Search found 4 matches

by philios33
Thu Jun 11, 2015 7:23 pm
Forum: AES Crypt
Topic: HMAC2 including modulo?
Replies: 1
Views: 8500

HMAC2 including modulo?

Hi Paul I noticed that my PHP implementation only seems to be compatible with the application when I dont include the file size modulo in the second HMAC. An attacker could modify the byte at address (file size - 33) and cause up to an extra 15 bytes of truncation without the integrity being comprom...
by philios33
Fri Jan 23, 2015 9:25 pm
Forum: AES Crypt
Topic: PHP Implementation
Replies: 5
Views: 6576

Re: PHP Implementation

Hi Paul Thanks for that. I wonder if you have any sample .aes files which use the older formats (version 0 and 1). I have implemented decryption for these formats but I have no way to test my library without any samples. A google search came up dry and the windows software doesn't write the older ve...
by philios33
Fri Dec 05, 2014 12:42 pm
Forum: AES Crypt
Topic: PHP Implementation
Replies: 5
Views: 6576

Re: PHP Implementation

Thanks for that. It encrypts the whole file like the other software on your site. I would say the one above is a port of the java class. One problem I found is that extension blocks cant be more than 255 bytes long but the documentation suggests that extension blocks length is defined using two octe...
by philios33
Fri Dec 05, 2014 12:31 am
Forum: AES Crypt
Topic: PHP Implementation
Replies: 5
Views: 6576

PHP Implementation

Hi

I have made a PHP Implementation of your wonderful file format as I think it could be really useful for PHP developers.
https://github.com/philios33/PHP-AES-File-Encryption

Is there a way to get a link to the source on to your website on this page?
https://www.aescrypt.com/download/

Thanks

Phil