From 7ac56f8ffd5544c6c1f681f79cafbf72d37d0b82 Mon Sep 17 00:00:00 2001
From: Michael Vogt <michael.vogt@ubuntu.com>
Date: Fri, 25 Feb 2011 18:59:29 +0100
Subject: template based hashsum implementation

---
 apt-pkg/contrib/sha1.cc | 65 +++----------------------------------------------
 1 file changed, 3 insertions(+), 62 deletions(-)

(limited to 'apt-pkg/contrib/sha1.cc')

diff --git a/apt-pkg/contrib/sha1.cc b/apt-pkg/contrib/sha1.cc
index eae52d52f..0b1c16dc3 100644
--- a/apt-pkg/contrib/sha1.cc
+++ b/apt-pkg/contrib/sha1.cc
@@ -178,67 +178,6 @@ static void SHA1Transform(uint32_t state[5],uint8_t const buffer[64])
 }
 									/*}}}*/
 
-// SHA1SumValue::SHA1SumValue - Constructs the summation from a string  /*{{{*/
-// ---------------------------------------------------------------------
-/* The string form of a SHA1 is a 40 character hex number */
-SHA1SumValue::SHA1SumValue(string Str)
-{
-   memset(Sum,0,sizeof(Sum));
-   Set(Str);
-}
-
-									/*}}} */
-// SHA1SumValue::SHA1SumValue - Default constructor                     /*{{{*/
-// ---------------------------------------------------------------------
-/* Sets the value to 0 */
-SHA1SumValue::SHA1SumValue()
-{
-   memset(Sum,0,sizeof(Sum));
-}
-
-									/*}}} */
-// SHA1SumValue::Set - Set the sum from a string                        /*{{{*/
-// ---------------------------------------------------------------------
-/* Converts the hex string into a set of chars */
-bool SHA1SumValue::Set(string Str)
-{
-   return Hex2Num(Str,Sum,sizeof(Sum));
-}
-
-									/*}}} */
-// SHA1SumValue::Value - Convert the number into a string               /*{{{*/
-// ---------------------------------------------------------------------
-/* Converts the set of chars into a hex string in lower case */
-string SHA1SumValue::Value() const
-{
-   char Conv[16] =
-      { '0','1','2','3','4','5','6','7','8','9','a','b',
-      'c','d','e','f'
-   };
-   char Result[41];
-   Result[40] = 0;
-
-   // Convert each char into two letters
-   int J = 0;
-   int I = 0;
-   for (; I != 40; J++,I += 2)
-   {
-      Result[I] = Conv[Sum[J] >> 4];
-      Result[I + 1] = Conv[Sum[J] & 0xF];
-   }
-
-   return string(Result);
-}
-
-									/*}}} */
-// SHA1SumValue::operator == - Comparator                               /*{{{*/
-// ---------------------------------------------------------------------
-/* Call memcmp on the buffer */
-bool SHA1SumValue::operator == (const SHA1SumValue & rhs) const
-{
-   return memcmp(Sum,rhs.Sum,sizeof(Sum)) == 0;
-}
-									/*}}}*/
 // SHA1Summation::SHA1Summation - Constructor                           /*{{{*/
 // ---------------------------------------------------------------------
 /* */
@@ -290,11 +229,13 @@ SHA1SumValue SHA1Summation::Result()
 
    // Transfer over the result
    SHA1SumValue Value;
+   char res[20];
    for (unsigned i = 0; i < 20; i++)
    {
-      Value.Sum[i] = (unsigned char)
+      res[i] = (unsigned char)
 	 ((state[i >> 2] >> ((3 - (i & 3)) * 8)) & 255);
    }
+   Value.Set(res);
    return Value;
 }
 									/*}}}*/
-- 
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