Openssl is not recognized as an internal or external command

Question

I wish to generate an application signature for my app which will later be integrated with Facebook  In one of Facebook s tutorials  I found this command   keytool -exportcert -alias androiddebugkey -keystore    android debug keystore   openssl sha1 -binary   openssl base64   In the tutorial  it says that by running this cmd  my process of generating the signature will start   However  this command gives an error   openssl is not recognized as an internal or external command   How can I get rid of this

User · Answer

Steps to create Hash Key   1  Download openssl from Openssl for Windows   I downloaded the Win64 version  2 Unzip and copy all the files in the bin folder including openssl exe All file of bin folder   3 Goto to the folder where you installed JDK for me it   s C  Program Files Java jdk1 8 0 05 bin  4 Paste all the files you copied from Openssl   s bin folder to the Jdk folder     then go  C  Program Files Java jdk1 8 0 05 bin and press shift key and right click and open cmd   C  Program Files Java jdk1 8 0 05 bin gt   cmd path    that is for Sha1  past this keytool -exportcert -alias androiddebugkey -keystore   C  User ABC  android keystore    openssl sha1 -binary   openssl base64     and ABC is system name put own system name

User · Answer

use this worked for me  please change your Path  C  Program Files Java jre7 bin  keytool -exportcert -alias androiddebugkey -keystore  C  Users Ace android debug keystore     C  openssl bin   openssl exe  sha1 -binary    C  openssl bin openssl exe  base64

User · Answer

It is not guaranteed that generating hashkey with this single openssl method will work  If it does not work for me  But thanks for giving me a direction to solve my issue   Guaranteed Solution   You need to break the whole command in separate commands and have to write output of every execution in file   You can take the help from the following link    http   www helloandroid com tutorials using-facebook-sdk-android-development-part-1  Enjoy

User · Answer

go to bin folder path in cmd and then run following command   keytool -exportcert -alias androiddebugkey -keystore  HOMEPATH   android debug keystore   openssl sha1 -binary   openssl base64   you will get your key hash

User · Answer

IDK if this is relevant here  but if you have Git Installed  you can find the openssl in the  quot C  Program Files Git usr bin quot  and that location you can use in the Terminal for your Keystore Command  oh and yeah the command  keytool -exportcert -alias keystore -keystore  quot C  Users YOURPATH filename jks quot     quot C  Program Files Git usr bin openssl quot  sha1 -binary    quot C  Program Files Git usr bin openssl quot  base64

User · Answer

For those looking for a more recent location to install a windows binary version of openssl  32bit and 64bit  you can find it here   http   slproweb com products Win32OpenSSL html  An up to date list of websites that offer binary distributions is here  http   www openssl org related binaries html

User · Answer

This works for me   C  Users example gt keytool -exportcert -alias androiddebugkey -keystore   C  Users example  android     C  openssl bin openssl exe  sha1 -binary     C  openssl bin oenssl exe  base64

User · Answer

Use the entire path  like this   exportcert -alias androiddebugkey -keystore    android  debug keystore    C  openssl bin openssl exe  sha1 -binary    C  openssl bin op enssl exe  base64   It worked for me

User · Answer

First navigate to your Java jre bin folder in cmd cd c  Program Files  x86  Java jre7 bin  Then use    change debug keystore path to the correct location on your system  install openssl  for windows 32 or 64 as per your needs at c  openssl    keytool -exportcert -alias androiddebugkey -keystore  C  Users vibhor  android debug keystore     c  openssl bin openssl exe  sha1 -binary    c  openssl bin openssl exe  base64   So the whole command goes like this    prompts to enter keystore password on execution    c  Program Files  x86  Java jre7 bin gt keytool -exportcert -alias androiddebugkey -keystore  C  Users vibhor  android debug keystore     c  openssl bin openssl ex e  sha1 -binary    c  openssl bin openssl exe  base64 Enter keystore password

User · Answer

Downloads and Unzip  You can download openssl for windows 32 and 64 bit from the respective links below   https   code google com archive p openssl-for-windows downloads  OpenSSL for 64 Bits  OpenSSL for 32 Bits  keytool -exportcert -alias androiddebugkey -keystore  HOMEPATH   android debug keystore      C  Users keshav gera openssl-0 9 8k X64 bin   openssl exe  sha1 -binary      C  Users keshav gera openssl-0 9 8k X64 bin   openssl exe  base64   Important  change our path Here as well as install open ssl in your system  It s Working No Doubt  C  Users keshav gera gt keytool -exportcert -alias androiddebugkey -keystore  HOMEPATH   android debug keystore    C  Users keshav gera openssl-0 9 8k X64 bin openssl exe  sha1 -binary    C  Users keshav gera openssl-0 9 8k X64 bin openssl exe  base64   Enter keystore password   android    ZrRtxw36xWNYL h3aJdcCeQQxi0                                                                     using Manually  through Coding  import android content pm PackageInfo  import android content pm PackageManager  import android content pm Signature  import java security MessageDigest  import java security NoSuchAlgorithmException    private void PrintHashKey              try               PackageInfo info   getPackageManager   getPackageInfo    com keshav patanjalidemo  Your Package Name Here     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  PackageManager NameNotFoundException e                e printStackTrace              catch  NoSuchAlgorithmException e                e printStackTrace

User · Answer

for windows users download open ssl from google s code repository https   code google com p openssl-for-windows downloads list  After the download  extract the contents to a folder preferably in your c  drive   Then update your PATH environment variable so you can use the  exe from any location in your command line    windows 8  To update your PATH environment variable  click my computer- properties- Advanced System Settings   Click the Advanced Tab and click the  Environment Variable  button at the bottom of the dialog then select the Path entry from the  System Variables  Section by clicking edit   Paste the path to the bin folder of the extracted openssl download and click ok   You will need to close and open and command prompt you may have previously launched so that you can load the updated path settings   Now run this command   keytool -exportcert -alias androiddebugkey -keystore  C  Users Oladipo android debug keystore    openssl sha1 -binary   openssl base64  You should see the developer key

User · Answer

Well at the place of openssl     you have to put actually the path to your openssl folder that you have downloaded  Your actual command should look like  keytool -exportcert -alias androiddebugkey -keystore    android debug keystore    quot C  Users abc openssl bin openssl exe quot  sha1 -binary    quot C  Users abc openssl bin openssl exe quot  base64  Remember  path that you will enter will be the path where you have installed the openssl   hope this helps   -  Edit  you can download openssl for windows 32 and 64 bit from the respective links below  OpenSSL for 64 Bits OpenSSL for 32 Bits

User · Answer

This is worked for me successfully    C  Program Files Java jdk1 6 0 26 bin keytool exe  -exportcert -alias sociallisting -keystore  D  keystore SocialListing     C  cygwin bin openssl exe  sha1 -binary    C  cygwin bin openssl exe  base64  Be careful with below path      C  Program Files Java jdk1 6 0 26 bin keytool exe   D  keystore SocialListing  or it can be like this  C  Users Shaon android debug keystore   C  cygwin bin openssl exe  or can be like this C  Users openssl bin openssl exe   If command successfully work then you will see this command    Enter keystore password   typeyourpassword  Encryptedhashkey

User · Answer

it s late answer but it will help to lazy people like me   add this code to your Application class  there is no need to download openssl and no need to set the path   only need is just copy this code   and keyHash will generated in log   import com facebook FacebookSdk  public class MyApplication extends Application         Override     public void onCreate             super onCreate            FacebookSdk sdkInitialize getApplicationContext             AppEventsLogger activateApp this           printKeyHash               private void printKeyHash             try               PackageInfo info   getPackageManager   getPackageInfo                      getPackageName    PackageManager GET SIGNATURES               for  Signature signature   info signatures                    MessageDigest md   MessageDigest getInstance  SHA                    md update signature toByteArray                     Log i  KeyHash                            Base64 encodeToString md digest    Base64 DEFAULT                            catch  PackageManager NameNotFoundException e                Log e  jk    Exception NameNotFoundException        e             catch  NoSuchAlgorithmException e                Log e  mkm    Exception NoSuchAlgorithmException        e                       and do not forget add MyApplication class in manifest    lt application         android name   MyApplication   lt  application gt

User · Answer

I used this code    This is worked for me successfully    C  Program Files Java jdk1 6 0 26 bin keytool exe  -exportcert -alias sociallisting - keystore  D  keystore SocialListing     C  cygwin bin openssl exe  sha1 -binary     C  cygwin bin openssl exe  base64

User · Answer

Please follow these step  I hope your key working properly    Step 1 You will  need  OpenSSL  You can download the binary from openssl-for-windows project on Google Code  Step 2 Unzip the folder  then copy the path to the bin folder to the clipboard   For example  if the file is unzipped to the location C  Users gaurav openssl-0 9 8k WIN32  then copy the path C  Users gaurav openssl-0 9 8k WIN32 bin  Step 3 Add the path to your system environment path  After your PATH environment variable is set  open the cmd and type this command   C   gt keytool -exportcert -alias androiddebugkey -keystore  path to debug keystore    openssl sha1 -binary   openssl base64   Type your password when prompted  If the command works  then you will be shown a key

[java] Openssl is not recognized as an internal or external command

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