PutWrapkeyCommand
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bcd16c93b1
commit
7d8389a6ff
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@ -248,3 +248,31 @@ func CreateGetPseudoRandomCommand(numBytes uint16) *CommandMessage {
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return command
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}
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func CreatePutWrapkeyCommand(objID uint16, label []byte, domains uint16, capabilities, delegated uint64, wrapkey []byte) (*CommandMessage, error) {
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if len(label) > LabelLength {
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return nil, errors.New("label is too long")
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}
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if len(label) < LabelLength {
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label = append(label, bytes.Repeat([]byte{0x00}, LabelLength-len(label))...)
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}
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if keyLen := len(wrapkey); keyLen != 16 && keyLen != 24 && keyLen != 32 {
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return nil, errors.New("wrapkey is wrong length")
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}
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command := &CommandMessage{
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CommandType: CommandTypePutWrapKey,
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}
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payload := bytes.NewBuffer([]byte{})
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binary.Write(payload, binary.BigEndian, objID)
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payload.Write(label)
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binary.Write(payload, binary.BigEndian, domains)
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binary.Write(payload, binary.BigEndian, capabilities)
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binary.Write(payload, binary.BigEndian, delegated)
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payload.Write(wrapkey)
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command.Data = payload.Bytes()
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return command, nil
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}
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@ -83,6 +83,10 @@ type (
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ChangeAuthenticationKeyResponse struct {
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ObjectID uint16
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}
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PutWrapkeyResponse struct {
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ObjectID uint16
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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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@ -139,6 +143,8 @@ func ParseResponse(data []byte) (Response, error) {
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return parseChangeAuthenticationKeyResponse(payload)
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case CommandTypeGetPseudoRandom:
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return parseGetPseudoRandomResponse(payload), nil
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case CommandTypePutWrapKey:
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return parsePutWrapkeyResponse(payload)
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case ErrorResponseCode:
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return nil, parseErrorResponse(payload)
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default:
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@ -288,6 +294,19 @@ func parseGetPseudoRandomResponse(payload []byte) Response {
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return payload
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}
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func parsePutWrapkeyResponse(payload []byte) (Response, error) {
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if len(payload) != 2 {
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return nil, errors.New("invalid response payload length")
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}
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var objectID uint16
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err := binary.Read(bytes.NewReader(payload), binary.BigEndian, &objectID)
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if err != nil {
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return nil, err
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}
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return &PutWrapkeyResponse{ObjectID: objectID}, 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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