Digital Certificates - Reading Assignment

[Jamie_Frame]

What is a digital certificate?
A digital certificate uses a public key used to cryptographically certify the true ownership.

What is the difference between a digital certificate and a public key?
A digital certificate is includes the public key as well as other information about the user.

What is the most common use case for digital certificates?
They are usually used to create secure connections between clients and servers.

What is a certificate authority?
A trusted authority that creates digital certificates.

[DreamtGalactic]

1. A digital certificate (or public key certificate) is a way of sharing a public key, along with identifying information of the individual who owns that public key, and information about the initial issuer of the public key.

2. The certificate is simply a way of enabling an individual to be able to share their public key, whereas the public key itself is the instrument used to encrypt transactions and actions taken through its use.

3. The most common use cases of digital certificates include providing “assurance that published content has not been modified by any unauthorized actors, and to share keys for encrypting and decrypting web content.”

4. A certificate authority (CA) is considered to be a “trusted third party (or parties) in the context of a PKI.”

[JustMichael]

1. What is a digital certificate?
   A.K.A. public key certificate, used for the sharing public keys that are used for encryption and authentication
2. What is the difference between a digital certificate and a public key?
   Public key is just a key. Digital certificates include the public key being certified, identifying information about the entity that owns the public key, metadata relating to the digital certificate and a digital signature of the public key created by the issuer of the certificate.
3. What is the most common use case for digital certificates?
   I nitializing secure SSL connections between web browsers and web servers
4. What is a certificate authority?
   A third party trusted to issue digital certificates

[Neeraj_Nerlekar]

1. A digital certificate, also known as a public key certificate, is used to cryptographically link ownership of a public key with the entity that owns it. Digital certificates are for sharing public keys to be used for encryption and authentication.
2. Public key cryptography depends on key pairs: one a private key to be held by the owner and used for signing and decrypting. One public key that can be used for encrypting data is sent to the public key owner or authentication of the certificate holder’s signed data. Whereas, the digital certificate enables entities to share their public key in a way that can be authenticated.
3. Digital certificates are used in public-key cryptography functions; they are most commonly used for initializing secure SSL connections between web browsers and web servers. Digital certificates are also used for sharing keys to be used for public-key encryption and authentication of digital signatures.
4. The vast majority of digital certificates are issued by a certificate authority (CA). CAs are considered trusted third parties in the context of a PKI; using a trusted third party to issue digital certificates enables individuals to extend their trust in the CA to the trustworthiness of the digital certificates that it issues.

[cryptopunk]

1. that is kind of an electronic access system, that allows to exchange data securely
2. a digital certificate is more comprehensive than a public key. the latter can be part of a digital certificate, which also contains identifying info about the owner of this key, as well as metadata and a digital signature. therefore it can be used for encryption as well as authentication
   3)most commonly use for the secure data-exchange between web-browsers and web-servers. but also commen for encryption and authentification
   4)certificate authority is a trusted party that can issue digital certifcates. mostly it is a third party, but does not mandantory have to be so.

[aryakrishna]

1. digital certificate is a tool in hyperledger blockchain to cryptographically link ownership of a public key with an entity that owns it.
2. Digital certificate have a wider function than public key, such as initializing secure SSL between web browser and web servers, for providing cryptographic assurance and privacy of data.
3. enabling to share their public key in a way that can be authenticated.
4. CA is part of the Public Key Infrastructure as the third party to issue digital certificate enables to extend the trustworthiness of an individuals.

[Peter_C]

1. A certificate that cryptographically links ownership of a public key and the entity that owns it
2. A public key is the second half of a key pair which includes a Private key. The public key has a mathematical link to the private key which can be verified. A digital certificate is a document used to prove ownership of a public key. Essentially a public key in certificate form.
3. Website SSL verification
4. An organization considered to be a trusted third party like LetsEncrypt

[SatoshiOkoto]

• What is a digital certificate?
  A digital or public key certificate is used to cryptographically link ownership of a public key with the entity that owns it .
• What is the difference between a digital certificate and a public key?
  Public key cryptography enables a number of different functions, including both encryption and authentication. A digital signature is another one of those functions enabled by public key cryptography.
• What is the most common use case for digital certificates?
  Validating the authenticity of the digital asset.
• What is a certificate authority?
  A trusted third party in charge of the digital certificates.

[SGB]

What is a digital certificate?
A digital certificate is used to publish a public key along with verifiable information about who the key belongs to

What is the difference between a digital certificate and a public key?
A certificate includes meta data related to, and including a public key

What is the most common use case for digital certificates?
Webservers use digital certificates to allow traffic to be encrypted with web browsers. Additionally allowing the domain used to be verified as the company it purports to be.

What is a certificate authority?
A CA is a trusted third party that issues and manages digital certificates.

[pepemadrid]

1. A digital certificate is used to cryptographically link ownership of a public key with the entity that owns it. Digital certificates are for sharing public keys to be used for encryption.
2. Digital certificates include the public key. But they include mor information.
3. Digital certificates are used in public key cryptography functions; they are most commonly used for initializing secure connections between web browsers and web servers. Digital certificates are also used for sharing keys to be used for public key encryption and authentication of digital signatures.
   4.They are trusted third parties in the context of a public key infrastructure; using a trusted third party to issue digital certificates enables individuals to extend their trust in the CA to the trustworthiness of the digital certificates that it issues.

[jopo]

1. It is a link between a public key and it’s owner.

2. The certificate verifies the ownership of a public key.

3. They are used for initializing secure SSL connections between web browsers and web servers.

4. A trusted party that issues certificates.

[Calle_Jansson]

1. A digital certificate is is a used as a way to cryptographically link ownership of a unique public key to the entity that owns that key.

2. A digital certificate is much broader than a public key in which it contains more information. It contains the public key being certified, the information about the entity that owns that public key, and the digital signature of the public key created by the issuer.

3. Digital certificates are used by all major web browsers and web servers to provide assurance that published content has not been modified by any unauthorized actors, and to share keys for encrypting and decrypting web content.

4. CAs are considered trusted third parties in the context of a PKI; using a trusted third party to issue digital certificates enables individuals to extend their trust in the CA to the trustworthiness of the digital certificates that it issues.

[Fabiana]

1. What is a digital certificate?
   A digital certificate, also known as public key certificate, is used to cryptographically link ownership of a public key with the entity that owns it. Digital certificates are used for sharing public keys used for encryption and authentication.

2. What is the difference between a digital certificate and a public key?
   A public key depends on key pairs: one private key held by the owner used for signing and decrypting and, one public key used for encryption of data sent to the public key owner or authentication of the certificate holder’s signed data.

3. What is the most common use case for digital certificates?
   Digital certificates are used for initialising secure SSL connections between web browser and web servers.

4. What is a certificate authority?
   Certificate Authorities (CAs) are considered trusted third parties in the context of Public Key Infrastructure (PKI); using a trusted third party to issue digital certificates enables individuals to extend their trust in the CA.

[jdbarrancs]

1. A digital certificate is used to cryptographically link ownership of a public key with the entity that owns it.

2. A public key cryptography depends on key pairs, a private key that is held by the owner and used for signing and decrypting, and a public key that can be used for encryption of data sent to the public key owner or authentication of the certificate holder’s signed data. Digital certificates contain all this, but have more functionality.

3. Digital certificates are most commonly used for initializing secure SSL connections between web browser and web servers.

4. Certificate authorities are considered trusted third parties that issue digital certificates.

[Glenn_CostaRica]

Glenn_CostaRica

1. What is a digital certificate?
A digital certificate is a cryptographically protected proof of ownership and identifier of a public key: it establishes the connection between a public key and its owner. It is also called public key certificate. It is used in authentications.

2. What is the difference between a digital certificate and a public key?
A public key is just a string of characters representing a long number with letters and numbers. It is just an identifier very much like the account number of a common bank account. A public key does not resume information about its owner like identity. A digital certificate does include identifying information about the owner of a public key or the entity it corresponds to, as well as other data related to the owner, metadata related to digital signatures and the certificate itself, and any other information that the creators of the network had programmed it to store.

3. What is the most common use case for digital certificates?
Digital Signatures are widely used to initialize SSL connections between web browsers and distant servers.

4. What is a certificate authority?
The certificate authority is the mighty user that has the power to operate as the third party that issues digital certificates in Hyperledger.

[NorthernFiend]

What is a digital certificate?
A wraparound template for the public key which also contains ID and metadata information

What is the difference between a digital certificate and a public key?
Public Key is part of cryptographic id process with Private Key, Digital Certificate is a formal method of distributing the public key

What is the most common use case for digital certificates?
Browsers and servers determining identity for web transactions

What is a certificate authority?
A third party trusted to issue certificates

[CryptoDev]

1. A digital certificate is a cryptographic “password” used for an organisation to have secure data exchange.

2.Holders of digital certificates need there identity verified by a third party and is used only to verify data integrity where as public key cryptography uses a private and public key pair that can be used to verify identity and encrypt data.

3.To secure the exchange of data i.e when a user interacts with a there banking website the data they send and receive is secured with the digital certificate.

4. A Trusted third party provider of digital certificates who can verify digital certificates.

[travis_bazile]

1. A digital certificate, also known as a public key certificate, is used to cryptographically link ownership of a public key with the entity that owns it.
2. Digital certificates are for sharing public keys to be used for encryption and authentication. The digital certification helps with assessing & identifying the information belonging to the pub key.
3. Digital certificates are used by all major web browsers and web servers to provide assurance that published content has not been modified by any unauthorized actors, and to share keys for encrypting and decrypting web content.
4. Certificate authority are 3rd party digital certified enablers on the hyperledger network

[Crypto-Dylan]

1. What is a digital certificate?
   Digital certificates are for sharing public keys to be used for encryption and authentication.
   It is also known as a public key certification

2. What is the difference between a digital certificate and a public key?
   Digital certificate are for sharing public keys to be used for encryption and authentication. Digital certificates include the public key being certified, identifying information about the entity that owns the public key, metadata relating to the digital certificate and a [digital signature of the public key created by the issuer of the certificate.Public key cryptography depends on key pairs: one to be held by the owner and used for signing and decrypting, and one a public key that can be used for encryption of data sent to the public key owner or authentication of the certificate holder’s signed data.

3. What is the most common use case for digital certificates?
   Commonly used for initializing secure SSL connections between web browsers and web servers.

4. What is a certificate authority?
   The vast majority of digital certificates are issued by a certificate authority (CA). CAs are considered trusted third parties.

[Cathy]

1. What is a digital certificate?
   It is a public key certificate used to cryptographically link ownership of a public key with the entity that owns it. They are for sharing public keys used for encryption and authentication.

2. What is the difference between a digital certificate and a public key? The public key can be used for the encryption of the data sent to the public key owner or authentication of the certificate holder’s signed data. The digital certificate shares public keys.

3. What is the most common use case for digital certificates?
   They are used for public key cryptography functions most commonly used for initializing secure SSL connections between web browsers and web servers.

4. What is a certificate authority?
   A trusted third party that issues digital certificates.