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Encryption Model,  E Channel Decryption Model,  D Introduction to Cryptography Ek DK Intruder p L A I N T E XT P L A I N T E X T CIPHERTEXT Active Intruder Passive  Intruder FIG.  THE ENCRYPTION MODEL  (For a Symmetric-Key Cipher)
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Cryptography

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  • 4. Encryption Model, E Channel Decryption Model, D Introduction to Cryptography Ek DK Intruder p L A I N T E XT P L A I N T E X T CIPHERTEXT Active Intruder Passive Intruder FIG. THE ENCRYPTION MODEL (For a Symmetric-Key Cipher)
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