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  • Writer's pictureVictoria Hunt

Different Types of Encryptions

Updated: Nov 28, 2023

Encryption is the process of converting information or data into a code or cipher to protect it from unauthorized access. It is widely used in various applications to ensure confidentiality, integrity, and authenticity of data. There are several types of encryption techniques available, each with its own purpose and characteristics.

Symmetric Encryption: Also known as secret key encryption, uses a single key to both encrypt and decrypt data. The same key is used by both the sender and receiver, making it a fast and efficient method for encrypting data. However, the challenge with symmetric encryption is securely sharing the key between the parties involved. Symmetric encryption is commonly used for protecting data stored locally or transmitted over a secure network where the key can be securely shared among trusted entities.

Asymmetric Encryption: Also known as public key encryption, uses two types of keys - a public key and a private key. The public key is used for encryption, while the private key is used for decryption. The public key can be freely shared with anyone, while the private key must be kept secret by the owner. Asymmetric encryption provides a more secure way of exchanging encrypted data, as it eliminates the need for a shared secret key. It is widely used in scenarios such as secure communication over the internet, digital signatures, and secure email.

Hashing: Hashing is a one-way encryption technique that generates a fixed-size output, often a fixed-length string of characters, from an input data of any size. The output, also known as a hash, is unique to the input data, and any changes to the input data will result in a completely different hash. Hashing is commonly used for password storage, digital signatures, and data integrity verification.

SSL/TLS: SSL (Secure Socket Layer) and TLS (Transport Layer Security) are protocols used to establish secure communication over the internet. They use a combination of symmetric and asymmetric encryption techniques to encrypt data transmitted between a client and a server. SSL/TLS ensure the confidentiality and integrity of data transmitted over the internet, making it a widely used encryption technique for securing online transactions, sensitive data transfer, and communication between web browsers and servers.

Disk Encryption: Disk encryption is a technique used to encrypt data stored on physical or virtual disk drives, such as hard drives or USB drives. It prevents unauthorized access to data even if the physical disk is lost or stolen. Disk encryption is commonly used to protect sensitive data on laptops, desktops, and portable storage devices.

File-Level Encryption: File-level encryption is a technique that encrypts individual files or folders, rather than encrypting an entire disk or system. It provides granular control over which files or folders are encrypted and can be useful for securing specific files or folders containing sensitive information. File-level encryption is commonly used in scenarios where selective encryption is required, such as in cloud storage services or collaborative file sharing.

Database Encryption: Database encryption is the process of encrypting data stored in a database to protect it from unauthorized access. It can be implemented at different levels, such as full database encryption, column-level encryption, or field-level encryption, depending on the sensitivity of the data. Database encryption is commonly used in applications that store large amounts of sensitive data, such as financial systems, healthcare systems, and customer relationship management (CRM) systems.

Quantum Encryption: Quantum encryption, also known as quantum key distribution (QKD), is a type of encryption that uses the principles of quantum mechanics to secure communication. It leverages the unique properties of quantum particles, such as superposition and entanglement, to generate and distribute encryption keys that are inherently secure. Quantum encryption is considered to be highly secure against attacks from quantum computers, which have the potential to break many classical encryption algorithms. In conclusion, encryption is a critical tool for protecting data and ensuring secure communication in today's digital world and is a crucial tool in maintaining the confidentiality, integrity, and authenticity of data. There are various types of encryption techniques available, each with its own strengths and purposes. It's important to note that encryption is not infallible, and the security of encrypted data depends on the strength of the encryption algorithm, the length of the encryption key, and the proper management of encryption keys. It's also essential to keep encryption software and protocols up-to-date to protect against new vulnerabilities and attacks. With the increasing reliance on digital communication and data storage, understanding different types of encryption and their purposes is vital in safeguarding sensitive information and ensuring secure communication in the digital age.

Chem ID's primary focus is using the block chain technology as the choice of encryption that is used. By using the block chain companies can with the ability to Veriseal can ensure that data is protected. For more information, you can get in contact and request a demo by emailing or by calling (737) 231-0772.


  1. Cryptography and Network Security: Principles and Practice" by William Stallings

  2. "Applied Cryptography: Protocols, Algorithms, and Source Code in C" by Bruce Schneier

  3. "The Basics of Digital Privacy: Simple Tools to Protect Your Personal Information and Your Identity Online" by Denny Cherry

  4. "Introduction to Modern Cryptography: Principles and Protocols" by Jonathan Katz and Yehuda Lindell

  5. "Handbook of Applied Cryptography" by Alfred J. Menezes, Paul C. van Oorschot, and Scott A. Vanstone

  6. "Network Security Essentials: Applications and Standards" by William Stallings

  7. "Public Key Cryptography: Applications and Attacks" by Wenbo Mao

  8. "Principles of Information Security" by Michael E. Whitman and Herbert J. Mattord

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