Private keys can be used to create e-signatures or decrypt messages or files. The same private key used to sign should not be used to decrypt. The architecture, organization, techniques, practices, and procedures that collectively support the implementation and operation of a certificate-based asymmetric cryptographic system. The PKI consists of systems that collaborate to provide and implement e-signatures, encryption, and authentication services. Security - refers to the protection of information assets, including both physical and technical controls over access to information.
Security has technical, physical, and procedural components.
This is a protocol developed by Netscape for transmitting private documents via the Internet . SSL works by using a private key to encrypt data that's transferred over the SSL connection. Both Netscape Navigator and Internet Explorer support SSL, and many Web sites use the protocol to obtain confidential user information, such as credit card numbers. Tokens - A small hardware device used for security purposes to store confidential user identification or authentication information such as a private key . A network that is constructed by using public wires to connect nodes.