Introduction to Digital Rights Management - DRM

DRM Secure Socket Layer - SSL

A secure socket layer (SSL) is a security protocol that is used to protect/encrypt information that is sent between end user (client) and a server so that eavesdroppers (such as sniffers on a router) cannot understand (cannot decode) the data. SSL version 2 provides security by allowing applications to encrypt data that goes from a client, such as a Web browser, to a matching server (encrypting your data means converting it to a secret code). SSL version 3 allows the server to authenticate (validate the authenticity) the client.

SSL uses a public asymmetric encryption process that uses a key pair. One key is private and one key is public. The owner of the key pair only uses the private key and the public key can be shared with others. The SSL process uses certificates from trusted third parties (certificate authorities) that validate the authenticity of messages and users.

Because the asymmetric encryption process used by the SSL system is relatively complex and time consuming to process, the SSL system may change its encryption process to use symmetric encryption after the initial asymmetric public key secure link has been setup.

Figure 1.19 shows how secure socket layer can be used to protect the transfer of digital information between the user (client) and the provider (server) of the information. This diagram shows that SSL operation uses asymmetric public key encryption to allow the sharing of public keys and that a certificate authority is used as a trusted third party to provide public keys that are accessible and verifiable. In this example, the CA has provides a key pair (public and private key) to a vendor. The server (vendor) provides their public key in their certificate, which allows the user to decode encrypted messages that are provided by the vendor. The vendor certificate is signed by the CA, which can be verified by the user. This example shows that after SSL public key encryption link is established, the SSL system can exchange keys that can be used for a less complex symmetrical encryption process.

Table that describes copyright, patents, trademark, and trade secrects

Types of Intellectual Property Rights Diagram

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Digital Rights Management - DRM Books

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Introduction to Digital Rights Management - DRM

Digital rights management systems identify, track, authorize and restrict access to digital media. You will learn how DRM systems help to protect and enforce copyrights, patents, trademarks, and other forms of intellectual property. Discover how to uniquely identify digital media and how to monitor and track the usage of digital media.

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