commit 7ecab3df4cc3a79e8b74dd6bd79cf3882e033841
author Gilles Peskine <Gilles.Peskine@arm.com> Fri Jan 26 17:56:38 2018 +0100
committer Gilles Peskine <Gilles.Peskine@arm.com> Fri Jan 26 17:56:38 2018 +0100
tree c3d0e1ff001c7e1ac5eba8fed19370aef7aabd80
parent 92143276239d95420b56a33f5abaf2b9d0850ca0

Error codes for hardware accelerator failures

Add MBEDTLS_ERR_XXX_HW_ACCEL_FAILED error codes for all cryptography
modules where the software implementation can be replaced by a hardware
implementation.

This does not include the individual message digest modules since they
currently have no way to return error codes.

This does include the higher-level md, cipher and pk modules since
alternative implementations and even algorithms can be plugged in at
runtime.

include/mbedtls/arc4.h

diff --git a/include/mbedtls/arc4.h b/include/mbedtls/arc4.h
index 26de33f..875c574 100644
--- a/include/mbedtls/arc4.h
+++ b/include/mbedtls/arc4.h
@@ -32,6 +32,8 @@
 
 #include <stddef.h>
 
+#define MBEDTLS_ERR_ARC4_HW_ACCEL_FAILED                  -0x0019  /**< ARC4 hardware accelerator failed. */
+
 #if !defined(MBEDTLS_ARC4_ALT)
 // Regular implementation
 //