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Topic: Key server (cryptographic)

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	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) (869 words)

	Public-key cryptography - Wikipedia, the free encyclopedia
		For most of the history of cryptography, a key had to be kept absolutely secret and would be agreed upon beforehand using a secure, but non-cryptographic, method; for example, a face-to-face meeting or a trusted courier.
		Another potential weakness in the process of using asymmetric keys is the possibility of a 'Man in the middle attack', whereby the communication of public keys is intercepted by a third party and modified to provide the third party's own public keys instead.
		Whatever the cryptographic assurance of the protocols themselves, the association between a public key and its owner is ultimately a matter of subjective judgement on the part of the trusted third party, since the key is a mathematical entity whilst the owner and the connection between owner and key is not.
	en.wikipedia.org /wiki/Public-key_cryptography (3276 words)

	Key server - Wikipedia, the free encyclopedia
		Key server (cryptographic), a server on which public keys are stored for others to use
		Key server (software licensing), a server that distributes software license keys
		This is a disambiguation page: a list of articles associated with the same title.
	en.wikipedia.org /wiki/Key_server (95 words)

	Threat Analysis for the PEKE Algorithm
		An adversary induces a server to proceed through a protected session and leaves the server under the impression that everything went fine despite the fact that the legitimate client was not involved (contrary to the client role sham, the adversary does not acquire insight into the client-server relationship).
		After obtaining the private key of the server (without this fact being noticed by legitimate participants), an adversary attempts to sham the server role, to passively eavesdrop a protected session, or otherwise attack one or more protected sessions.
		A digital signature of a portion of the session key, generated by one party and verified by the other party, is another possible countermeasure (admittedly, it requires an authenticated public key for the signature).
	www.connotech.com /PEKETHRT.HTM (1946 words)

	The Internet public key infrastructure
		A cryptographic transformation of data is a deterministic procedure by which data, in their plaintext form, are disguised to result in a ciphertext representation that does not reveal the original data.
		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.
		To digitally sign a document using a public key cryptographic algorithm, a hashing function is applied to the document, then the hash is encrypted using the private key of a public key pair.
	www.research.ibm.com /journal/sj/403/benantar.html (7569 words)

	Canadian Patent Appl. 2,271,178 Filed 1999/05/06
		The key management facilities of the present invention use the prior art technique of splitting a secret cryptographic key into a small number of key components for purposes of backup storage and transmission between secure devices.
		Another alternative for the key component interface 119 is an ordinary keyboard, where the media is a human readable printout, but this alternative is not very convenient given the relatively large size of the cryptographic key material for public key cryptography.
		Since the key at the top of the key hierarchy must be strongly protected, it is recommended to isolate the backup of this particular key (the private key) in separate safe boxes from the secure storage used by the information security personnel for less critical backup cryptographic key material.
	www.connotech.com /WIRCPATA.HTM (13899 words)

	[No title]
		This draft is meant to propose a protocol/system that would both enable the automatic retrieval of cryptographic keys, and the exchange of keys between servers (both new keys, and those deleted through revocation certificates).
		Key ID (ascii hexadecimal string) 1.3 Server Actions The keyserver may initially respond to a limited number of commands: 1.
		Key Data Submittals 3.1 Submission Criteria A client may request submission of a key through the use of the ADD command.
	quimby.gnus.org /internet-drafts/draft-merriman-realtime-key-00.txt (965 words)

	XADM: Key Management Server Concepts in Exchange 2000
		The other key is a private key that is kept on the client computer in a secure location that is available only to the user, preserving the non-repudiation feature of digital signatures.
		One key pair that is created on the client is for digital signatures, and the other key pair that is created on KMS is for e-mail encryption.
		Key recovery may be necessary for two reasons; when users are imported from another KMS, and when users lose their keys.
	support.microsoft.com /?id=812594 (2282 words)

	Define KLS - Key List Server
		The server uses the key list in reverse order, so as a practical matter the next session key cannot be predicted from the previous one, but the client can verify it using the same hash as the server.
		A client sends its designated public key to the server, which generates the cookie and sends it to the client encrypted with this key.
		Session keys from this list are used to generate message authentication codes (MAC) which are checked by the server for the request and by the client for the response.
	www.birds-eye.net /definition/k/kls-key_list_server.shtml (762 words)

	Wave Systems Corp. (Site not responding. Last check: 2007-10-23)
		Migration and TPM key recovery is vital for all businesses and especially those needing to retain access to encrypted data for a predetermined time.
		Embassy Key Management Server eliminates the risk of serious data loss in the event that a TPM security chip or hard drive is corrupted.
		Embassy Key Management Server uses IBM’s 4758 PCI Cryptographic Coprocessor, which is an option allowing the server to deliver the highest security and data integrity for TCG migration services.
	www.wave.com /products/ktmes.html (720 words)

	[No title]
		That is, our protocol does not require that the Web server be a member of a Kerberos realm, and also does not rely on time-synchronization be- tween the participants.
		Now, suppose Alice is a client of a Kerberos server KRB, so that she shares a password key Ka with the server.
		This means that Alice's CPU waits idly for her server to perform these slow encryptions.
	world.std.com /~dtd/rsatkt/rsatkt3.txt (2191 words)

	Suse: GnuPG multiple vulnerabilities - The Community's Center for Security
		The result is a crash of gpg or a potential execution of arbitrary code provided by the attacker, if the keyserver is used for key retrieval at the time of the attack.
		Since the announcement containing the checksums is cryptographically signed (usually using the key security@suse.de), the checksums show proof of the authenticity of the package.
		The public part of this key must be installed by the gpg program in the directory ~/.gnupg/ under the user's home directory who performs the signature verification (usually root).
	www.linuxsecurity.com /content/view/105565/112 (784 words)

	The Hardware Security Module: HSM
		Therefore, the entire cryptographic development environment, including APIs, tools, sample code and documentation needed to develop MS CAPI applications is provided directly by Microsoft as part of their standard Windows Operating System environment and additional development facilities, e.g.
		The strength of a cryptosystem is dependent on the storage and management of the cryptographic keys.
		All keys within the Microsoft CAPI are saved within a CSP key database generally located within software on a host server.
	www.safenet-inc.com /products/pki/ProtectToolkit_M.asp (636 words)

	www.eruces.com - 4.0
		Tricryption Key Server offers a wide range of cryptography, authentication, and authorization options to allow customers to support virtually any global security standard.
		The system keys are also stored in the same key database and encrypted using one of so called master keys.
		Other master keys are used for tasks like signing rows in the key database, protecting passwords, establishing TLS channel, etc. The master keys reside in the master key container.
	www.eruces.com /content/view/36/2 (1008 words)

	Quantum Key Server - Cambridge Research Laboratory
		In particular, it allows key distribution over standard telecom fibre links exceeding 100km in length and bit rates sufficient to generate up to 100 256-bit keys per second.
		The system can be used for a wide range of cryptographic applications, eg encryption or authentication of sensitive documents, messages or transactions.
		Quantum key distribution over 122km of standard telecom fibre by C Gobby, Z Yuan and A J Shields
	www.toshiba-europe.com /research/crl/QIG/quantumkeyserver.html (288 words)

	SSL/TLS Strong Encryption: FAQ - Apache HTTP Server
		Make sure you are connecting to a virtual server that supports SSL, which is probably the IP associated with your hostname, not localhost (127.0.0.1).
		An RSA private key file is a digital file that you can use to decrypt messages sent to you.
		Verisign uses an intermediate CA certificate between the root CA certificate (which is installed in the browsers) and the server certificate (which you installed on the server).
	httpd.apache.org /docs/2.0/ssl/ssl_faq.html.en (5353 words)

	Synchronizing Key Server - Summary [Savannah]
		Fully compatible with PKS system --- can both send and receive syncs from PKS servers, ensuring seamless connectivity.
		The first, "sks db", fulfills the normal jobs associated with a public key server, such as answering web requests.
		The only special functionality of "sks db" is that it keeps a log summarizing the changes to the key database.
	savannah.nongnu.org /projects/sks (237 words)

	XCLN: Recovering Key Management Server Digital ID Password
		If you recover a user's security key in the Exchange Server Administrator program, it generates a new security token.
		That password is used to safeguard the user's digital ID. If the user forgets the password that he or she entered during the initial setup of advanced security, the user cannot continue with advanced security setup.
		When the user enters the recovered security key, that user is prompted to supply a password to safeguard the digital ID. This password is the user's new password for that digital ID. The user can set a new password and finish the recovery.
	support.microsoft.com /default.aspx?scid=kb;EN-US;239551 (385 words)

	CFP 2004 / Computer Freedom & Privacy Conference
		Widely recognized as the inventor of electronic cash, he also originated a number of basic cryptographic techniques, general results, and techniques that allow individuals to protect their identity and related information in interactions with organizations.
		He has also been actively involved in all key meetings of the preparatory process of the UN World Summit on the Information Society, including as a panelist at the Pan European and Latin American Regional Meeting, and an NGO member of the Canadian delegation to the second preparatory meeting.
		Landau is also primary author of the 1994 Association for Computing Machinery report "Codes, Keys, and Conflicts: Issues in US Crypto Policy." Prior to her work in policy, Landau did research in symbolic computation and algebraic algorithms, discovering several polynomial-time algorithms for problems that previously only had exponential-time solutions.
	www.cfp2004.org /program/speakers.html (17893 words)

	sci.crypt: Re: Toshiba Quantum Key Server System (Site not responding. Last check: 2007-10-23)
		Reply: Unruh: "Re: Toshiba Quantum Key Server System"
		I did think about it some time, and concluded that it was not secure AT ALL.
		Because, although they distribute the random key via optical cable, and
	www.derkeiler.com /Newsgroups/sci.crypt/2005-05/0047.html (395 words)

	Symmetric key exchange: trusted server
		A decrypts msg from S using DA and verifies nonce.
		A, B use standard public key techniques to agree on a session key
		Oct 96: 56 bit key technology selectively exportable for two year trial basis
	gaia.cs.umass.edu /cs653-1997/notes/ch9/ch9-2.htm (414 words)

	Pgp - Tom McCune's PGP Page (Site not responding. Last check: 2007-10-23)
		The pathfinder uses the key database of the key server running on the.earth.li (aka wwwkeys.uk.pgp.net).
		RSA The RSA public key crypto algorithm as used in PGP.
		The bug is that some versions of PGP respond to ADK subpackets in the non-signed part of the Yes - the bug I found was within the PGP SDK from NAI.
	pgp.gamesiteinfo.com (1027 words)

	Layer 8
		We never thought we'd type the words "coolest USB hub", but then again we never thought we'd find out that looked like a nuke launcher.
		The four-port hub "is equipped with a launch key, suitably military-looking toggle switches and, of course, the big red button, tucked under a protective flap," writes The Register.
		It costs $45 and is, sadly for now, only available in Japan.
	www.networkworld.com /weblogs/layer8 (2576 words)

	The PKI page
		Selecting Cryptographic Key Sizes (Arjen Lenstra, Eric R.Verheul)
		Cryptographic Software Export Controls in the EU (thesis by Simo-Pekka Parviainen)
		RFC 3560: "Use of the RSAES-OAEP Key Transport Algorithm in CMS"
	www.pki-page.org (2067 words)

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