What is the use of digital signature and digital certificate in E-commerce?

What is a digital signature?

Digital Signature is a mechanism for providing an extremely high level of trust that a signed data file is authentic, and tamper-free, typically using PKA. It is believed to be highly resistant to forgery, unlike written, physical signatures. Users need to have a Digital Certificate (with a public key) issued by the Valid Certifying Authority like Verisign,Thwate etc. Once the user gets the Digital Certificate (and corresponding secret key) then he will have to get the Digital Signature software which will use the details from the Digital Certificate to insert digital signature on the electronic documents(WORD, EXCEL, PDF etc). Digital signature provides Authentication, Data Integrity, and non-Repudiation to the documents, contents and transactions. It may also be used to support confidentiality (encryption, scrambling), primarily by exchange of symmetric keys used to encrypt and decrypt the data of interest.

How do you verify a cab file is trusted?

To verify that a CAB file is trusted, you can check its digital signature. Right-click the CAB file, select "Properties," and navigate to the "Digital Signatures" tab to view the signer’s certificate. Ensure that the certificate is from a reputable source and has not expired or been revoked. Additionally, you can use tools like Windows' Signtool or third-party software to validate the signature and confirm the integrity of the file.

Why do companies use digital certificate on their websites?

A digital certificate confirms the information has come from the source it's claimed to be, and that the site is encrypted for transactions to be exchanged.

Also called a digital ID or digital signature is a code assigned?

Digital Id or CertificatesAnother form of a digital signature uses cryptographic methods is a digital ID or certificate, also known as a digital certificate is a form of electronic credentials for the Internet. Digital certificate is issued by a trusted third party, like Verisign or Thawte. Digital IDs can be used for email encryption and email signing and authentication to online services.Code Signing, through the use of digital signatures, enables software developers to include information about themselves and their code with their software. End users who download digitally signed 32-bit or 64-bit Portable Executable (.exe, .ocx, .dll or other) or .cab files can be confident that code really comes from publisher who signed it and has not been altered or corrupted since it was created and signed.

What are root keys in association with digital certificates?

Digital certificates are verified through the use of another certificate, creating a chain of certificates that ends with the root certificate The issuer of a certificate is called a certification authority (CA). The owner of the root certificate is the root certification authority.

If a document asks for an electronic signature how do you sign it?

An electronic signatures is a term with a lot of different meanings without any set standards to be used on the internet. The definition of electronic signature is a broad, technology-neutral term that refers to the universe of all of the various methods by which one can "sign" an electronic record.When you are filling out information on a web page for online job applications the electronic signature can be in various forms, like clicking the 'Accept' button on the digital signature screen, or an "I agree" button in a click-thru agreementExamples of online job applications for digital signatures:On the final step you will be required to enter a digital signature which will be binding as your actual signature. Your electronic signature below indicates your agreement with the following statementsBy typing my name in the following box I certify the above statements to be true and correct, to the best of my knowledge, and that this information can be used for the purpose of processing my employment application and informationSo it's not having to get an "electronic signature" as it is entered online according to the method is chosen by the company accepting online applicationsAlso each country has adopted their own laws regarding use of electronic signatures.In the United States, under Uniform Electronic Transactions Act ("UETA") which defines what qualifies as an "Electronic signature" means an electronic sound, symbol, or process attached to or logically associated with a record and executed or adopted by a person with the intent to sign the record.Digital Id or CertificatesAnother form of a digital signature uses cryptographic methods is a digital ID or certificate, also known as a digital certificate is a form of electronic credentials for the Internet. Digital certificate is issued by a trusted third party, like Verisign or Thawte. Digital IDs can be used for email encryption and email signing and authentication to online services.

What is a DSC and how does it work?

A DSC, or Digital Signature Certificate, is a digital equivalent of a physical signature. It is used to authenticate the identity of the sender of an electronic document. DSCs work by using encryption technology to create a unique digital signature that can be verified by the recipient to ensure the authenticity and integrity of the document.

Give a plain definition of e-signature and digital signature?

A electronic signature is an electronic form attached to a digital document to verify the signer's intent to sign. There are various electronic signature vendors in North America and across the world.A digital signature is an electronic signature with highly secure encryption which ensures document integrity and nonrepudiation.I use Signority (www.signority.com) secure electronic signature service. It is very easy and convenient. They also provide various authentication methods to ensure the highest level of security and confidentiality. Really love it!

How do you place a signature online?

To place a signature online, you can use a digital signature tool or software, such as Adobe Sign or DocuSign. Typically, you upload your document, select the area where you want to sign, and either draw your signature using a mouse or touchscreen or upload an image of your handwritten signature. After positioning your signature, you can finalize and save the document for sharing or further use.

How does embedding a public key in a digital certificate protect it from impersonators?

Embedding the public key in a digital certificate protects it from impersonators by associating and binding a user's identity to the public key. A digital certificate is the user's public key that has been "digitally signed" by a trustworthy source trusted to sign it. And, instead of "trustworthy" you could use the word: reputable.

Can a judge use a digital signature on a judgment?

Yes, a judge can use a digital signature on a judgment, provided that the jurisdiction recognizes digital signatures as legally valid. Many courts have adopted electronic filing systems that allow for digital signatures to streamline processes. However, the specific rules and regulations regarding digital signatures may vary by state or country, so it's important to consult local laws to ensure compliance.

How do you fill out the signature on a school certificate?

To fill out the signature on a school certificate, first ensure you have the appropriate authority to sign it, typically as a school official, teacher, or administrator. Use a pen with blue or black ink to provide a clear and professional appearance. Sign your name in the designated signature area, ensuring it is legible and neatly written. If required, include your title and date below your signature for added formality.