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@ -1,6 +1,7 @@
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<#import "/templates/guide.adoc" as tmpl>
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<#import "/templates/kc.adoc" as kc>
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<#import "/templates/options.adoc" as opts>
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<#import "/templates/links.adoc" as links>
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<@tmpl.guide
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title="Configuring providers"
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@ -17,9 +18,10 @@ any provider, including those you have implemented to extend the server capabili
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Providers can be configured by using a specific configuration format. The format consists of:
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```
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[source]
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----
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spi-<spi-id>-<provider-id>-<property>=<value>
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```
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----
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The `<spi-id>` is the name of the SPI you want to configure.
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@ -31,9 +33,10 @@ All those names (for spi, provider, and property) should be in lower case and if
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Taking the `HttpClientSpi` SPI as an example, the name of the SPI is `connectionsHttpClient` and one of the provider implementations available is named `default`. In order to set the `connectionPoolSize` property you would use a configuration option as follows:
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```
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[source]
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----
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spi-connections-http-client-default-connection-pool-size=10
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```
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----
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== Setting a provider configuration option
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@ -81,7 +84,7 @@ Once you do that, the server is going to make these additional dependencies avai
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== References
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* https://www.keycloak.org/server/configuration[Configuring Keycloak]
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* <@links.server id="configuration"/>
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* https://www.keycloak.org/docs/latest/server_development/#_providers[Server Developer Documentation]
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</@tmpl.guide>
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@ -37,27 +37,33 @@ You can create either `pkcs12` or `bcfks` keystore to be used for the Keycloak s
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PKCS12 keystore can be generated with OpenJDK 17 Java on RHEL 9 in the standard way. Make sure that the system is in FIPS mode, you can check it with the following command:
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```bash
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[source,bash]
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----
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fips-mode-setup --check
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```
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----
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If the system is not in FIPS mode, you can enable it with the following command:
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```bash
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[source,bash]
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----
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fips-mode-setup --enable
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```
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----
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The command changes the default `java.security` file in order to use FIPS enabled security providers, so no additional configuration is needed. Additionally, in PKCS12 keystore you can store PBE (password-based encryption) keys simply via the keytool command, which makes it ideal for using it with Keycloak KeyStore Vault and/or to store configuration properties in the KeyStore Config Source. For more details, see the https://www.keycloak.org/server/configuration[Configuration Guide] and the https://www.keycloak.org/server/vault[Vault Guide].
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The command changes the default `java.security` file in order to use FIPS enabled security providers, so no additional configuration is needed. Additionally, in PKCS12 keystore you can store PBE (password-based encryption) keys simply via the keytool command, which makes it ideal for using it with Keycloak KeyStore Vault and/or to store configuration properties in the KeyStore Config Source. For more details, see the <@links.server id="configuration"/> and the <@links.server id="vault"/>.
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BCFKS keystore generation requires the use of the BouncyCastle FIPS libraries and a custom security file.
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You can start with create a helper file, such as `/tmp/kc.keystore-create.java.security`. The content of the file needs only to have the following property:
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```
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[source]
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----
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securerandom.strongAlgorithms=PKCS11:SunPKCS11-NSS-FIPS
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```
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----
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Next enter a command such as the following to generate the keystore:
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```bash
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[source,bash]
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----
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keytool -keystore $KEYCLOAK_HOME/conf/server.keystore \
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-storetype bcfks \
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-providername BCFIPS \
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-genkeypair -sigalg SHA512withRSA -keyalg RSA -storepass passwordpassword \
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-dname CN=localhost -keypass passwordpassword \
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-J-Djava.security.properties=/tmp/kc.keystore-create.java.security
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```
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----
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WARNING: Using self-signed certificates is for demonstration purposes only, so replace these certificates with proper certificates when you move to a production environment.
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@ -90,9 +96,10 @@ Using that option results in stricter security requirements on cryptography and
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When starting server, you can check that the startup log contains `KC` provider with the note about `Approved Mode` such as the following:
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```
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[source]
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----
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KC(BCFIPS version 1.000203 Approved Mode, FIPS-JVM: enabled) version 1.0 - class org.keycloak.crypto.fips.KeycloakFipsSecurityProvider,
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```
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----
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=== Cryptography restrictions in strict mode
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@ -105,9 +112,10 @@ to value 14 to provide additional padding when verifying a hash created by this
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For example, if the user's database is in a non-FIPS environment and you have shorter passwords and you want to verify them now with Keycloak using BCFIPS in approved mode, the passwords should work.
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So effectively, you can use an option such as the following when starting the server:
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```
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[source]
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----
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--spi-password-hashing-pbkdf2-sha256-max-padding-length=14
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```
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----
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NOTE: Using the option above does not break FIPS compliance. However, note that longer passwords are good practice anyway. For example, passwords auto-generated by modern browsers match this
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requirement as they are longer than 14 characters.
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@ -126,9 +134,10 @@ security providers are not present in the `java.security`, which means that they
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To have SAML working, you can manually add the provider into `JAVA_HOME/conf/security/java.security` into the list fips providers. For example, add the line such as the following:
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```
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[source]
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----
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fips.provider.7=XMLDSig
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```
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----
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Adding this security provider should work well. In fact, it is FIPS compliant and likely will be added by default in the future OpenJDK 17 micro version.
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Details are in the https://bugzilla.redhat.com/show_bug.cgi?id=1940064[bugzilla].
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@ -139,9 +148,10 @@ assumes that there are already 6 providers configured with prefix like `fips.pro
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If prefer not to edit your `java.security` file inside java itself, you can create a custom java security file (for example named `kc.java.security`) and add only the single
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property above for adding XMLDSig provider into that file. Then start your Keycloak server with this property file attached:
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```
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[source]
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----
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-Djava.security.properties=/location/to/your/file/kc.java.security
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```
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----
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For Kerberos/SPNEGO, the security provider `SunJGSS` is not yet fully FIPS compliant. Hence it is not recommended to add it to your list of security providers
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if you want to be FIPS compliant. The `KERBEROS` feature is disabled by default in Keycloak when it is executed on FIPS platform and when security provider is not
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@ -154,18 +164,21 @@ If you want to run Client Registration CLI (`kcreg.sh|bat` script) or Admin CLI
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jars to the CLI library folder and that is enough. CLI tool will automatically use BCFIPS dependencies instead of plain BC when
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it detects that corresponding BCFIPS jars are present (see above for the versions used). For example, use command such as the following before running the CLI:
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```
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[source]
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----
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cp $KEYCLOAK_HOME/providers/bc-fips-*.jar $KEYCLOAK_HOME/bin/client/lib/
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cp $KEYCLOAK_HOME/providers/bctls-fips-*.jar $KEYCLOAK_HOME/bin/client/lib/
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```
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----
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NOTE: When trying to use BCFKS truststore/keystore with CLI, you may see issues due this truststore is not the default java keystore type. It can be good to specify it as default in java
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security properties. For example run this command on unix based systems before doing any operation with kcadm|kcreg clients:
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```
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[source]
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----
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echo "keystore.type=bcfks
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fips.keystore.type=bcfks" > /tmp/kcadm.java.security
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export KC_OPTS="-Djava.security.properties=/tmp/kcadm.java.security"
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```
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----
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== Keycloak server in FIPS mode in the container
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