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-rw-r--r--src/device/log.hpp13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/device/log.hpp b/src/device/log.hpp
index fb7ba1fb0..bfe6e9edc 100644
--- a/src/device/log.hpp
+++ b/src/device/log.hpp
@@ -40,6 +40,19 @@
namespace hw {
+ /* Note about debug:
+ * To debug Device you can def the following :
+ * #define DEBUG_HWDEVICE
+ * Activate debug mechanism:
+ * - Add more trace
+ * - All computation done by device are checked by default device.
+ * Required IODUMMYCRYPT_HWDEVICE or IONOCRYPT_HWDEVICE for fully working
+ * #define IODUMMYCRYPT_HWDEVICE 1
+ * - It assumes sensitive data encryption is is off on device side. a XOR with 0x55. This allow Ledger Class to make check on clear value
+ * #define IONOCRYPT_HWDEVICE 1
+ * - It assumes sensitive data encryption is off on device side.
+ */
+
void buffer_to_str(char *to_buff, size_t to_len, const char *buff, size_t len) ;
void log_hexbuffer(const std::string &msg, const char* buff, size_t len);
void log_message(const std::string &msg, const std::string &info );