Netzwerke für den Zahlungsverkehr at TU München

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Exemplary flashcards for Netzwerke für den Zahlungsverkehr at the TU München on StudySmarter:

Name usages of the Public Key Infrastructure.

Exemplary flashcards for Netzwerke für den Zahlungsverkehr at the TU München on StudySmarter:

What is a Public Key Infrastucture?

Exemplary flashcards for Netzwerke für den Zahlungsverkehr at the TU München on StudySmarter:

Name the three authorities of the Public Key Infrastructure! Describe their function!
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Exemplary flashcards for Netzwerke für den Zahlungsverkehr at the TU München on StudySmarter:

What are biometrics?

Exemplary flashcards for Netzwerke für den Zahlungsverkehr at the TU München on StudySmarter:

What are the types of biometrics?

Exemplary flashcards for Netzwerke für den Zahlungsverkehr at the TU München on StudySmarter:

Name and describe the two phases of biometric authentication!

Exemplary flashcards for Netzwerke für den Zahlungsverkehr at the TU München on StudySmarter:

Name three biometrics use cases!
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Exemplary flashcards for Netzwerke für den Zahlungsverkehr at the TU München on StudySmarter:

What is the Trusted Execution Environment?

Exemplary flashcards for Netzwerke für den Zahlungsverkehr at the TU München on StudySmarter:

Name an example for a processor that runs in the Trusted Execution Environment!

Exemplary flashcards for Netzwerke für den Zahlungsverkehr at the TU München on StudySmarter:

What is a Mobile Wallet?

Exemplary flashcards for Netzwerke für den Zahlungsverkehr at the TU München on StudySmarter:

What secures mobile payment?
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What are four types of attacks?

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Exemplary flashcards for Netzwerke für den Zahlungsverkehr at the TU München on StudySmarter:

Netzwerke für den Zahlungsverkehr

Name usages of the Public Key Infrastructure.
  • Encryption and sender authentication of e-mails
  • Communicating on insecure public networks
  • Electronic Signatures

Netzwerke für den Zahlungsverkehr

What is a Public Key Infrastucture?
A public key infrastructure (PKI) is a set of roles, policies, hardware, software and procedures needed to create, manage, distribute, use, store and revoke digital certificates and manage public-key encryption.

Netzwerke für den Zahlungsverkehr

Name the three authorities of the Public Key Infrastructure! Describe their function!
  • Certificate Authority (CA):
    • acts as a root of trust
    • provides services that authenticate the identity of the individual
  • Registration Authority (RA):
    • handles registrations
  • Validation Authority (VA):
    • provides information on behalf of the CA

Netzwerke für den Zahlungsverkehr

What are biometrics?
Biometrics is the technical term for body measurements and calculations. It refers to metrics related to human characteristics.

Netzwerke für den Zahlungsverkehr

What are the types of biometrics?
physiological: fingerprint, face, iris, DNA
behavioral: keystroke (Tastenanschlag), signature, voice

Netzwerke für den Zahlungsverkehr

Name and describe the two phases of biometric authentication!
  • Enrollment phase:
    • record several samples (images)
    • calculate characteristics
    • store characeristics in database/token
  • Verification/identification phase:
    • verification (check if s.o. is the one he claims): 1:1
    • identification (detect who someone is): 1:n
    • calculate characteristics
    • match characteristics with database/token

Netzwerke für den Zahlungsverkehr

Name three biometrics use cases!
  • fast registration for online/offline services
  • faster border control
  • surveillance of the public

Netzwerke für den Zahlungsverkehr

What is the Trusted Execution Environment?
  • Provides a safe and trustworthy execution environment for applications.
  • Applications have to be unlocked to run in the TEE.
  • Splits the processor into secure and normal world.

Netzwerke für den Zahlungsverkehr

Name an example for a processor that runs in the Trusted Execution Environment!
ARM Trusted Core

Netzwerke für den Zahlungsverkehr

What is a Mobile Wallet?
  • app on mobile devices for cashless payment

  • deposition of payment cards or pre-paid credit

  • thus it can replace or complement commonly used payment methods

  • there are shop-specific apps and mobile-payment-providers

Netzwerke für den Zahlungsverkehr

What secures mobile payment?
The Secure Element (SE) that is embedded into the SIM, the SD-card or the phone

Netzwerke für den Zahlungsverkehr

What are four types of attacks?
  • Breach of confidentiality (Theft of private confidential data, e.g. credit card information)
  • Breach of Integrity (Unauthorized modification of data, e.g. source code)
  • Theft of Services (Unauthorized use of resources, e.g. theft of CPU cycles)
  • Denial of Service (DoS: attacker makes a machine/network resource unavailable to its intended users by disrupting services of a host connected to the internet)

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