# Package org.apache.tomcat.util.security

package org.apache.tomcat.util.security

- Related Packages
  Package
  Description
  org.apache.tomcat.util
- Classes
  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.
  ConstantTime
  Utility class for methods that, for security reasons, need to run in - as far as practical - constant time.
  Escape
  Provides utility methods to escape content for different contexts.