+ Reply to Thread
Results 1 to 3 of 3

Thread: HMAC over MD5

  1. Senior Member
    Join Date
    Jul 2016
    Location
    New Hampshire
    Posts
    356

    Certifications
    CCNET, CCNA R&S, ITIL, MCP, Security+
    #1

    Default HMAC over MD5

    Good Morning Everyone,

    I'm studying for my Security+ using Darril Gibson's book. Chapter 10 discusses Crypto and I'm not understanding HMAC and how it works over MD5. I re-read the section several times and found mainly fluff and not much meat. I'm having trouble understanding why you would do this instead of just using MD5. In my humble opinion, the HMAC sections are on the weak side and not explained very well.

    If anyone can explain this to me, I would appreciate it.

    Thank you in advance.
    Reply With Quote Quote  

  2. SS -->
  3. Senior Member
    Join Date
    Jan 2015
    Location
    Chicago, IL
    Posts
    950

    Certifications
    Too many MCPs and MCTS, MCSA: Security, MCSE: Security, MCSA: 2003, 2008, 2012, MCITP: EA, CISSP-ISSAP, SCS DLP, GREM
    #2
    Read wiki article on HMAC, it has exact formula and pseudocode. From computational viewpoint (cracking) it is roughly twice more expensive than just a hashing algorithm used (like MD5).
    Reply With Quote Quote  

  4. Level 99 Wizard Skyliinez92's Avatar
    Join Date
    Oct 2015
    Location
    Falador
    Posts
    404

    Certifications
    CompTIA A+ Net+ | Sec+ | MCTS: Win 7 MCP | MTA NF | MTA OSF
    #3
    Currently working at: MCSA: Windows 10 (70-698, 70-697)
    2018/2019 Goals: MCSE: Mobility, MCSA: Windows Server 2012, RHCSA

    "There are 10 types of people in this world; those who understand binary and those who don't." - Anon
    Reply With Quote Quote  

+ Reply to Thread

Social Networking & Bookmarks