Unanswered Questions
4,223 questions with no upvoted or accepted answers
17
votes
0answers
915 views
Emacs and EasyPG not performing public key encryption
I have a file which I edit and encrypt following this guide.
I'm a noob as far as security goes and thought that the point of including the line which specifies the cryptographic key to use
-*- mode:...
9
votes
0answers
455 views
OpenSSL EVP aes_256_cbc Initialization Vector Size
I'm looking at the crypto library examples (programmed in c) provided for OpenSSL EVP on OpenSSL Wiki.
Their example for a 128 bit Initialization Vector is as follows:
/* A 128 bit IV */
...
9
votes
1answer
1k views
Openid connect nonce replay attack
The openid connect specification adds a nonce parameter to the authorize endpoint, which must be echoed back as a claim in the id_token. It claims that the purpose of this parameter is to prevent ...
9
votes
1answer
298 views
Pin required for accessing (smartcard) Card Authentication Slot
So let me set the stage:
I have created an Intermediate Signing Certificate by way of the Yubico walkthrough: https://developers.yubico.com/PIV/Guides/Certificate_authority.html
I made a couple ...
9
votes
2answers
2k views
dnsspoof not spoofing (requests and forwards real DNS packet)
I was trying to use dnsspoof but it did not work as expected. These are the steps I followed:
Set IP forward in kernel to 1
arpspoof -i eth0 -t 192.168.1.39 -r 192.168.1.1 and arpspoof -i eth0 -t 192....
9
votes
0answers
633 views
How to properly secure an ActiveMQ instance, and what are all of the different files for?
I'm trying to configure user based authentication for ActiveMQ, and I'm pretty confused about the many different files involved in this process. I've read ActiveMQ's security page, but I still have ...
8
votes
3answers
5k views
SQL Injection Escaping Challenge Security Shepherd
I am using Security Shepherd as a training tool and I am now in challenge SQL Injection Escaping Challenge. The challenge is as it can be seen below:
When I makae a query just like the one above (...
8
votes
2answers
3k views
importing OpenVAS xml in metasploit
I am practising in my lab with some metasploitable machines, and I just realised that the vulns declared by OpenVAS 6.01 in the scan report aren’t imported in Metasploit 4.11.5 by the db_import report-...
7
votes
1answer
133 views
Security implications of download attribute
The download attribute in an a element tells the browser to force the download of a file that otherwise would be interpreted by the browser. This is very convenient, since often users want to download ...
7
votes
1answer
286 views
PSD2 compliant two factor authentication
According to PSD2 the elements of the multi-factor authentication must be independent so the compromise of one element does not compromise the other.
Here is the article from the directive:
*...
7
votes
0answers
1k views
DMA attacks despite IOMMU isolation
If you're already familiar with PCI behavior and Linux's handling of DMA buffers, skip to the third section for my actual question. Otherwise read on for a small summary of how PCI devices perform ...
7
votes
2answers
1k views
Extract WPA PSK from airodump-ng output file
How can I get the PSK hash in plain text from a airodumnp-ng .cap file ?
Example :
Hash :
af8cfcf3c66d6e279d3fcb43e78569e872446e24f5f190350637fa174d9ece63
I understand aircrack-ng -J file....
7
votes
0answers
235 views
Can SRP be implemented using libsodium
I am using libsodium for cryptography and I want to use SRP for key exchange. The wikipedia page lists a python example, but I am not sure if and how I could convert this to libsodium function calls.
...
7
votes
0answers
291 views
Is there any merit to the RFC 3414 (SNMPv3 User Security Model) password-to-key method?
RFC 3414 (published 2002) specifies a method of generating keys based on password in its Appendix, which essentially takes any "passphrase", and keeps on repeating it until there is a 1MB string, at ...
7
votes
3answers
6k views
What is a AUTH-KEY in the security of the computers?
I'm studying security in computers and in particular the URL Spoofing. I understand that a form of URL spoofing is phishing. Then I read that a countermeasure against phishing is the authentication ...
