39 lines
979 B
Go
39 lines
979 B
Go
package globalplatform
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import (
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"github.com/status-im/status-go/smartcard/apdu"
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"github.com/status-im/status-go/smartcard/hexutils"
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)
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// SecureChannel wraps another channel and sends wrapped commands using APDUWrapper.
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type SecureChannel struct {
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session *Session
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c Channel
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w *APDUWrapper
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}
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// NewSecureChannel returns a new SecureChannel based on a session and wrapping a Channel c.
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func NewSecureChannel(session *Session, c Channel) *SecureChannel {
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return &SecureChannel{
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session: session,
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c: c,
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w: NewAPDUWrapper(session.KeyProvider().Mac()),
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}
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}
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// Send sends wrapped commands to the inner channel.
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func (c *SecureChannel) Send(cmd *apdu.Command) (*apdu.Response, error) {
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rawCmd, err := cmd.Serialize()
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if err != nil {
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return nil, err
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}
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logger.Debug("wrapping apdu command", "hex", hexutils.BytesToHexWithSpaces(rawCmd))
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wrappedCmd, err := c.w.Wrap(cmd)
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if err != nil {
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return nil, err
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}
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return c.c.Send(wrappedCmd)
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}
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