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| author |   Jason A. Donenfeld <Jason@zx2c4.com> | 2018-08-07 16:10:57 -0700 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2018-08-07 17:25:07 -0700 |
| commit | 3552caa9807a5dfac010d8a05f30cf76c0aeb4ad (patch) | |
| tree | 731dfaddd66c28ed2742a896b8f36f2545a0ce13 | |
| parent | curve25519-x86_64: avoid use of r12 (diff) | |
| download | wireguard-monolithic-historical-3552caa9807a5dfac010d8a05f30cf76c0aeb4ad.tar.xz wireguard-monolithic-historical-3552caa9807a5dfac010d8a05f30cf76c0aeb4ad.zip | |
chacha20: use memmove in case buffers overlap
Suggested-by: Samuel Neves <sneves@dei.uc.pt>
| -rw-r--r-- | src/crypto/chacha20.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/crypto/chacha20.c b/src/crypto/chacha20.c index 29f7e6b..815d777 100644 --- a/src/crypto/chacha20.c +++ b/src/crypto/chacha20.c @@ -137,7 +137,7 @@ static void chacha20_generic(u8 *out, const u8 *in, u32 len, const u32 key[8], c }; if (out != in) - memcpy(out, in, len); + memmove(out, in, len); while (len >= CHACHA20_BLOCK_SIZE) { chacha20_block_generic(buf, x); |