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Our programming assignment help team is well-acquainted with various concepts related to cryptography to ensure we deliver the solution as per your guidelines. If you are looking for affordable cryptography homework help then you have reached the correct place. We solve multiple cryptography coursework daily, and some of the popular topics on which we get assignments are listed below:
| Avalanche Effect | Hybrid Cryptography |
| Bifid Cipher | Image Steganography |
| Caesar Cipher | Knapsack Encryption Algorithm |
| Classical Cryptography | Network Security Principles |
| Difference between Cryptography and Cryptology | Difference between Steganography and Cryptography |
| Quantum Cryptography | RSA Algorithm in Cryptography |
| Differences- Classical and Quantum Cryptography | The CIA triad in Cryptography |
| DNA Cryptography | Vernam Cipher |
Before we discuss our programming assignment help services, let us first understand the basics of Cryptography.
Cryptography is the art to write code secretly. The basic fundamental behind cryptography is to exchange information between two parties so that it is not stolen by the other. Cryptography is critical in various applications, especially in the military. People would use this cryptography to send messages to the authorized recipient only without letting the hackers snoop on the information in between. The company information is also exchanged through cryptography.
Cryptography is considered to be the most secure and safe way to transfer confidential information over the network. Today, cryptography allows businesses to do business without taking any tension and transferring confidential data with confidence.
There are many encryption and decryption algorithms that are involved in cryptography. Thus making it difficult for students to complete the assignment correctly and on time. We help students with their cryptography assignments, homework and projects so that they can focus on what is more important.
The coding structure in cryptography is highly challenging for first-year students to understand. It needs a lot of practice to get hold of the subject. If the student does not understand the subject and writes the assignment, it results in poor grades. If you do not want to put your valuable grades at stake, then you must hire us. We provide instant and affordable Cryptography Homework Help services.
Various techniques are used to protect the data using cryptography and most of the university cryptography assignments are based on this concept only. Here are a few uses for it
Cryptography is an integral part of modern-day computer and network security systems, and it is becoming increasingly important in the era of digitization. In simple terms, cryptography is the practice of converting sensitive information into an unreadable format to prevent unauthorized access or manipulation. With the growing use of the internet and digital technology, the importance of cryptography has increased exponentially, making it a crucial component of our daily lives.
One of the primary reasons for the widespread use of cryptography is to protect sensitive information from being intercepted by unauthorized individuals or organizations. This is especially important in industries such as finance, healthcare, and the military, where confidential information is constantly being exchanged and transmitted. By using cryptography, individuals and organizations can ensure that their information remains secure and protected, even if it is intercepted by an unauthorized third party.
Another reason why cryptography is so important is due to the increasing threat of cyber attacks. With the growing use of the internet and digital technology, hackers and cybercriminals are constantly finding new ways to steal sensitive information and cause harm. Cryptography helps to prevent these attacks by making it much more difficult for hackers to access and exploit sensitive information.
In addition to protecting sensitive information and preventing cyber attacks, cryptography also helps to ensure the authenticity of messages and transactions. By using digital signatures and message authentication codes, individuals and organizations can ensure that messages and transactions are not altered or tampered with during transmission.
Overall, the importance of cryptography cannot be overstated. From protecting sensitive information to preventing cyber attacks and ensuring the authenticity of messages and transactions, cryptography is a crucial component of our digital lives. Whether you are a student studying cryptography, a professional in a related field, or simply someone who wants to protect their personal information, it is important to understand the importance of cryptography and the role it plays in our world.
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Cryptography has been a significant aspect of the digital world since the very beginning. It helps to secure information and maintain its privacy while being transmitted over the network. Cryptographic techniques have evolved over time, and today, there is a wide range of techniques available to keep data safe. We'll discuss some of the most commonly used cryptographic techniques.
Symmetric Key Cryptography: It is also known as secret key cryptography. In this technique, the same key is used for encryption and decryption. Symmetric key cryptography is a fast and efficient way to secure data. However, the major drawback is that both the sender and receiver must have the same key.
Asymmetric Key Cryptography: It is also known as public key cryptography. In this technique, two keys are used, one for encryption and the other for decryption. The encryption key is known as the public key and is made available to everyone, while the decryption key is known as the private key and is kept secret. Asymmetric key cryptography is considered to be the most secure method of cryptography.
Hash Functions: A hash function is a mathematical function that takes an input and returns a fixed-length string of characters. This output is known as a hash value. Hash functions are commonly used to secure passwords, verify data integrity, and as a key component in digital signatures.
Digital Signatures: A digital signature is a mathematical scheme that allows a recipient to verify that a document has been sent by a particular person. The recipient can use the digital signature to verify that the document has not been tampered with during transmission.
Steganography: Steganography is a technique used to hide information within other information. For example, a message can be hidden within an image or audio file. Steganography is often used in combination with cryptography to provide added security.
In conclusion, cryptography plays a crucial role in maintaining the privacy and security of digital data. The different cryptographic techniques discussed above are some of the most commonly used methods in cryptography. When you're looking for cryptography assignment help, it's important to choose a service that has expertise in these techniques. Whether you need help with a cryptography project or just need help with your cryptography homework, there are many online resources available to help you succeed.
The following are the three different cryptography techniques that a student must learn as part of the computer science course when they want to excel in cryptography concepts.
Our Programming Assignment Help experts provide affordable cryptography coursework help to global students. They ensure that students get excellent grades by adhering to the guidelines, delivering clean codes and providing well-commented solutions.
We have delivered assignment solutions on below cryptography concepts:
| Anonymous remailer | Encryption/decryption |
| Authentication | Multivariate cryptography |
| Cipher | Onion routing |
| Ciphertext | Plaintext |
| Code | Post-quantum cryptography |
| Crypto systems | Pseudonymity |
| Cryptographer | Quantum cryptography |
| Cryptographic key | Secret sharing |
| Digital currency | Steganography |
| Digital signatures | Tabula recta |
| Dining cryptographers problem | Visual cryptography |
Cryptography is a critical aspect of modern technology that is used to secure information and communication. The concept of cryptography has been around for centuries and has played a crucial role in protecting sensitive information in various fields, including military, finance, and healthcare. In today’s digital world, cryptography is more important than ever, as it is used to secure online transactions, protect sensitive data, and safeguard online communications.
Cryptography is often used in situations where information security is of utmost importance. For example, when making online transactions, cryptography is used to protect the transfer of sensitive information such as credit card numbers, personal information, and other confidential data. Cryptography is also used in the protection of sensitive information stored in databases and in secure communication between individuals or organizations.
Cryptography can be used in a variety of applications and can be implemented using a range of technologies and methods. Some of the most common applications of cryptography include email encryption, secure web browsing, virtual private networks (VPNs), and secure file transfer protocols (SFTPs). Additionally, cryptography is also used in cloud computing, where it plays a crucial role in securing data stored in the cloud.
For students studying cryptography, it is essential to understand the various techniques and algorithms used in cryptography. This includes symmetric-key cryptography, public-key cryptography, hash functions, and digital signatures. The study of cryptography requires a deep understanding of mathematical concepts and algorithms, as well as an understanding of the practical applications of cryptography.
With the increasing demand for cryptography skills, there is a growing need for cryptography assignment help. This is where online cryptography assignment help services come in, offering students the opportunity to receive expert help with their cryptography assignments and projects. These services offer a range of benefits, including access to experienced and knowledgeable tutors, personalized attention, and high-quality work.
Code for: Cryptography?Shift Cipher
Solution:
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import java.util.Scanner;
public class Main {
public static void main(String[] args) {
String str;
int key;
Scanner scanner = new Scanner(System.in);
System.out.print("Enter string for encryption(Upper case): ");
str = scanner.nextLine();
str = str.toUpperCase();
System.out.print("Enter key: ");
key = scanner.nextInt();
String encryptedString = getEncryptedString(str, key);
System.out.println("The user input a message "+str+", by encrypting with shift cipher, the corresponding Encrypted message is "+encryptedString);
System.out.print("Enter string for decryption(Upper case): ");
scanner.nextLine();
str = scanner.nextLine();
str = str.toUpperCase();
System.out.print("Enter key: ");
key = scanner.nextInt();
String decryptedString = getDecryptedString(str, key);
System.out.println("The encrypted message is "+str+", by decrypting with shift cipher, the corresponding Decrypted message is "+decryptedString);
}
// this function converts the string into encrypted string
public static String getEncryptedString(String str, int key)
{
String newString = "";
int x;
for(int i =0;i {
if(Character.isLetter(str.charAt(i)))
{
x = getIndexOfChar(str.charAt(i)); // getting of character
x = x + key;
x = x%26;
newString = newString + getChar(x); // encrypting the letter
}
else
{
newString = newString + str.charAt(i);
}
}
return newString;
}
// this function decrypt the string
public static String getDecryptedString(String str, int key)
{
String newString = "";
int x;
for(int i =0;i {
if(Character.isLetter(str.charAt(i)))
{
x = getIndexOfChar(str.charAt(i)); // getting of character
x = x - key;
if(x < 0) // if x is less than 0
{
x= x + 26;
}
x = x%26;
newString = newString + getChar(x); // decrypting the letter
}
else
{
newString = newString + str.charAt(i);
}
}
return newString;
}
// this function gets the index of array in character
public static int getIndexOfChar(char c)
{
char arr[] = {'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'};
for(int i =0;i {
if(arr[i] == c)
{
return i;
}
}
return 0;
}
// this function gets the char of array in character at a particular index
public static char getChar(int index)
{
char arr[] = {'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'};
return arr[index];
}
}
