Add GetPubkey command support
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727a1c5fe5
commit
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@ -111,3 +111,15 @@ func CreateCloseSessionCommand() (*CommandMessage, error) {
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return command, nil
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}
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func CreateGetPubKeyCommand(keyID uint16) (*CommandMessage, error) {
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command := &CommandMessage{
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CommandType: CommandTypeGetPubKey,
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}
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payload := bytes.NewBuffer([]byte{})
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binary.Write(payload, binary.BigEndian, keyID)
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command.Data = payload.Bytes()
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return command, nil
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}
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@ -38,6 +38,12 @@ type (
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SignDataEddsaResponse struct {
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Signature []byte
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}
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GetPubKeyResponse struct {
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Algorithm Algorithm
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// KeyData can contain different formats depending on the algorithm according to the YubiHSM2 documentation.
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KeyData []byte
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}
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)
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// ParseResponse parses the binary response from the card to the relevant Response type.
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@ -76,6 +82,8 @@ func ParseResponse(data []byte) (Response, error) {
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return parsePutAsymmetricKeyResponse(payload)
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case CommandTypeCloseSession:
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return nil, nil
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case CommandTypeGetPubKey:
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return parseGetPubKeyResponse(payload)
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case ErrorResponseCode:
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return nil, parseErrorResponse(payload)
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default:
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@ -151,6 +159,16 @@ func parsePutAsymmetricKeyResponse(payload []byte) (Response, error) {
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}, nil
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}
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func parseGetPubKeyResponse(payload []byte) (Response, error) {
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if len(payload) < 1 {
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return nil, errors.New("invalid response payload length")
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}
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return &GetPubKeyResponse{
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Algorithm: Algorithm(payload[0]),
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KeyData: payload[1:],
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}, nil
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}
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// Error formats a card error message into a human readable format
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func (e *Error) Error() string {
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message := ""
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