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A Framework for Short Tweak Tweakable Block Cipher
Elastic-Tweak: A Framework for Short Tweak Tweakable Block Cipher Avik Chakraborti1, Nilanjan Datta2, Ashwin Jha2, Cuauhtemoc Mancillas Lopez3, Mridul Nandi2, Yu Sasaki1 1 NTT Secure Platform Laboratories, Japan 2 Indian Statistical Institute, Kolkata, India 3 Computer Science Department, CINVESTAV-IPN, Mexico [email protected], nilanjan isi [email protected], [email protected], [email protected], [email protected], [email protected] Abstract. Tweakable block cipher (TBC), a stronger notion than stan- dard block ciphers, has wide-scale applications in symmetric-key schemes. At a high level, it provides flexibility in design and (possibly) better security bounds. In multi-keyed applications, a TBC with short tweak values can be used to replace multiple keys. However, the existing TBC construction frameworks, including TWEAKEY and XEX, are designed for general purpose tweak sizes. Specifically, they are not optimized for short tweaks, which might render them inefficient for certain resource constrained applications. So a dedicated paradigm to construct short- tweak TBCs (tBC) is highly desirable. In this paper, we present a ded- icated framework, called the Elastic-Tweak framework (ET in short), to convert any reasonably secure SPN block cipher into a secure tBC. We apply the ET framework on GIFT and AES to construct efficient tBCs, named TweGIFT and TweAES. We present hardware and software results to show that the performance overheads for these tBCs are minimal. We perform comprehensive security analysis and observe that TweGIFT and TweAES provide sufficient security without any increase in the number of block cipher rounds when compared to GIFT and AES. -
Implementation Guide for the Sending of TOEFL Testing Results Using Transaction Set 138
VERSION 1 Implementation Guide for the Sending of TOEFL Testing Results Using Transaction Set 138 Segment Layout and Detail for Segments and Data Elements Used When Sending TOEFL Testing Results from ETS to Educational Institutions Appendix A: List of Countries and Their Codes Appendix B: List of Languages and Their Codes Appendix C: List of Subtests and Their Codes Appendix D: Sample TOEFL Score Report Using TS 138 Format Appendix E: TOEFL Tape Layout Mapped to TS 138 Format Prepared for the Educational Testing Service by the Postsecondary Electronic Standards Council DECEMBER 1997 138 Educational Testing Results Request and Report Functional Group = TT Purpose: This Draft Standard for Trial Use contains the format and establishes the data contents of the Testing Results Request and Report Transaction Set (138) for use within the context of an Electronic Data Interchange (EDI) environment. This standard can be used to request and receive the results of testing programs by educational institutions and employers. This information includes one test- taker's identification, test identification, testing conditions, scoring results, and test normalization analysis including national, regional, and local norms. Although TS 138 can accommodate the request for and transmission of various testing results—ACT, SAT, GRE, and GMAT, for example—this particular implementation guide can be used for sending TOEFL testing results only. The Segment Summary contains all the segments in the X12 transaction set, but only those segments marked with “*” are used in reporting TOEFL test results. The subset of segment and data element details contained in this implementation guide accommodate all requirements to report TOEFL testing results. -
Unicode Request for Cyrillic Modifier Letters Superscript Modifiers
Unicode request for Cyrillic modifier letters L2/21-107 Kirk Miller, [email protected] 2021 June 07 This is a request for spacing superscript and subscript Cyrillic characters. It has been favorably reviewed by Sebastian Kempgen (University of Bamberg) and others at the Commission for Computer Supported Processing of Medieval Slavonic Manuscripts and Early Printed Books. Cyrillic-based phonetic transcription uses superscript modifier letters in a manner analogous to the IPA. This convention is widespread, found in both academic publication and standard dictionaries. Transcription of pronunciations into Cyrillic is the norm for monolingual dictionaries, and Cyrillic rather than IPA is often found in linguistic descriptions as well, as seen in the illustrations below for Slavic dialectology, Yugur (Yellow Uyghur) and Evenki. The Great Russian Encyclopedia states that Cyrillic notation is more common in Russian studies than is IPA (‘Transkripcija’, Bol’šaja rossijskaja ènciplopedija, Russian Ministry of Culture, 2005–2019). Unicode currently encodes only three modifier Cyrillic letters: U+A69C ⟨ꚜ⟩ and U+A69D ⟨ꚝ⟩, intended for descriptions of Baltic languages in Latin script but ubiquitous for Slavic languages in Cyrillic script, and U+1D78 ⟨ᵸ⟩, used for nasalized vowels, for example in descriptions of Chechen. The requested spacing modifier letters cannot be substituted by the encoded combining diacritics because (a) some authors contrast them, and (b) they themselves need to be able to take combining diacritics, including diacritics that go under the modifier letter, as in ⟨ᶟ̭̈⟩BA . (See next section and e.g. Figure 18. ) In addition, some linguists make a distinction between spacing superscript letters, used for phonetic detail as in the IPA tradition, and spacing subscript letters, used to denote phonological concepts such as archiphonemes. -
+1. Introduction 2. Cyrillic Letter Rumanian Yn
MAIN.HTM 10/13/2006 06:42 PM +1. INTRODUCTION These are comments to "Additional Cyrillic Characters In Unicode: A Preliminary Proposal". I'm examining each section of that document, as well as adding some extra notes (marked "+" in titles). Below I use standard Russian Cyrillic characters; please be sure that you have appropriate fonts installed. If everything is OK, the following two lines must look similarly (encoding CP-1251): (sample Cyrillic letters) АабВЕеЗКкМНОопРрСсТуХхЧЬ (Latin letters and digits) Aa6BEe3KkMHOonPpCcTyXx4b 2. CYRILLIC LETTER RUMANIAN YN In the late Cyrillic semi-uncial Rumanian/Moldavian editions, the shape of YN was very similar to inverted PSI, see the following sample from the Ноул Тестамент (New Testament) of 1818, Neamt/Нямец, folio 542 v.: file:///Users/everson/Documents/Eudora%20Folder/Attachments%20Folder/Addons/MAIN.HTM Page 1 of 28 MAIN.HTM 10/13/2006 06:42 PM Here you can see YN and PSI in both upper- and lowercase forms. Note that the upper part of YN is not a sharp arrowhead, but something horizontally cut even with kind of serif (in the uppercase form). Thus, the shape of the letter in modern-style fonts (like Times or Arial) may look somewhat similar to Cyrillic "Л"/"л" with the central vertical stem looking like in lowercase "ф" drawn from the middle of upper horizontal line downwards, with regular serif at the bottom (horizontal, not slanted): Compare also with the proposed shape of PSI (Section 36). 3. CYRILLIC LETTER IOTIFIED A file:///Users/everson/Documents/Eudora%20Folder/Attachments%20Folder/Addons/MAIN.HTM Page 2 of 28 MAIN.HTM 10/13/2006 06:42 PM I support the idea that "IA" must be separated from "Я". -
Technical Reference Manual for the Standardization of Geographical Names United Nations Group of Experts on Geographical Names
ST/ESA/STAT/SER.M/87 Department of Economic and Social Affairs Statistics Division Technical reference manual for the standardization of geographical names United Nations Group of Experts on Geographical Names United Nations New York, 2007 The Department of Economic and Social Affairs of the United Nations Secretariat is a vital interface between global policies in the economic, social and environmental spheres and national action. The Department works in three main interlinked areas: (i) it compiles, generates and analyses a wide range of economic, social and environmental data and information on which Member States of the United Nations draw to review common problems and to take stock of policy options; (ii) it facilitates the negotiations of Member States in many intergovernmental bodies on joint courses of action to address ongoing or emerging global challenges; and (iii) it advises interested Governments on the ways and means of translating policy frameworks developed in United Nations conferences and summits into programmes at the country level and, through technical assistance, helps build national capacities. NOTE The designations employed and the presentation of material in the present publication do not imply the expression of any opinion whatsoever on the part of the Secretariat of the United Nations concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries. The term “country” as used in the text of this publication also refers, as appropriate, to territories or areas. Symbols of United Nations documents are composed of capital letters combined with figures. ST/ESA/STAT/SER.M/87 UNITED NATIONS PUBLICATION Sales No. -
A Guide to the Implementation of Electronic Transcripts and Student Records
A Guide to the Implementation of Electronic Transcripts and Student Records SPEEDE Committee of the American Association of Collegiate Registrars and Admissions Officers and the Postsecondary Electronics Standards Council April 1998 Introduction For the educational community to achieve the timely, uniform, and comparable exchange of information about students, electronic data interchange (EDI) standards have been developed for · elementary/secondary schools · postsecondary schools · state and federal education agencies · student data providers and other third parties · commercial software vendors Uniform implementation among these trading partners is critical. The purpose of this implementation guide is to give guidance on how the student educational record transaction sets should be implemented. This implementation guide is based on the December 1997 American National Standards Institute Accredited Standards Committee (ANSI ASC) X12 Version 4 Release 1 (00401, often referred to as “4010”) transaction sets: · 130 Student Educational Record (Transcript) · 131 Student Educational Record (Transcript) Acknowledgment · 146 Request for Student Educational Record (Transcript) · 147 Response to Request for Student Educational Record (Transcript) · 997 Functional Acknowledgment This postsecondary edition of the implementation guide is intended for the postsecondary implementor for exchanging transcripts with other postsecondary institutions and receiving student records from high schools. About the Authors The SPEEDE Committee of the American Association of Collegiate Registrars and Admissions Officers authored this guide in cooperation with the Statistical Networking Applications Project (SNAP) of the National Center for Education Statistics, US Department of Education. Members of the SPEEDE Committee share their personal expertise and experience to provide as informational yet streamlined a guide as possible. The authors make this postsecondary edition available on the World Wide Web at www.standardscouncil.org/transsets.htm. -
Arachnid Types in the Zoological Museum, Moscow State University. I
Arthropoda Selecta 25(3): 327–334 © ARTHROPODA SELECTA, 2016 Arachnid types in the Zoological Museum, Moscow State University. I. Opiliones (Arachnida) Òèïû ïàóêîîáðàçíûõ â Çîîëîãè÷åñêîì ìóçåå ÌÃÓ. I. Opiliones (Arachnida) Kirill G. Mikhailov Ê.Ã. Ìèõàéëîâ Zoological Museum MGU, Bolshaya Nikitskaya Str. 2, Moscow 125009 Russia. E-mail: [email protected] Зоологический музей МГУ, ул. Большая Никитская, 2, Москва 125009 Россия. KEY WORDS: arachnids, harvestmen, museum collections, types, holotypes, paratypes. КЛЮЧЕВЫЕ СЛОВА: паукообразные, сенокосцы, музейные коллекции, типы, голотипы, паратипы. ABSTRACT: A list is provided of 19 holotypes pod types, as well as most of the crustacean types have and 92 paratypes belonging to 25 species of Opiliones. never enjoyed published catalogues. They represent 14 genera and 5 families (Ischyropsali- Traditionally, the following handwritten informa- dae, Nemastomatidae, Phalangiidae, Sabaconidae, tion sources are accepted in the Museum, at least so Trogulidae) and are kept in the Zoological Museum of since the 1930’s: (1) department acquisition book (Fig. the Moscow State University. Other repositories hous- 1), (2) numerous inventory books on diverse inverte- ing the remaining types of the respective species are brate groups (see Fig. 2 for Opiliones), and (3) type listed as well. cards (Fig. 3). Regrettably, only a small part of this information has been digitalized. РЕЗЮМЕ: Представлен список 19 голотипов и This paper starts a series of lists/catalogues of arach- 92 паратипов, относящихся к 25 видам сенокосцев nid types kept at the Museum. The arachnid collection (Opiliones). Они принадлежат к 14 родам и 5 семей- considered was founded in the 1860’s and presently ствам (Ischyropsalidae, Nemastomatidae, Phalangiidae, contains more than 200,000 specimens of arachnids Sabaconidae, Trogulidae) и хранятся в Зоологичес- alone, Acari excluded [Mikhailov, 2016]. -
Old Cyrillic in Unicode*
Old Cyrillic in Unicode* Ivan A Derzhanski Institute for Mathematics and Computer Science, Bulgarian Academy of Sciences [email protected] The current version of the Unicode Standard acknowledges the existence of a pre- modern version of the Cyrillic script, but its support thereof is limited to assigning code points to several obsolete letters. Meanwhile mediæval Cyrillic manuscripts and some early printed books feature a plethora of letter shapes, ligatures, diacritic and punctuation marks that want proper representation. (In addition, contemporary editions of mediæval texts employ a variety of annotation signs.) As generally with scripts that predate printing, an obvious problem is the abundance of functional, chronological, regional and decorative variant shapes, the precise details of whose distribution are often unknown. The present contents of the block will need to be interpreted with Old Cyrillic in mind, and decisions to be made as to which remaining characters should be implemented via Unicode’s mechanism of variation selection, as ligatures in the typeface, or as code points in the Private space or the standard Cyrillic block. I discuss the initial stage of this work. The Unicode Standard (Unicode 4.0.1) makes a controversial statement: The historical form of the Cyrillic alphabet is treated as a font style variation of modern Cyrillic because the historical forms are relatively close to the modern appearance, and because some of them are still in modern use in languages other than Russian (for example, U+0406 “I” CYRILLIC CAPITAL LETTER I is used in modern Ukrainian and Byelorussian). Some of the letters in this range were used in modern typefaces in Russian and Bulgarian. -
1. Introduction
ISO/IEC JTC1/SC2/WG2 N4162 Universal Multiple-Octet Coded Character Set International Organization for Standardization Organisation Internationale de Normalisation Международная организация по стандартизации Doc Type: Working Group Document Title: Revised proposal to encode Latin letters used in the Former Soviet Union Authors: Nurlan Joomagueldinov, Karl Pentzlin, Ilya Yevlampiev Status: Expert Contribution Action: For consideration by JTC1/SC2/WG2 and UTC Date: 2012-01-29 Supersedes: L2/11-360, WG2 N4162 – Two characters were added for Komi-Permyak (LATIN CAPITAL/SMALL LETTER ZE WITH DESCENDER). – The LATIN SMALL LETTER CAUCASIAN LONG S was disunified from U+017F LATIN SMALL LETTER LONG S (see the remark in the list of proposed characters at U+AB89). – Some issues raised in L2/11-422 are addressed in the text (especially, section 2.1.1 "Descender vs. cedilla" was added). Terminology used in this document: "Descender" refers to the specially formed appendage on letters like the one in the already encoded letter U+A790 LATIN CAPITAL LETTER N WITH DESCENDER. "Typographical descender" refers to the part of a letter below the baseline, thus resembling the term "descender" as used in typography. 1. Introduction In the wake of the October Revolution of 1917 in Russia, alphabetization of the people living in the then formed Soviet Union became an important point of the political agenda. At that time, some languages spoken in the Soviet Union had no standardized orthography at all, while others (especially in areas where the Islam was the predominant religion) used the Arabic script. As most of these orthographies did not reflect the phonetics of these languages very well, and as the Arabic script was considered unnecessarily difficult by some due to its structure, for most of the non-Slavic languages it was decided to design new orthographies from scratch. -
The Case of Robert Gober = Der Fall Robert Gober
The case of Robert Gober = Der Fall Robert Gober Autor(en): Liebmann, Lisa / Nansen Objekttyp: Article Zeitschrift: Parkett : the Parkett series with contemporary artists = Die Parkett- Reihe mit Gegenwartskünstlern Band (Jahr): - (1989) Heft 21: Collaboration Alex Katz PDF erstellt am: 27.09.2021 Persistenter Link: http://doi.org/10.5169/seals-680389 Nutzungsbedingungen Die ETH-Bibliothek ist Anbieterin der digitalisierten Zeitschriften. Sie besitzt keine Urheberrechte an den Inhalten der Zeitschriften. Die Rechte liegen in der Regel bei den Herausgebern. Die auf der Plattform e-periodica veröffentlichten Dokumente stehen für nicht-kommerzielle Zwecke in Lehre und Forschung sowie für die private Nutzung frei zur Verfügung. Einzelne Dateien oder Ausdrucke aus diesem Angebot können zusammen mit diesen Nutzungsbedingungen und den korrekten Herkunftsbezeichnungen weitergegeben werden. Das Veröffentlichen von Bildern in Print- und Online-Publikationen ist nur mit vorheriger Genehmigung der Rechteinhaber erlaubt. Die systematische Speicherung von Teilen des elektronischen Angebots auf anderen Servern bedarf ebenfalls des schriftlichen Einverständnisses der Rechteinhaber. Haftungsausschluss Alle Angaben erfolgen ohne Gewähr für Vollständigkeit oder Richtigkeit. Es wird keine Haftung übernommen für Schäden durch die Verwendung von Informationen aus diesem Online-Angebot oder durch das Fehlen von Informationen. Dies gilt auch für Inhalte Dritter, die über dieses Angebot zugänglich sind. Ein Dienst der ETH-Bibliothek ETH Zürich, Rämistrasse 101, 8092 Zürich, Schweiz, www.library.ethz.ch http://www.e-periodica.ch L/Sd T/.EÄAMAGV THE BOBESZ GOBER, ZWZZTZED (7M/R OES/AOLS',)/OHNE TITEL (ZWEI BECKEN), 1985, PZASTBR, WOOD, R7RZZA7Z/, SPEEZ, SSM/- CASE OF GZOSS RAMMBZ PA/AIP, 2 P/SCSS/ GIPS, HOLZ, MASCHENDRAHT, STAHL, SEIDENGLANZ-EMAILFARBE, 2-TEILIG, OKERAZZ/ ZUSAMMEN: 50x 54*27 "/ 76 x213 x 68 cm. -
Tu; ?F/75 a Zerctctme Detector for Nuclear
TU; ?F/75 A ZERCTCTME DETECTOR FOR NUCLEAR FRAO1ENTS US I! IG CHANNEL FLECTRnN MULTIPLIER PLATES Bo Sundqvist Tanden Accelerator Laboratory, Uppsala, Sweden •Hr '.vACT: . *-. literature on zerotime detectors which use the emission of ". ocndary electrons from a thin foil is reviewed. The construction • a zerotiine detector using multiplication of the secondary •,'2Ctrons with two Mallard channel electron multiplier-plates (CEMP) •.' tandem is described. Results of tests of such a detector with a particles from a natural a source are given. Tstal time resolutions of about 200 ps (FVHM) with a Si(Sb) detector as the stop detector has been achieved. The contribution from the zerotiine detector is estimated to be less than 150 ps (FVJW). The application of this detector technique to the construction of a heavy-ion spectrometer o and a Be detector is discussed. This work was supported by the 9wedish Atomic Research Council CONTENTS 1 INTRODUCTION 3 2 A REVIEW OF THE LITERATURE ON ZEROTIME DETECTORS USING 5 THIN ELECTRON EMITTING FOILS 3 THE CHANNEL ELECTRON HiLTTPLTER PLATE (CEHP), AND ITS 8 USE IN ZEROTIME DETECTORS i* THE CONSTRUCTION OF A ZEROTIME DETECTOR USING CEMP 10 MULTIPLICATION OF SECONDARY EMITTED ELECTRONS FROM A THEN FOIL 5 TESTS OF THE SEEZT-DETECTOF. AND DISCUSSION OF RESULTS lu 6 FUTURE APPLICATIONS OF THIS DETECTOR TECHNIQUE 17 ACKNOWLEDGEMENTS 19 REFERENCES 20 TABLE CAPTIONS 22 TÄBIZS 23 FIGURE CAPTIONS 25 FIGURES 25 1 INTRODUCTION The interest has recently been growing rapidly in the corrlex nuclear reactions in which the ingoing particles induce neny different reactions. To be able to study a particular reaction the fragments produced must be identified, i e the ness (M) the nuclear charge (Z) and the energy (E) of the different fragRjents have to be determined. -
5892 Cisco Category: Standards Track August 2010 ISSN: 2070-1721
Internet Engineering Task Force (IETF) P. Faltstrom, Ed. Request for Comments: 5892 Cisco Category: Standards Track August 2010 ISSN: 2070-1721 The Unicode Code Points and Internationalized Domain Names for Applications (IDNA) Abstract This document specifies rules for deciding whether a code point, considered in isolation or in context, is a candidate for inclusion in an Internationalized Domain Name (IDN). It is part of the specification of Internationalizing Domain Names in Applications 2008 (IDNA2008). Status of This Memo This is an Internet Standards Track document. This document is a product of the Internet Engineering Task Force (IETF). It represents the consensus of the IETF community. It has received public review and has been approved for publication by the Internet Engineering Steering Group (IESG). Further information on Internet Standards is available in Section 2 of RFC 5741. Information about the current status of this document, any errata, and how to provide feedback on it may be obtained at http://www.rfc-editor.org/info/rfc5892. Copyright Notice Copyright (c) 2010 IETF Trust and the persons identified as the document authors. All rights reserved. This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without warranty as described in the Simplified BSD License.