Design of a novel hybrid cryptographic processor

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dc.contributor.authorLi, Jianzhou
dc.contributor.authorUniversity of Lethbridge. Faculty of Arts and Science
dc.contributor.supervisorLi, Hua
dc.date.accessioned2007-05-17T14:49:40Z
dc.date.available2007-05-17T14:49:40Z
dc.date.issued2005
dc.degree.levelMasters
dc.descriptionviii, 87 leaves : ill. (some col.) ; 28 cm.en
dc.description.abstractA new multiplier that supports fields GF(p) and GF (2n) for the public-key cryptography, and fields GF (28) for the secret-key cryptography is proposed in this thesis. Based on the core multiplier and other extracted common operations, a novel hybrid crypto-processor is built which processes both public-key and secret-key cryptosystems. The corresponding instruction set is also presented. Three cryptographic algorithms: the Elliptic Curve Cryptography (ECC), AES and RC5 are focused to run in the processor. To compute scalar multiplication kP efficiently, a blend of efficient algorthms on elliptic curves and coordinates selections and of hardware architecture that supports arithmetic operations on finite fields is requried. The Nonadjacent Form (NAF) of k is used in Jacobian projective coordinates over GF(p); Montgomery scalar multiplication is utilized in projective coordinates over GF(2n). The dual-field multiplier is used to support multiplications over GF(p) and GF(2n) according to multiple-precision Montgomery multiplications algorithms. The design ideas of AES and RC5 are also described. The proposed hybrid crypto-processor increases the flexibility of security schemes and reduces the total cost of cryptosystems.en
dc.identifier.urihttps://hdl.handle.net/10133/266
dc.language.isoen_USen
dc.publisherLethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2005en
dc.publisher.departmentDepartment of Mathematics and Computer Science
dc.publisher.facultyArts and Science
dc.relation.ispartofseriesThesis (University of Lethbridge. Faculty of Arts and Science)en
dc.subjectDissertations, Academicen
dc.subjectData encryption (Computer science)en
dc.subjectCryptogaphy -- Mathematicsen
dc.subjectComputer securityen
dc.titleDesign of a novel hybrid cryptographic processoren
dc.typeThesisen
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