1 files changed, 11 insertions, 0 deletions

diff --git a/src/eyetil.h b/src/eyetil.h
index 7517ba6..8784cb4 100644
--- a/src/eyetil.h
+++ b/src/eyetil.h
@@ -53,48 +53,59 @@ struct md5_digester {
 	}
     };
 
     template<typename T>
     update_iterator<T> updater() {
 	return update_iterator<T>(this);
     }
 
 };
 template<> inline void md5_digester::update<binary_t>(const binary_t& x) {
     update((const unsigned char*)&(x.front()),x.size());
 }
 
 #pragma pack(1)
 struct block512_t {
     enum { words = 512 / sizeof(uint16_t) };
     uint16_t data[words];
 
     inline uint8_t *dptr(size_t o) { return ((uint8_t*)this)+o; }
 
     static uint16_t tcpcksum(block512_t& data);
 };
 #pragma pack()
 
+struct integrity_digester {
+    md5_digester md5;
+    size_t data_size;
+    block512_t data;
+
+    integrity_digester() : data_size(0) { }
+    void update(const void *d,size_t s);
+    binary_t final(const std::string& ukey);
+};
+
+
 class tmpdir_t {
     public:
 	std::string dir;
 
 	tmpdir_t(const std::string& dt);
 	~tmpdir_t();
 
 	std::string get_file(const std::string& f);
 };
 
 class tarchive_t {
     public:
 	struct archive *a;
 	struct archive_entry *e;
 
 	tarchive_t(void *p,size_t s);
 	~tarchive_t();
 
 	bool read_next_header();
 
 	std::string entry_pathname();
 
 	bool read_data_into_fd(int fd);
 };