Fix num overflow (crustio#220)

TonyCode2012 · web-flow · commit f981100bdd3b · 2020-09-09T19:50:29.000+08:00
* Fix number overflow

* Fix cast change warning
diff --git a/src/enclave/report/Report.cpp b/src/enclave/report/Report.cpp
@@ -100,7 +100,7 @@ crust_status_t get_signed_work_report(const char *block_hash, size_t block_heigh
         log_err("Malloc memory failed!\n");
         return CRUST_MALLOC_FAILED;
     }
-    uint32_t hashs_len = 0;
+    size_t hashs_len = 0;
     for (auto it : wl->srd_path2hashs_m)
     {
         for (auto g_hash : it.second)
@@ -118,7 +118,7 @@ crust_status_t get_signed_work_report(const char *block_hash, size_t block_heigh
     else
     {
         srd_workload = (hashs_len / HASH_LENGTH) * 1024 * 1024 * 1024;
-        sgx_sha256_msg(hashs, hashs_len, &srd_root);
+        sgx_sha256_msg(hashs, (uint32_t)hashs_len, &srd_root);
     }
     free(hashs);
     sgx_thread_mutex_unlock(&g_srd_mutex);

Original file line number	Diff line number	Diff line change
`@@ -100,7 +100,7 @@ crust_status_t get_signed_work_report(const char *block_hash, size_t block_heigh`
`100`	`100`	`log_err("Malloc memory failed!\n");`
`101`	`101`	`return CRUST_MALLOC_FAILED;`
`102`	`102`	`}`
`103`		`- uint32_t hashs_len = 0;`
	`103`	`+ size_t hashs_len = 0;`
`104`	`104`	`for (auto it : wl->srd_path2hashs_m)`
`105`	`105`	`{`
`106`	`106`	`for (auto g_hash : it.second)`
`@@ -118,7 +118,7 @@ crust_status_t get_signed_work_report(const char *block_hash, size_t block_heigh`
`118`	`118`	`else`
`119`	`119`	`{`
`120`	`120`	`srd_workload = (hashs_len / HASH_LENGTH) * 1024 * 1024 * 1024;`
`121`		`- sgx_sha256_msg(hashs, hashs_len, &srd_root);`
	`121`	`+ sgx_sha256_msg(hashs, (uint32_t)hashs_len, &srd_root);`
`122`	`122`	`}`
`123`	`123`	`free(hashs);`
`124`	`124`	`sgx_thread_mutex_unlock(&g_srd_mutex);`