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Encryption and decryption method and device applied to programmable device

An encryption method and encryption device technology, applied in the electronic field, can solve problems such as insufficient encryption mechanism

Inactive Publication Date: 2016-05-04
SHENZHEN PANGO MICROSYST CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The invention provides an encryption and decryption method and device applied to programmable devices, which solves the problem that the existing encryption mechanism is not perfect

Method used

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  • Encryption and decryption method and device applied to programmable device
  • Encryption and decryption method and device applied to programmable device
  • Encryption and decryption method and device applied to programmable device

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Embodiment Construction

[0062] The present invention provides a kind of idea, uses the DNA technology that does not have enough perfect theory at present to complete the whole encryption and decryption, DNA has the following characteristics: a) DNA contains four kinds of bases: adenine (A), guanine (G), cytosine (C) and thymine (T); b) DNA is composed of two long molecular chains, which are connected together under the action of hydrogen bonds, presenting a double helix structure, in which each long molecular chain is a DNA Single-strand; c) The double-strand connection method follows the principle of complementary base pairing, that is, adenine (A) and thymine (T) are always paired, and guanine (G) and cytosine (C) are always paired. The present invention utilizes the above characteristics of DNA to ensure the safety of encryption from the perspectives of biology and mathematics, and at the same time, the speed of this encryption and decryption technology is fast.

[0063] The present invention firs...

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Abstract

The invention discloses an encryption and decryption method and device applied to a programmable device. The encryption method comprises the following steps of according to the corresponding relationship of a preset character unit and a base unit and the corresponding relationship of the base unit and a multi-system data unit, coding data to be encrypted including the preset character unit into a multi-system sequence ciphertext, wherein the multi-system sequence ciphertext comprises at least one multi-system data unit; the character unit comprises at least one character; and the base unit comprises at least one DNA base; and storing or outputting the multi-system sequence ciphertext. The decryption method is matched with the encryption method. According to the invention, in combination with the DNA characteristics, the encryption and decryption technology extremely having the safety and the operability is provided; the method is free from constraint of a secret key; users don't have to worry about that the secret key is stolen any longer; the users can customize the two corresponding relationships; different requirements of the users to safety levels are really realized; the matrix row and column alternative time is reduced; and thus, the encryption time is shortened.

Description

technical field [0001] The invention relates to the field of electronic technology, in particular to an encryption and decryption method and device applied to programmable devices. Background technique [0002] The study of cryptography is how to conceal the information to be transmitted, so that the real content of the information will not be known by the party who should not know it. Nowadays, with the advancement of science and technology, cryptography is no longer only used to encrypt information, but has been extended to many fields such as digital signature, identity authentication, and secure multi-party computing. In integrated circuits, the encryption algorithm for key information has also become a crucial part of the chip security system. [0003] Typical cryptographic algorithm systems can be divided into symmetric key codes and asymmetric key codes according to the number of keys used. In the symmetric encryption system, when encrypting and decrypting informati...

Claims

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Application Information

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IPC IPC(8): G06F21/46H04L9/06
CPCG06F21/46H04L9/0631H04L9/0662
Inventor 包朝伟汤阿龙
Owner SHENZHEN PANGO MICROSYST CO LTD
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