| Name | Description | Type | Package | Framework |
| CertificateUtils | Class | org.eclipse.jetty.util.security | Jetty | |
| CertificateValidator | Convenience class to handle validation of certificates, aliases and keystores Allows specifying Certificate Revocation List (CRL), as well as enabling | Class | org.eclipse.jetty.util.security | Jetty |
| Constraint | Describe an auth and/or data constraint. | Class | org.eclipse.jetty.util.security | Jetty |
| Credential | Credentials. | Class | org.eclipse.jetty.util.security | Jetty |
| Credential .Crypt | Unix Crypt CredentialsSee Also:Serialized Form | Class | org.eclipse.jetty.util.security.Credential | Jetty |
| Credential .MD5 | Class | org.eclipse.jetty.util.security.Credential | Jetty | |
| Password | Password utility class. | Class | org.eclipse.jetty.util.security | Jetty |
| UnixCrypt | Unix Crypt. | Class | org.eclipse.jetty.util.security | Jetty |