| Version 14 (modified by jpmitchell@…, 13 years ago) (diff) |
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Shibboleth / IdP Key Roll Over
This page documents the process of rolling over the IdP's keys. This includes the process of generating a new certificate for the IdP. The certificate and key are only used for signing the assertions and securing the attribute query back channel that is not user facing.
The process from the 10k foot level is to add a second key and cert to the IdP and its metadata for distribution ahead of the actual roll over. Once all of the SPs have the new metadata then the IdP can be rolled over to using the new key and cert and the SPs will transparently follow since they have both the new cert and old cert in metadata.
Note: All operations in this procedure occur under the tomcat user.
- Generate a new key/certificate:
-bash-3.2$ openssl req -x509 -newkey rsa:2048 -nodes -days 1095 -keyout idp.new.key -out idp.new.crt Generating a 2048 bit RSA private key ...........................................+++ ............................................................+++ writing new private key to 'idp.new.key' ----- You are about to be asked to enter information that will be incorporated into your certificate request. What you are about to enter is what is called a Distinguished Name or a DN. There are quite a few fields but you can leave some blank For some fields there will be a default value, If you enter '.', the field will be left blank. ----- Country Name (2 letter code) [GB]:US State or Province Name (full name) [Berkshire]:Alaska Locality Name (eg, city) [Newbury]:Fairbanks Organization Name (eg, company) [My Company Ltd]:University of Alaska Organizational Unit Name (eg, section) []:Office of Information Technology Common Name (eg, your name or your server's hostname) []:idp.alaska.edu Email Address []:iam@alaska.edu
- Copy the key/certificate into the credentials directory of the IdP installation. You will need to do this on all Shibboleth servers as the credential directory is not managed in subversion.
-bash-3.2$ cp idp.new.crt /opt/shibboleth-idp/credentials/ -bash-3.2$ cp idp.new.key /opt/shibboleth-idp/credentials/
- Add the new key/certificate to the relying party configuration. After this step there should be two "security:Credential" stanzas. One with the "IdPCredential" id and one with the "IdPCredentialNew" id.
-bash-3.2$ svn co svn+ssh://sxjpm@iron.alaska.edu/usr/local/iam/shib-svn/idp/trunk/conf -bash-3.2$ vi conf/relying-party.xml ... <security:Credential id="IdPCredentialNew" xsi:type="security:X509Filesystem"> <security:PrivateKey>/opt/shibboleth-idp/credentials/idp.new.key</security:PrivateKey> <security:Certificate>/opt/shibboleth-idp/credentials/idp.new.crt</security:Certificate> </security:Credential> ... :wq! -bash-3.2$ svn ci conf/relying-party.xml -m "Added new IdP key/cert."
- Add the new certificate to the IdP metadata. There should be two "<KeyDescriptor>" stanzas after this step in the metadata for the "<IDPSSODescriptor>" stanza and the "<AttributeAuthorityDescriptor>" stanza.
-bash-3.2$ cat idp.new.crt -----BEGIN CERTIFICATE----- MIIFDDCCA/SgAwIBAgIJAN58IPd0DVLpMA0GCSqGSIb3DQEBBQUAMIG0MQswCQYD VQQGEwJVUzEPMA0GA1UECBMGQWxhc2thMRIwEAYDVQQHEwlGYWlyYmFua3MxHTAb BgNVBAoTFFVuaXZlcnNpdHkgb2YgQWxhc2thMSkwJwYDVQQLEyBPZmZpY2Ugb2Yg SW5mb3JtYXRpb24gVGVjaG5vbG9neTEXMBUGA1UEAxMOaWRwLmFsYXNrYS5lZHUx HTAbBgkqhkiG9w0BCQEWDmlhbUBhbGFza2EuZWR1MB4XDTExMDcwNzIzMDc1NFoX DTE0MDcwNjIzMDc1NFowgbQxCzAJBgNVBAYTAlVTMQ8wDQYDVQQIEwZBbGFza2Ex EjAQBgNVBAcTCUZhaXJiYW5rczEdMBsGA1UEChMUVW5pdmVyc2l0eSBvZiBBbGFz a2ExKTAnBgNVBAsTIE9mZmljZSBvZiBJbmZvcm1hdGlvbiBUZWNobm9sb2d5MRcw FQYDVQQDEw5pZHAuYWxhc2thLmVkdTEdMBsGCSqGSIb3DQEJARYOaWFtQGFsYXNr YS5lZHUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCqzXokjJWPQdz8 cHsoSiNADLwYX89wxjTe5Xp47iqSWlx3eaxQlOOSY9OJ59dE4+tN8ACqiWJp0iga /GpyEH93jLoZBToTGMImto0SgC1I2eTk+htpJ6wn7Mu8fKpBhZ74OYiXf6NHoMCJ w4exXAv+inZcbcIrLnfUKPQxbRhoKvJO/DQHvMl7KNtN+H0rjFNu0ASTdQ96hffi SQpolP9kb1cnGH1xGmAcm+4O3LG+3//qNk22R0JpP+UAu3ZVITMXzbhOzyZ26RQK 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metadata/idp-metadata.xml ... <IDPSSODescriptor protocolSupportEnumeration="urn:mace:shibboleth:1.0 urn:oasis:names:tc:SAML:1.1:protocol urn:oasis:names:tc:SAML:2.0:protocol"> ... <KeyDescriptor use="signing"> <ds:KeyInfo> <ds:X509Data> <ds:X509Certificate> MIIFDDCCA/SgAwIBAgIJAN58IPd0DVLpMA0GCSqGSIb3DQEBBQUAMIG0MQswCQYD VQQGEwJVUzEPMA0GA1UECBMGQWxhc2thMRIwEAYDVQQHEwlGYWlyYmFua3MxHTAb BgNVBAoTFFVuaXZlcnNpdHkgb2YgQWxhc2thMSkwJwYDVQQLEyBPZmZpY2Ugb2Yg SW5mb3JtYXRpb24gVGVjaG5vbG9neTEXMBUGA1UEAxMOaWRwLmFsYXNrYS5lZHUx HTAbBgkqhkiG9w0BCQEWDmlhbUBhbGFza2EuZWR1MB4XDTExMDcwNzIzMDc1NFoX DTE0MDcwNjIzMDc1NFowgbQxCzAJBgNVBAYTAlVTMQ8wDQYDVQQIEwZBbGFza2Ex EjAQBgNVBAcTCUZhaXJiYW5rczEdMBsGA1UEChMUVW5pdmVyc2l0eSBvZiBBbGFz a2ExKTAnBgNVBAsTIE9mZmljZSBvZiBJbmZvcm1hdGlvbiBUZWNobm9sb2d5MRcw FQYDVQQDEw5pZHAuYWxhc2thLmVkdTEdMBsGCSqGSIb3DQEJARYOaWFtQGFsYXNr YS5lZHUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCqzXokjJWPQdz8 cHsoSiNADLwYX89wxjTe5Xp47iqSWlx3eaxQlOOSY9OJ59dE4+tN8ACqiWJp0iga 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8QBWVqNSK1+XRDa6lm1v3UkNMBR3+TZG3MAVcYrwHDnUTayxGZ6psy2yY+ET0mwH </ds:X509Certificate> </ds:X509Data> </ds:KeyInfo> </KeyDescriptor> ... </IDPSSODescriptor> <AttributeAuthorityDescriptor protocolSupportEnumeration="urn:oasis:names:tc:SAML:1.1:protocol urn:oasis:names:tc:SAML:2.0:protocol"> ... <KeyDescriptor use="signing"> <ds:KeyInfo> <ds:X509Data> <ds:X509Certificate> MIIFDDCCA/SgAwIBAgIJAN58IPd0DVLpMA0GCSqGSIb3DQEBBQUAMIG0MQswCQYD VQQGEwJVUzEPMA0GA1UECBMGQWxhc2thMRIwEAYDVQQHEwlGYWlyYmFua3MxHTAb BgNVBAoTFFVuaXZlcnNpdHkgb2YgQWxhc2thMSkwJwYDVQQLEyBPZmZpY2Ugb2Yg SW5mb3JtYXRpb24gVGVjaG5vbG9neTEXMBUGA1UEAxMOaWRwLmFsYXNrYS5lZHUx HTAbBgkqhkiG9w0BCQEWDmlhbUBhbGFza2EuZWR1MB4XDTExMDcwNzIzMDc1NFoX DTE0MDcwNjIzMDc1NFowgbQxCzAJBgNVBAYTAlVTMQ8wDQYDVQQIEwZBbGFza2Ex EjAQBgNVBAcTCUZhaXJiYW5rczEdMBsGA1UEChMUVW5pdmVyc2l0eSBvZiBBbGFz a2ExKTAnBgNVBAsTIE9mZmljZSBvZiBJbmZvcm1hdGlvbiBUZWNobm9sb2d5MRcw FQYDVQQDEw5pZHAuYWxhc2thLmVkdTEdMBsGCSqGSIb3DQEJARYOaWFtQGFsYXNr 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dBy3y0HhLJKUnUEgRD6c21bAaRow1uowhNZMZ9Pl+TbJyiOZdWPPUFSXDk/VarwI DOq2Qf8ih5EnbMLVtIDRlAUkfoskx69nWiwt4pmw5BjwnthYdNCfmZLoEJbpWCh8 8QBWVqNSK1+XRDa6lm1v3UkNMBR3+TZG3MAVcYrwHDnUTayxGZ6psy2yY+ET0mwH </ds:X509Certificate> </ds:X509Data> </ds:KeyInfo> </KeyDescriptor> ... :wq! -bash-3.2$ svn ci metadata/idp-metadata.xml -m "Added new IdP cert."
- Submit the new certificate to InCommon for inclusion in the next federation metadata publication. This occurs daily and is done from an administrative web interface. See David Bantz for more details as he currently is the only individual with access to this.
- Test config changes according to Test IdP Config Change procedure.
- Notify non-federation SPs of metadata change and instruct them to update. SPs in the InCommon federation should be polling the InCommon metadata distribution point daily. Wait for SPs to get metadata.
- Move to the new key/certificate and delete the old key/certificate "security:Credential" stanza in the relying party configuration. After this step there should be only one "security:Credential" stanza that points to the key/cert. Note: The id must be "IdPCredential".
-bash-3.2$ svn co svn+ssh://sxjpm@iron.alaska.edu/usr/local/iam/shib-svn/idp/trunk/conf -bash-3.2$ vi conf/relying-party.xml ... <security:Credential id="IdPCredential" xsi:type="security:X509Filesystem"> <security:PrivateKey>/opt/shibboleth-idp/credentials/idp.new.key</security:PrivateKey> <security:Certificate>/opt/shibboleth-idp/credentials/idp.new.crt</security:Certificate> </security:Credential> ... :wq! -bash-3.2$ svn ci conf/relying-party.xml -m "Moved to new IdP key/cert and deleted old IdP key/cert."
- Move to the new key/certificate in the IdP metadata. There should be one "<KeyDescriptor>" stanza after this step in the metadata for the new cert in the "<IDPSSODescriptor>" stanza and the "<AttributeAuthorityDescriptor>" stanza.
-bash-3.2$ svn co svn+ssh://sxjpm@iron.alaska.edu/usr/local/iam/shib-svn/idp/trunk/metadata -bash-3.2$ vi metadata/idp-metadata.xml ... :wq! -bash-3.2$ svn ci metadata/idp-metadata.xml -m "Moved to new IdP cert and deleted old cert."
- Create a new Java Key Store for Tomcat containing the new key/cert for securing the back channel. You will need the ImportKey Java utility for importing a pre-existing cert/key into a Java Key Store. You will also need the InCommon intermediary cert, and the AddTrust Root CA cert for this process. See [ Import Key Util ], [ InCommon Cert ], and [ AddTrust Cert ].
-bash-3.2$ openssl pkcs8 -topk8 -nocrypt -in idp.new.key -out idp.new.key.der -outform der -bash-3.2$ openssl x509 -in idp.new.crt -out idp.new.crt.der -outform der -bash-3.2$ java ImportKey idp.new.key.der idp.new.crt.der Using keystore-file : /opt/tomcat/temp/keystore.ImportKey One certificate, no chain. Key and certificate stored. Alias:importkey Password:importkey -bash-3.2$ keytool -storepasswd -new changeit -keystore keystore.ImportKey -storepass importkey -bash-3.2$ keytool -keypasswd -alias importkey -new changeit -keystore keystore.ImportKey -keypass importkey -storepass changeit -bash-3.2$ keytool -changealias -alias importkey -destalias tomcat -storepass changeit -keystore keystore.ImportKey -bash-3.2$ mv keystore.ImportKey idp.new.jks -bash-3.2$ cp idp.new.jks /opt/shibboleth-idp/credentials/
- Edit the tomcat server.xml config file to change to the new Java Key Store for the back channel query.
-bash-3.2$ svn co svn+ssh://sxjpm@iron.alaska.edu/usr/local/iam/shib-svn/tomcat/trunk/conf -bash-3.2$ vi conf/server.xml ... <!-- added per shibb installation --> <Connector port="8443" protocol="org.apache.coyote.http11.Http11Protocol" SSLImplementation="edu.internet2.middleware.security.tomcat6.DelegateToApplicationJSSEImplementation" scheme="https" SSLEnabled="true" clientAuth="true" keystoreFile="/opt/shibboleth-idp/credentials/idp.new.jks" keystorePass="changeit" /> ... :wq! -bash-3.2$ svn ci conf/server.xml -m "Changed back channel query to use new key/cert."
- Test config changes according to Test IdP Config Change procedure.
References:
