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Secure Data Transfers with Encryption

📑 5 slides 👁 30 views 📅 3/22/2026 📄 PDF
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Introduction to Secure Data Transfers

Problem: Unsecured data transmission risks interception and manipulation.

Introduction to Secure Data Transfers
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Symmetric Encryption with AES

  • AES uses a single key for both encryption and decryption.
  • Process: Generate key, encrypt data, produce ciphertext.
  • Advantage: Highly efficient and secure for large datasets.
Symmetric Encryption with AES
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Asymmetric Encryption with RSA

  • RSA uses public-private key pairs for secure key exchange.
  • Process: Encrypt AES key with receiver's public key.
  • Advantage: Ensures only intended recipient can decrypt.
Asymmetric Encryption with RSA
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Secure Transmission & Decryption

  • Transmit encrypted data and encrypted AES key together.
  • Receiver uses private key to decrypt AES key first.
  • Then decrypts data using AES key for original content.
Secure Transmission & Decryption
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Verification & Applications

  • Verify integrity by comparing original and decrypted data.
  • Applications: Cloud security, IoT, secure file transfers.
  • Future: Adaptable to emerging technologies like Edge AI.
Verification & Applications
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