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A
Certificate is a digitally signed message that contains a Subscriber's
public key and associates it with information authenticated by MTNL TRUST LINE
or an MTNL TRUST LINE RA. MTNL TRUST LINE under this Agreement offers three
distinct classes ("Classes") of Certificates, Classes 1, 2, and 3. Each
class, of Certificates provides specific functionality and security features
and corresponds to a specific level of trust. You are responsible for
choosing which Class of Certificate You need. The following subsections
state the appropriate uses and authentication procedures for each Class of
Certificate. For more detailed information about MTNL TRUST LINE's digital
certificates, please see the MTNL TRUST LINE Certification Practice Statement
Class 2 Certificates are issued to Individuals, and Devices.
Class 2 validation procedures are based on the assurance that subscriber’s
Distinguished Name (DN) is unique and unambiguous within MTNL TRUST LINE
Repository and that the identity of the Subscriber based on information
provided by the Subscriber in the Certificate Application does not conflict
with the information in a MTNL TRUST LINE approved and well recognized
business or consumer database's) (Validating Database).
Class 2 Individual Certificates are appropriate for Digital Signatures,
encryption, and electronic access control in transactions where proof of
identity based on information in the Validating Database is sufficient.
Class 2 Device Certificates are appropriate for device authentication;
message, software, and content integrity; and confidentiality encryption.
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