Encrypting sensitive data is very essential these days.If you are sending very important(or sensitive) E-mail or if you want to digitally sign and secure your online communication then you will need a software or tool that will perform encryption/decryption,key management and other stuffs.
Encryption Software for Ubuntu 10.04
There are many softwares and tools available on the internet for encryption/decryption but here I am going to introduce you with two great Open Source and Free encryption Tool :
1.GnuPG(GPG) : Command Line encryption tool for Ubuntu 10.04
GnuPG(GNU Privacy Guard) or GPG is an encryption tool developed under GNU project by implementing Open PGP standard.You can use GPG for encrypting and signing data or communication.GPG’s key management system is brilliant.You may feel scary when you think that it has no graphical interface i.e it is a command line tool,but its features and efficiency will force you to learn some commands(It is really simple) to work with it.It is open source and available free for Linux based operating system like Ubuntu 10.04 although A windows version of GPG Gpg4win is also available for windows users.It is installed by default in Ubuntu 10.04,otherwise you may use Synaptic Package Manager.
Important Features of GPG :
- It can be used as a filter program.
- It has support with DSA,AES,RSA,Blowfish,Twofish,3DES,CAST5,MD5,TIGER and many more.
- It doesn’t use any patented algorithm.
- A good substitute of PGP.
- You can easily ad new algorithms by using extension modules.
- It supports signature and key expiration dates.
More details on GPG’s features
Download GPG
2.TrueCrypt : disk encryption tool with GUI
Truecrypt is an open source software(with graphical user interface) used for encrypting disk(hard disk,pendrive).
Features of Truecrypt : You can use TrueCrypt for creating virtual disk within a file that can be mounted as disk.You can also encrypt whole partition or storage media such as USB flash drive or hard disk.It supports AES-256,Twofish and others.It is available for all major platform i.e for Linux,Windows and MAC-OS.Encryption is automatic and transparent.For more details about its features you may like to go to its official website(Link is given below).