What Is Dynamic Key Generation
- What Is Dynamic Key Generation 2
- What Is Dynamic Key Generation 2
- What Is Dynamic Programming
- What Is Dynamic Key Generation Computer
Generation Z (also known as Post-Millennials, the iGeneration, Founders, Plurals, or the Homeland Generation) is the demographic cohort following the Millennials. The difference between the two is important to know in order to prepare your business, shift marketing, adjust leadership, and adapt recruiting efforts to stay relevant for the future. A session key is a single-use symmetric key used for encrypting all messages in one communication session. A closely related term is content encryption key ( CEK ), traffic encryption key ( TEK ), or multicast key which refers to any key used to encrypt messages, as opposed to other uses. Var value = jsObj'key' + i; The operator there is doing precisely the same thing in both instances. The fact that in one case the object involved happens to be an array is unimportant, in other words.
What Is Dynamic Key Generation 2
This alert has been successfully added and will be sent to:
You will be notified whenever a record that you have chosen has been cited.
To manage your alert preferences, click on the button below.
Manage my AlertsPlease log in to your account
Save to Binder
Create a New Binder
In this paper, we propose a new dynamic cryptographic key generation scheme for access control in a hierarchy. Our method can achieve the following three goals. First, the storage space needed to store public information is smaller than that required in previous work. Second, when a security class is added to the hierarchy, we assign a secret key and a public derivation key to the security class without affecting the keys of the other security classes in the hierarchy. Third, when a security class is deleted from the hierarchy, we simply erase the keys of that security class in the hierarchy and change the derivation key of its immediate ancestor.
- {1} AKL, S.G. AND TAYLOR, P.D. 1983 Cryptographic solution to a problem of access control in a hierarchy. ACM Transactions on Computer Systems 1, 3 (July), 239-248. Google ScholarDigital Library
- {2} CHANG, C.C., LIN, C.H., AND LEE, R.C.T. 1992 Hierarchy representations based on arithmetic coding for dynamic information protection systems. Information Sciences 64, 35-48. Google ScholarDigital Library
- {3} CHANG, C.C. HWANG, R.J., AND Wu, T.C. 1992. Cryptographic key assignment scheme for access control in a hierarchy. Information Systems 17, 3, 243-247. Google ScholarDigital Library
- {4} DENNING, D.E.R. 1982. Cryptography and Data Security. Addison-Wesley, Massachusetts. Google Scholar
- {5} HARN, L. AND LIN, H.Y. 1990. A cryptographic key generation scheme for multilevel data security. Computers & Security 9, 6 (Oct.), 539-546. Google ScholarDigital Library
- {6} HWANG, M.S., CHANG, C.C., AND YANG, W.P. 1993. Modified Chang-Hwang-Wu access control scheme. IEE Electronics Letters 29, 24 (Nov.), 2095-2096.Google ScholarCross Ref
- {7} HWANG, M.S. AND YANG, W.P. 1995. A two-phase encryption scheme for enhancing database security. Journal of Systems and Software 31, 12 (Dec.), 257-265. Google ScholarDigital Library
- {8} HWANG, M.S. AND YANG, W.P. 1995. Multilevel database security with subkeys. Submitted for publication.Google Scholar
- {9} HWANG, M.S. 1997. A cryptolographic key assignment scheme in a hierarchy for access control. Mathematical and Computer Modelling 26, 2, 27-31. Google ScholarDigital Library
- {10} HWANG, M.S. 1999. An improvement of a dynamic cryptographic key assignment scheme in a tree hierarchy. Computers & Mathematics with Applications 37, 3, 19-22.Google ScholarCross Ref
- {11} HWANG, M.S. 1999. An improvement of novel cryptographic key assignment scheme for dynamic access control in a hierarchy. IEICE Transactions on Fundamentals E82-A, 3 (Mar.), 548-550.Google Scholar
- {12} HWANG, M.S. 1999. Extension of CHW cryptographic key assignment scheme in a hierarchy. IEE Proceedings - Computers and Digital Techniques 146, 4 (July), 219.Google ScholarCross Ref
- {13} KNUTH, D.E. 1980. The Art of Computer Programming, Vol. 2 (Seminumerical Algorithms), 2nd edition. Addison-Wesley, Massachusetts. Google Scholar
- {14} LIAW, H.T., WANG, S.J., AND LEI, C.L. 1993. A dynamic cryptographic key assignment scheme in a tree structure. Computers and Math. with Applic. 25, 6, 109-114.Google ScholarCross Ref
- {15} MACKINNON, S.J., TAYLOR, P.D., MEIJER, H., AND AKL, S.G. 1985. An optimal algorithm for assigning cryptographic keys to control access in a hierarchy. IEEE Transactions on Computers 34, 9 (Sep.), 797-802. Google Scholar
- {16} SANDHU, R.S. 1988. Cryptographic implementation of a tree hierarchy for access control. Information Processing Letters 27, 95-98. Google ScholarDigital Library
A new dynamic key generation scheme for access control in a hierarchy
What Is Dynamic Key Generation 2
Login options
Check if you have access through your login credentials or your institution to get full access on this article.
Sign inFull Access
Published in
In-Cooperation
Publisher
Publishing Association Nordic Journal of Computing
Finland
Publication History
Author Tags
Qualifiers
- article
Funding Sources
Article Metrics
- Total CitationsView Citations
- Total Downloads
- Downloads (Last 12 months)0
- Downloads (Last 6 weeks)0
Other Metrics
What Is Dynamic Programming
Digital Edition
View this article in digital edition.
View Digital EditionThis class provides the functionality of a secret (symmetric) key generator.Key generators are constructed using one of the getInstance
class methods of this class.
KeyGenerator objects are reusable, i.e., after a key has been generated, the same KeyGenerator object can be re-used to generate further keys.
There are two ways to generate a key: in an algorithm-independent manner, and in an algorithm-specific manner. The only difference between the two is the initialization of the object:
- Algorithm-Independent Initialization
All key generators share the concepts of a keysize and a source of randomness. There is an
init
Ssh key generate mac os. method in this KeyGenerator class that takes these two universally shared types of arguments. There is also one that takes just akeysize
argument, and uses the SecureRandom implementation of the highest-priority installed provider as the source of randomness (or a system-provided source of randomness if none of the installed providers supply a SecureRandom implementation), and one that takes just a source of randomness.Since no other parameters are specified when you call the above algorithm-independent
init
methods, it is up to the provider what to do about the algorithm-specific parameters (if any) to be associated with each of the keys. - Algorithm-Specific Initialization
For situations where a set of algorithm-specific parameters already exists, there are two
init
methods that have anAlgorithmParameterSpec
argument. One also has aSecureRandom
argument, while the other uses the SecureRandom implementation of the highest-priority installed provider as the source of randomness (or a system-provided source of randomness if none of the installed providers supply a SecureRandom implementation).
In case the client does not explicitly initialize the KeyGenerator (via a call to an init
method), each provider must supply (and document) a default initialization.
Every implementation of the Java platform is required to support the following standard KeyGenerator
algorithms with the keysizes in parentheses:
- AES (128)
- DES (56)
- DESede (168)
- HmacSHA1
- HmacSHA256