Search found 3 matches

by tamula
Thu Feb 12, 2015 1:09 pm
Forum: AES Crypt
Topic: Information about encryption
Replies: 6
Views: 17221

Re: Information about encryption

Thanks for your reply. Since the MAC is fixed and deosn't change, the IV1 is generated by hashing the time. So if you encrypt more than one file a second you are reusing that IV1...
It seems pretty weird to me to use the correct implementation for IV2 (although hashing is not needed I guess), but ...
by tamula
Thu Feb 12, 2015 10:16 am
Forum: AES Crypt
Topic: Information about encryption
Replies: 6
Views: 17221

Re: Information about encryption

looks like its done by time and MAC adress:
https://github.com/kenkendk/sharpaescrypt/blob/master/Source/SharpAESCrypt.cs#L616

OMG....

edit: generation of IV2 looks better: https://github.com/kenkendk/sharpaescrypt/blob/master/Source/SharpAESCrypt.cs#L681
m_crypt.GenerateIV(); sounds like a ...
by tamula
Wed Feb 11, 2015 12:38 pm
Forum: AES Crypt
Topic: Information about encryption
Replies: 6
Views: 17221

Information about encryption

Hi guys,

sorry, if this is already answered somewhere else, I didn't found it. I just found this website (https://www.aescrypt.com/aes_file_format.html). I'm looking for some infos especially regarding the C# implementation.

- What is the key size?
- Can you change the key size? (I guess not ...