releasing version 0.8.16~exp3

[apt.git] / apt-pkg / contrib / hashes.h

diff --git a/apt-pkg/contrib/hashes.h b/apt-pkg/contrib/hashes.h
index e00eaeb2d1877b295fe93665a602f43c279fd792..e702fcca2fd9459d2fd2e66f1b95aaf94bd764ca 100644 (file)
--- a/apt-pkg/contrib/hashes.h
+++ b/apt-pkg/contrib/hashes.h
@@ -1,6 +1,6 @@
 // -*- 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
@@ -13,12 +13,45 @@
 #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/sha2.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
 {
@@ -26,14 +59,18 @@ class Hashes
 
    MD5Summation MD5;
    SHA1Summation SHA1;
+   SHA256Summation SHA256;
+   SHA512Summation SHA512;
    
    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) && SHA512.Add(Data,Size);
    };
    inline bool Add(const char *Data) {return Add((unsigned char *)Data,strlen(Data));};
-   bool AddFD(int Fd,unsigned long Size);
+   inline bool AddFD(int const Fd,unsigned long Size = 0)
+   { return AddFD(Fd, Size, true, true, true, true); };
+   bool AddFD(int const Fd, unsigned long Size, bool const addMD5,
+             bool const addSHA1, bool const addSHA256, bool const addSHA512);
    inline bool Add(const unsigned char *Beg,const unsigned char *End) 
                   {return Add(Beg,End-Beg);};
 };