Rainbow signing device

A signature device, rainbow technology, applied in the computer field, can solve problems such as large computing resources and slow speed

Inactive Publication Date: 2018-11-23
SHENZHEN POLYTECHNIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, for the existing Rainbow signature technology, there ar

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Embodiment Construction

[0056] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0057] see figure 1 , is a structural schematic diagram of an embodiment of the rainbow signature device provided by the present invention, including a central processing unit, a central transformation operator and an affine transformation operator; the central processing unit includes a cryptographic processor and an interface controller, and the affine The mapping operator includes a first affine operator and a second affine operator;

[0058] The interface cont...

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Abstract

The invention discloses a rainbow signing device, comprising a central processing unit, a central transformation operator and an affine transformation operator. The central processing unit comprises acipher processor and an interface controller. The affine transformation operator comprises a first affine operator and a second affine operator. The interface controller is used for inputting to-be-signed information y and private keys L1, F and L2. The central processing unit is used for calling the first affine operator and carrying out L1 linear affine transformation on the to-be-signed information y based on the L1, thereby obtaining a first transformation result y-bar; calling the central transformation operator and carrying out central mapping inverse transformation on the first transformation result y-bar based on the F, thereby obtaining a second transformation result x-bar; and calling the second affine operator, and carrying out L2 linear affine transformation on the second transformation result x-bar based on the L2, thereby obtaining a rainbow signature x. Through adoption of the embodiment of the invention, the signing speed is fast, computing resources are few, and a security level is high.

Description

technical field [0001] The invention relates to the technical field of computers, in particular to a rainbow signature device. Background technique [0002] A cryptographic algorithm is a mathematical function used for encryption and decryption, and a cryptographic algorithm is the basis of a cryptographic protocol. The current cryptographic algorithms mainly include serial ciphers, block ciphers, public key ciphers, hash functions, etc., which are used to ensure information security and provide services such as authentication, integrity, and non-repudiation. Cryptographic algorithms can be divided into symmetric cryptographic algorithms and asymmetric cryptographic algorithms. Symmetric cryptographic algorithms use the same secret key in the process of encryption and decryption, while asymmetric cryptographic cryptographic algorithms use private keys in the process of encryption and public keys in the process of decryption. Symmetric cryptography is also known as public ke...

Claims

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Application Information

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IPC IPC(8): H04L9/32
CPCH04L9/3247Y02D30/50
Inventor 易海博
Owner SHENZHEN POLYTECHNIC
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