Encryption Issues

  • pixienick
  • Newbie
  • Newbie
  • pixienick
  • Posts: 9

Post 3+ Months Ago

Hi there
i was just implementing the action crpyt library and make my user's names and passwords all scrambled, which works great.
Does anyone know of how to overcome the problem of people dissasembling a flash movie and reading the encryption algorithms contained within?
cheers
  • Natal
  • Beginner
  • Beginner
  • Natal
  • Posts: 49
  • Loc: Transylvania

Post 3+ Months Ago

try using hashing.

Quote:
The MD4, MD5 and SHA-1 algorithms are secure hash functions. They take a string input, and produce a fixed size number - 128 bits for MD4 and MD5; 160 bits for SHA-1. This number is a hash of the input - a small change in the input results in a substantial change in the output. The functions are thought to be secure, in the sense that it would require an enormous amount of computing power to find a string which hashes to a chosen value. In others words, there's no way to decrypt a secure hash. The uses of secure hashes include digital signatures and challenge hash authentication.


They can view all your source and still won't get the password, only the hashed one, but that can't be reverted to the password, even if they have the algorythm.

Google for some hash algorythms
  • pixienick
  • Newbie
  • Newbie
  • pixienick
  • Posts: 9

Post 3+ Months Ago

cheers, nice one

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