credativ® Blog
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Tag: OTP
10 December 2020
Create QR Codes for TOTP Secrets
In the article Two-Factor Authentication for OpenSSH and OpenVPN, a simple way was presented to increase the security of PAM-enabled services through two-factor authentication. With the TOTP method used, a time-limited one-time password is generated based on a shared secret. Depending on the method and encoding, the shared secret consists of 32 or even 40 […]