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Honor digits even for challenge #429

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10 changes: 7 additions & 3 deletions ykman/cli/otp.py
Original file line number Diff line number Diff line change
Expand Up @@ -591,8 +591,8 @@ def chalresp(ctx, slot, key, totp, touch, force, generate):
@click.option(
"-d",
"--digits",
type=click.Choice(["6", "8"]),
default="6",
type=click.Choice(["0", "6", "8"]),
default="0",
help="Number of digits in generated TOTP code (default: 6).",
)
@click.pass_context
Expand Down Expand Up @@ -633,7 +633,11 @@ def on_keepalive(status):
setattr(on_keepalive, "prompted", True)

response = session.calculate_hmac_sha1(slot, challenge, event, on_keepalive)
if totp:

if totp and digits == "0":
digits = "6"

if digits != "0":
value = format_oath_code(response, int(digits))
else:
value = response.hex()
Expand Down