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@@ -847,10 +847,31 @@ func (s *Session) walletStatus() (*walletStatus, error) {
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if err != nil {
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return nil, err
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}
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- status := new(walletStatus)
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- if _, err := asn1.UnmarshalWithParams(response.Data, status, "tag:3"); err != nil {
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- return nil, err
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+ // There is an issue with ASN1 decoding that I am struggling with,
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+ // so I unpack it manually, like is being done in the status-im
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+ // card management code.
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+ if len(response.Data) != int(response.Data[1])-1 {
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+ return nil, fmt.Errorf("invalid response length %d", len(response.Data))
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+ }
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+ if response.Data[0] != 0xA3 {
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+ return nil, fmt.Errorf("invalid tag %v, expected 0xA3", response.Data[0])
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+ }
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+ if response.Data[2] != 2 || response.Data[3] != 1 || response.Data[5] != 2 || response.Data[6] != 1 || response.Data[8] != 1 || response.Data[9] != 1 {
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+ return nil, fmt.Errorf("invalid response tag format")
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}
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+ fmt.Println("asn1 response", response)
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+ status := &walletStatus{
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+ PinRetryCount: int(response.Data[4]),
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+ PukRetryCount: int(response.Data[7]),
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+ Initialized: (response.Data[10] == 0xff),
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+ }
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+
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+ /*
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+ if _, err := asn1.Unmarshal(response.Data, status); err != nil {
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+ //if _, err := asn1.UnmarshalWithParams(response.Data, status, "tag:3"); err != nil {
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+ fmt.Println("###### asn1 err", err)
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+ return nil, err
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+ }*/
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return status, nil
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}
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