# Andrew

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bio website location age member for 10 months seen Jul 14 '12 at 16:58 profile views 1

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 Jul14 comment idea of new mode of operation might be securethe math is correct but can you give a decryption formula and a diagram of what this method looks like and Will this be secure @mikeazo@ Jul14 comment idea of new mode of operation might be securethis mode will encrypt in cbc but plaintext will be divided into blocks and will generate a new iv for each block Jul14 comment idea of new mode of operation might be secureeach will have a different iv Jul14 comment idea of new mode of operation might be securePlaintext1 Encryptionkey1 Ciphertext1 Plaintext2 Encryption key2 Ciphertext2 Plaintext3 Encryption key 3 Ciphertext 3 Ek1(P¡⊕C¡_1) , C1=IV1 C2= Ek2 (P¡⊕C¡_2) , C2=IV2 C3= Ek3 (P¡⊕C¡_3) , C3=IV3 @mikeazo@ Jul14 comment idea of new mode of operation might be secureP1 P2 P3 Ek1 Ek2 Ek3 C1 C2 C3 C1= Ek1(P¡⊕C¡_1) , C1=IV C2= Ek2 (P¡⊕C¡_2) , C2=IV C3= Ek3 (P¡⊕C¡_3) , C3=IV Jul14 comment idea of new mode of operation might be secureP1 P2 P3 Ek1 Ek2 Ek3 C1 C2 C3 C1= Ek1(P¡⊕C¡_1) , C0=IV C2= Ek2 (P¡⊕C¡_1) , C0=IV C3= Ek3 (P¡⊕C¡_1) , C0=IV Jul14 comment idea of new mode of operation might be securein this mode the attacker will have to reconstruct the message Jul14 revised idea of new mode of operation might be secureadded 4 characters in body Jul13 awarded Editor Jul13 revised idea of new mode of operation might be secureadded 17 characters in body Jul13 comment idea of new mode of operation might be securethis is just the previous question in a more clearer format Jul13 asked idea of new mode of operation might be secure