commit 2306d1534450e29bdf85581e0458c07806fb0228
author Manuel Pégourié-Gonnard <mpg@elzevir.fr> Wed Jul 17 12:36:53 2019 +0200
committer Manuel Pégourié-Gonnard <mpg@elzevir.fr> Wed Jul 17 13:05:41 2019 +0200
tree 869aa239eff5b0c8f1cc7b6af6cc38380faeadff
parent b6229e304e69e672dec653700467c696d32d19ae

Declare new config.h option MBEDTLS_SHA512_SMALLER

include/mbedtls/config.h

diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index 56ad01c..f1b6605 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -983,6 +983,16 @@
 //#define MBEDTLS_SHA256_SMALLER
 
 /**
+ * \def MBEDTLS_SHA512_SMALLER
+ *
+ * Enable an implementation of SHA-512 that has lower ROM footprint but also
+ * lower performance.
+ *
+ * Uncomment to enable the smaller implementation of SHA512.
+ */
+//#define MBEDTLS_SHA512_SMALLER
+
+/**
  * \def MBEDTLS_THREADING_ALT
  *
  * Provide your own alternate threading implementation.

library/version_features.c

diff --git a/library/version_features.c b/library/version_features.c
index 4f1da6a..7feeee4 100644
--- a/library/version_features.c
+++ b/library/version_features.c
@@ -405,6 +405,9 @@
 #if defined(MBEDTLS_SHA256_SMALLER)
     "MBEDTLS_SHA256_SMALLER",
 #endif /* MBEDTLS_SHA256_SMALLER */
+#if defined(MBEDTLS_SHA512_SMALLER)
+    "MBEDTLS_SHA512_SMALLER",
+#endif /* MBEDTLS_SHA512_SMALLER */
 #if defined(MBEDTLS_THREADING_ALT)
     "MBEDTLS_THREADING_ALT",
 #endif /* MBEDTLS_THREADING_ALT */

programs/test/query_config.c

diff --git a/programs/test/query_config.c b/programs/test/query_config.c
index fc25353..1063430 100644
--- a/programs/test/query_config.c
+++ b/programs/test/query_config.c
@@ -1109,6 +1109,14 @@
     }
 #endif /* MBEDTLS_SHA256_SMALLER */
 
+#if defined(MBEDTLS_SHA512_SMALLER)
+    if( strcmp( "MBEDTLS_SHA512_SMALLER", config ) == 0 )
+    {
+        MACRO_EXPANSION_TO_STR( MBEDTLS_SHA512_SMALLER );
+        return( 0 );
+    }
+#endif /* MBEDTLS_SHA512_SMALLER */
+
 #if defined(MBEDTLS_THREADING_ALT)
     if( strcmp( "MBEDTLS_THREADING_ALT", config ) == 0 )
     {