commit a381fe84ce68347631ce09d2f7a655a58f7af046
author Gilles Peskine <Gilles.Peskine@arm.com> Tue Jan 23 18:16:11 2018 +0100
committer Gilles Peskine <Gilles.Peskine@arm.com> Tue Jan 23 18:16:11 2018 +0100
tree a7fd73a330d9a1b4bd98f3f8dee16e78c62b1449
parent 2840f945d29d164d6a882ea3a5250448acb6180c

Add HW_FAILED error codes for message digest modules

New error codes to report failures from alternative implementations of
MD2, MD4, MD5, RIPEMD160, SHA-1, SHA-256, SHA-512.

include/mbedtls/sha256.h

diff --git a/include/mbedtls/sha256.h b/include/mbedtls/sha256.h
index 9c52f78..e9cc0ca 100644
--- a/include/mbedtls/sha256.h
+++ b/include/mbedtls/sha256.h
@@ -32,6 +32,8 @@
 #include <stddef.h>
 #include <stdint.h>
 
+#define MBEDTLS_ERR_SHA256_HW_ACCEL_FAILED                -0x0037  /**< SHA-256 hardware accelerator failed */
+
 #if ( defined(__ARMCC_VERSION) || defined(_MSC_VER) ) && \
     !defined(inline) && !defined(__cplusplus)
 #define inline __inline