CN112422268B - 一种基于分块置乱与状态转换的图像加密方法 - Google Patents
一种基于分块置乱与状态转换的图像加密方法 Download PDFInfo
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- CN112422268B CN112422268B CN202011244318.6A CN202011244318A CN112422268B CN 112422268 B CN112422268 B CN 112422268B CN 202011244318 A CN202011244318 A CN 202011244318A CN 112422268 B CN112422268 B CN 112422268B
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- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/001—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using chaotic signals
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
- H04L9/065—Encryption by serially and continuously modifying data stream elements, e.g. stream cipher systems, RC4, SEAL or A5/3
- H04L9/0656—Pseudorandom key sequence combined element-for-element with data sequence, e.g. one-time-pad [OTP] or Vernam's cipher
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
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Abstract
Description
信息熵 | Lena | Boat | Hill | Peppers |
原始图像 | 7.4532 | 7.1572 | 7.4460 | 7.5797 |
加密文图像 | 7.9976 | 7.9975 | 7.9972 | 7.9973 |
图像 | Lena | Boat | Hill | Peppers |
原始图像 | 3.951×10<sup>4</sup> | 1.0085×10<sup>5</sup> | 4.3854×10<sup>4</sup> | 3.1630×10<sup>4</sup> |
密文图像 | 220.8047 | 231.0703 | 260.5234 | 264.8828 |
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CN111105339A (zh) * | 2019-12-23 | 2020-05-05 | 郑州轻工业大学 | 一种基于多维混沌系统和约瑟夫置乱的图像加密方法 |
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CN106952213B (zh) * | 2017-03-16 | 2018-03-06 | 郑州轻工业学院 | 基于比特置换与动态dna编码的混沌图像加密方法 |
CN108365947B (zh) * | 2018-03-05 | 2019-05-24 | 郑州轻工业学院 | 一种基于Feistel网络与动态DNA编码的图像加密方法 |
CN108898025B (zh) * | 2018-06-25 | 2020-06-12 | 河南大学 | 基于双重置乱和dna编码的混沌图像加密方法 |
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CN108366181A (zh) * | 2018-01-23 | 2018-08-03 | 西南财经大学 | 一种基于超混沌系统和多级置乱的图像加密方法 |
CN111105339A (zh) * | 2019-12-23 | 2020-05-05 | 郑州轻工业大学 | 一种基于多维混沌系统和约瑟夫置乱的图像加密方法 |
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