An Overview of Cloud Cryptography - GeeksforGeeks (2024)

Google Cloud Platform - Deployment to Cloud Storage

Startup scripts can be used to install software and updates, and to ensure that services are running within the virtual machine. This script will automatically run whenever your instance restarts. In this article, we will create an instance of Compute Engine and deploy it over the cloud to understand the process of deployment on Google Cloud Storag

Google Cloud Platform - Securing Cloud Run REST API using JWT

If you happen to be building a REST API on Google Cloud Run, securing the API is one of the crucial aspects of it. It is serverless and exposes data from a Cloud SQL database as a REST API. Securing the REST API can be done using JWT. To better understand it, let's take an example. Problem Statement: Suppose there exist an app say TripBuddy, which

Google Cloud Platform - Creating a Cloud Monitor

Cloud monitoring is the process of reviewing and managing the operational workflow and processes within a cloud infrastructure or asset. These techniques confirm the performance of websites, servers, applications, and other cloud infrastructure. The following steps create the monitor in the Google cloud console. Step 1: Create a Compute Engine inst

Image Steganography in Cryptography

The word Steganography is derived from two Greek words- 'stegos' meaning 'to cover' and 'grayfia', meaning 'writing', thus translating to 'covered writing', or 'hidden writing'. Steganography is a method of hiding secret data, by embedding it into an audio, video, image, or text file. It is one of the methods employed to protect secret or sensitive

Birthday attack in Cryptography

Prerequisite - Birthday paradox Birthday attack is a type of cryptographic attack that belongs to a class of brute force attacks. It exploits the mathematics behind the birthday problem in probability theory. The success of this attack largely depends upon the higher likelihood of collisions found between random attack attempts and a fixed degree o

Bifid Cipher in Cryptography

This cipher technique considered more secure compared to other substitution algorithms reason being it breaks the message apart into two separate streams and then recombines them. It is a combination of the Polybius square with the transposition and uses fractionation to achieve diffusion. This encrypting technique invented by Felin Delastelle. It

Cryptography and Network Security Principles

In present day scenario security of the system is the sole priority of any organisation. The main aim of any organisation is to protect their data from attackers. In cryptography, attacks are of two types such as Passive attacks and Active attacks. Passive attacks are those that retrieve information from the system without affecting the system reso

Shamir's Secret Sharing Algorithm | Cryptography

Cryptography is a technique of securing information and communications through the use of codes so that only those person for whom the information is intended can understand it and process it. Thus preventing unauthorized access to information. The prefix “crypt” means “hidden” and suffix graphy means “writing”. In this article, a type of cryptogra

Fernet (symmetric encryption) using Cryptography module in Python

Cryptography is the practice of securing useful information while transmitting from one computer to another or storing data on a computer. Cryptography deals with the encryption of plaintext into ciphertext and decryption of ciphertext into plaintext. Python supports a cryptography package that helps us encrypt and decrypt data. The fernet module o

Password Entropy in Cryptography

Password Entropy is the measure of password strength or how strong the given password is. It is a measure of effectiveness of a password against guessing or brute-force attacks. It decides whether the entered password is common and easily crack-able or not. It is calculated by knowing character set (lower alphabets, upper alphabets, numbers, symbol

Difference between Cryptography and Cyber Security

In today's world, where technology has become an integral part of our lives, ensuring the security of our digital data has become more important than ever. Cryptography and Cyber Security are two terms that are often used interchangeably, but they have different meanings and purposes. In this article, we will explore the differences between these t

CAST Algorithm in Cryptography

CAST is a general procedure for creating a family of block ciphers. Individual ciphers have names like CAST-128 and CAST-256. The article focuses on discussing the CAST algorithm in cryptography. What is CAST Algorithm?The CAST algorithm is generally used in IP security and follows the Fiestal structure, as the Fiestal structure divides the plain t

Merkle-Damgard Scheme in Cryptography

Pre-requisites: Cryptography and its Types MD scheme(discovered by Ralph Merkle) is used to build collision-resistant cryptographic hash functions from collision-resistant one-way compression functions. It is used in algorithms like SHA-1, SHA-256, etc. This scheme can be divided into two stages: Stage 1: Design a fixed-length, collision-resistant

What is p-box in Cryptography?

P-boxes are permutation boxes which are usually one of the main components of a modern block cipher. They are also known as D-boxes or diffusion boxes. P-boxes are used in the block cipher called the data encryption standard commonly known as DES in cryptography. In this article, we will look into what are p-boxes, the types of p-boxes, and how to

Vernam Cipher in Cryptography

Vernam Cipher is a method of encrypting alphabetic text. It is one of the Substitution techniques for converting plain text into cipher text. In this mechanism, we assign a number to each character of the Plain-Text, like (a = 0, b = 1, c = 2, ... z = 25). Method to take key: In the Vernam cipher algorithm, we take a key to encrypt the plain text w

Visual Cryptography | Introduction

Introduction: Visual cryptography is a method of secure communication that uses images to encrypt secret messages. It operates by splitting an image or text into multiple shares, such that when the shares are overlaid, the original image or text becomes visible. Here is how it works:The original image or text is divided into two or more shares, eac

Cryptography in IoT (Internet of Things)

Cryptography plays a vital role in securing information and data through the use of codes that transform the data into an unreadable format without a proper key thus preventing unauthorized access. In simple words, we can say that organizations use cryptography to secure communication channels. What is IoT?The Internet of Things (IoT) describes a n

What Should Be the Length of the Symmetric Key in Cryptography?

In cryptography, a message is secured by encrypting it with a certain key and then sending it over the network. The security of the encryption process depends upon the key length. The article focuses on discussing the appropriate key length of the symmetric key in cryptography. What is Key Length?The keys are used to control the operation of a ciph

Difference between Cryptography and Cryptology

Cryptography is defined as the study of rules and regulations that protect data from unauthorized access and it is also the study of conversion of plain text to cipher text. On the other hand, Cryptology is the study of the conversion of plain text to ciphertext and vice versa. It is also called the study of encryption and decryption. One major dif

Advantages and Disadvantages of Cryptography

Cryptography is a strong tool for keeping the confidentiality, integrity, and authenticity of messages and data in many different systems, Cryptography is all about secured methods of communication and information techniques that are based upon mathematical algorithms to encrypt the messages such that it is not readable by third parties. In this ar

Asymmetric Key Cryptography

In asymmetric Key cryptography, there are two keys, also known as key pairs: a public key and a private key. The public key is publicly distributed. Anyone can use this public key to encrypt messages, but only the recipient, who holds the corresponding private key, can decrypt those messages. "Public-key cryptography" is another representation used

Symmetric Key Cryptography

Symmetrical Key Cryptography also known as conventional or single-key encryption was the primary method of encryption before the introduction of public key cryptography in the 1970s. In symmetric-key algorithms, the same keys are used for data encryption and decryption. This type of cryptography plays a crucial role in securing data because the sam

What is Fingerprint in Cryptography?

A Fingerprint in cryptography is a small key that helps identify a longer public key. Fingerprints are used for key authentication and other cryptographic security measures, resulting in greater efficiency with fewer data volumes. Security certificate systems may require manual key authentication to promote proper security practices. Fingerprinting

What is N2 Problem in Cryptography?

The N2 problem emerges as a significant challenge in cryptography, protecting and safeguarding the information is most important. This problem is related to the issues of scalability and it arises when handling large volumes of data and also when processing numerous cryptographic operations at the same time. In this article, we will understand the

How Do Cryptocurrencies Use Cryptography?

Cryptography is the technology that ensures security and reliability in cryptocurrency transactions. It is the foundation of this revolution that cryptocurrencies have changed our perception and practice of value exchange in the digital era. In particular, this paper elaborates on the relationship between cryptography and cryptocurrencies by diving

ECB Mode vs CBC Mode in Cryptography

The Electronic Code Book (ECB) is the easiest block cipher way of functioning. It is easier since each block of input plaintext is directly encrypted, and the output is in the form of encrypted ciphertext blocks. In general, if a message is bigger than b bits in size, it can be divided into many blocks and the process repeated. Cipher Block Chainin

Electronic Code Book (ECB) in Cryptography

Electronic Code Book (ECB) is the simplest AES block cipher mode. A block cipher takes a fixed-size block of text (b bits) and a key and outputs a block of b-bit encrypted text. If the number of plaintexts to be encrypted is greater than b bits, then the block cipher can still be used by breaking the plaintext into b-bit blocks. As multiple blocks

How is Cryptography Used for Security and Authentication?

Cryptography plays a major role in terms of security and authentication. The process of cryptography is used for transferring data/messages. Through various security and authentication processes, this technique is used. Authorization and non-repudiation of data are also important features of cryptography. Let's get into detail to learn more about h

What is Strong and Weak Collision Resistance in Cryptography?

Cryptographic hash functions are key tools in such fields as they permit the secure conversion of data into fixed-size digits. In the era of the internet when data security is very important, cryptography has a great significance in protecting non-public information. The two most vital characteristics of cryptographic hash functions include strong

What is Message and Message Digest in Cryptography?

A Message is any information that flows via the network, such as files, emails, and financial transactions, from one device to another or from a set of devices. When a message is sent over a network, it must be secure to ensure that it is safe from anybody sitting in the middle listening to the conversation and having the ability to access, alter,