// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: hashes.h,v 1.1 2001/03/06 07:15:29 jgg Exp $
+// $Id: hashes.h,v 1.2 2001/03/11 05:30:20 jgg Exp $
/* ######################################################################
Hashes - Simple wrapper around the hash functions
#ifndef APTPKG_HASHES_H
#define APTPKG_HASHES_H
-#ifdef __GNUG__
-#pragma interface "apt-pkg/hashesh.h"
-#endif
#include <apt-pkg/md5.h>
#include <apt-pkg/sha1.h>
+#include <apt-pkg/sha256.h>
+
+#include <algorithm>
+#include <vector>
+#include <cstring>
+
+using std::min;
+using std::vector;
+
+// helper class that contains hash function name
+// and hash
+class HashString
+{
+ protected:
+ string Type;
+ string Hash;
+ static const char * _SupportedHashes[10];
+
+ public:
+ HashString(string Type, string Hash);
+ HashString(string StringedHashString); // init from str as "type:hash"
+ HashString();
+
+ // get hash type used
+ string HashType() { return Type; };
+
+ // verify the given filename against the currently loaded hash
+ bool VerifyFile(string filename) const;
+
+ // helper
+ string toStr() const; // convert to str as "type:hash"
+ bool empty() const;
+
+ // return the list of hashes we support
+ static const char** SupportedHashes();
+};
class Hashes
{
MD5Summation MD5;
SHA1Summation SHA1;
+ SHA256Summation SHA256;
inline bool Add(const unsigned char *Data,unsigned long Size)
{
- MD5.Add(Data,Size);
- SHA1.Add(Data,Size);
+ return MD5.Add(Data,Size) && SHA1.Add(Data,Size) && SHA256.Add(Data,Size);
};
inline bool Add(const char *Data) {return Add((unsigned char *)Data,strlen(Data));};
bool AddFD(int Fd,unsigned long Size);