aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/src/tools/curve25519.h
diff options
context:
space:
mode:
authorJason A. Donenfeld <Jason@zx2c4.com>2015-06-05 15:58:00 +0200
committerJason A. Donenfeld <Jason@zx2c4.com>2016-06-25 16:48:39 +0200
commit99d303ac2739e65a02fbbc325b74ad6fcac63cc2 (patch)
tree6f4095f42d3d298cdd5ab8bc6f8ed89d9673b38b /src/tools/curve25519.h
downloadwireguard-monolithic-historical-99d303ac2739e65a02fbbc325b74ad6fcac63cc2.tar.xz
wireguard-monolithic-historical-99d303ac2739e65a02fbbc325b74ad6fcac63cc2.zip
Initial commit
Diffstat (limited to 'src/tools/curve25519.h')
-rw-r--r--src/tools/curve25519.h22
1 files changed, 22 insertions, 0 deletions
diff --git a/src/tools/curve25519.h b/src/tools/curve25519.h
new file mode 100644
index 0000000..3c1404a
--- /dev/null
+++ b/src/tools/curve25519.h
@@ -0,0 +1,22 @@
+/* Copyright 2015-2016 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. */
+
+#ifndef CURVE25519_H
+#define CURVE25519_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+enum curve25519_lengths {
+ CURVE25519_POINT_SIZE = 32,
+};
+
+void curve25519(uint8_t *mypublic, const uint8_t *secret, const uint8_t *basepoint);
+void curve25519_generate_public(uint8_t *pub, const uint8_t *secret);
+static inline void curve25519_normalize_secret(uint8_t secret[CURVE25519_POINT_SIZE])
+{
+ secret[0] &= 248;
+ secret[31] &= 127;
+ secret[31] |= 64;
+}
+
+#endif