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Topic: Key distribution center

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	[ Ant ] K ◁ GIST ◁ Glossaries ◁ Overview ◁ Security Matters
		The KDC encrypts the second set in the KEK it shares with Bob, and either sends that encrypted set to Alice for her to forward to Bob, or sends it directly to Bob (although the latter option is not supported in the ANSI standard [A9017]).
		The matching private key is kept secret by the owner, who uses it to decrypt data, generate a digital signature, verify a protected checksum, or generate a key in a key agreement algorithm.
		The center decrypts the set, reencrypts the set in the KEK it shares with Bob, and either sends that encrypted set to Alice for her to forward to Bob, or sends it directly to Bob (although direct distribution is not supported in the ANSI standard [A9017]).
	homepage.mac.com /antallan/gistk.html (2689 words)

	Key Distribution - Key Distribution Center inventions
		Key Distribution Center patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.
		An information processing system and method using an encryption key block sets sub-trees classified based on data processing ability of the devices (capability) in a key tree in which respective keys are corresponded to a root, nodes and leaves of a tree in which a plurality of devices are constituted...
		Generic session keys are pre-generated and stored in a pool of session keys for later use in communicating within a communications environment.
	www.freshpatents.com /x1380279000psbc.php (860 words)

	Define KDC - Key Distribution Center
		KDC is used for security purposes and is part of a secret code system that reduces the risks in exchanging Keys (encrypted information that control operation of an algorithm).
		KDC uses Kerberos (a network authentication protocol) which is a secure method for authenticating a request for a service in a computer network.
		A KDC operation includes request from users to use a particular computer network service, then encrypted techniques are use to authenticate the requestor as themselves.
	www.birds-eye.net /definition/k/kdc-key_distribution_center.shtml (585 words)

	Key (cryptography) - Wikipedia, the free encyclopedia
		Keys are also used in other cryptographic algorithms, such as digital signature schemes and keyed-hash functions (also known as MACs), often used for authentication.
		A newer class of "public key" cryptographic algorithms was discovered in the 1970s which use a pair of keys, one to encrypt and one to decrypt.
		When a password (or passphrase) is used as an encryption key, well-designed cryptosystems first run it through a key-derivation algorithm which adds salt and reduces or expands it to the key length desired, for example by reducing a long phrase into a 128-bit value suitable for use in a block cipher.
	en.wikipedia.org /wiki/Key_(cryptography) (868 words)

	Key distribution center - Wikipedia, the free encyclopedia
		In cryptography, a key distribution center (KDC) is part of a cryptosystem intended to reduce the risks inherent in exchanging keys.
		In most (but not all) cases the KDC shares a key with each of all the other parties.
		The KDC produces a ticket based on a server key.
	en.wikipedia.org /wiki/Key_distribution_center (250 words)

	The Internet public key infrastructure
		Therefore, in (A) 7 key distributions are required; in (B), where users are partitioned along a bipartite graph, 12 key distributions are required; and in the case of complete graph (C), in which each user needs to communicate with the rest of the group, a total of 21 key distributions are needed.
		Distribution of long-term secret keys goes against the core premise of symmetric key cryptography, for which the strength lies in the secrecy of the key.
		The problem with secret key distribution is not so much the number of distributions needed to propagate the keys; rather it is the need to find a secure channel for their distribution.
	www.research.ibm.com /journal/sj/403/benantar.html (7569 words)

	The Cable Center
		Keys are numeric assignments for the various calling features an ISDN adapter supports, like call drop, transfer and hold.
		The swapping of public keys between entities to be used to encrypt communication between the entities.
		An associated public and private key where the correspondence between the two are mathematically related, but it is computationally infeasible to derive the private key from the public key.
	www.cablecenter.org /education/library/glossaryK.cfm (397 words)

	shared key
		This is where the Key Distribution Center is used and it consists of a service which runs on all Windows 2000 domain controllers and generates the shared key for the client and server and sends it in an encrypted form to the client.
		The KDC responds to the client's request to talk to a server by sending both copies of the session key to the client (one for the client, one for the server but it is the same key just packaged differently).
		The client's copy of the session key is encrypted with the key that the KDC shares with the client.
	www.softheap.com /security/shared-key.html (428 words)

	WESCO International, Inc.: Distribution and Logistics: Distribution Centers
		Our team of dedicated Distribution Center associates is focused on providing sourcing and fulfillment services that exceed your expectations, and is available 24 hours a day, 7 days a week to respond to your urgent product needs.
		Each Distribution Center is equipped with the latest technology in warehouse management, material handling, order processing, and inventory management, including state-of-the-art conveyor systems, flow-racks, RF scanners, and other advanced technology applications.
		WESCO's Distribution Centers are equipped with the latest technology in warehouse management, including state-of-the-art conveyor systems, flow-racks and RF scanners.
	www.wescodist.com /capabilities/distribution3.asp (429 words)

	A System for Public-Key Services in the Spanish Research and Academic Network
		A unique secret key, shared by the sender and the receiver, is used in private-key systems and is used for both encryption and decryption.
		Generally, the KDC can be something of a bottleneck in the central system because a user must ask the KDC for a public key for each user to be contacted.
		All CAs registers their key in the database of the KSU immediately above them in the hierarchy, if that exists, and the key is then authenticated by the CA in that KSU.
	www.isoc.org /isoc/whatis/conferences/inet/97/proceedings/A4/A4_2.HTM (3097 words)

	CS 513 System Security -- Key Management
		The KDC generates a fresh key for any other communicating pair of hosts that request one and distributes it to those hosts.
		The KDC maintains a database whose entries are pairs: a principal name, p, and an encrypted version (under a key only the KDS knows) of p's master key.
		The KDC will invent a fresh key and also provide A with a ticket to B. This ticket will be used when A actually wants to access B. We first diagram the protocol for acquiring credentials.
	www.cs.cornell.edu /courses/cs513/2005fa/L25.html (1160 words)

	[No title] (Site not responding. Last check: )
		We first presented a general framework for pairwise key establishment based on the polynomial-based key pre-distribution and the probabilistic key distribution.
		Based on secret sharing techniques, we first developed a novel personal key distribution technique, which is able to distribute distinct keys to different group members in a single message.
		With this novel personal key distribution scheme, we then developed an efficient unconditionally secure self-healing group key distribution scheme, which is superior to the previous unconditionally secure self-healing group key distribution techniques.
	ranger.uta.edu /~dliu/research.html (1020 words)

	RFC 3634 (rfc3634) - Key Distribution Center (KDC) Server Address Sub-opti
		The key words "MUST", "MUST NOT", "SHOULD", "SHOULD NOT" and "MAY" in this document are to be interpreted as described in BCP 14, RFC 2119 [4].
		Key Distribution Center IP Address Sub-option CableHome specifications will specify the Key Distribution Center network address encoding as a sub-option of the CCC DHCP Option code.
		Another safeguard that can be taken by service providers to limit their exposure to their KDC server(s) is to configure their network so that the KDC(s) reside on a separate subnetwork.
	www.faqs.org /rfcs/rfc3634.html (1225 words)

	Bellare - key distribution
		The first paper in this line was Entity authentication and key distribution which looked at a two party setting and introduced a model for sessions.
		The three party case (Kerberos model) was addressed in the paper Provably secure session key distribution: the three party case.
		The key element in our approach is a modular treatment of the authentication problem in cryptographic protocols; this applies to the definition of security, to the design of the protocols, and to their analysis.
	www-cse.ucsd.edu /users/mihir/papers/key-distribution.html (799 words)

	Group Key Management
		Besides matching the hierarchical nature of the military command structure, this approach is primarily of interest because it permits the rapid distribution of session keys for a large number of users in a manner that efficiently uses the bandwidth-limited wireless medium.
		Traditionally, the key distribution function has been assigned to a central network entity, or Key Distribution Centre (KDC), but this method does not scale for wide-area multicasting, where group members may be widely-distributed across the internetwork, and a wide-area group may be densely populated.
		It focuses on two main areas of concern with respect to key management, which are, initializing the multicast group with a common net key and rekeying the multicast group.
	www.csm.ornl.gov /~dunigan/gkm.html (1480 words)

	K (Windows)
		Clients obtain tickets from the Kerberos Key Distribution Center (KDC), and they present these tickets to servers when connections are established.
		The format of the key BLOB when a public or session key is exported from a CSP.
		Key exchange functions can also be used to implement fully authenticated three-phase key exchanges.
	msdn.microsoft.com /en-us/library/ms721590(VS.85).aspx (608 words)

	On Unconditionally Secure Robust Distributed Key Distribution Centers (ResearchIndex)
		Abstract: A Key Distribution Center enables secure communications among groups of users in a network by providing common keys that can be used with a symmetric encryption algorithm to encrypt and decrypt messages the users wish to send to each other.
		A Distributed Key Distribution Center is a set of servers of a network that jointly realize a Key Distribution Center.
		1 the Distribution of a Key Distribution Center (context) - D'Arco - 2001
	citeseer.ist.psu.edu /607651.html (436 words)

	LoopNet - Key Distribution Center, Manufacturing, Carlisle, PA
		Key Distribution Center is a state of the art high bay warehouse/distribution facility.
		Located within one mile of Exit 44 of Intersate 81, Key Distribution Center offers immediate highway access to the Northeastern United States.
		You and your advisors should conduct a careful, independent investigation of the property to determine to your satisfaction the suitability of the property for your needs.
	loopnet.com /xNet/MainSite/Listing/Profile/Profile.aspx?LID=14627956 (190 words)

	[No title]
		Secrete key and public key are used by a principal to communicate with another principal.
		A public key may be known by many parties and a secrete key must be shared by only two sides and must not revealed to anyone else.
		Public key encryption algorithms typically require 100 to 1000 times as much processing power as secrete-key algorithms, but sometimes public key encryption is much more convenient than secrete key encryption.
	www.cs.cityu.edu.hk /courses/cs6223/T-Sec-10.ppt (630 words)

	Alert Details - Security Center - Cisco Systems
		Since the KDC server typically does not allow write access to the Kerberos key database, the attacker should not be able to corrupt this data unless the attacker can execute arbitrary code.
		The attacker may also be able to expose sensitive information such as secret key data, which may be utilized to launch further attacks against the server or systems that trust the affected system for authentication.
		The KDC server uses a global variable to store a pointer to the buffer holding the response that is to be returned when answering an incoming krb4 request; however, the server only sets the variable when certain valid message types are received.
	tools.cisco.com /security/center/viewAlert.x?alertId=15463 (1396 words)

	Grubb & Ellis Corporate - Key Distribution Center, Distribution Warehouse, Carlisle, PA
		Key Distribution Center is a state of the art high bay warehouse/distribution facility.
		Located within one mile of Exit 44 of Intersate 81, Key Distribution Center offers immediate highway access to the Northeastern United States.
		You and your advisors should conduct a careful, independent investigation of the property to determine to your satisfaction the suitability of the property for your needs.
	www.loopnet.com /xNet/LoopLink/Profile/Profile.aspx?LL=true&LID=14627956&STID=grubb (188 words)

	ARRIS: OSS > Subscriber Fulfillment > Key Distribution Center (KDC)
		C-COR's Key Distribution Center (KDC) is designed to comply with the latest PacketCable
		The KDC provides a modular approach to layering PacketCable security on top of your existing data over cable (DOCSIS®) infrastructure.
		The KDC acts as a trusted friend, negotiating the secret handshakes that allow service connections to be established securely.
	www.c-cor.com /oss/subscriber_fulfillment/kdc.cfm (246 words)

	Amazon.com: "parts distribution center": Key Phrase page
		See all pages with references to "parts distribution center".
		I visited many Toyota plants, supplier plants, Toyota's sales offices, a parts distribution center, a supplied parts cross-dock, the Arizona proving ground, and the Toyota Technical Center.
		Key Phrases: Naval Supply Systems Command, United States, John Deere, Captain Carousels, May Company, The Logistics Institute, computerizing warehouse operations, case picking operations, single order picking, broken case picking, customer order profile, warehouse order cycle time (see more)
	www.amazon.com /phrase/parts-distribution-center (258 words)

	Key Distribution
		One of the biggest practical problems in symmetric cryptography (and perhaps the driving force behind the development of asymmetric public key cryptography) is the secure distribution of keys.
		There are two elements to the problem: how do you distribute the keys securely, and how do you cope with the sheer volume of keys that are necessary in a symmetric crypto system.
		And, of course, the problem continues whenever a key is compromised or lost, or a member of staff leaves, joins or is sacked.
	www.itsecurity.com /security.htm?s=479 (387 words)

	“KDC” to “kill” (Sun Global Glossary) - Sun Microsystems
		A key field, a field that is located in the same place in every record of a file or data set, has content that is the key for the record.
		(n.) A key or sequence of keys on the keyboard, or multiple clicks of mouse buttons, through which users can quickly perform specific menu or application functions without using a menu.
		(n.) A key that is used to encipher and decipher other keys, as part of a key management and distribution system.
	docs.sun.com /app/docs/doc/805-4368/6j450e60l?l=zh&a=view (284 words)

	[No title]
		The KDC MAY directly send additional data after the zero value, without waiting for the client to respond, as specified by the particular negotiated extension.
		If a KDC receives a PROBE, or if a KDC does not support all extensions corresponding to set bits in the extension bitmask, the KDC MUST return 4 octets with the high bit set, and with the remaining bitmask indicating which extensions it supports.
		The author grants irrevocable permission to anyone to use, modify, and distribute it in any way that does not diminish the rights of anyone else to use, modify, and distribute it, provided that redistributed derivative works do not contain misleading author or version information.
	josefsson.org /krb5starttls/draft-josefsson-krb-tcp-expansion.xml (1212 words)

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