Human Authentication How do you prove to someone that you are who you claim to be? -Any system with access control must solve this problem Mechanisms: -Something the user is e.g.,fingerprint or retinal pattern,DNA sequence,unique bio-electric signals produced by the living body,or other biometric identifier ●IP address -Something the user has e.g.,ID card,security token,software token or cell phone -Something the user knows e.g.,a password,a pass phrase or a personal identification number(PIN) -Something the user does e.g.,voice recognition,signature,or gait CSE825 22 Human Authentication  How do you prove to someone that you are who you claim to be? ─ Any system with access control must solve this problem  Mechanisms: ─ Something the user is ● e.g., fingerprint or retinal pattern, DNA sequence, unique bio-electric signals produced by the living body, or other biometric identifier ● IP address ─ Something the user has ● e.g., ID card, security token, software token or cell phone ─ Something the user knows ● e.g., a password, a pass phrase or a personal identification number (PIN) ─ Something the user does ● e.g., voice recognition, signature, or gait CSE825