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Trusted Mail Gateway

ABSTRACT
TRUSTED MAIL GATEWAY
AYLA, Erkut Sinan
M.S., Department of Computer Engineering
Supervisor: Dr. Attila &Ouml / zgit
December 2004, 135 pages

The study aims to make contribution to solve mail security problems. The
Trusted Mail Gateway provides a domain with the basic security services
that are message integrity, confidentiality, non&amp / #8208 / repudiation, origin
authentication and availability while message (e&amp / #8208 / mail) being delivered
through the Internet. It generates S/MIME digital signatures and performs
S/MIME encryption on behalf of the domain using secret key
cryptography and public&amp / #8208 / key techniques and generating Cryptographic
Message Syntax (CMS) data to provide origin authenticity, integrity and
v
confidentiality. It applies anti&amp / #8208 / virus control and protection, spam filtering
and content check to both incoming mails to the domain and outgoing
mails from the domain to prevent attacks against availability. Also, the
Trusted Mail Gateway provides intra&amp / #8208 / domain security. It keeps e&amp / #8208 / mail
messages in corresponding mailboxes as encrypted messages. Trusted
Mail Gateway processes all the mails passing through and records
processing results in database as notary information. Moreover, it
establishes trust relations with other trusted domains and exchanges
notary information with them via a secure channel.

Keywords: S/MIME, security services, mail protocols, domain, notary

Identiferoai:union.ndltd.org:METU/oai:etd.lib.metu.edu.tr:http://etd.lib.metu.edu.tr/upload/12605753/index.pdf
Date01 January 2005
CreatorsAyla, Erkut Sinan
ContributorsOzgit, Attila
PublisherMETU
Source SetsMiddle East Technical Univ.
LanguageEnglish
Detected LanguageEnglish
TypeM.S. Thesis
Formattext/pdf
RightsTo liberate the content for public access

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