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PINPolicyAlways if Attest fails #144

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PINPolicyAlways if Attest fails #144

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5 changes: 5 additions & 0 deletions piv/key.go
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Original file line number Diff line number Diff line change
Expand Up @@ -936,6 +936,11 @@ func pinPolicy(yk *YubiKey, slot Slot) (PINPolicy, error) {
cert, err := yk.Attest(slot)
if err != nil {
var e *apduErr
errors.As(err, &e)
if e == nil {
// Yubikey Version 5.2.7 Attest returns ErrNotFound
return PINPolicyAlways, nil
}
if errors.As(err, &e) && e.sw1 == 0x6d && e.sw2 == 0x00 {
// Attestation cert command not supported, probably an older YubiKey.
// Guess PINPolicyAlways.
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