engine/ccgost Win32 portability fixes.

1 files changed, 8 insertions, 2 deletions

diff --git a/engines/ccgost/gost_keywrap.c b/engines/ccgost/gost_keywrap.c
index 014499077f..c618f6da28 100644
--- a/engines/ccgost/gost_keywrap.c
+++ b/engines/ccgost/gost_keywrap.c
@@ -44,8 +44,14 @@ void keyDiversifyCryptoPro(gost_ctx *ctx,const unsigned char *inputKey, const un
 				s2+=k;
 				}
 			}
-		S[0]=s1&0xff; S[1]=(s1>>8)&0xff; S[2]=(s1>>16)&0xff; S[3]=(s1>>24)&0xff; 
-		S[4]=s2&0xff; S[5]=(s2>>8)&0xff; S[6]=(s2>>16)&0xff; S[7]=(s2>>24)&0xff; 
+		S[0]=(unsigned char)(s1&0xff);
+		S[1]=(unsigned char)((s1>>8)&0xff);
+		S[2]=(unsigned char)((s1>>16)&0xff);
+		S[3]=(unsigned char)((s1>>24)&0xff); 
+		S[4]=(unsigned char)(s2&0xff);
+		S[5]=(unsigned char)((s2>>8)&0xff);
+		S[6]=(unsigned char)((s2>>16)&0xff);
+		S[7]=(unsigned char)((s2>>24)&0xff); 
 		gost_key(ctx,outputKey);
 		gost_enc_cfb(ctx,S,outputKey,outputKey,4);
 		}