Working with FileInputStream, conversion, byte to int and int to byte: Encryption 1. Read the name of textfile from console. Open this text file for input using FileInputStream class. You should iterate until the file is found in your file system. (you may start coding using Happy scenario) You read the file into an array of bytes which you wrap into String. This allows to read the whole file into a single string. Use a character key='z' and the XOR bit operator ^ to encrypt the array into a new array of encrypted bytes. Decrypt the file using step 5. Save the encrypted file in the file system using the FileWriter class or FileOutputStream 2. 3. 4. 5. 6. 7. class 8. Encrypt a picture

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Working with FileInputStream, conversion, byte to int and int to byte: Encryption
1.
Read the name of textfile from console.
Open this text file for input using FileInputStream class.
You should iterate until the file is found in your file system. (you may start coding using
Happy scenario)
You read the file into an array of bytes which you wrap into String. This allows to read
the whole file into a single string.
Use a character key='z' and the XOR bit operator ^ to encrypt the array into a new
array of encrypted bytes.
Decrypt the file using step 5.
Save the encrypted file in the file system using the FileWriter class or FileOutputStream
2.
3.
4.
5.
6.
7.
class
8. Encrypt a picture
Transcribed Image Text:Working with FileInputStream, conversion, byte to int and int to byte: Encryption 1. Read the name of textfile from console. Open this text file for input using FileInputStream class. You should iterate until the file is found in your file system. (you may start coding using Happy scenario) You read the file into an array of bytes which you wrap into String. This allows to read the whole file into a single string. Use a character key='z' and the XOR bit operator ^ to encrypt the array into a new array of encrypted bytes. Decrypt the file using step 5. Save the encrypted file in the file system using the FileWriter class or FileOutputStream 2. 3. 4. 5. 6. 7. class 8. Encrypt a picture
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