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09 Jun Data encryption and its different methods

Posted at 10:28h in News by

Encryption is a fundamental process for protecting the privacy and security of data being sent, received or stored. This process involves converting a message or information into a secret code that only authorized individuals can decode. Currently, there are several types of encryption that are widely used to encrypt and decrypt information, including symmetric encryption, asymmetric encryption, hash encryption, end-to-end encryption and full disk encryption.

Symmetric encryption is a method that uses the same key to encrypt and decrypt information, and some examples of symmetric encryption algorithms are AES, DES and Blowfish. On the other hand, asymmetric encryption, also known as public key encryption, is a method in which two different keys are used, one to encrypt the information and another to decrypt it. Among the most commonly used asymmetric encryption algorithms are RSA, DSA and ECC.

Hash encryption is another method that uses a mathematical function to convert a message into a fixed-length string of characters. The most common hash encryption algorithm is SHA-256. End-to-end encryption, on the other hand, is a method in which asymmetric encryption is used to ensure that only authorized recipients can decrypt the information. An example of an application that uses end-to-end encryption is WhatsApp.

Finally, full disk encryption is a method in which the entire hard disk is encrypted to protect the data stored on it. Some full disk encryption tools are BitLocker and VeraCrypt.

In summary, encryption is a crucial process for protecting data privacy and security today. Symmetric encryption, asymmetric encryption, hash encryption, end-to-end encryption and full disk encryption are some of the most commonly used encryption methods in use today. The examples provided in this report show how files can be encrypted and decrypted using different encryption algorithms.

 

Encryption examples:

  1. E-mail encryption: is used to protect confidential information sent by e-mail. Examples of email encryption tools are PGP (Pretty Good Privacy) and GnuPG (GNU Privacy Guard).
  2. Password encryption: used to protect passwords stored in a database. An example of a password encryption algorithm is bcrypt, which is widely used in web and mobile applications.
  3. File encryption: used to protect files stored on a computer or external storage device. Examples of file encryption tools include AxCrypt and 7-Zip.
  4. Instant message encryption: used to protect real-time chat conversations in instant messaging applications. An example of an application that uses end-to-end encryption for instant messaging is Signal.
  5. Phone call encryption: used to protect phone calls made by a user. An example of an application that uses end-to-end encryption for phone calls is Signal.
  6. Online payment encryption: used to protect financial data transmitted during online transactions. Examples of online payment encryption tools include SSL (Secure Sockets Layer) and TLS (Transport Layer Security).

 

Sources: BBC, Abdatum, Ionos, Ayuda: Ley Protección de Datos y OpenSSL.

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