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path: root/libs/libaxolotl/src/curve25519/ed25519/additions/sc_clamp.c
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Diffstat (limited to 'libs/libaxolotl/src/curve25519/ed25519/additions/sc_clamp.c')
-rw-r--r--libs/libaxolotl/src/curve25519/ed25519/additions/sc_clamp.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/libs/libaxolotl/src/curve25519/ed25519/additions/sc_clamp.c b/libs/libaxolotl/src/curve25519/ed25519/additions/sc_clamp.c
new file mode 100644
index 0000000000..7788be9071
--- /dev/null
+++ b/libs/libaxolotl/src/curve25519/ed25519/additions/sc_clamp.c
@@ -0,0 +1,8 @@
+#include "crypto_additions.h"
+
+void sc_clamp(unsigned char* a)
+{
+ a[0] &= 248;
+ a[31] &= 127;
+ a[31] |= 64;
+}