Reference: http://books.google.com/books?id=CXy2LBZCVgC&pg=PA201&dq=%22Active+Directory+Integrated+Zones%22,+Secure+replicat ion&hl=en&sa=X&ei=9s92U-v1KIzyASjzILIDg&ved=0CE0Q6AEwAQ#v=onepage&q=%22Active%20Directory%20Integrated %20Zones%22%2C%20Secure%20replication&f=false

The MD5 message-digest algorithm is a widely used cryptographic hash function producing a 128-bit (16-byte) hash value, typically expressed in text format as a 32 digit hexadecimal number. MD5 has been utilized in a wide variety of cryptographic applications, and is also commonly used to verify data integrity.

You can modify how Windows Explorer handles permissions when objects are copied or moved to another NTFS volume. When you copy or move an object to another volume, the object inherits the permissions of its new folder.