APC Battery Management System manual 125

Battery Management System

USER’S GUIDE

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consequently a higher level of security than the public key used in Method 1 (This longer encryption key is also used in Method 2.)

–The server certificate that you upload to the Management Card enables SSL to authenticate that data are being received from and sent to the correct Management Card. This provides an extra level of security beyond the encryption of the user name, password, and transmitted data.

–The browser matches the digital signature on the server certificate that you uploaded to the Management Card with the signature on the CA root certificate that is already in the browser’s certificate cache to provide additional protection from unauthorized access.

•Disadvantages:

–Setup requires the extra step of requesting a signed root certificate from a Certificate Authority.

–An external Certificate Authority may charge a fee for providing signed certificates.

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