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* Prevent timing attack, patch by Thaddy De Koning

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git-svn-id: trunk@32794 -
This commit is contained in:
michael 2015-12-30 10:04:41 +00:00
parent b7786d0849
commit d93babffde
1 changed files with 3 additions and 0 deletions
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3
packages/hash/src/sha1.pp
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@ -313,7 +313,10 @@ var
A: array[0..4] of Cardinal absolute Digest1; A: array[0..4] of Cardinal absolute Digest1;
B: array[0..4] of Cardinal absolute Digest2; B: array[0..4] of Cardinal absolute Digest2;
begin begin
{$push}
{$B+}
Result := (A[0] = B[0]) and (A[1] = B[1]) and (A[2] = B[2]) and (A[3] = B[3]) and (A[4] = B[4]); Result := (A[0] = B[0]) and (A[1] = B[1]) and (A[2] = B[2]) and (A[3] = B[3]) and (A[4] = B[4]);
{$pop}
end; end;
end. end.