Microsoft Download Center Archive

Microsoft Internationalized Domain Names (IDN) Mitigation APIs 1.1

  • Published:
  • Version: 1.0
  • Category: Redistributable Component
  • Language: English

DLLs for internationalized domain name support, Unicode normalization, and mitigation support for spoofing identity threats.

The "Internationalized Domain Names Mitigation APIs" download includes several API functions to convert an IDN to different representations, as well as several API functions specifically intended to allow applications to mitigate some of the security risks presented by this technology. The functions IdnToAscii, IdnToUnicode, and IdnToNameprepUnicode each convert an IDN string to a particular form. The functions DownlevelGetLocaleScripts, DownlevelGetStringScripts, and DownlevelVerifyScripts allow applications to verify that the characters in a given IDN are drawn entirely from the scripts associated with a particular locale or locales. However, these functions are only helpers; applications have still to perform comprehensive threat modeling and create appropriate mitigation for these threats.

Also included are the Unicode normalization APIs IsNormalizedString and NormalizeString, which are used by the mitigation APIs.

Files

Status: Deleted

This download is no longer available on microsoft.com. The downloads below are archives provided by the Internet Archive Wayback Machine from the Microsoft Download Center prior to December 2015.

System Requirements

Operating Systems: Windows XP Service Pack 2, Windows Server 2003, Windows Server 2003 Service Pack 1, Windows Server 2003 Service Pack 1 for Itanium-based Systems, Datacenter Edition for 64-Bit Itanium-Based Systems, Enterprise Edition for Itanium-based Systems, Enterprise x64 Edition, Standard x64 Edition, Windows Server 2003 R2 Datacenter x64 Edition

Windows XP SP2 and higher.
Windows Server 2003 SP1 and higher.

Installation Instructions

1. In order to make use of the files included in this download, you must agree to the terms of the end user license agreement as documented in EULA.TXT.

2. Run the idndlpackage.exe and select where to download the contents, which contain the EULA, readme, header files, and executable packages to be used for redistribution.

note: For additional information and details about the APIs please refer to the included readme.rtf file

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