Fixed 2FA Generator — Google Auth Compatible (Debug)

🔐 Fixed 2FA Generator — Debug Mode

Google Auth compatible • RFC 4226/6238 • 100% offline

Algorithm

Digits

Period (seconds)

Freeze time (epoch seconds, optional)

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⏳ Waiting...

Debug Info

Input

Sanitized Secret

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Algorithm / Digits / Period

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Base32 Decode

Key (bytes)

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Key Length

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Time / Counter

Epoch (sec)

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Time Step

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Counter (T = floor(t/step))

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Counter 8B (big‑endian)

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HMAC

Digest (hex)

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Offset (last byte & 0x0F)

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DT Bytes [4]

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31-bit Code

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Modulo 10^digits

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OTP

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RFC 6238 (SHA‑1, K="12345678901234567890")

t=59

94287082

t=1111111109

07081804

t=1111111111

14050471

t=1234567890

89005924

t=2000000000

69279037

t=20000000000

65353130