[PATCH 33/47] libsemanage: use size_t for hash input sizes

[Christian Göttsche <cgoettsche@xxxxxxxxxxxxx>]

From: Christian Göttsche <cgzones@xxxxxxxxxxxxxx>

It's unlikely any input will every be bigger than 4G, but avoid any
potential truncation regardless.

Signed-off-by: Christian Göttsche <cgzones@xxxxxxxxxxxxxx>
---
 libsemanage/src/modules.c | 5 +----
 libsemanage/src/sha256.c  | 4 ++--
 libsemanage/src/sha256.h  | 4 ++--
 3 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/libsemanage/src/modules.c b/libsemanage/src/modules.c
index e6a47362..e569b98d 100644
--- a/libsemanage/src/modules.c
+++ b/libsemanage/src/modules.c
@@ -996,7 +996,6 @@ int semanage_module_compute_checksum(semanage_handle_t *sh,
 				     size_t *checksum_len)
 {
 	semanage_module_info_t *extract_info = NULL;
-	Sha256Context context;
 	SHA256_HASH sha256_hash;
 	char *checksum_str;
 	void *data;
@@ -1018,9 +1017,7 @@ int semanage_module_compute_checksum(semanage_handle_t *sh,
 	semanage_module_info_destroy(sh, extract_info);
 	free(extract_info);
 
-	Sha256Initialise(&context);
-	Sha256Update(&context, data, data_len);
-	Sha256Finalise(&context, &sha256_hash);
+	Sha256Calculate(data, data_len, &sha256_hash);
 
 	munmap(data, data_len);
 
diff --git a/libsemanage/src/sha256.c b/libsemanage/src/sha256.c
index 79664138..9daac285 100644
--- a/libsemanage/src/sha256.c
+++ b/libsemanage/src/sha256.c
@@ -180,7 +180,7 @@ void
     (
         Sha256Context*      Context,        // [in out]
         void const*         Buffer,         // [in]
-        uint32_t            BufferSize      // [in]
+        size_t              BufferSize      // [in]
     )
 {
     uint32_t n;
@@ -282,7 +282,7 @@ void
     Sha256Calculate
     (
         void  const*        Buffer,         // [in]
-        uint32_t            BufferSize,     // [in]
+        size_t              BufferSize,     // [in]
         SHA256_HASH*        Digest          // [in]
     )
 {
diff --git a/libsemanage/src/sha256.h b/libsemanage/src/sha256.h
index 406ed869..fbabd1f8 100644
--- a/libsemanage/src/sha256.h
+++ b/libsemanage/src/sha256.h
@@ -58,7 +58,7 @@ void
     (
         Sha256Context*      Context,        // [in out]
         void const*         Buffer,         // [in]
-        uint32_t            BufferSize      // [in]
+        size_t              BufferSize      // [in]
     );
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -84,6 +84,6 @@ void
     Sha256Calculate
     (
         void  const*        Buffer,         // [in]
-        uint32_t            BufferSize,     // [in]
+        size_t              BufferSize,     // [in]
         SHA256_HASH*        Digest          // [in]
     );
-- 
2.45.2