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Results tagged with decryption
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user 189423
The process of decoding data that has been encrypted into a secret format.
2
votes
Accepted
I need to compute a string whose SHA256 hash matches a given prefix. How should I approach it?
If I have understood your problem correctly (from the clarification in your comment), in short, brute force will be your only option. But if you know a few boundaries to the problem and you don't mind …
- 1,061
3
votes
Losing the Initialization Vector in Cipher Block Chaining
In a cipher block chain, each block is XORed with the ciphertext of the previous block, not the plaintext. So even if you cannot decipher one block, as long as you have received the complete block int …
- 1,061