Linked Questions
10 questions linked to/from Why is writing your own encryption discouraged?
17
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Creating your own encryption and decryption algorithm
I'm very uneducated when it comes to cryptography. I have tried to find an answer to my question, but what I've read doesn't quite cover what I'm asking.
I have thought up my own encryption algorithm ...
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17
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4
answers
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Creating cryptographic algorithms at runtime
Would it be possible to create a program with which to create a cryptographic algorithm (i.e. encryption or hash) using well-known elements of other algorithms in the same way that algorithms "reuse" ...
- 189
15
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2
answers
3k
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Mixing algorithms for password hashing good or bad?
So I've come across the following algorithm for hashing passwords
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- 153
9
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2
answers
2k
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Is RC4 secure with a single-use 32-byte random key prefix and 3072 prefix bytes discarded?
Are there any known attacks against RC4 if used with a single-use, random-generated 32-byte key, and 3072 random bytes prepended to the plaintext?
Are there any reasons why we should consider such a ...
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1
vote
3
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8k
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Writing your own Encryption algorithm?
Simple answer (and I know this is a simple yes or no) is it possible to write an encryption that is 100% uncrackable, as long as I keep certain parts private? It's just for personal use.
I'm a ...
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4
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2
answers
1k
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Rolling your own crypto
I know this is usually frowned upon, but supposing you were to roll your own encryption cipher (completely on your own or with a small group of friends, with no peer review possible), what could you ...
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3
votes
1
answer
613
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If and why is it bad to scrypt a bcrypted password?
This has been already brought up on security SE, but very sadly, this particular interesting issue got watered down in a far broader question.
If and why is it bad to use the following hashing ...
- 159
0
votes
2
answers
446
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What type of encryption is this homebrew "encyption algorithm"? ${}$
Background:
Quite a long time ago (somewhere 1998) I thought I was really clever and invented my own encryption/decryption code. Looking through old code I rediscovered my old algorithm. (No, it was ...
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1
vote
1
answer
201
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Would it be any good to create a new cryptographic hash function?
Would it be beneficial to create a cryptographic hash function for more security. A cryptographic hash function is pretty much a pseudorandom string generating algorithm and it can easily be made ...
- 113
1
vote
1
answer
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New Cryptographic Algorithm [closed]
I was wondering about an algorithm that would take a bitstring as an input, shuffle it and output it. You could use a deterministic RNG to select pairs of bits to swap, using the seed as some sort of ...
