{"title":"基于相位截断和线性正则变换域奇异值分解的非对称光学图像安全加密","authors":"Anshula Sangwan, Hukum Singh","doi":"10.1155/2021/5510125","DOIUrl":null,"url":null,"abstract":"A new asymmetric optical double image encryption algorithm is proposed, which combines phase truncation and singular value decomposition. *e plain text is encrypted with two-stage phase keys to obtain a uniformly distributed cipher text and two new decryption keys. *ese keys are generated during the encryption process and are different from encryption keys. It realizes asymmetric encryption and improves the security of the system. *e unscrambling keys in the encryption operation are mainly related to plain text. At the same time, the system is more resistant to selective plain text attacks; it also improves the sensitivity of decryption keys. With the application of phase truncation, the key space expanded and the security of the cryptographic system is enhanced. *e efficacy of the system is calculated by evaluating the estimated error between the input and retrieved images. *e proposed technique provides innumerable security keys and is robust against various potential attacks. Numerical simulations verify the effectiveness and security of the proposed technique.","PeriodicalId":55995,"journal":{"name":"International Journal of Optics","volume":null,"pages":null},"PeriodicalIF":1.8000,"publicationDate":"2021-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"8","resultStr":"{\"title\":\"A Secure Asymmetric Optical Image Encryption Based on Phase Truncation and Singular Value Decomposition in Linear Canonical Transform Domain\",\"authors\":\"Anshula Sangwan, Hukum Singh\",\"doi\":\"10.1155/2021/5510125\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"A new asymmetric optical double image encryption algorithm is proposed, which combines phase truncation and singular value decomposition. *e plain text is encrypted with two-stage phase keys to obtain a uniformly distributed cipher text and two new decryption keys. *ese keys are generated during the encryption process and are different from encryption keys. It realizes asymmetric encryption and improves the security of the system. *e unscrambling keys in the encryption operation are mainly related to plain text. At the same time, the system is more resistant to selective plain text attacks; it also improves the sensitivity of decryption keys. With the application of phase truncation, the key space expanded and the security of the cryptographic system is enhanced. *e efficacy of the system is calculated by evaluating the estimated error between the input and retrieved images. *e proposed technique provides innumerable security keys and is robust against various potential attacks. Numerical simulations verify the effectiveness and security of the proposed technique.\",\"PeriodicalId\":55995,\"journal\":{\"name\":\"International Journal of Optics\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":1.8000,\"publicationDate\":\"2021-04-15\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"8\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Journal of Optics\",\"FirstCategoryId\":\"101\",\"ListUrlMain\":\"https://doi.org/10.1155/2021/5510125\",\"RegionNum\":4,\"RegionCategory\":\"物理与天体物理\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"OPTICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Optics","FirstCategoryId":"101","ListUrlMain":"https://doi.org/10.1155/2021/5510125","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"OPTICS","Score":null,"Total":0}
A Secure Asymmetric Optical Image Encryption Based on Phase Truncation and Singular Value Decomposition in Linear Canonical Transform Domain
A new asymmetric optical double image encryption algorithm is proposed, which combines phase truncation and singular value decomposition. *e plain text is encrypted with two-stage phase keys to obtain a uniformly distributed cipher text and two new decryption keys. *ese keys are generated during the encryption process and are different from encryption keys. It realizes asymmetric encryption and improves the security of the system. *e unscrambling keys in the encryption operation are mainly related to plain text. At the same time, the system is more resistant to selective plain text attacks; it also improves the sensitivity of decryption keys. With the application of phase truncation, the key space expanded and the security of the cryptographic system is enhanced. *e efficacy of the system is calculated by evaluating the estimated error between the input and retrieved images. *e proposed technique provides innumerable security keys and is robust against various potential attacks. Numerical simulations verify the effectiveness and security of the proposed technique.
期刊介绍:
International Journal of Optics publishes papers on the nature of light, its properties and behaviours, and its interaction with matter. The journal considers both fundamental and highly applied studies, especially those that promise technological solutions for the next generation of systems and devices. As well as original research, International Journal of Optics also publishes focused review articles that examine the state of the art, identify emerging trends, and suggest future directions for developing fields.