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File Encryption and Decryption - English

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Outline:
About Encryption and Decryption
About symmetric Encryption
Import the necessary libraries for file operations and encryption
Read file data and encrypt it using a provided key
Save the encrypted data with an ‘.encrypted’ extension
Iterate through all files in a specified folder and its subdirectories and encrypt each file
Read encrypted file data and decrypt it using a provided key
Save the decrypted data by removing the ‘.encrypted’ extension
Securely store the encryption key, as it is required for decryption
Handle file paths to ensure files are located and saved in the intended directories during encryption and decryption
Width:932 Height:608
Duration:00:10:00 Size:9 MB

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Pre-requisite

File Backup and Compression

  Assignment

Code files

  • CodeFile_File_Encrypt_Decrypt/
  • CodeFile_File_Encrypt_Decrypt/encryption.py
  • CodeFile_File_Encrypt_Decrypt/decryption.py
  • CodeFile_File_Encrypt_Decrypt/Sample/
  • CodeFile_File_Encrypt_Decrypt/Sample/code3.txt
  • CodeFile_File_Encrypt_Decrypt/Sample/sample2.txt
  • CodeFile_File_Encrypt_Decrypt/Sample/Spoken-Tutorial-Logo.png
  • CodeFile_File_Encrypt_Decrypt/Sample/code4.txt
  • CodeFile_File_Encrypt_Decrypt/Sample/sample3.txt
  • CodeFile_File_Encrypt_Decrypt/Sample/st-logo.png
  • CodeFile_File_Encrypt_Decrypt/Sample/sample1.txt
  • CodeFile_File_Encrypt_Decrypt/Sample/TestPDFfile.pdf
  • CodeFile_File_Encrypt_Decrypt/Sample/vit.png
  • CodeFile_File_Encrypt_Decrypt/Sample/code2.txt
  • CodeFile_File_Encrypt_Decrypt/Sample/Doc3.odt
  • CodeFile_File_Encrypt_Decrypt/Sample/code1.txt
  • CodeFile_File_Encrypt_Decrypt/Sample/graph3.pdf
  • CodeFile_File_Encrypt_Decrypt/Sample/fossee-logo.png
  • CodeFile_File_Encrypt_Decrypt/Sample/business-operations-survey-2023-CSV-notes.xlsx
  • CodeFile_File_Encrypt_Decrypt/Sample/business-operations-survey-2022-information-and-communications-technology.csv
  • CodeFile_File_Encrypt_Decrypt/Sample/annual-enterprise-survey-2021-financial-year-provisional-size-bands-csv.csv
  • CodeFile_File_Encrypt_Decrypt/Sample/graph1.pdf
  • CodeFile_File_Encrypt_Decrypt/Sample/graph2.pdf

Script

Slides

  • Slides_File_Encrypt_Decrypt/
  • Slides_File_Encrypt_Decrypt/FileEncryptionDecryption_Slides.tex
  • Slides_File_Encrypt_Decrypt/fossee-logo.png
  • Slides_File_Encrypt_Decrypt/vit.png
  • Slides_File_Encrypt_Decrypt/st-logo.png
  • Slides_File_Encrypt_Decrypt/FileEncryptionDecryption_Slides.pdf