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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!