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Topic: Public key certificate


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In the News (Fri 17 Feb 12)

  
  RFC 2459 (rfc2459) - Internet X.509 Public Key Infrastructure Certificate
Certificates may be used in a wide range of applications and environments covering a broad spectrum of interoperability goals and a broader spectrum of operational and assurance requirements.
Certificate using applications may nevertheless require that a particular purpose be indicated in order for the certificate to be acceptable to that application.
The algorithm requires the public key of the CA, the CA's name, the validity period of the public key, and any constraints upon the set of paths which may be validated using this key.
www.faqs.org /rfcs/rfc2459.html   (16355 words)

  
 Define public key certificate - a definition from Whatis.com   (Site not responding. Last check: 2007-11-07)
The document consists of a specially formatted block of data that contains the name of the certificate holder (which may be either a user or a system name) and the holder's public key, as well as the digital signature of a certification authority for authentication.
The certification authority attests that the sender's name is the one associated with the public key in the document.
The other components are public key encryption, trusted third parties (such as the certification authority), and mechanisms for certificate publication and issuing.
searchsecurity.techtarget.com /sDefinition/0,,sid14_gci497876,00.html   (303 words)

  
 RFC 2510 (rfc2510) - Internet X.509 Public Key Infrastructure Certificate
The indirect method is to issue a certificate which is encrypted for the end entity (and have the end entity demonstrate its ability to decrypt this certificate in the confirmation message).
The "new with old" certificate must have a validity period starting at the generation time of the new key pair and ending at the time by which all end entities of this CA will securely possess the new CA public key (at the latest, the expiry date of the old public key).
The benefit of this approach is that a CA may reply with a certificate even in the absence of a proof that the requester is the end entity which can use the relevant private key (note that the proof is not obtained until the PKIConfirm message is received by the CA).
www.faqs.org /rfcs/rfc2510.html   (12897 words)

  
 [No title]   (Site not responding. Last check: 2007-11-07)
That is, a certificate communicates power from its issuer to its subject, but the ACL is the source that power (since it theoretically has the owner of the resource being controlled as its implicit issuer).
This can be in the form of a key, a name (with the understanding that the name is mapped by certificate to some key or other object), a hash of some object, or a set of keys arranged in a threshold function.
That certificate will have a validity period no larger that of any certificate in the loop which formed it, but during that validity period it can be used by the prover instead of the full chain, when speaking to that particular verifier.
world.std.com /~cme/spki.txt   (8669 words)

  
 Export the Public Key Certificate
In order to do so, they need the public key corresponding to the private key used to generate the signature.
You supply this by sending them a copy of the certificate containing the public key.
Given that certificate and the signed JAR file, a client can use the
java.sun.com /docs/books/tutorial/security1.2/toolfilex/step4.html   (117 words)

  
 Public Key Certificate (PKC)   (Site not responding. Last check: 2007-11-07)
A public key certificate is a document that:
Contains a set of attributes that identifies its owner
Is digitally signed by a trusted third party called a Certificate Authority (CA).
publish.uwo.ca /~jonny/pki/tsld010.htm   (41 words)

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