When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. Public-key cryptography - Wikipedia

   en.wikipedia.org/wiki/Public-key_cryptography

   One approach to prevent such attacks involves the use of a public key infrastructure (PKI); a set of roles, policies, and procedures needed to create, manage, distribute, use, store and revoke digital certificates and manage public-key encryption. However, this has potential weaknesses.

3. Public key infrastructure - Wikipedia

   en.wikipedia.org/wiki/Public_key_infrastructure

   A public key infrastructure (PKI) is a system for the creation, storage, and distribution of digital certificates which are used to verify that a particular public key belongs to a certain entity. The PKI creates digital certificates which map public keys to entities, securely stores these certificates in a central repository and revokes them ...

4. Online Certificate Status Protocol - Wikipedia

   en.wikipedia.org/wiki/Online_Certificate_Status...

   It was created as an alternative to certificate revocation lists (CRL), specifically addressing certain problems associated with using CRLs in a public key infrastructure (PKI). [3] Messages communicated via OCSP are encoded in ASN.1 and are usually communicated over HTTP.

5. X.509 - Wikipedia

   en.wikipedia.org/wiki/X.509

   An early issue with Public Key Infrastructure (PKI) and X.509 certificates was the well known "which directory" problem. The problem is the client does not know where to fetch missing intermediate certificates because the global X.500 directory never materialized. The problem was mitigated by including all intermediate certificates in a request.

6. Public key certificate - Wikipedia

   en.wikipedia.org/wiki/Public_key_certificate

   In a typical public-key infrastructure (PKI) scheme, the certificate issuer is a certificate authority (CA), [3] usually a company that charges customers a fee to issue certificates for them. By contrast, in a web of trust scheme, individuals sign each other's keys directly, in a format that performs a similar function to a public key certificate.

7. Digital signature - Wikipedia

   en.wikipedia.org/wiki/Digital_signature

   This is commonly done using a public key infrastructure (PKI) and the public key↔user association is attested by the operator of the PKI (called a certificate authority). For 'open' PKIs in which anyone can request such an attestation (universally embodied in a cryptographically protected public key certificate ), the possibility of mistaken ...

8. Key exchange - Wikipedia

   en.wikipedia.org/wiki/Key_exchange

   The protocol enables users to securely exchange secret keys even if an opponent is monitoring that communication channel. The D–H key exchange protocol, however, does not by itself address authentication (i.e. the problem of being sure of the actual identity of the person or 'entity' at the other end of the communication channel).

9. Attribute-based encryption - Wikipedia

   en.wikipedia.org/wiki/Attribute-based_encryption

   Attribute-based encryption is a generalisation of public-key encryption which enables fine grained access control of encrypted data using authorisation policies. The secret key of a user and the ciphertext are dependent upon attributes (e.g. their email address, the country in which they live, or the kind of subscription they have).