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Hybrid Cipher

Hybrid Cipher. Key. IV. Key. Hybrid Cipher. Plain. Cipher. Hybrid Cipher. Plain. Text. Text. Text. decryption. encryption. Note : IV used in encryption is not used in decryption. Features. Initialization Vector (IV) necessary only in Encryption Hash Integration

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Hybrid Cipher

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  1. Hybrid Cipher Key IV Key Hybrid Cipher Plain Cipher Hybrid Cipher Plain Text Text Text decryption encryption Note: IV used in encryption is not used in decryption

  2. Features • Initialization Vector (IV) necessary only in Encryption • Hash Integration • Ciphertext Length Variation for same plaintext • Customizability • Secure Watermarking • Tamperproof • Adaptability • Choice of core encryption engines

  3. Hybrid Cipher Schema Adjust for cipher block size Break up Into varying length blocks Plain Text Cipher Dynamic Mixing Hash Dynamic Mixing Pseudo-random generator • Similar process is used in Decryption • Pseudo-random generator is not required during decryption • AES or any other cipher can be used in the “Cipher” block • Use of IV is not shown in this high level detail Cipher Text

  4. Hash distribution with AES • Each set of rows represent cipher text distribution and cipher bytes in Hex • cc = cipher text bytes from AES for the same plain text bytes • hh = hash bytes distribution • xx = random bytes distribution

  5. Hash distribution with VM • Each set of rows represent cipher text distribution and cipher bytes in Hex • cc = cipher text bytes from VM for the same plain text bytes • hh = hash bytes distribution • xx = random bytes distribution

  6. Cipher text length variations with AES Varying cipher text lengths in this column

  7. Cipher text length variations with VM Varying cipher text lengths in this column

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