crypto: use unaligned helpers

This is not useful for WireGuard, but for the general use case we
probably want it this way, and the speed difference is mostly lost in
the noise.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

diff --git a/src/curve25519.c b/src/curve25519.c
index b0308532d4334bb7e235e3778010f0c5673cd218..043aefca357dbbac9f35a059e93518c626c4129b 100644 (file)
--- a/src/curve25519.c
+++ b/src/curve25519.c
@@ -29,6 +29,9 @@ typedef int64_t s64;
 #define le32_to_cpup(a) (*(a))
 #define cpu_to_le64(a) (a)
 #endif
+#define get_unaligned_le32(a) le32_to_cpup((u32 *)(a))
+#define get_unaligned_le64(a) le64_to_cpup((u64 *)(a))
+#define put_unaligned_le64(s, d) *(u64 *)(d) = cpu_to_le64(s)
 #ifndef __always_inline
 #define __always_inline __inline __attribute__((__always_inline__))
 #endif