A digital certificate or Digital Certificates is a mode of communication to identify people and resources over complex internet networks. These certificates enable stringent security features, just as a passport or any other identification proof. These certificates are provided by the Certification Authority, whereby the digital certificate has to be signed the issuing authority so that it is not tampered with. On creation of a Digital Certificate, the vendor can deploy their certificate to websites, people, and other network resources. The Digital Certificate comprises of the following information like name of the holder, identification info such as URL, the public key, name of the Certification Authority (CA), a serial number and validity of the certificate. Digital Certificates are designed on public-key cryptography; this means there are two mechanisms working in place, viz for encryption and decryption.
Digital Certificates are security measures that amalgamate your identity with a trusted third party public key. An SSL protocol is a standard for securing critical transactions and communications, this certificate does create a secure a confidential bridge between two parties. Data or transactions done over an SSL connection cannot be tampered with; the newest version of SSL is the transport layer security or TLS. When a browser wants to send important information to a web server, the browser with access the serverís digital certificate.
There are different types of Digital certificates having their own functions like Root Authority Certificates, Institutional Authority Certificates, Client Certificates and Web Server Certificates. There are many features of Digital Certificates
1. Authenticate and Authorize Secure Transactions over the network
2. Single point of authentication and access control
3. Integrate and consolidate a wide variety of access management systems
4. Supported by all the web browsers
5. Provide Encryption Capabilities
All major browsers store digital certificates and provide them to web based applications and are a part of the Secure Socket Layer (SSL). All SSL certificates are capable of running 128 bit and 256 bit encryption, but not all browsers are capable of supporting that kind of encryption procedure.SSL certificates with an SGC or Server-Gated Cryptography support 128 or 256 bit encryption with 99.9 percent of website visitors. The SSL certificate allows more than one domain to be added to a single certificate.
A digital signature is code signed to ensure that the software or downloaded product is not tampered while en route. With so much going on over the internet there are cyber criminals who have the ability to tamper with the transactions by connecting a virus or other software to it. There are SSL certificates that offer extended validation; these certificates offer very high levels of authentication and security at the highest levels.
Therefore in such trying times, digital certificates are mandatory for all transactions as the internet has opened global opportunities to conduct online commerce and integrate online services and protect the credibility of login details, credit cards and other personal details. Therein before making a transaction ensure that your browser supports digital certificates and a vendor also has the certificates signed by the issuing authority.
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