A digital signature serves three main purposes. The two most common levels of encryption are 40 bit and 128 bit and they have both been implemented commercially on popular browsers like Microsoft Internet Explorer and Netscape Navigator . A firewall is a combination of industrial strength computer hardware and software that securely separates the Internet from internal web servers and computer systems. Firewalls prevent certain types of Internet traffic to its web servers as well as any unauthorized access. KEY A value which must be fed into the algorithm used to decode an encrypted message in order to reproduce the original plain text.
Symmetric encryption uses a symmetric key.
The public key can be widely available and it is the key used to encrypt the data. The private key must remain private to the issuer of the public key, or a trusted third party, for it is the key used to decrypt the data. SET combines SSL technology with the added security of digital certificates to assist in authenticating parties involved in financial transactions. The SET protocol will provide a universal accepted standard for ensuring secure electronic credit card payments. For more information on Royal Bank Financial Group's involvement with SET please click here .