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We find a number of inadequate approaches that do not make it for a secure solution:
- Symmetric keys are a No-Go as they are available in two places and leave it up to the implementation where to store the key.
- Obfuscation is a No-Go as it does not resist to attacks.
The preferred solution with JS7 is use of asymmetric keys:
- JS7 - Encryption and Decryption includes to perform encryption outside of JS7 products.
- No JS7 product is directly involved in encryption as otherwise the JS7 product would know the credentials that potentially could be When performing encryption users should check that credentials are not compromised by logging etc.
For creation of Encryption Keys see JS7 - How to create X.509 Encryption Keys.
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<property name="hibernate.connection.password">enc://gLjIPeUJP3o1cw4y9wNrFkNUIfe5Bi/eW+KMkLUy4mvVOH0Z41V0Iuob0lDN6UFXMG1//YDbUA3yFSpvHdmRlGnYsMPkbqz+tN+7Ypy5px7F7NGGpPFSeeGS4JOe7cmgkHx9i9ZPJEEK/xDLoPj/9zj4OLTcWxrHKR0bwT2NvpEZoBPWVnWMoBqTQfk+PBRRkQFYdtR+uKVl7qMEkNc6N92hYGRevUwIZ7h++ENazlgzUdNZc1K1LCRZ/BtB8/MopP3elZ6Vq2LmP3LGnzu6MwSSBgNbPN2vguDqWjnncO1h5MekmqHV5S9RY2L+7NZ7jJ3q233ZFwq56Xm/TWB92g== U2WnoXgh87kdOz7Zcumkpg== 3mnbt2Qe7JdQuN2Lm5SD0w==</property> <property name="hibernate.connection.url">enc://oe5qm3SOudO8LgcFXlW3cTlsdLycXEgUis2GFJdm+4w/NHF3KGYZXCEsqUFMwvWsdY/whfkCPOyUf4cj1eY1F5QSVzjsCgpfXtpvqUjqa7mzpAfzHfRr8gjZNHzCinefke8muCYFiZbb8s9rWHu4G8aIAJsxlWrhJeu7SXqs3JPrrrBt9EJ8kJw6w/xWbUhR5MVLAvj9mIg+w83qwAhZrvuz+McoTKskXvLcBlQPtXc+Yz3RuosczmaWgHYcc/++CtnHHtlSVQf9108jus13ab6mGGsDjodVJjm715VB+cUmWhBKpwyjksrISKcpkMnGlSK3KE+VsTMjzAMPPAyGEQ== zzEKadcxLgfl4GrRUYvApA== FM5ycloUYUbUeniZUDZpK7atxQR5bvmJmYJLS1k356oA/fCoioE6zFfOzENTKgxn</property> <property name="hibernate.connection.username">enc://WCWDGolHrQV4zWwF7i+QEOMrzXfhQSWoH4Azb+udCPSXsvDcNBiTam9zSVDyzCkVT3VAoBdT+WQbOSJRtdvYv6IaIJHJ98W5+H/F29UlOtKhJFbzVq+qxT4XPHSlMvzhub72lv5sWEyhNsjdFd6tJj0mVVH7+jmMAzFMCMKfMeNUbsXrH5Os6UR0Uqy6KbjVx8BOv02ooqFb69yFyI76/gwkxAV+9fYinCxIj3adSO1P6Cn0VNXLw1y2z/Xuv2PJ9CusshmMEiG95/G85VSNqlSMV0HfiQ71VS2EN0fcVcFlugyslTUDIcP4ed3pNlwblu86oPoenC4Xvw3Qh2Xj/A== IcI4xRV0fnO+qRLLg3/abQ== 1gV4bt2rvMgdtPOPXFt5qw==</property> |
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- Encrypted values start with the prefix
enc:
- JS7 releases before 2.7.1 use the prefix:
enc://
- JS7 releases before 2.7.1 use the prefix:
- The value holds the following parts separated by spaces:
- an the encrypted symmetric key,
- an the initialization vector,
- the secret encrypted with the symmetric key.
- For decryption a private key and the initialization vector are the Private Key is used to decrypt the symmetric key. The secret is decrypted using the decrypted, symmetric key and initialization vector are used to decrypt the secret.
Scripts for Encryption
Credentials can be encrypted using scripts:
- JS7 - How to encrypt and decrypt using Unix Shell
- JS7 - How to encrypt and decrypt using Windows Shell
- JS7 - How to encrypt and decrypt using PowerShell
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# encrypt secret and return result result=$(./js7_encrypt.sh --cert="joc.crt" --in='jobscheduler') # update hibernate.cfg.xml sed -i'' -e "s@property[ ]*name[ ]*=[ ]*\"hibernate.connection.password\".*@property name=\"hibernate.connection.password\"\>enc://${result}\</property\>@g" hibernate.cfg.xml |
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@rem encrypt secret and return result from JS7_ENCRYPT_VALUE environment variable call .\js7_encrypt.cmd "--cert=joc.crt" "--in=jobscheduler" @rem update hibernate.cfg.xml powershell.exe -Command "((Get-Content hibernate.cfg.xml) -replace 'property[ ]*name[ ]*=[ ]*\"hibernate.connection.password\".*', ('property name=\"hibernate.connection.password\">>enc:' + $env:JS7_ENCRYPT_VALUE + '</property>')) | Set-Content -Path hibernate.cfg.xml" |
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# encrypt secret and return result $result = Invoke-JS7Encrypt -CertificatePath joc.crt -Value 'jobscheduler' -JavaLib /js7/js7.encryption/lib # update Hibernate connection password in configuration file ((Get-Content hibernate.cfg.xml) -replace 'property[ ]*name[ ]*=[ ]*\"hibernate.connection.password\".*', ('property name=\"hibernate.connection.password\">enc:' + $result + '</property>')) | Set-Content -Path hibernate.cfg.xml |
Explanation:
- The
js7_encrypt.sh | .cmd
script is called with the--cert
argument that specifies the path to the Certificate file or Public Key file. The--in
argument specifies the plain text passwordsecret. Similar parameters are used if theInvoke-JS7Encrypt
PowerShell cmdlet is used. - Consider that the Certificate/Public Key used for encryption has to match the Private Key used by the component that performs decryption:
- for JOC Cockpit the Private Key is located in the reach of JOC Cockpit, for example in its data directory.
- for JS7 JITL Jobs that are executed with an Agent the Private Key is located with in reach of the related Agent, for example in its data directory.
- For use with Unix Shell
- the script writes output to the stdout channel that is assigned an environment variable.
- the
sed
command is used to replace the related element value in thehibernate.cfg.xml
configuration file.
- For use with Windows Shell
- the script writes output to the
JS7_ENCRYPT_VALUE
environment variable. - the powershell.exe command is used to replace the related element value in the
hibernate.cfg.xml
configuration file.
- the script writes output to the
- For use with PowerShell
- the cmdlet returns the encryption result.
- the related element value is replaced in the
hibernate.cfg.xml
configuration file.
Integration with Secret Manager Products
The scripts or cmdlets can be integrated with Secret Manager products that are used to create, to modify and to rotate passwords. A number of Secret Manager products offer hooks that allow to call scripts after a password is changed which is the preferred integration scenario.
- The JOC Cockpit and JITL Jobs will pick up a changed Hibernate configuration file on-the-fly for the next database connection that will be created.
- Current database connections are not affected. When connections are refreshed in the JOC Cockpit connection pool, they will make use of the updated Hibernate configuration file.
Decryption
The Hibernate configuration file has to hold a reference where to locate the location of the Private Key used for decryption:
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The path to the Private Key file is specified from a property in the hibernate.cfg.xml
file. The Private Key can optionally be protected by a password. The password is not a secret but aims to check integrity when reading/writing private keyspassphrase. If no passphrase is used to access the Private Key, then the related property should not be specified.
Note: Private Keys can be protected using a passphrase that acts as a second factor when a human user will access the key: while the Private Key is in the file system, the passphrase is in the user's brains. However, this does not improve security for unattended processing: it's pointless to store a passphrase side-by-side with the Private Key in scripts or configuration files on the same media.
Related properties in the hibernate.cfg.xml
file look like thisinclude:
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<property name="hibernate.connection.password">enc://gLjIPeUJP3o1cw4y9wNrFkNUIfe5Bi/eW+KMkLUy4mvVOH0Z41V0Iuob0lDN6UFXMG1//YDbUA3yFSpvHdmRlGnYsMPkbqz+tN+7Ypy5px7F7NGGpPFSeeGS4JOe7cmgkHx9i9ZPJEEK/xDLoPj/9zj4OLTcWxrHKR0bwT2NvpEZoBPWVnWMoBqTQfk+PBRRkQFYdtR+uKVl7qMEkNc6N92hYGRevUwIZ7h++ENazlgzUdNZc1K1LCRZ/BtB8/MopP3elZ6Vq2LmP3LGnzu6MwSSBgNbPN2vguDqWjnncO1h5MekmqHV5S9RY2L+7NZ7jJ3q233ZFwq56Xm/TWB92g== U2WnoXgh87kdOz7Zcumkpg== 3mnbt2Qe7JdQuN2Lm5SD0w==</property> <property name="hibernate.connection.url">enc://oe5qm3SOudO8LgcFXlW3cTlsdLycXEgUis2GFJdm+4w/NHF3KGYZXCEsqUFMwvWsdY/whfkCPOyUf4cj1eY1F5QSVzjsCgpfXtpvqUjqa7mzpAfzHfRr8gjZNHzCinefke8muCYFiZbb8s9rWHu4G8aIAJsxlWrhJeu7SXqs3JPrrrBt9EJ8kJw6w/xWbUhR5MVLAvj9mIg+w83qwAhZrvuz+McoTKskXvLcBlQPtXc+Yz3RuosczmaWgHYcc/++CtnHHtlSVQf9108jus13ab6mGGsDjodVJjm715VB+cUmWhBKpwyjksrISKcpkMnGlSK3KE+VsTMjzAMPPAyGEQ== zzEKadcxLgfl4GrRUYvApA== FM5ycloUYUbUeniZUDZpK7atxQR5bvmJmYJLS1k356oA/fCoioE6zFfOzENTKgxn</property> <property name="hibernate.connection.username">enc://WCWDGolHrQV4zWwF7i+QEOMrzXfhQSWoH4Azb+udCPSXsvDcNBiTam9zSVDyzCkVT3VAoBdT+WQbOSJRtdvYv6IaIJHJ98W5+H/F29UlOtKhJFbzVq+qxT4XPHSlMvzhub72lv5sWEyhNsjdFd6tJj0mVVH7+jmMAzFMCMKfMeNUbsXrH5Os6UR0Uqy6KbjVx8BOv02ooqFb69yFyI76/gwkxAV+9fYinCxIj3adSO1P6Cn0VNXLw1y2z/Xuv2PJ9CusshmMEiG95/G85VSNqlSMV0HfiQ71VS2EN0fcVcFlugyslTUDIcP4ed3pNlwblu86oPoenC4Xvw3Qh2Xj/A== IcI4xRV0fnO+qRLLg3/abQ== 1gV4bt2rvMgdtPOPXFt5qw==</property> <property name="hibernate.sos.decryption_key">joc.key</property> <property name="hibernate.sos.decryption_keypassword">jobscheduler</property> |
Use with Keystore
The path to the a keystore file is specified from a property in the hibernate.cfg.xml
file. The keystore should be in comply to PKCS12 format.
Related properties in the hibernate.cfg.xml
file look like thisinclude:
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<property name="hibernate.connection.password">enc://gLjIPeUJP3o1cw4y9wNrFkNUIfe5Bi/eW+KMkLUy4mvVOH0Z41V0Iuob0lDN6UFXMG1//YDbUA3yFSpvHdmRlGnYsMPkbqz+tN+7Ypy5px7F7NGGpPFSeeGS4JOe7cmgkHx9i9ZPJEEK/xDLoPj/9zj4OLTcWxrHKR0bwT2NvpEZoBPWVnWMoBqTQfk+PBRRkQFYdtR+uKVl7qMEkNc6N92hYGRevUwIZ7h++ENazlgzUdNZc1K1LCRZ/BtB8/MopP3elZ6Vq2LmP3LGnzu6MwSSBgNbPN2vguDqWjnncO1h5MekmqHV5S9RY2L+7NZ7jJ3q233ZFwq56Xm/TWB92g== U2WnoXgh87kdOz7Zcumkpg== 3mnbt2Qe7JdQuN2Lm5SD0w==</property> <property name="hibernate.connection.url">enc://oe5qm3SOudO8LgcFXlW3cTlsdLycXEgUis2GFJdm+4w/NHF3KGYZXCEsqUFMwvWsdY/whfkCPOyUf4cj1eY1F5QSVzjsCgpfXtpvqUjqa7mzpAfzHfRr8gjZNHzCinefke8muCYFiZbb8s9rWHu4G8aIAJsxlWrhJeu7SXqs3JPrrrBt9EJ8kJw6w/xWbUhR5MVLAvj9mIg+w83qwAhZrvuz+McoTKskXvLcBlQPtXc+Yz3RuosczmaWgHYcc/++CtnHHtlSVQf9108jus13ab6mGGsDjodVJjm715VB+cUmWhBKpwyjksrISKcpkMnGlSK3KE+VsTMjzAMPPAyGEQ== zzEKadcxLgfl4GrRUYvApA== FM5ycloUYUbUeniZUDZpK7atxQR5bvmJmYJLS1k356oA/fCoioE6zFfOzENTKgxn</property> <property name="hibernate.connection.username">enc://WCWDGolHrQV4zWwF7i+QEOMrzXfhQSWoH4Azb+udCPSXsvDcNBiTam9zSVDyzCkVT3VAoBdT+WQbOSJRtdvYv6IaIJHJ98W5+H/F29UlOtKhJFbzVq+qxT4XPHSlMvzhub72lv5sWEyhNsjdFd6tJj0mVVH7+jmMAzFMCMKfMeNUbsXrH5Os6UR0Uqy6KbjVx8BOv02ooqFb69yFyI76/gwkxAV+9fYinCxIj3adSO1P6Cn0VNXLw1y2z/Xuv2PJ9CusshmMEiG95/G85VSNqlSMV0HfiQ71VS2EN0fcVcFlugyslTUDIcP4ed3pNlwblu86oPoenC4Xvw3Qh2Xj/A== IcI4xRV0fnO+qRLLg3/abQ== 1gV4bt2rvMgdtPOPXFt5qw==</property> <property name="hibernate.sos.keystore_path">credentials-keystore.p12</property> <property name="hibernate.sos.keystore_type">PKCS12</property> <property name="hibernate.sos.keystore_password">jobscheduler</property> <property name="hibernate.sos.keystore_keypassword">jobscheduler</property> <property name="hibernate.sos.keystore_keyalias">joc-2-0-primary</property> |
Explanation:
hibernate.sos.keystore_path
: The keystore path can be specified as from an absolute path or from a relative path. The relative path starts from theJETTY_BASE/resources/joc
directory of the JOC Cockpit installation.hibernate.sos.keystore_type
: The PKCS12 keystore type should be used. Typically keystores with the file name extension .p12 or .pfx signal indicate a PKCS12 compliant keystore.hibernate.sos.keystore_password
: The keystore should be be protected by a password. The password is not a secret, but aims to check checking integrity when reading/writing keystores.hibernate.sos.keystore_keypassword
: For use with the PKCS12 format the password passphrase for the key and the password for the keystore have to match.hibernate.sos.keystore_keyalias
: The Private Key's alias name is a unique identifier of the key in the keystore. An alias name has to be specified if more than one Private Key is available in the keystore. The property can be omitted for keystores that hold a single key.
Use with JOC Cockpit HTTPS Keystore
It is possible to use the SSL Private Key/Certificate stored in JOC Cockpit's keystore for HTTPS connections for to perform encryption/decryption, see JS7 - JOC Cockpit HTTPS Connections.
Users should consider that Private Keys/Certifcates are typically created for specific usages such as to secure an HTTPS connection. Should keys be created with the dataEncryption
Key Usage option then they can be used for encryption/decryption of credentials.
Many users consider it more secure to use different keys for encryption/decryption of HTTPS connections and for encryption/decryption of secrets.
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Find an example for a hibernate.cfg.xml
configuration file for use with a MySQL® database:
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<?xml version="1.0" encoding="UTF-8" standalone="no"?> <hibernate-configuration> <session-factory> <property name="hibernate.connection.driver_class">org.mariadb.jdbc.Driver</property> <property name="hibernate.connection.password">enc://BLW40Z7PIGMq4btJ+ZuFMonL6XnGTHi/O8Q1d7s/ZGrTceQw/UotqkcL20zVOR7sTSXpGjCU9VsiJ+xodoIrnPla4pqOOuh+lIkuOrJJIt+7Hn+4BdcrCvdzx3Ys5vsPd13NJVk= QjdEjQ3RXbkopm8bCFnWYw== gh/JMrYD9JloP0sAOn8dNw==</property> <property name="hibernate.connection.url">enc://BOLk45C7Mv8MLteMLKwhuRbiaD+qtQsbf6sCILpHv6pVnkTyBRJpekG0F2Gk8j1MYPtuawP4aGI6QYGRfb8ATsvVnF4HvpNl3pWn+kiFgihcOuzIDmUmfxp6MJ5SA9Dp9A5bntA= fJN3OdAiqA393Nf7wgOTEg== Nq2v6z8b18hwnUzeLYLYscIHiXEj91BJJKlzJNqlD0Ub1cMRMGbkCidU9le8W1yS</property> <property name="hibernate.connection.username">enc://BPmDxWAkcgbUMiTREP+x4np4x/VnicgMTiiFNO7eEB9bRH4lhGgBAq8QQ3cz+HKWj0qRVgMEDU/pd6UDxrpbZf0ZDULdYwgRTWD1FaM2Fb12M2xGWWNHE9pryUCopU1nOSYdnbY= hNoSj7k9uFlVVuc8HjoVvg== a90hZkncSN1WUsQ/dQimDQ==</property> <property name="hibernate.dialect">org.hibernate.dialect.MySQLInnoDBDialect</property> <property name="hibernate.show_sql">false</property> <property name="hibernate.connection.autocommit">false</property> <property name="hibernate.format_sql">true</property> <property name="hibernate.temp.use_jdbc_metadata_defaults">false</property> <!-- Hikari Connection Pool --> <property name="hibernate.connection.provider_class">org.hibernate.hikaricp.internal.HikariCPConnectionProvider</property> <property name="hibernate.hikari.maximumPoolSize">10</property> <property name="hibernate.hikari.leakDetectionThreshold">30000</property> <!-- Encryption / Decryption --> <property name="hibernate.sos.keystore_path">/var/sos-berlin.com/js7/joc/resources/joc/credentials-keystore.p12</property> <property name="hibernate.sos.keystore_type">PKCS12</property> <property name="hibernate.sos.keystore_password">jobscheduler</property> <property name="hibernate.sos.keystore_keypassword">jobscheduler</property> <property name="hibernate.sos.keystore_keyalias">joc-2-0-primary</property> </session-factory> </hibernate-configuration> |
Further Resources
- JS7 - How to encrypt and decrypt using Unix Shell
- JS7 - How to encrypt and decrypt using Windows Shell
- JS7 - How to encrypt and decrypt using PowerShell
- JS7 - How to create X.509 Encryption Keys