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An Easy To Understand History Of Cryptography
Earliest reason for cryptology
An Easy To Understand History Of Cryptography
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In this paper there are two main types of cryptography symmetric and asymmetric encryption. Thought time Cryptography has evolved rapidly during world war one and world war two the allies used it to send messages between one the other. Symmetric algorithms encrypt and decrypt with the same key. Main advantages of symmetric algorithms are their security and high speed. Asymmetric algorithms encrypt and decrypt with different keys. Data is encrypted with a public key, and decrypted with a private key. Asymmetric algorithms (also known as public-key algorithms) need at least a 3,000-bit key to achieve the same level of security of a 128-bit symmetric algorithm.
Asymmetric algorithms are incredibly slow and it is impractical to use them to encrypt
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Cryptography is the science of encoding and decoding information the practice has been used for centuries from sending secret message from military generals to keeping your password safe from entering to your email or Facebook. Cryptography long time ago we can trace them back to the pharoses when they wrote on their tombs and walls and were later decrypted.
What do we know about symmetric Encryption?
Symmetric encryption is using one key to encrypt or decrypt your data. There was no verification to prove the person that used the key because there was only one key. It was also easier since only one key was in use, by having one key now it’s easier for the hacker to intercept the message. This was the only kind of encryption publicly known until June 1976
What are types of symmetric Cryptography and what is recently being used?
Types of Symmetric Cryptography Algorithms such as DES, 3DES, IDEA, Blowfish,
RC4 RC5, RC6 and finally AES are the evolution of the Symmetric encryption. Currently we are using the AES also known as the (Advanced Encryption Standard) it is used by
US government to protect classified information and is implemented in software and hardware throughout the world to encrypt sensitive
Since World War I and World War II the military technology with regards to communication has increasingly improved. Years ago, if a message was conveyed it was likely to be delivered on foot or horseback. Communications using modern equipment began once the US Army Signal Corps was established. World War I took place before the modern radio. When dispatch riders were not being used to deliver messages, morse code with the use of the telegraph was the more advanced form of communication during that time. The main problem with
Encryption is a strategy for changing data on a computer in a manner that it gets to be distinctly incomprehensible regardless of the possibility that somebody can access a PC with individual information on it.
The urgency of communication was never much felt until the beginning and use of telegraphy. It was much easier to transmit and receive messages over long distances that no longer needed physical transport of letters.
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.
...ey, so the more random the keystrokes, the better is the data needed to generate the key (Senderek, 2003).
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.
were not the first to use writing and several areas such as Mesopotamia developed writing
...nation without an idea way, it will lead the key to be the leader of the whole certification process, then the security system will be based on the key. Once the key is missing, the system will be collapsed. Based on the above analysis, while biometrics characteristics as an approximate random signal, people can consider to extract one key directly from such signals, instead of using the external inputs. In this way, we call it a key generation mechanism (key generation scheme).
back to the time of the first people to live in the valley of Alpheas River.
Asymmetric Key Encryption methods are DSA, Diffie Hellman, RSA, Elliptic Curve and DSA. Asymmetric Encryption
It is also interesting to see the petroglyphs all over the place that would arouse the curiosity of history fanatics as to who and when they were made.
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.
...M and the US National Security Agency. It was previously the most dominant type of encryption, but it is now being taken over by AES (Advanced Encryption Standard). Since data encryption standard, only took on a 56-bit symmetric key encryption, AES uses three key sizes, 128, 192, and 256 bits. When personal computer users want to encrypt email or other documents, they go to Phillip Zimmerman?s "Pretty Good Privacy" software. This software allows you to digitally sign a message, which verifies to the recipient that you are the sender and that no interfering is involved.
The length of the key for the encryption can vary from being very short to extremely long, and the length of the message being encrypted. The protection of data being transferred between ATMs and the bank, and the use of cell phones, is the most common everyday encounter with encryption. To encrypt and decrypt information, a cipher is used. In a cipher, there is a set of well-defined steps that can be followed to encrypt and decrypt messages.
In this era when the Internet provides essential communication between tens of millions of people and is being increasingly used as a tool for security becomes a tremendously important issue to deal with, So it is important to deal with it. There are many aspects to security and many applications, ranging from secure commerce and payments to private communications and protecting passwords. One essential aspect for secure communications is that of cryptography. But it is important to note that while cryptography is necessary for secure communications, it is not by itself sufficient. Cryptography is the science of writing in secret code and is an ancient art; In the old age people use to send encoded message which can be understand by the receiver only who know the symbolic and relative meaning of that encoded message .The first documented use of cryptography in writing dates back to circa 1900 B.C. Egyptian scribe used non-standard hieroglyphs in an inscription. After writing was invented cryptography appeared spontaneously with applications ranging from diplomatic missives to war-time battle plans. It is no surprise, then, that new forms of cryptography came soon after the widespread development of computer communications. In telecommunications and data cryptography is necessary when communicating in any untrusted medium, which includes any network, particularly the Internet [1].Within the context of any application-to-application communication, there are some security requirements, including: