Infinite Recursion

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I'm not a Narc though I work with the DoD.

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Pizentios

Heh, yeah we sure did turn this thread into a tangent.

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mhykgyver

:o ...c'mon now guys...i need this for my master's... i have this one subject(advance data struct and algorithms) and our instructor(albeit a mcsd) asked us to create a hash table to encrypt data...he gave an example(using .net's RJndael algo) but he basically does not want functions...he wants the actual code itself...ughhh, it kinda' frustrates me, i've been reading quite a few articles and chapters in some books but i can't seem to connect it's use to cryptography...help guys...please...( when i say help, i need the code or at least an algorithm on how to do it or a link maybe....hehehehehehe)...

big_k105

i will keep my eyes open and let you know if i see something

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kurifu

Man, that is avery broad question to answer specifically. Have you taken a look at the mathematical function of the hadh algorithm and crypto you are looking at using? I am not personally familiar with that algorithm, but I do have some knowledge on encryption.

http://mathworld.wolfram.com has a lot of good resources, actually search for "RC5" while you are there and it will show you how encryption works, the very basics of it.. that is atleats a starting point.

(Well I guess not so masic, they have a complete mathematical layout of how the algorithm works, it is very interesting).

What hashing algorithm are you using? And what cypher are you using (or is it you have to write your own Hash and Cyphers? that is not so difficult). I do not understand 100% what you quesiton is, lol.

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mhykgyver

so here's the bottom line, guys..our mentor gave us, as an example, a soldier is in a battlefield and needs to transmit data...so the data is transmitted but is encrypted so the enemy will have a hard time deciphering it...so, basically, it's just encrypting a simple text message then deciphering it using a key(god, i wanted to sleep when our instructor was disussing this, got interested in the programing part, though)...

so i really do need to write my own code since my instructor will be checking it...

mhykgyver

oh, btw, thanx for the links..i'll be checking it...

Pizentios

so, you just need to make somthing that encrypts text? Or an actual "new" encryption?

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kurifu

Are you using single or double key cyphers though? In most situations the transmission in all reality would be using double key incryption, two keys are created for one direction of transmission, a public and private key, only one can encrypt and only the other can decrypt.

While if you are using a single key algorith a simple XOR based encryption will work. I would imaging you want a double key system though since XOR based encryption is really simple in concept.

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