From c6f6e8ec4d71475a24ebbb0e64f19ad94249efd9 Mon Sep 17 00:00:00 2001
From: Jakob Unterwurzacher
Date: Sun, 17 Jun 2018 15:25:09 +0200
Subject: trezor: add skeleton for Trezor support

readpassword.Trezor() is not implemented yet and returns
a hardcoded dummy key.
---
 internal/readpassword/trezor.go | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 internal/readpassword/trezor.go

(limited to 'internal/readpassword/trezor.go')

diff --git a/internal/readpassword/trezor.go b/internal/readpassword/trezor.go
new file mode 100644
index 0000000..37dde79
--- /dev/null
+++ b/internal/readpassword/trezor.go
@@ -0,0 +1,26 @@
+package readpassword
+
+import (
+	"os"
+
+	"github.com/rfjakob/gocryptfs/internal/exitcodes"
+	"github.com/rfjakob/gocryptfs/internal/tlog"
+)
+
+// Trezor reads 16 deterministically derived bytes from a
+// SatoshiLabs Trezor USB security module.
+// The bytes are pseudorandom binary data and may contain null bytes.
+// This function either succeeds and returns 16 bytes or calls os.Exit to end
+// the application.
+func Trezor() []byte {
+	var err error
+	// TODO try to read bytes here....
+	// Handle errors
+	if err != nil {
+		tlog.Fatal.Printf("xxx some error was encountered...")
+		os.Exit(exitcodes.TrezorError)
+	}
+
+	tlog.Warn.Println("XXX readpassword.Trezor(): not implemented yet - returning hardcoded dummy bytes XXX")
+	return []byte("1234567890123456")
+}
-- 
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