Fix:
- Remove unnecessary tests.
- Update description of MBEDTLS_GCM_LARGETABLE parameter.
- Move acceleration defines from gcm.h to gcm.c.
- Remove unnecessary zero setting after shift.
- Fix implementation for big-endian architectures.
Signed-off-by: Matthias Schulz <mschulz@hilscher.com>
diff --git a/include/mbedtls/gcm.h b/include/mbedtls/gcm.h
index f475710..2f9a2cd 100644
--- a/include/mbedtls/gcm.h
+++ b/include/mbedtls/gcm.h
@@ -33,11 +33,6 @@
#define MBEDTLS_GCM_ENCRYPT 1
#define MBEDTLS_GCM_DECRYPT 0
-#define MBEDTLS_GCM_ACC_SMALLTABLE 0
-#define MBEDTLS_GCM_ACC_LARGETABLE 1
-#define MBEDTLS_GCM_ACC_AESNI 2
-#define MBEDTLS_GCM_ACC_AESCE 3
-
/** Authenticated decryption failed. */
#define MBEDTLS_ERR_GCM_AUTH_FAILED -0x0012
/** Bad input parameters to function. */
diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index f467737..18dbcd1 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -2807,6 +2807,9 @@
* Can significantly increase throughput on systems without GCM hardware
* acceleration (e.g., AESNI, AESCE).
*
+ * The mbedtls_gcm_context size will increase by 3840 bytes.
+ * The code size will increase by roughly 344 bytes.
+ *
* Module: library/gcm.c
*
* Requires: MBEDTLS_GCM_C