X-Git-Url: http://wagner.pp.ru/gitweb/?a=blobdiff_plain;f=gost_crypt.c;h=da78e396fd941acc40034f426e7cbd5f79ee3601;hb=8c81c6fde1485fc27f88b4ffbcd8217a294c2215;hp=f60dd0629c763239ef2e49cf113a9977ec094b7f;hpb=2dd3a2f2e9a6286fab4dd80f7f127ce8289bc77e;p=openssl-gost%2Fengine.git

diff --git a/gost_crypt.c b/gost_crypt.c
index f60dd06..da78e39 100644
--- a/gost_crypt.c
+++ b/gost_crypt.c
@@ -649,7 +649,7 @@ static void ctr64_inc(unsigned char *counter)
 static inline void apply_acpkm_magma(struct ossl_gost_cipher_ctx *
                                            ctx, unsigned int *num)
 {
-    if (!ctx->key_meshing || (*num < ctx->key_meshing))
+    if (!ctx->key_meshing || (*num < (unsigned int)ctx->key_meshing))
         return;
     acpkm_magma_key_meshing(&ctx->cctx);
     *num &= MAGMA_BLOCK_MASK;
@@ -767,7 +767,7 @@ static int gost_cipher_do_cfb(EVP_CIPHER_CTX *ctx, unsigned char *out,
         }
     }
 
-    for (; i + 8 < inl; i += 8, in_ptr += 8, out_ptr += 8) {
+    for (; (inl - i) >= 8; i += 8, in_ptr += 8, out_ptr += 8) {
         /*
          * block cipher current iv
          */
@@ -828,7 +828,7 @@ static int gost_cipher_do_cnt(EVP_CIPHER_CTX *ctx, unsigned char *out,
         }
     }
 
-    for (; i + 8 < inl; i += 8, in_ptr += 8, out_ptr += 8) {
+    for (; (inl - i) >= 8; i += 8, in_ptr += 8, out_ptr += 8) {
         /*
          * block cipher current iv
          */