include/svl/PasswordHelper.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
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  19
  20 #ifndef INCLUDED_SVL_PASSWORDHELPER_HXX
  21 #define INCLUDED_SVL_PASSWORDHELPER_HXX
  22
  23 #include <sal/config.h>
  24
  25 #include <string_view>
  26
  27 #include <svl/svldllapi.h>
  28 #include <sal/types.h>
  29 #include <com/sun/star/uno/Sequence.hxx>
  30
  31 class SvPasswordHelper
  32 {
  33     static void     GetHashPasswordLittleEndian(css::uno::Sequence<sal_Int8>& rPassHash, std::u16string_view sPass);
  34     static void     GetHashPasswordBigEndian(css::uno::Sequence<sal_Int8>& rPassHash, std::u16string_view sPass);
  35
  36 public:
  37     SVL_DLLPUBLIC static void     GetHashPassword(css::uno::Sequence <sal_Int8>& rPassHash, const char* pPass, sal_uInt32 nLen);
  38
  39     SVL_DLLPUBLIC static void     GetHashPassword(css::uno::Sequence<sal_Int8>& rPassHash, std::u16string_view sPass);
  40     SVL_DLLPUBLIC static void     GetHashPasswordSHA1UTF8(css::uno::Sequence<sal_Int8>& rPassHash, std::u16string_view sPass);
  41     SVL_DLLPUBLIC static void     GetHashPasswordSHA256(css::uno::Sequence<sal_Int8>& rPassHash, std::u16string_view sPass);
  42     /**
  43     Use this method to compare a given string with another given Hash value.
  44     This is necessary, because in older versions exists different hashes of the same string. They were endian dependent.
  45     We need this to handle old files. This method will compare against big and
  46     little endian UTF-16.
  47     tdf#115483: also check 2 different new ways of hashing that were added in
  48     ODF 1.2, requiring UTF-8 encoding.
  49     */
  50     SVL_DLLPUBLIC static bool     CompareHashPassword(const css::uno::Sequence<sal_Int8>& rOldPassHash, std::u16string_view sNewPass);
  51 };
  52
  53 #endif
  54
  55 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */