https://github.com/haskell-cryptography/one-time-password

Haskell implementation of One-Time Passwords algorithms
https://github.com/haskell-cryptography/one-time-password

cryptography haskell hotp totp

Last synced: about 1 year ago
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Haskell implementation of One-Time Passwords algorithms

• Host: GitHub
• URL: https://github.com/haskell-cryptography/one-time-password
• Owner: haskell-cryptography
• License: mit
• Created: 2023-11-02T14:48:31.000Z (over 2 years ago)
• Default Branch: master
• Last Pushed: 2025-05-20T10:39:25.000Z (about 1 year ago)
• Last Synced: 2025-05-20T10:45:29.471Z (about 1 year ago)
• Topics: cryptography, haskell, hotp, totp
• Language: Haskell
• Homepage:
• Size: 97.7 KB
• Stars: 3
• Watchers: 3
• Forks: 3
• Open Issues: 7
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE

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README

          


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A One-Time Password (OTP) is a dynamic password used once in conjunction with an account's usual password, a for the purpose of two-factor authentication. 

It can be based on a counter (HOTP) or a timestamp (TOTP). This module provides both methods.

Mobile authenticator applications will typically require a TOTP secret. They are most commonly provided as QR codes to scan.

This library can generate a URI that can be used by a QR Code generator.