| Term Smart phones give the owner of the device the ability to download security updates. Definition False | Term What process links several certificates together to establish trust between all the certificates involved? Definition certificate chaining |
|---|
What kind of digital certificate is typically used to ensure the authenticity of Web server to a client?
Another common use of digital certificates is to confirm the authenticity of a website to a web browser, which is also known as a secure sockets layer or SSL certificate .
What common method is used to ensure the security and integrity of a root CA group of answer choices?
What common method is used to ensure the security and integrity of a root CA? Keep it in an offline state from the network.
How does PKI used for email encryption?
PKI encryption algorithms are designed such that a public key is used to encrypt or “lock” a message, and only the complementary private key can “unlock” that message. ... They will then exchange their trusted public keys by sending each other digitally signed e-mail messages.
What are the three areas of protection provided by IPsec?
Three security services that can be provided by IPSec are: message confidentiality, message integrity and traffic analysis protection .
Why is IPsec considered to be a transparent security protocol quizlet?
Why is IPsec considered to be a transparent security protocol? IPsec is designed to not require modifications of programs, or additional training, or additional client setup . ... What kind of digital certificate is typically used to ensure the authenticity of a web server to a client?
How is a digital certificate created?
When a web application requires digital certificates, an administrator typically creates digital certificates for each authorized user . The administrator digitally signs each certificate using the system CA certificate. These certificates, along with the public and private keys, are distributed to users.
How are digital certificates used?
A Digital Certificate is used to encrypt online data/information communications between an end-users browser and a website . After verifying that a company owns a website, certificate authority will sign their certificate so it is trusted by internet browsers.
What is digital certificates explain the creation and validation of the certificates?
5.3.
Digital certificate is an electronic file which can be used to verify the identity of a party on the Internet . ... Digital certificate is similar to the passport case. It is issued by an organization called a certificate authority (CA).
What common method is used to ensure the security and integrity of a root CA quizlet?
What common method is used to ensure the security and integrity of a root CA? Keep it in an offline state from the network . What is a value that can be used to ensure that plaintext, when hashed, will not consistently result in the same digest?
What protocol supports two encryption modes transport and tunnel?
In order to authenticate data packets and guarantee their integrity, IPsec includes two protocols. These are the AH (Authentication Header) protocol and the ESP (Encapsulating Security Payload) protocol. Both protocols, in turn, support two encapsulation modes—tunnel mode and transport mode.
How do PKI certificates work?
PKI performs encryption directly through the keys that it generates. It works by using two different cryptographic keys: a public key and a private key . Whether these keys are public or private, they encrypt and decrypt secure data.
What protocol uses SSL or TLS to secure communications between a browser and a Web server?
In HTTPS , the communication protocol is encrypted using Transport Layer Security (TLS) or, formerly, Secure Sockets Layer (SSL). The protocol is therefore also referred to as HTTP over TLS, or HTTP over SSL.
How can a company obtain a trusted certificate for their website?
Submit the Certificate Signing Request
Once the certificate signing request has been created, you must submit it to a certificate authority for certification. You can obtain an SSL certificate from a commercial or public certificate authority or from an internal CA server if your organization uses one.
What is a certificate PKI?
A PKI certificate is a trusted digital identity . It is used to identify users, servers or things when communicating over untrusted networks, to sign code or documents and to encrypt data or communication. A PKI certificate is also called a digital certificate.
How IPsec works step by step?
- Step 1—Determine Interesting Traffic. Data communications covers a wide gamut of topics, sensitivity, and security requirements. ...
- Step 2—IKE Phase One. ...
- Step 3—IKE Phase Two. ...
- Step 4—IPSec Data Transfer. ...
- Step 5—Session Termination.
How does IPsec provide authentication?
IPsec protocols
IPsec authenticates and encrypts data packets sent over both IPv4- and IPv6-based networks . IPsec protocol headers are found in the IP header of a packet and define how the data in a packet is handled, including its routing and delivery across a network.
Which class of certificate is used in a sensitive and secured connection between a client and a Web server?
Browser connects to a web server (website) secured with SSL (https) . Browser requests that the server identify itself. Server sends a copy of its SSL Certificate, including the server’s public key.
In which two ways does IPsec protect communications?
IPsec uses cryptographic security services to protect communications over Internet Protocol (IP) networks. It supports network-level peer authentication, data origin authentication, data integrity, data confidentiality (encryption), and replay protection .
Why is IPSec considered to be a transparent?
Traffic within a company or workgroup does not incur the overhead of security-related processing. IPSec is below the transport layer (TCP, UDP) , and is thus transparent to applications.
What term describes a layered security approach that provides the comprehensive protection quizlet?
What term describes a layered security approach that provides the comprehensive protection? defense-in-depth . What type of theft involves stealing another person’s personal information, such as a Social Security number, and then using the information to impersonate the victim, generally for financial gain?
Who creates the digital certificate?
Digital certificates are typically issued by a certificate authority (CA) , which is a trusted third-party entity that issues digital certificates for use by other parties.
What is the process of digital signature?
The process of digital signing requires that the signature generated by both the fixed message and private key can then be authenticated by its accompanied public key . Using these cryptographic algorithms, the user’s signature cannot be replicated without having access to their private key.
Which file is created for requesting a digital certificate?
To acquire a digital certificate, generate a request using Key Manager and submit the request to a CA. The request file you generate is in the PKCS#10 format . The CA then verifies your identity and sends you a digital certificate.
What is a certificate in network security?
A security certificate is a small data file used as an Internet security technique through which the identity, authenticity and reliability of a website or Web application is established . ... A security certificate is also known as a digital certificate and as a Secure Socket Layer (SSL) certificate.
What are the two functions performed by digital certificates?
- Verifying the identity of the sender/receiver of an electronic message.
- Providing the means to encrypt/decrypt messages between sender and receiver (i.e., binding and entity to their public key)
What does a trust model indicate quizlet?
What does a trust model indicate? Where the trust paths reside . Which type of certificate extensions are implemented for every PKI implementation? Standard. Only $35.99/year.
What is the second step to create digital certificate?
- Step-1: Key generation is done by either user or registration authority. ...
- Step-2: In the next step the registration authority registers the user.
What kind of digital certificate is typically used to ensure the authenticity of Web server to a client?
Another common use of digital certificates is to confirm the authenticity of a website to a web browser, which is also known as a secure sockets layer or SSL certificate .
What is digital certificate authentication?
Certificate-based authentication is the use of a Digital Certificate to identify a user, machine, or device before granting access to a resource, network, application, etc . In the case of user authentication, it is often deployed in coordination with traditional methods such as username and password.
What are digital certificates Why do we trust them?
Digital certificates are often compared to signatures; we can trust a document because it has a signature, or certificate authority (CA) by someone we trust . Simply put, digital certificates are a reproduction of a simple model which occurs in the real world.
Confidentiality . Ensures that data is accessed only by authorized users with the proper credentials.
Which layer of the OSI model contains the TCP protocol which is used for establishing connections and reliable data transport between devices?
The transport layer provides a total end-to-end solution for reliable communications. TCP/IP relies on the transport layer to effectively control communications between two hosts. When an IP communication session must begin or end, the transport layer is used to build this connection.
How certificates are used when establishing a SSL TLS HTTPS web session?
How Do SSL/TLS Certificates Work? SSL/TLS certificates work by digitally tying a cryptographic key to a company’s identifying information . This allows them to encrypt data transfers in such a way that they can’t be unscrambled by third parties.
What are TLS protocols?
Transport Layer Security (TLS) is the most widely used protocol for implementing cryptography on the web . TLS uses a combination of cryptographic processes to provide secure communication over a network. ... TLS provides a secure enhancement to the standard TCP/IP sockets protocol used for Internet communications.
How secure is SSL TLS?
The two are tightly linked and TLS is really just the more modern, secure version of SSL . While SSL is still the dominant term on the Internet, most people really mean TLS when they say SSL, because both public versions of SSL are not secure and have long since been deprecated.
Which process described key managed by a trusted third party such as a trusted CA?
A trusted third-party agency that is responsible for issuing digital certificates. ... A publicly accessible centralized directory of digital certificates that can be used to view the status of a digital certificate. CR – certificate repository . A process in which keys are managed by a third party, such as a trusted CA.
What IPsec protects in tunnel mode?
IPsec can be used in tunnel mode or transport mode. Tunnel mode provides confidentiality (ESP) and/or authentication (AH) to the entire original packet , including the original IP headers. New IP headers are added (with the source and destination addresses of the IPsec gateways).
What is IPsec explain the operation of IPsec in transport mode and tunnel mode?
In transport mode, the IP addresses in the outer header are used to determine the IPsec policy that will be applied to the packet . ... In tunnel mode, two IP headers are sent. The inner IP packet determines the IPsec policy that protects its contents.
Which item is used to establish trust for PKI?
Certificate authority.
A trusted party provides the root of trust for all PKI certificates and provides services that can be used to authenticate the identity of individuals, computers and other entities.
The purpose of a PKI is to securely associate a key with an entity . The trusted party signing the document associating the key with the device is called a certificate authority (CA). The certificate authority also has a cryptographic key that it uses for signing these documents. These documents are called certificates.
