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Cryptography

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CRYPTOGRAPHY PPTs by Saroj Sarang Date

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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 ,[object Object],[object Object],[object Object],[object Object],[object Object],CRYPTOLOGY CRYPTANALYSIS CRYPTOGRAPHY = +
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Transposition Ciphers ,[object Object],[object Object]
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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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