CTemplar email security ARTICLE

Importance of Encryption

There is no denying that data security is of great importance in our individual lives. In fact, our personal security, as well as economic progress, relies on the safety and protection of data. Therefore, we tend to rely explicitly on ‘encryption’ for digital protection. Due to an increased online presence, the world population lives under the constant threat of falling victim to cybercriminals. Data breach has become one of the major crime incidents since 2015 where reportedly, at least, 423 million people became victim to cybercrime and data theft.


Many PC users are mindful of the internet and data security; data breach can lead to serious costs. Also, with the increasing online presence, everyone is striving to maintain his or her privacy via encryption. Encryption permits people to protect their personal information, such as emails, passwords, shared files, and other sensitive data. For this, they tend to rely on any of the various encryption methods, such as AES, RSA, Blowfish, Triple DES, etc. All PC users ought to know about the various techniques of encryption since they have the basic rights to stay safe and secure not only in their public interactions but, also in their private interactions.


Different Types of Encryption


Before we plunge into understanding the basic versions of encryption methods, let’s talk a bit about how encryption works.  For a layman, it would be easy to understand it this way; suppose you want to send an email to your friend, any encryption method will disarrange and scrabble the ‘plain text’ in a way that it will be unreadable to ‘other’ parties. Once decrypted, the message will be readable to your intended recipient alone, your friend. Simply put, the encryption ensures that curious eyes stay out of your private business.


AES (Advanced Encryption Standard) is the typical algorithm trusted and used by the American Government and countless other organizations. This symmetric encryption algorithm is deemed to be one of the most secure. The U.S. Government uses this encryption method to protect crucial information. This encryption method implies a block cipher that unlike other encryption methods encrypts data in one block (fixed-size) at one time.

AES comprises of AES-128, AES-256, and AES-192; as per selection of the respective key bit, the blocks get decrypted in 128 bits, 256 bits, etc. Each of the bit keys has different rounds; for example, there are 12 rounds for 192-bit. A ‘round’ refers to the operation of developing ‘plain text’ into cipher-text.

Triple DES

3DES (Triple Data Encryption Standard) is a block cipher and a current standard of data encryption. It is identical to the original DES algorithm that employs 56-bit keys. As indicated by the term, 3DES tends to encrypt data three times while applying three respective 56-bit keys. In this way, the 56-bit turns into a 168-bit key. However, because of the three-time data encryption, this method is slower as it requires more time to process. Moreover, Triple DES utilizes shorter block lengths that lead to data leakage and easier decryption. Despite being slowly terminated by the majority, Triple DES is still in use by some financial institutions and other businesses to keep their information secure.


The encryption method of Blowfish is used in a wide array of products and services that require password management tools and relevant platforms for securing payments. This encryption algorithm is used as a replacement for the DES algorithms. It is a symmetric block cipher as the same key is used for encryption and decryption. The encryption method of Blowfish breaks the plain text into 64-bit blocks while encrypting them individually. Blowfish is popular for its immense speed and general efficacy that is acknowledged by many as ‘undefeatable’.


This method uses the public-key cryptography to share data across an insecure network. RSA cryptography consists of two keys: one private key and one public key. As indicated by the names, the public key is ‘public’ and accessible to all. However, the private key is rather confidential. The users of RSA cryptography require both keys to for the successful encryption and decryption of the message. In contrast to other encryption algorithms, RSA is more secure as its key size is relatively larger i.e. it is typical for RSA keys to be 1024-bits and 2048-bits long which makes it difficult for hackers to break through the massive mumbo jumbo.


This symmetric block cipher is based on its earlier version of block cipher which is the Blowfish. It is like AES as it applies rounds of encryption while changing plain text into cipher text. However, unlike AES the numbers of rounds do not vary; in fact, they stay the same for all key-size, which are 16 rounds. Twofish comprises a block size of 128 to 256-bits that work perfectly well on smaller hardware and CPUs. This encryption method is unpatented and open source.


Here’s what CTemplar does


We use 4096-bit end-to-end encryption that ensures maximum protection. In fact, this encryption allows users to communicate online in the most secure and private manner. This end-to-end encryption prevents anyone, even the one who is monitoring the network, from reading and viewing the private conversations, emails, shared files etc. What makes an end-to-end encryption so special is the fact that you have full control over your privacy and who reads your private messages.


CTemplar is Headquartered in Iceland, which means the webmail server is situated at a region that encompasses a high level of data protection. Additionally, there are no legal agreements involved with other countries regarding sharing and disclosing the private data of its users. We provide an ideal platform for sending emails and sharing files, with no hidden website backdoors; rather, it provides an open source system.

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