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GnuTLS (/ ˈ ɡ n uː ˌ t iː ˌ ɛ l ˈ ɛ s /, the GNU Transport Layer Security Library) is a free software implementation of the TLS, SSL and DTLS protocols. It offers an application programming interface (API) for applications to enable secure communication over the network transport layer, as well as interfaces to access X.509, PKCS #12, OpenPGP and other structures.
In cryptography and computer security, a root certificate is a public key certificate that identifies a root certificate authority (CA). [2] Root certificates are self-signed (and it is possible for a certificate to have multiple trust paths, say if the certificate was issued by a root that was cross-signed) and form the basis of an X.509 ...
The root certificate was used to sign two intermediate certificates, [44] which are also cross-signed by the certificate authority IdenTrust. [ 7 ] [ 45 ] One of the intermediate certificates is used to sign issued certificates, while the other is kept offline as a backup in case of problems with the first intermediate certificate. [ 44 ]
Therefore, each CA (root or intermediate) is only responsible for tracking the revocation of certificates it alone has issued. Consider the scenario where a root CA issues certificates to three intermediate CAs: A, B, and C: The root CA has issued a total of three certificates. The newly created intermediate CAs then issue their own certificates:
In more detail, when making a TLS connection, the client requests a digital certificate from the web server. Once the server sends the certificate, the client examines it and compares the name it was trying to connect to with the name(s) included in the certificate. If a match occurs, the connection proceeds as normal.
Most email software and applications have an account settings menu where you'll need to update the IMAP or POP3 settings. When entering your account info, make sure you use your full email address, including @aol.com, and that the SSL encryption is enabled for incoming and outgoing mail.
The roles of root certificate, intermediate certificate and end-entity certificate as in the chain of trust. In computer security, a chain of trust is established by validating each component of hardware and software from the end entity up to the root certificate. It is intended to ensure that only trusted software and hardware can be used ...
To update an offline Wiki for WikiTaxi, download and import a more recent database dump. For WikiTaxi reading, only two files are required: WikiTaxi.exe and the .taxi database. Copy them to any storage device (memory stick or memory card) or burn them to a CD or DVD and take your Wikipedia with you wherever you go!