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Overview

PhixFlow uses a Java keystore and associated secret service for data that needs to be secure. When PhixFlow is installed, the keystore is created and the username and password for the PhixFlow database are added. The instructions for this are in Configure a Keystore and Keys.

Additional details that we recommend you store in the keystore are:

You can then use an alias or key to retrieve the data from the keystore.


Note

This documentation assumes that each PhixFlow instance has it's own unique keystore.

If you run multiple instances on the same server, using a single keystore, we recomend that each instance has its own security information in the keystore. Ensure that aliases are unique and ideally are named to indicate which instance they relate to.



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Adding Data to the Keystore

To add data to the keystore, use the Java keytool -importpass line command. From a command prompt:

  1. Enter the -importpass command, specifying an alias/key.
  2. When the keytool prompts, enter the keystore's password.
  3. When the keytool prompts again for a "password", enter the data, usually a user name or password. 

For example:

  • The keystore is called secret.jks... what's our default called ...
  • The keystore password  is secretpass
  • The datasource instance details you want to store are:
    • username sqluser, wth the key db1
    • password x34!2axf with the key db1pass

Windows example:

Expand
titleClick to expand Windows example


Code Block
"%JAVA_HOME%\bin\keytool" -importpass -alias db1 -keystore C:\secure\secret.jks -storetype PKCS12
secretpass
sqluser
"%JAVA_HOME%\bin\keytool" -importpass -alias db1pass -keystore C:\secure\secret.jks -storetype PKCS12
secretpass
x34!2axf



Expand
titleClick here to expand Linux example


Code Block
$JAVA_HOME/bin/keytool -importpass -alias db1 -keystore /opt/secure/secret.jks -storetype PKCS12
secretpass
sqluser
$JAVA_HOME/bin/keytool -importpass -alias db1pass -keystore /opt/secure/secret.jks -storetype PKCS12
secretpass
x34!2axf


Pepperkye

If you have local users you also need to set up a Pepperkey

Wikipedia article on Pepper Encrytption


Datasource instances or email

todo

Keytool Syntax

For reference, here is the keytool command syntax.

Code Block
<keytool> -importpass -alias <key> -keystore <file> -storetype <type>
Where:


where

Is<keytool>
Windows command prompt
  • <keytool> depends on OS or command tool:
    • in the Windows command prompt    "%JAVA_HOME%\bin\keytool.exe"
    • in Windows PowerShell 
    •   &"$env:JAVA_HOME\bin\keytool.exe"
Linux  <file>The
    • in Linux    $JAVA_HOME/bin/keytool 

<key> 

The alias/key for a username or password.

After you enter an alias, the keytool prompts you to enter the corresponding data, usually a username or password.

  • <file> is the full path to the keystore file, for example:
      Windows  
        • Windows   C:\secure\name.jks
      Linux  
        • Linux   /opt/secure/name.jks
      <keytype>
      • <type>Either PKCS12 (recommended) or JCEKS.
      TipThe
      • <key> is a key/alias for something you want to store. Use this to retrieve the encrypted data.

      After you enter a <key>, the keytool always prompts for a password. This is because the keytool does not

      differentiate

      distinguish between the secrets that it stores

      so it always prompts for a "password". Sometimes you will need to enter a username and others a password. 

      . At the prompt, enter the actual value you want to store securely, usually a username or a password.

    Understanding How PhixFlow Uses A Keystore

    This section illustrates how PhixFlow uses a keystore to access its own database.

    When PhixFlow is running, it provides the account credentials to its database as follows:

    1. phixflow-datasource.xml stores alias credentials for the database. It requests actual credentials from phixflow-secret.xml.
    2. phixflow-secret.xml asks the keystore for the actual credentials.
      1. The keystore password is configured as an environment variable This file stores the location of the keystore file and optionally its password (2a in the diagram below).
      2. Alternatively, phixflow-secret.xml stores the location of the keystore file and optionally its password (2b in the diagram below)
    3. The keystore file returns the actual account credentials to phixflow-secret
    4. which, in turn, passes the actual credentials to phixflow-datasource.xml.
    5. phixflow-datasource.xml then uses the actual credentials to log into the database, so that PhixFlow can update it.

    This is shown in the diagram below.

     How PhixFlow authenticates to its database using a keystore


    Details used in the diagram
    Keystore file namehidden.jks
    Keystore passwordstorepw
    Environment variable nameKEY_PASS
    Environment variable value
    (the keystore password)
    storepw
    PhixFlow database credentialsUsernamePassword
    Actual

    phixFlow

    P*59word
    Alias

    phixflow-database-user

    phixflow-database-password



    Possibly another page??

    Local User Password Encrytption

    PhixFlow users can be set up as

    • external - all user authentication and permissions are handled externally for example by a SAML single-sign-on service or Active Directory.
    • mixed - user authentication is handled externally but a assigned to user groups in PhixFlow, which handle permissions
    • local - both user authentication and permissions are handled locally

    For local users only, you can configure an added layer of security. PhixFlow one-way encrypts user passwords and the answers to user security questions.

    • security answers: normalized Bcrypt - this changes all letters to lower case and removes spaces before encrytpting. It does not use the pepepr key, so security answers will work if the user account is imported to another instance
    • user passwords: pepper key Bcrypt
      • this requires an exact match, case/spaces etc
      • AND uses a pepper key from the keystore to get an additional string to add to the password. The pepper key is tied to the PhixFlow instance

        Note

        You can export/import user accounts from one instance to another. However their passwords will not work in the new instance because the pepperkey will be different. The user will need to have their password reset in the import instance.



    To check a passowrd or answer, PhixFlow identifies which method has been used to encrypt it, and uses the same method to encrypt the string supplied by the user. PhixFlow then compares the two encrypted versions and ensures these match.

    In version 8.3.0 PhixFlow switched to using Bcrypt as its method of encrypting data.


    phixflow-login.xml includes a list for the encoders. Phixflow will check for

    Bcrypt

    legacy (used prior to 8.3.0

    startup - used for the initital administrator login to a new installation

    How to move passwords to the new encoder

    For PhixFlow instances upgraded to 8.3.0

    Your local users will have passwords and security questions that require the legacy encoder. You can continue to run with this. However, to ensure your system is using the more secure Bcrypt and one-way encoding we recommend users change their passwords and their security answers as soon as possible.

    When a user changes their password/answers, it is automatically encrypted with the new Bcrypt encode.

    Making phixflow-login.xml more secure

    Consider the following change

    For new installations at 8.3.0 onwards, all passwords and answers will be using Bcrypt.

    For upgraded instaances, when all passwords and answers are using Bcrypt

    Update phixflow-login.xml to comment out the legacy line. 

    Warning

    commenting out the legacy line will prevent any remaining passwords or answers from working. There is no way to check this in advance. If answers are still encrypted using the legacy encoder, then they will only find out if they need to reset their password.

    Consider the following change when you have an administrator login set up for your installation

    Update phixflow-login.xml to comment out the startup line. This will automatically disable the startup user. If you subseqently have problems that mean you cannot log into the sytem, you can re-enable the startup user from outside PhixFlow. 

    Is it better to just disable it in PhixFlow

    (This sounds like a security back door though)


    phixflow-instance.xml knows about the pepperkey. if you want to call it something else in the keystore, remember to update it here too. - shared statement with install instructions