LECTURE – VLECTURE – Ve-COMMERCEe-COMMERCE

İstanbul Commerce University Vocational Schoolİstanbul Commerce University Vocational School

Legal Aspects of eDocuments Legal Aspects of eDocuments Legal basis of e-Documents depens Legal basis of e-Documents depens

upon eSignature Law No 5070 in upon eSignature Law No 5070 in TurkeyTurkey. .

In U.S. and EU eSignature laws were In U.S. and EU eSignature laws were accepted.accepted.

But there are many countries that do But there are many countries that do not have any eSignature law.not have any eSignature law.

eSignature Law No 5070 was eSignature Law No 5070 was accepted onaccepted on Jan 23, Jan 23, 20042004 . .

CeCerrtificate Authorittificate Authorities in Turkey ies in Turkey (ESHS) (ESHS)

http://www.turktrust.com.trhttp://www.turktrust.com.tr

http://www.e-tugra.com.trhttp://www.e-tugra.com.tr

http://www.e-guven.com http://www.e-guven.com

CA CA AA certificate authority or certification certificate authority or certification

authority (CA) is an entity that issues authority (CA) is an entity that issues digital certificates for use by other digital certificates for use by other partiesparties as as trusted third party. trusted third party.

Electronic SignatureElectronic Signature EElectronic lectronic SSignature ignature or Digital or Digital

Signature iSignature is an electronic process s an electronic process logically associated with logically associated with an an electronicelectronic record by a person with record by a person with the intent to sign the record.the intent to sign the record.

Paper-based signing process Paper-based signing process versus versus

e-Signaturee-Signature

AuthenticityAuthenticity Digital signatures authenticate the Digital signatures authenticate the

source of messages. source of messages. AA valid valid signature shows that the message signature shows that the message was sent by was sent by aa user. user.

AAuthentic means that you know who uthentic means that you know who createdcreated and signed and signed the document the document..

AuthorizationAuthorization Authorization is the function of Authorization is the function of

specifying rightsspecifying rights, responsibility and , responsibility and competence of the user who sent a competence of the user who sent a e-document.e-document.

IntegrityIntegrity Prevent the orginal message from Prevent the orginal message from

any alteration. Only sender can be any alteration. Only sender can be change content of orginal document. change content of orginal document.

HashingHashing

The process whereby The process whereby e-document e-document was input to a cryptographic hash was input to a cryptographic hash function to produce a function to produce a mixed content. mixed content.

Time StampTime Stamp A timestamp denotA timestamp denoteses the date and the date and

time at which a certain time at which a certain e-Document e-Document signedsigned. .

Preventing from retrospective Preventing from retrospective issuance of a document by dating issuance of a document by dating back. back.

Public key infrastructurePublic key infrastructure Public Key Infrastructure isPublic Key Infrastructure is an an

encryption system used by encryption system used by Certificate Authorities to issue digital Certificate Authorities to issue digital certificates. certificates.

Biometrics Biometrics Biometrics comprises methods for Biometrics comprises methods for

uniquely recognizing humans based uniquely recognizing humans based upon one or more intrinsic physical upon one or more intrinsic physical or behavioral traits. In computer or behavioral traits. In computer science, in particular, biometrics is science, in particular, biometrics is used as a form of identity access used as a form of identity access management and access control.management and access control.

Mobile SignatureMobile Signature

eUCPeUCP Electronic documents in the future commercial Electronic documents in the future commercial

life will be very active according to the vision of life will be very active according to the vision of ICC - International Chamber of Commerce at the ICC - International Chamber of Commerce at the beginning of 2000. In this year a working group beginning of 2000. In this year a working group was formed for the electronic submission of was formed for the electronic submission of documents under the letter of credits. As a result documents under the letter of credits. As a result eUCP (Supplement to UCP 600 for Electronic eUCP (Supplement to UCP 600 for Electronic Presentation) brochure went into effect as of 1 Presentation) brochure went into effect as of 1 April 2002.April 2002.