include/svl/PasswordHelper.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  19
  20 #ifndef INCLUDED_SVL_PASSWORDHELPER_HXX
  21 #define INCLUDED_SVL_PASSWORDHELPER_HXX
  22
  23 #include <svl/svldllapi.h>
  24 #include <sal/types.h>
  25 #include <com/sun/star/uno/Sequence.hxx>
  26
  27 class SvPasswordHelper
  28 {
  29     static void     GetHashPasswordLittleEndian(css::uno::Sequence<sal_Int8>& rPassHash, const OUString& sPass);
  30     static void     GetHashPasswordBigEndian(css::uno::Sequence<sal_Int8>& rPassHash, const OUString& sPass);
  31
  32 public:
  33     SVL_DLLPUBLIC static void     GetHashPassword(css::uno::Sequence <sal_Int8>& rPassHash, const sal_Char* pPass, sal_uInt32 nLen);
  34
  35     SVL_DLLPUBLIC static void     GetHashPassword(css::uno::Sequence<sal_Int8>& rPassHash, const OUString& sPass);
  36     SVL_DLLPUBLIC static void     GetHashPasswordSHA1UTF8(css::uno::Sequence<sal_Int8>& rPassHash, const OUString& sPass);
  37     SVL_DLLPUBLIC static void     GetHashPasswordSHA256(css::uno::Sequence<sal_Int8>& rPassHash, const OUString& sPass);
  38     /**
  39     Use this method to compare a given string with another given Hash value.
  40     This is necessary, because in older versions exists different hashes of the same string. They were endian dependent.
  41     We need this to handle old files. This method will compare against big and
  42     little endian UTF-16.
  43     tdf#115483: also check 2 different new ways of hashing that were added in
  44     ODF 1.2, requiring UTF-8 encoding.
  45     */
  46     SVL_DLLPUBLIC static bool     CompareHashPassword(const css::uno::Sequence<sal_Int8>& rOldPassHash, const OUString& sNewPass);
  47 };
  48
  49 #endif
  50
  51 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */