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woliveirajr's user avatar
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woliveirajr
  • Member for 12 years, 8 months
  • Last seen more than a week ago
  • Brazil
36 votes
Accepted

How to inject executable, malicious code into PDF, JPEG, MP3, etc.?

15 votes
Accepted

What should be used as a salt?

12 votes

Is it possible to make a phone call appear to come from another phone, even to the network provider?

11 votes

Is it acceptable practice to only increment a number when changing a password?

9 votes

How big should salt be?

9 votes
Accepted

If I send an email over SSL, will it always be transmitted over SSL?

8 votes

How does the digital signature verification process work?

8 votes

Is there a reason to disable root login, if SSH connections are restricted to a single IPv4 address?

8 votes
Accepted

Atypical DRM situation: distribute pictures to select partners, then prevent them from reusing them

8 votes

Is it possible to construct a passively self-destructing message?

7 votes

How secure is ionCube compiled code?

7 votes

Global check of input/output of known hash functions

6 votes
Accepted

How long shall a certificate be valid?

6 votes
Accepted

Tools needed to setup a paranoid remote backup server

6 votes

What would one need to do in order to hijack a satellite?

6 votes

Getting rid of a large quantity of paper

6 votes

Checking if notebook is clean of hardware spyware

6 votes

Worst case scenario of having the ability to remotely write files to disk as admin

6 votes

Pronounceable Password Generator

6 votes

Securing data on laptop's hdd

6 votes
Accepted

Can key files be brute-forced like passwords?

6 votes
Accepted

How can you I detect low frequency brute forcing over multiple connections?

5 votes

How exactly is MD5 vulnerable to collision attacks?

5 votes

Is it possible to embed information that is both nearly invisible to the naked eye and decodable from an external camera?

5 votes

How often should an SSH key pair be changed?

5 votes

Have hardware trojans been seen in the wild?

5 votes
Accepted

Can the TrueCrypt hash be slowed down?

5 votes
Accepted

Looking for signs of forensics - Assuming they didn't do the smart thing

5 votes
Accepted

How does the encryption of FPGA works?

4 votes

Can Central Authentication Service (CAS) do authorization?