Block Cipher Operation

• Double-DES
• Triple-DES
• DES-X
• Electronic Codebook Book (ECB)
• ECB Limitations
• Cipher Block Chaining (CBC)
• Advantages and Limitations of CBC
• Message Padding
• Cipher Text Stealing (CTS)
• Stream Modes of Operation
• Cipher Feedback (CFB)
• Output Feedback (OFB)
• Advantages and Limitations of OFB
• Counter (CTR)
• Advantages and Limitations of CTR
• Storage Encryption
• XTS-AES Mode
• Advantages and Limitations of XTS-AES
• Summary

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