An investigative consultant has now discovered a potential solution to the Zodiac killer's unsolved Z32 cipher - and found a striking, hidden connection to the murder of the Black Dahlia.

Abstract: This paper aims to secure visual information present in an image using cryptographic techniques. Transposition cipher and Bit reversal image encryption are the two techniques demonstrated in ...

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Enigma cipher machines have endured in the minds of history buffs and cryptography hobbyists for more than a century, still discovered at dusty French flea markets and dredged up from under beach ...

Abstract: This letter proposes three novel substitution box (S-box) architectures for lightweight block ciphers. The proposed S-box architectures are based on the Boolean decomposition to achieve the ...

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