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| This article is valid from Nexus Personal Mobile 3.7. |
This article provides a comparison between the OATH-based one-time password (OTP) mobile
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apps Smart ID Mobile App, Google Authenticator, and Microsoft Authenticator.
| Features | Smart ID Mobile App | Google Authenticator | Microsoft Authenticator | |
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| OATH-compliant | ||||
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| Time-based one-time password (TOTP) | |
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| Event-based one-time password (HOTP) | |
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| Supported by Smart ID Digital Access component | |
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| Fingerprint authentication on iOS and Android | |
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| Face recognition on iOS | |
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| Supported algorithms | ||||
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| SHA1 | ||||
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| SHA256 | on iOS |
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| SHA512 | on iOS |
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OTP types
OATH allows generating an OTP based on a shared secret. There are two types of OTPs:
- time-based OTP (TOTP): A TOTP is renewed after a fix amount of time, for example 30 seconds.
- event-based OTP (HOTP): An HOTP is valid per authentication. After authentication a new OTP is generated.
Nexus authentication platform
Nexus authentication platform Smart ID Digital Access component
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supports OTP token authentication based on OATH – for hardware and software tokens – as well as self-registration for OATH-compliant mobile applications.
This article is valid from Nexus Personal Mobile 3.7.
Related information
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- Smart ID Digital Access component
- Set up an OATH-compliant mobile/desktop app as authentication method