Biological One-way Functions
نویسندگان
چکیده
Biology has been a rich source of inspiration for computer security professionals. The central dogma of biology contains intronization cipher and substitution cipher with three many-to-one mappings. In cryptography, substitution cipher has been used long before human identifies DNA. However, it seems that no enough attention has been paid to the intronization cipher because it alone does not make a good cipher. In this paper, the intronization cipher with pseudo-random sequence and substitution cipher with modified genetic code are proposed to improve the security of the intronization cipher. Inverse mapping from protein to RNA and from ciphertext to plaintext are extremely hard; therefore we prefer to treat these ciphers as two biological one-way functions.
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