Encryption
When accessing Online
Banking, Bank Statements, MasterCard
Statements or ScoreCard Rewards the privacy of communications between you (your
browser) and our servers is ensured via encryption.
Encryption scrambles messages exchanged between your browser
and the online server.
How Encryption Works
- When accessing one of our online services the sign-In
page displayed to your internet browser establishes a
secure session with the server.
- A secure session is established
using a protocol called Secure Sockets
Layer (SSL) encryption. This protocol
requires the exchange of what are called
public and private keys.
- Keys are random numbers chosen for that session
and are only known between your browser
and the server. Once keys are exchanged, your browser
will use the numbers to scramble (encrypt)
the messages sent between your browser
and our server.
- Both sides require the keys because they need
to descramble (decrypt)
messages received. The SSL protocol assures
privacy, but also ensures no other website
can "impersonate" your
financial institution's website, nor
alter information sent.
- To learn whether your browser is in secure
mode, look for the secured
lock symbol at the bottom right of
your browser window.
- Also look out for the secure web server designation
that can be found at the beginning of the browser's address
bar - it should be "https://" rather
than just "http://". The extra "s"
indicates a secure server connection.
Encryption Level
For your protection, our servers require
the browser to connect at 128-bit encryption (versus the
less-secure 40-bit encryption). If your browser is unable
to access the online service in question, this will be because
it does not support at least 128-bit encryption.
To determine if your browser supports 128-bit
encryption
- Click "Help" in the toolbar of your Internet browser
- Click on "About [browser name]"
- A pop-up box or window
will appear.
- For Internet Explorer: next to "Cipher
strength" you should
see "128-bit"
- For Netscape: you should
see "This
version
supports
high-grade
(128-bit)
security
with
RSA
Public
Key
Cryptography"
If your browser does not support 128-bit encryption,
you must upgrade to continue to access the website's secure
pages. Please read below for specific browser information.
Firefox and Safari - Encryption levels
Both browsers recently designated as supported
for use with DI products, Firefox 1.0 and Safari
1.2, use strong 128-bit encryption when accessing
secure sites, to ensure safe and secure transmittal
of private data such as account and payment information.
Firefox and Safari - How end users can
determine which levels of encryption they have
Firefox - In Firefox, this option is not
visible until connected to
a site. Negotiation occurs between the client browser
and the server at run-time. To view the encryption
level being used while connected to a specific secure
site, you can do the following:
- Click to the 'Tools' menu
- Select 'Page Info'
- Click the 'Security' tab
Or: double-click the yellow 'lock'
icon in the lower right corner of the screen while
connected to a secure site.
Safari - The Safari browser displays
a 'lock' icon at the top right
corner of the browser window when you're viewing
a secure (https://) site. This
symbol is absent when viewing an unsecured (http://)
site. Safari can use both 40-bit
and 128-bit "strong" encryption;
the website determines which
level of encryption is used at a given time. Other browsers that support 128-bit encryption also may
work. More information on some common browsers is available
via these links:
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