PUBLIC KEY (ASYMMETRIC) ENCRYPTION
Asymmetric Encryption is used to protect the data while in movement. Asymmetric Encryption is also known as Public Key Encryption. It uses two related keys, a public key and a private key which is not shared with anyone. This pair of keys are developed by mathematical methods which can be solved in one direction. So anyone can encode a data using the public key but only the user with a private key can decode that specific data. The length of Asymmetric Key Encryption is normally 1024 or 2048 bits. However, in Asymmetric framework the keys with smaller than 2048bits are considered as not safe to use.
Asymmetric Key Encryption methods are DSA, Diffie Hellman, RSA, Elliptic Curve and DSA. Asymmetric Encryption
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To oppose this issue the keys should be delivered by trusted software or entity.
ESCROW KEY
This type of encryption key administration is to create an extra key for decoding the data and is kept secure in escrow by an authorised 3rd party. We can also call this as a backup key or split-key. This kind of encryption method is been using to recover the data if a user forgot the password.
In July 2015, many of the world’s high ranking cryptographers published that the loss and destruction induced by adopting a key escrow system 20 years ago would be even more serious, that would be very hard to identify security weaknesses that could be misused by
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So generally the data is not readable to unauthorized users. This is the process of encrypting the data which is stored and residing on our devices.
End to End Encryption
In this process of end to end encryption, the unauthorized users such as service provider or any intermediate person can’t decrypt or read the communication between the sender and receiver. In the present day, Service Providers have access to our communication but when we deploy the end to end encryption then the service provider can intercept the communication but can’t read the content of our communication and the common example is WhatsApp messaging service. We can also secure our emails by using PGP encryption technology.
Transport Encryption
This process is a transport layer encryption that includes HTTPS using TLS/SSL which is used to encrypt and keep secure the communication between the websites and the web browser. The websites with HTTPS, enable us to transmit the information over the internet securely. Even if unauthorized user access that information, they can’t read. When the information reaches to the destination probably located in a different country, then website operator can decrypt it and store it.
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Algorithms Types in Encryption
• DES/3DES
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However, I feel users had a different vision/perspective on security mechanisms and they trusted each other during those times and did not have to worry about protecting their information (this is how exactly, one person’s ignorance becomes another’s person’s - hacker, here bliss). This book helps us to understand the vulnerabilities; its impacts and why it is important to address/ fix those holes.
What is encryption? Encryption is a technological technique that protects and secures the transfer of plain text information between two sources through the use of the internet. This is done by rearranging the text using a mathematical algorithm that renovates the message into an indecipherable form, which can only be unlocked and translated with a use of a key. The strength of the encryption key is measured by its length, which is determined by the number of bits and by the type of encryption program.
Pretty Good Privacy, known as the PGP, is a popular program for encryption and decryption of data, providing security services for electronic mail messages and data files.
Glaser , C. L. (1997). The Security Dilemma Revisited. Cambridge University press, 50(1), 171-201. Retrieved from http://www.gwu.edu/~iscs/assets/docs/cg-docs/SecurityDilemma-WP-1997.pdf
Bitcoin is a form of digital currency that is similar to physical cash stored in a digital form. It is the first fully implemented cryptocurrency protocol utilizing an open source peer-to-peer payment system. As a transfer protocol, it fundamentally functions as a money transfer medium that sends bitcoins from user to user without the need of a third-party intermediary and the system is protected by peer-reviewed cryptographic algorithms. This cryptographic digital currency simultaneously provides users a method to exchange money for free or a nominal fee, which is mutually beneficial for retailers and consumers. The main concern is that it can be used for illegal activities such as the purchase of drugs, weapons and other illegal goods. Albeit true, the concern also exists with all other forms of regulated currency, such as cash and wire transfers. Anonymity is one of the greatest Bitcoin perks, however, nothing is as untraceable as cash. It is the solution to the leading economic and security issues that have left everyone vulnerable, particularly in the wake after the Target security breach in which hackers stole unencrypted credit card and debit card data for 40 million customers’ as well as their pins over the span of two weeks before it was detected. In addition, these hackers were also able to obtain the names, addresses, phone numbers, and email addresses of 70 million customers (Andreesen 6). If Bitcoin were to be used as the standard form of payment, the transaction data does not identify the purchaser’s identity and all information is encrypted. It is the most secure payment method and is a more secure future. Bitcoin is a technologically innovative soluti...
PKC is the enabling technology for all Internet security and the increasing use of digital signatures, which are replacing traditional signatures in many contexts. However, RSA is better than PKC because RSA doesn’t need digital signature. As a result, the RSA algorithm turned out to be a perfect fit for the implementation of a practical public security system. In 1977, Martin Gardner first introduced the RSA system. After 5 years, company RSA used secure electronic security products. Nowadays many credit companies of all over the world use the RSA system or a similar system based on the RSA system.
Technique of protecting information by changing in to other format is nothing but Cryptography, this technique is called Cipher text. This process involve a secret key through which readable message is totally converted into unreadable message, in order to decrypt the unreadable message secrete key is must. Generally this is used is communication, don’t know if communication breaks in middle the message which is private may go leak, so, to protect private data transfer cryptography is must. At the receiver end using the same key the receiver gets the actual message. This is must in almost all businesses, especially in banks, export import business and so on. Encrypted messages sometimes broken which is called code breaking using cryptanalysis. The strength of encryption is totally relays on how strong the secret key is. As there is only one mode of communication through internet and many were accessing internet may be possibilities of having breaking of codes, so, encryption must be strong. Encryption is of two types based of the type of secret key whether public or private.
My project mainly focuses on relatively new field of study in Information Technology known as cryptography. This topic will take an in-depth look at this technology by introducing various concepts of cryptography, a brief history of cryptography and a look at some of the cryptography techniques available today. This will have a close look at how we can use cryptography in an open-systems environment such as the Internet, as well as some of the tools and resources available to help us accomplish this.
BY DOUG HENWOOD What’s being touted in some circles as the future of money looks hardly more peaceful than its past. Bitcoin, a formerly obscure cybercurrency, is now all over the headlines with reports of bankruptcies, thefts and FBI lockdowns. If our fate is to buy and sell bitcoins, this instability is troubling. But despite the headlines, the triumph of Bitcoin and related cyber-currencies is a lot less likely than recent commentary suggests.
Data encryption refers to the process of transforming electronic information into a scrambled form that can only be read by someone who knows how to translate the code. In nowadays business world, it’s the easiest and most practical way to secure the information that we stored and processed, and it’s significant for our sensitive information. For example, as electronic commerce is popular now, the vendors and retailers must protect the customers’ personal information from hackers or competitors. They also have many business files or contracts that need to be strictly protected. Without data encryption, these important information may fall into wrong hands and be misused by others. Besides, data encryption may be used to secure sensitive information that exists on company networks, or create digital signatures, and help to authorize in business. No one should underestimate the importance of encryption. A little mistake in encryption may make sensitive information revealing, or even result in illegal and criminal accuse.
Despite the numerous advantages offered by cloud computing, security is a big issue concerned with cloud computing. There are various security issues and concerns associated with cloud computing, among them being phishing, data loss and data privacy. There are different mitigation measures that cloud pioneers are currently using to ensure data stored in the cloud remain secure and confidential as intended. Encryption is one mitigation method used to ensure security in cloud computing. According to Krutz and Vines (2010), encryption involves coding of the data stored in the computing cloud such that hackers cannot gain access to the data. Data encryption seems to be the most effective method of ensuring security in computing (Krutz and Vines, 2010). However, it is of paramount importance to note that encrypted data is usually difficult to search or perform various calculations on it.
Data encryption refers to the transformation of data into a structure that makes it unreadable by anyone without a secret decryption key. It ensures that messages can be read only by the planned recipient. Encryption is the procedure of obscuring information to create it unreadable without special information. Only organizations and individuals with an abnormal need for secrecy have actually made good use of it. Nowadays, encryption is one of the most important technologies for maintaining your privacy and the security of important information. This helps out greatly especially when E-Commerce is being used.
Today, as well, encryption is used to hide sensitive information. It is used not only by spies but also for common telecommunications, such as faxes and e-mails. Encryption is also important for many everyday uses like Personal Identification Numbers (PINs) for bank account, credit card security and access to controlled areas in buildings. Encryption ensures privacy by keeping things behind a locked door of sorts.
For thousands of years cryptography and encryption have been used to secure communication. Military communication has been the leader of the use of cryptography and the advancements. From the start of the internet there has been a greater need for the use of cryptography. The computer had been invented in the late 1960s but there was not a widespread market for the use of computers really until the late 1980s, where the World Wide Web was invented in 1989. This new method of communication has called for a large need for information security. The internet allows people to communicate sensitive information, and if received into the wrong hands can cause many problems for that person.
Cryptography the method of applying protocols to information to make it seem like nonsense to hurt those who do not know the protocols. Cryptology is used to encrypt messages and create secure codes; the earliest known use of Cryptographs was in Egyptian times but over time several different types of cryptographs were made today we use it to keep information secure and to create registration numbers.