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authorMichael Vogt <michael.vogt@ubuntu.com>2011-02-22 21:53:23 +0100
committerMichael Vogt <michael.vogt@ubuntu.com>2011-02-22 21:53:23 +0100
commit54ce88fd2669a729c89c940be3abc9456d19d542 (patch)
tree8f119d658a787b29e26bbdc126f3f5b3115cca7e /apt-pkg/contrib/sha512.h
parent2311b3fe66d77d5a8ed3ce4e0878e2b7ef109bd3 (diff)
add sha512 interface based on sha2 by aaron gifford
Diffstat (limited to 'apt-pkg/contrib/sha512.h')
-rw-r--r--apt-pkg/contrib/sha512.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/apt-pkg/contrib/sha512.h b/apt-pkg/contrib/sha512.h
new file mode 100644
index 000000000..960ff1f46
--- /dev/null
+++ b/apt-pkg/contrib/sha512.h
@@ -0,0 +1,68 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+// $Id: sha512.h,v 1.3 2001/05/07 05:05:47 jgg Exp $
+/* ######################################################################
+
+ SHA512SumValue - Storage for a SHA-512 hash.
+ SHA512Summation - SHA-512 Secure Hash Algorithm.
+
+ This is a C++ interface to a set of SHA512Sum functions, that mirrors
+ the equivalent MD5 & SHA1 classes.
+
+ ##################################################################### */
+ /*}}}*/
+#ifndef APTPKG_SHA512_H
+#define APTPKG_SHA512_H
+
+#include <string>
+#include <cstring>
+#include <algorithm>
+#include <stdint.h>
+
+#include "sha2.h"
+
+using std::string;
+using std::min;
+
+class SHA512Summation;
+
+class SHA512SumValue
+{
+ friend class SHA512Summation;
+ unsigned char Sum[64];
+
+ public:
+
+ // Accessors
+ bool operator ==(const SHA512SumValue &rhs) const;
+ string Value() const;
+ inline void Value(unsigned char S[64])
+ {for (int I = 0; I != sizeof(Sum); I++) S[I] = Sum[I];};
+ inline operator string() const {return Value();};
+ bool Set(string Str);
+ inline void Set(unsigned char S[64])
+ {for (int I = 0; I != sizeof(Sum); I++) Sum[I] = S[I];};
+
+ SHA512SumValue(string Str);
+ SHA512SumValue();
+};
+
+class SHA512Summation
+{
+ SHA512_CTX ctx;
+ unsigned char Sum[64];
+ bool Done;
+
+ public:
+
+ bool Add(const unsigned char *inbuf,unsigned long inlen);
+ inline bool Add(const char *Data) {return Add((unsigned char *)Data,strlen(Data));};
+ bool AddFD(int Fd,unsigned long Size);
+ inline bool Add(const unsigned char *Beg,const unsigned char *End)
+ {return Add(Beg,End-Beg);};
+ SHA512SumValue Result();
+
+ SHA512Summation();
+};
+
+#endif