CN102521785B - 用于图像共享的基于EC-ElGamal算法的同态图像加密和解密方法 - Google Patents
用于图像共享的基于EC-ElGamal算法的同态图像加密和解密方法 Download PDFInfo
- Publication number
- CN102521785B CN102521785B CN201110329356.6A CN201110329356A CN102521785B CN 102521785 B CN102521785 B CN 102521785B CN 201110329356 A CN201110329356 A CN 201110329356A CN 102521785 B CN102521785 B CN 102521785B
- Authority
- CN
- China
- Prior art keywords
- image
- ecp
- point
- encryption
- enecp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09C—CIPHERING OR DECIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY
- G09C5/00—Ciphering apparatus or methods not provided for in the preceding groups, e.g. involving the concealment or deformation of graphic data such as designs, written or printed messages
-
- 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
- H04L9/008—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols involving homomorphic encryption
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/44—Secrecy systems
- H04N1/448—Rendering the image unintelligible, e.g. scrambling
- H04N1/4486—Rendering the image unintelligible, e.g. scrambling using digital data encryption
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Facsimile Transmission Control (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110329356.6A CN102521785B (zh) | 2011-10-26 | 2011-10-26 | 用于图像共享的基于EC-ElGamal算法的同态图像加密和解密方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201110329356.6A CN102521785B (zh) | 2011-10-26 | 2011-10-26 | 用于图像共享的基于EC-ElGamal算法的同态图像加密和解密方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102521785A CN102521785A (zh) | 2012-06-27 |
CN102521785B true CN102521785B (zh) | 2014-04-16 |
Family
ID=46292690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110329356.6A Active CN102521785B (zh) | 2011-10-26 | 2011-10-26 | 用于图像共享的基于EC-ElGamal算法的同态图像加密和解密方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN102521785B (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102982499B (zh) * | 2012-09-28 | 2015-10-07 | 河南大学 | 基于多分数阶混沌系统的彩色图像加密和解密方法 |
CN103037223B (zh) * | 2012-12-14 | 2015-05-20 | 太原科技大学 | 一种基于块压缩感知的秘密图像共享方法 |
CN103117859B (zh) * | 2013-01-23 | 2015-07-29 | 山东大学 | 一种基于椭圆曲线的非对称光学图像加密方法 |
CN103607278A (zh) * | 2013-11-08 | 2014-02-26 | 江苏科技大学 | 一种安全的数据云存储方法 |
CN104463767B (zh) * | 2014-11-27 | 2017-05-03 | 山东科技大学 | 一种具有伪装图像和篡改认证功能的可视加密及解密方法 |
CN107395336B (zh) * | 2017-07-03 | 2019-10-29 | 安徽大学 | 基于pailliar公钥加密系统的密文域可逆数据嵌入方法 |
CN113850947B (zh) * | 2020-12-28 | 2023-08-29 | 杭州趣链科技有限公司 | 基于ElGamal加密的电子投票系统 |
CN112887095B (zh) * | 2021-01-26 | 2022-09-23 | 浙江工商大学 | 基于区块链的智能电网二级网络下数据隐私保护聚合方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6775393B2 (en) * | 2001-04-23 | 2004-08-10 | Hewlett-Packard Development Company, L.P. | Hardcopy watermarking |
US8144864B2 (en) * | 2007-12-28 | 2012-03-27 | Intel Corporation | Method for speeding up the computations for characteristic 2 elliptic curve cryptographic systems |
CN101582170B (zh) * | 2009-06-09 | 2011-08-31 | 上海大学 | 一种基于椭圆曲线密码体制的遥感图像加密方法 |
-
2011
- 2011-10-26 CN CN201110329356.6A patent/CN102521785B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN102521785A (zh) | 2012-06-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102521785B (zh) | 用于图像共享的基于EC-ElGamal算法的同态图像加密和解密方法 | |
Laiphrakpam et al. | A robust image encryption scheme based on chaotic system and elliptic curve over finite field | |
Benaloh | Dense probabilistic encryption | |
CN108667625B (zh) | 协同sm2的数字签名方法 | |
JP5297688B2 (ja) | ベクトル秘匿型内積計算システム、ベクトル秘匿型内積計算方法及び暗号鍵共有システム | |
Azam et al. | A fast and secure public-key image encryption scheme based on Mordell elliptic curves | |
Peng et al. | An efficient privacy-preserving aggregation scheme for multidimensional data in IoT | |
Ray et al. | Comparative study of AES, RSA, genetic, affine transform with XOR operation, and watermarking for image encryption | |
Mahboob et al. | A cryptographic scheme for construction of substitution boxes using quantic fractional transformation | |
Khalid et al. | An integrated image encryption scheme based on elliptic curve | |
Lawnik et al. | Application of modified Chebyshev polynomials in asymmetric cryptography | |
El-Zoghdy et al. | How good is the DES algorithm in image ciphering | |
CN105025036A (zh) | 一种基于互联网的认知能力测试值加密和传输方法 | |
Abdelfatah | A color image authenticated encryption using conic curve and Mersenne twister | |
Tayel et al. | A proposed serpent-elliptic hybrid cryptosystem for multimedia protection | |
JP6053983B2 (ja) | 暗号システム、署名システム、暗号プログラム及び署名プログラム | |
Patel et al. | Comparative evaluation of elliptic curve cryptography based homomorphic encryption schemes for a novel secure multiparty computation | |
US20170359177A1 (en) | Method and System for Cryptographic Decision-making of Set Membership | |
CN113807534A (zh) | 联邦学习模型的模型参数训练方法、装置和电子设备 | |
CN110798313B (zh) | 基于秘密动态共享的包含秘密的数的协同生成方法及系统 | |
bin Sarbini et al. | Garbage-man-in-the-middle (type 2) Attack on the Lucas Based El-Gamal Cryptosystem in the Elliptic Curve Group Over Finite Field | |
Aswin et al. | Performance Comparison of Hybrid Encryption Models | |
Mahmoud | Development of Matrix Cipher Modifications and Key Exchange Protocol | |
Ganesan et al. | Public key encryption of images and videos in real time using chebyshev maps | |
Prasadh et al. | Public key cryptosystems based on chaotic-chebyshev polynomials |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information | ||
CB03 | Change of inventor or designer information |
Inventor after: Li Qiong Inventor after: Li Li Inventor after: Han Qi Inventor after: Wu Xianyan Inventor before: Niu Xiamu Inventor before: Li Li Inventor before: Li Qiong Inventor before: Han Qi Inventor before: Wu Xianyan |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230309 Address after: 518049 516, Ideal Residence, No. 6, Meikang Road, Meidu Community, Meilin Street, Futian District, Shenzhen, Guangdong Patentee after: Shenzhen Shu'an Zhixing Technology Co.,Ltd. Address before: 150001 No. 92 West straight street, Nangang District, Heilongjiang, Harbin Patentee before: HARBIN INSTITUTE OF TECHNOLOGY |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230727 Address after: 518049 22H, Ideal Times Building, No. 8, Meikang Road, Meidu Community, Meilin Street, Futian District, Shenzhen, Guangdong Patentee after: Zhongshu (Shenzhen) Times Technology Co.,Ltd. Address before: 518049 516, Ideal Mansion, No. 6, Meikang Road, Meidu Community, Meilin Street, Futian District, Shenzhen, Guangdong Patentee before: Shenzhen Shu'an Zhixing Technology Co.,Ltd. |