Reorganize SHA1 checksum code.
diff --git a/lib/bcc/Sha1Helper.h b/lib/bcc/Sha1Helper.h
new file mode 100644
index 0000000..6ebf967
--- /dev/null
+++ b/lib/bcc/Sha1Helper.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2010, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef BCC_SHA1HELPER_H
+#define BCC_SHA1HELPER_H
+
+#include <stdint.h>
+
+namespace bcc {
+ extern unsigned char sha1LibBCC[20];
+ extern unsigned char sha1LibRS[20];
+
+ extern char const *pathLibBCC;
+ extern char const *pathLibRS;
+
+ void calcSHA1(unsigned char *result, char const *data, size_t size);
+
+ void calcFileSHA1(unsigned char *result, char const *filename);
+}
+
+#endif // BCC_SHA1HELPER_H