# Package org.apache.tomcat.util.security

package org.apache.tomcat.util.security

- Related Packages
  Package
  Description
  org.apache.tomcat.util
- Class
  Description
  ConcurrentMessageDigest
  A thread safe wrapper around `MessageDigest` that does not make use of ThreadLocal and - broadly - only creates enough MessageDigest objects to satisfy the concurrency requirements.
  Escape
  Provides utility methods to escape content for different contexts.
  KeyStoreUtil
  MD5Encoder
  Deprecated.
  Unused.
  PermissionCheck
  This interface is implemented by components to enable privileged code to check whether the component has a given permission.
  PrivilegedGetTccl
  PrivilegedSetAccessControlContext
  PrivilegedSetTccl