Copy Joachim's EIM timeout change, make timeout configurable at

compile time.  Detect not-multiple-of-four-byte errors before they
trigger an infinite loop.  Remove printfs() that don't belong in
library code, along with an unnecessary malloc().  Other minor
cleanup.

1 files changed, 1 insertions, 0 deletions

diff --git a/cryptech.h b/cryptech.h
index dce2b8b..8218aa2 100644
--- a/cryptech.h
+++ b/cryptech.h
@@ -436,6 +436,7 @@ typedef enum {
   HAL_ERROR_IO_TIMEOUT,			/* I/O with FPGA timed out */
   HAL_ERROR_IO_UNEXPECTED,		/* Unexpected response from FPGA */
   HAL_ERROR_IO_OS_ERROR,		/* Operating system error talking to FPGA */
+  HAL_ERROR_IO_BAD_COUNT,		/* Bad byte count */
   HAL_ERROR_CSPRNG_BROKEN,		/* CSPRNG is returning nonsense (perhaps core not present?) */
   HAL_ERROR_KEYWRAP_BAD_MAGIC,		/* Bad magic number while unwrapping key */
   HAL_ERROR_KEYWRAP_BAD_LENGTH,		/* Length out of range while unwrapping key */