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Results tagged with encryption
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user 11746
Encryption is the process of transforming plaintext using a cipher into ciphertext to make it unreadable to anyone except those possessing the key. Decryption is the process of transforming that ciphertext back into plaintext, using the key.
2
votes
Encryption of log files
Considering that you can never really solve your problem as long as you are running in an untrusted environment, your solution is fine.
To append to an old logfile you need to read the last and secon …
- 456
4
votes
Accepted
How can I process data within a cloud securely?
In general this seems not possible. To process the data, you need to have it in plaintext, and if you have it in plaintext an admin might read it.
However, if your processing needs to read only some …
- 456
0
votes
Large file validation on an embedded system through hash and encryption
Your idea does not seem to provide any security benefit. If an attacker was able to modify the data while preserving the MD5 hash, your encrypted MD5 hash would also stay the same.
One practicable a …
- 456
1
vote
Accepted
Client-server communication
If your environment was fully compromised you could at no point actually decrypt your data, defeating the purpose. So I’m going to assume the user only uses an authentic client and the client’s memory …
- 456