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Eric Mann's Blog

  • Writing
  • Securing tokens in PHP
    February 21, 2022

    Securing tokens in PHP

    Learn how password reset and other tokens can be secured by splitting the data and leveraging common password hash methodologies.

    Security, Technology
  • Paying off technical debt
    February 20, 2022

    Paying off technical debt

    Every successful development team has two things in common: They’ve shipped a product, and they accepted compromises to make that shipment possible.

    Technology
  • Cryptopals: Set 1 – challenge 5
    February 19, 2022

    Cryptopals: Set 1 – challenge 5

    Breaking encryption is fun. Building an encryption cipher is even more so! Let’s continue our Cryptopals journey with XOR.

    Security, Technology
  • Cryptopals: Set 1 – challenge 4
    February 18, 2022

    Cryptopals: Set 1 – challenge 4

    Now that we know how to crack a single-byte XOR cipher, let’s expand and crack even more through Cryptopals’ next challenge.

    Security, Technology
  • Cryptopals: Set 1 – challenge 3
    February 17, 2022

    Cryptopals: Set 1 – challenge 3

    Next up in our Cryptopals walkthrough is some frequency analysis against simple cryptographic keys. Let’s have some fun!

    Security, Technology
  • Cryptopals: Set 1 – challenge 2
    February 16, 2022

    Cryptopals: Set 1 – challenge 2

    Building on our cryptopals encoding work last time, let’s introduce byte-based XOR operations.

    Security, Technology
  • Cryptopals: Set 1 – challenge 1
    February 15, 2022

    Cryptopals: Set 1 – challenge 1

    Challenge 1 in the cryptopals suite is to juggle between Base64 and Hex encoding of byte strings. Let’s do just that, with value objects!

    Security, Technology
  • The Cryptopals challenges
    February 14, 2022

    The Cryptopals challenges

    Starting today I kick off a series on the cryptopals crypto challenges, with my implementations in PHP. Feel free to join in the fun!

    Security, Technology
  • One perspective on career stages
    February 13, 2022

    One perspective on career stages

    Different people see career progression from their own angles. I’ve encountered one that makes sense, tho I don’t so much see it as a progression.

    Business
  • Do the dishes – right now
    February 12, 2022

    Do the dishes – right now

    Refactoring legacy code is like cleaning the dishes. Someone has to do it – hopefully before the stack of moldering waste falls on the floor.

    Technology
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