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-rw-r--r--pyecsca/codegen/hash/sha1.c2
-rw-r--r--pyecsca/codegen/hash/sha2.c2
2 files changed, 4 insertions, 0 deletions
diff --git a/pyecsca/codegen/hash/sha1.c b/pyecsca/codegen/hash/sha1.c
index 8ef9723..cf6ca3e 100644
--- a/pyecsca/codegen/hash/sha1.c
+++ b/pyecsca/codegen/hash/sha1.c
@@ -24,7 +24,9 @@
#include <stdlib.h>
#include "sha1.h"
+#ifndef LITTLE_ENDIAN
#define LITTLE_ENDIAN
+#endif
/********************************************************************************************************/
diff --git a/pyecsca/codegen/hash/sha2.c b/pyecsca/codegen/hash/sha2.c
index fb33650..d2ddf6f 100644
--- a/pyecsca/codegen/hash/sha2.c
+++ b/pyecsca/codegen/hash/sha2.c
@@ -49,7 +49,9 @@
#define CH(x,y,z) (((x)&(y)) ^ ((~(x))&(z)))
#define MAJ(x,y,z) (((x)&(y)) ^ ((x)&(z)) ^ ((y)&(z)))
+#ifndef LITTLE_ENDIAN
#define LITTLE_ENDIAN
+#endif
#if HASH == HASH_SHA224 || HASH == HASH_SHA256
#define SIGMA_0(x) (rotr32((x), 2) ^ rotr32((x),13) ^ rotl32((x),10))