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-rw-r--r--src/event/ngx_event_quic_protection.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/event/ngx_event_quic_protection.c b/src/event/ngx_event_quic_protection.c
index cdab7fcd4..b4c6ef3f3 100644
--- a/src/event/ngx_event_quic_protection.c
+++ b/src/event/ngx_event_quic_protection.c
@@ -787,10 +787,10 @@ ngx_quic_parse_pn(u_char **pos, ngx_int_t len, u_char *mask)
static void
ngx_quic_compute_nonce(u_char *nonce, size_t len, uint64_t pn)
{
- nonce[len - 4] ^= pn & 0xff000000;
- nonce[len - 3] ^= pn & 0x00ff0000;
- nonce[len - 2] ^= pn & 0x0000ff00;
- nonce[len - 1] ^= pn & 0x000000ff;
+ nonce[len - 4] ^= (pn & 0xff000000) >> 24;
+ nonce[len - 3] ^= (pn & 0x00ff0000) >> 16;
+ nonce[len - 2] ^= (pn & 0x0000ff00) >> 8;
+ nonce[len - 1] ^= (pn & 0x000000ff);
}