Anonymity and Privacy are important topics of this decade. A lot of states, companies or persons try to crack or censorship peoples anonymity and privacy. There are different ways to protect us from these attacks....
Security is important part of the today’s IT operations. There are a lot of tools which provides some part of the secure operations. GNU Privacy Guard or simply GPG is a one of them. It...
Security is important part of the today IT and gains more respect from IT world. Hashing is a security measure to protect and check our data. In this tutorial we will look how to use...
OpenSSL is very popular security library and tool. OpenSSL provides a lot of security algorithms, standards, protocols as library and tool. OpenSSL mainly developed in the Free software and Linux community but this doesn’t mean...
Trusted Platform Module or TPM is an international standard for a secure cryptoprocessor. This standard is developed by Trusted Computing Group and standardized by International Organizational Standardization (ISO) and International Electrotechnical Commission (IEC) with number...
Virtual Private Network simply VPN is one of the most known IT terms between people. What is a VPN? Virtual means the network or tunnel we will create is virtual not a physical network. This...
GnuPG is an opensource and popular alternative to the PGP. PGP provides encryption-related function. PGP provides a hash function like standard Linux packages. We will look ow to verify files downloaded from the internet with...
Hi, x509 certificates are used widely by a lot of applications. Generating x509 certificates seem to be hard and rocket science, but it is not. We will generate a key named t1.key and then create...
Generating random numbers can seem odd. But it is very important for security. Insecurity field whatever best cipher or algorithm you use if you can’t generate random numbers it is useless from point of view...
RSA is an algorithm used for Cryptography. It was patented until 2000 in the USA (not the whole world) where now it can be used freely. RSA has a lot of usage examples but it...
