TOTP
A widely adopted two-factor authentication standard defined by RFC 6238. It generates a six-digit verification code every 30 seconds by combining a shared secret key with the current timestamp and applying a hash algorithm, and is broadly used for account security verification.
Core Facts
Timeline (last 90 days)
When passwords and TOTP secrets are stored in the same login entry, both are located in the same local Vault, and their degree of isolation is lower than placing the second factor on another physical device.
RFC 6238 allows the server to tolerate a certain degree of drift, typically one 30-second window before and after, i.e. a tolerance range of about 90 seconds.
The official troubleshooting checklist states: if the code expires during entry, wait for a new value and submit as soon as possible; if all codes fail, calibrate the computer clock; if the password is correct but the verification code is wrong, check the account and setup key; if no verification code is displayed, check the secret field and the Vault lock status.
SAFi v1.5.0 supports enterprise identity and access management capabilities, including Microsoft Entra ID single sign-on, TOTP multi-factor authentication, SCIM 2.0 user and role provisioning, automated account deprovisioning, DNS-based domain verification and tenant-aware workspace routing.
Modern authentication systems (such as TOTP-based two-factor authentication, SMS verification codes, and FIDO2/WebAuthn hardware keys) are designed by nature to resist automated attacks, making it nearly impossible for AI agents to complete these verifications without possessing the user's physical device.
Password managers such as 1Password and Bitwarden already support team-shared TOTP keys
Anyone who possesses a TOTP shared key can generate the exact same verification code, making shared 2FA technically straightforward
MFA requires users to provide an additional second verification factor when logging in, such as TOTP, a hardware security key, or biometrics.
Both Vaultwarden and official Bitwarden support TOTP-based two-step verification and can be used with authenticator apps such as Aegis and Authy.
Unlike TOTP-based two-factor authentication, Passkeys use a challenge-response mechanism in which the service provider sends a random challenge value at each login, which the device signs with the private key and returns, eliminating the one-time password that could be intercepted and replayed by a man-in-the-middle.
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All Facts (17)
TOTP performs an HMAC-SHA1 hash of a static key combined with a 30-second time window of the current Unix timestamp, then truncates the result to a 6-digit dynamic verification code.
80%UnverifiedTOTP协议基于RFC 6238标准，每30秒生成一个6位动态码
95%UnverifiedRFC 6238 allows the server to tolerate a certain degree of drift, typically one 30-second window before and after, i.e. a tolerance range of about 90 seconds.
50%UnverifiedWhen passwords and TOTP secrets are stored in the same login entry, both are located in the same local Vault, and their degree of isolation is lower than placing the second factor on another physical device.
50%UnverifiedThe official troubleshooting checklist states: if the code expires during entry, wait for a new value and submit as soon as possible; if all codes fail, calibrate the computer clock; if the password is correct but the verification code is wrong, check the account and setup key; if no verification code is displayed, check the secret field and the Vault lock status.
50%UnverifiedSAFi v1.5.0 supports enterprise identity and access management capabilities, including Microsoft Entra ID single sign-on, TOTP multi-factor authentication, SCIM 2.0 user and role provisioning, automated account deprovisioning, DNS-based domain verification and tenant-aware workspace routing.
50%UnverifiedModern authentication systems (such as TOTP-based two-factor authentication, SMS verification codes, and FIDO2/WebAuthn hardware keys) are designed by nature to resist automated attacks, making it nearly impossible for AI agents to complete these verifications without possessing the user's physical device.
50%UnverifiedPassword managers such as 1Password and Bitwarden already support team-shared TOTP keys
50%UnverifiedAnyone who possesses a TOTP shared key can generate the exact same verification code, making shared 2FA technically straightforward
50%UnverifiedMFA requires users to provide an additional second verification factor when logging in, such as TOTP, a hardware security key, or biometrics.
50%UnverifiedBoth Vaultwarden and official Bitwarden support TOTP-based two-step verification and can be used with authenticator apps such as Aegis and Authy.
50%UnverifiedUnlike TOTP-based two-factor authentication, Passkeys use a challenge-response mechanism in which the service provider sends a random challenge value at each login, which the device signs with the private key and returns, eliminating the one-time password that could be intercepted and replayed by a man-in-the-middle.
50%UnverifiedBitwarden has a built-in authenticator feature that can generate one-time verification codes (2FA/TOTP).
50%UnverifiedThe authentication factors of two-factor authentication fall into three categories: something you know, something you have, and something you are; common implementations include TOTP, SMS verification codes, and hardware security keys (based on the FIDO2/WebAuthn standard).
50%UnverifiedTOTP is an evolution of HOTP (HMAC-Based One-Time Password, RFC 4226); HOTP uses an incrementing event counter, and TOTP replaces it with the current timestamp.
50%UnverifiedOTP is primarily divided into two technical approaches: TOTP (Time-based One-Time Password) and dynamic verification codes pushed through external channels.
50%UnverifiedTraditional SMS OTP has been gradually replaced by more secure solutions such as TOTP, FIDO2/WebAuthn-standard hardware security keys, and on-device biometrics due to the risk of SIM card hijacking.
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