From 418f85957930e0d4e48b93abe73f0f9097dce50f Mon Sep 17 00:00:00 2001
From: Dave Rodgman <dave.rodgman@arm.com>
Date: Tue, 13 Feb 2024 19:22:28 +0000
Subject: [PATCH] fix cast warning

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
---
 library/sha3.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/sha3.c b/library/sha3.c
index 9b22cfa04..6b14a8436 100644
--- a/library/sha3.c
+++ b/library/sha3.c
@@ -85,7 +85,7 @@ static void keccak_f1600(mbedtls_sha3_context *ctx)
         for (i = 1; i < 25; i += 4) {
             uint32_t r = rho[(i - 1) >> 2];
             for (int j = i; j < i + 4; j++) {
-                uint8_t r8 = r >> 24;
+                uint8_t r8 = (uint8_t) (r >> 24);
                 r <<= 8;
                 s[j] = ROTR64(s[j], r8);
             }