]]]|C|$]]

by mistake I just figured out a really simple way to figure out what your key hash is. While setting up a new computer I forgot to generate a keyhash before running the FriendPickerSample from the facebook SDK and I got a message when the sample app opened up on my phone it said. keyhash XXXXXXXX has not been setup by apps developer. From there you can just add the keyhash you see in the XXX to your list and your ready to go.

blocks|key|2036522|text|将此代码粘贴到onCreate()方法中。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2036523|try+{
++++++++PackageInfo+info+=+getPackageManager().getPackageInfo("your+package+name",+PackageManager.GET_SIGNATURES);

++++++++for+(Signature+signature+:+info.signatures)+{
++++++++++++MessageDigest+md+=+MessageDigest.getInstance("SHA");
++++++++++++md.update(signature.toByteArray());
++++++++++++Log.e("MY+KEY+HASH:",+Base64.encodeToString(md.digest(),+Base64.DEFAULT));
++++++++}

++++}+catch+(PackageManager.NameNotFoundException+e)+{
++++++++e.printStackTrace();
++++}+catch+(NoSuchAlgorithmException+e)+{
++++++++e.printStackTrace();
++++}|code-block|syntax|javascript|2036524|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

paste this code in onCreate() method.

<pre><code>try {
 PackageInfo info = getPackageManager().getPackageInfo("your package name", PackageManager.GET_SIGNATURES);

 for (Signature signature : info.signatures) {
 MessageDigest md = MessageDigest.getInstance("SHA");
 md.update(signature.toByteArray());
 Log.e("MY KEY HASH:", Base64.encodeToString(md.digest(), Base64.DEFAULT));
 }

 } catch (PackageManager.NameNotFoundException e) {
 e.printStackTrace();
 } catch (NoSuchAlgorithmException e) {
 e.printStackTrace();
 }
</code></pre>

Hi friends i wanna to generate Key hash to incorporate FaceBook Application in my Apps.. I am having Open SSL Zip. pl guide me how to generate key..

Android Key Hash

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

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嗨，朋友们，我想生成密钥散列，以便将FaceBook应用程序合并到我的应用程序中。我有开放的SSL Zip。pl指导我如何生成密钥..

问Android Key Hash
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