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8/2/2019 Information Technology Acts
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Digital Signature
Information Technology Acts
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Enacted on 17th May 2000- India is 12thnation in the world to adopt cyber laws
IT Act is based on Model law on e-commerce
adopted by UNCITRAL
Information Technology Acts -2000
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To provide legal recognition for transactions:-
Carried out by means of electronic datainterchange, and other means of electroniccommunication, commonly referred to as"electronic commerce
To facilitate electronic filing of documents withGovernment agencies and E-Payment amend theIndian Penal Code, Indian Evidence Act,1872, theBankers Books Evidence Act 1891,Reserve Bank
Objectives of IT Act
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Authenticates who created a document
Adds formality and finality
Deeds and wills
Contracts over $500 or for more than year
(Statute of Frauds) Timesheets and reports
Homework
Why Signatures?
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Not simply a typed name or image of ahandwritten signature
Based on public-key encryption
Associated with a digital document
Digital Signatures
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Not simply a typed name or image of ahandwritten signature
Based on public-key encryption
Associated with a digital document
Sections 3 definesDigital Signature
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Digitally signing a document
Indicate extent of signed document
Compute checksum of signed document
Encrypt checksum, time and date, and otherinformation using private key
Attach digital signature to end of document
Optionally, encrypt signed document with
receivers public key
Digitally Signing a document
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Decrypt signed document, if necessary,usingprivate key Decrypt digital signature usingpublic key
Verify checksum for documentDisplay the time and date of the document
Verification a Document
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Where a rule of law requires a signature, or
provides for certain consequences in theabsence of a signature, that
rule is satisfied by a digital signature, if:
(1) that digital signature is verified by referenceto the public key listed by a licensedcertification authority;
Effect of Digital Signature
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Passed by Utah legislature in 1995
Revised in 1996
Implementing regulations now been writtenInitial infrastructure providers have been
selected First state applications to beelectronic
filing of court documents and UCC1 forms
Status Of Act
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State actions
Smart cards Electronic notary sealsSignature surrogates
Private sector actions
Cybernotaries Electronic checks
Anonymous, verified transactions
Future Developments
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Presented By:
Meghna Sharma
IT(Sec-A)
Thank You!
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