Securely obfuscating re-encryption

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August undefined, 2024

WebWhereas other positive obfuscation results in the standard model apply to very simple point functions, our obfuscation result applies to the significantly more complicated and widely …

MIT CSAIL Research Abstracts

WebSecurely Obfuscating Re-encryption Susan Hohenberger 1, 2 , Guy N. Rothblum 3, , abhi shelat 2 , and Vinod Vaikuntanathan 3, 1 Johns Hopkins University [email protected] 2 IBM … Web1.2 The Obfuscated Re-Encryption Scheme Comparison with Prior Work. Mambo and Okamoto [MO97] noted the pop-ularity of re-encryption programs in practical … organizing under bathroom vanity

Indistinguishability Obfuscation from Functional Encryption

Web26 Jun 2024 · In particular we obtain: public key encryption, short "hash-and-sign" selectively secure signatures, chosen-ciphertext secure public key encryption, non-interactive zero knowledge proofs (NIZKs ... WebSecurely Obfuscating Re-Encryption Guy Rothblum , Susan Hohenberger , Abhi Shelat , Vinod Vaikuntanathan J. Cryptology February 2007 , Vol 24 (4): pp. 694-719 Download BibTex We present the first positive obfuscation result for a … Web8 Sep 2010 · Securely Obfuscating Re-Encryption. Susan Hohenberger, Guy N. Rothblum, Abhi Shelat &. Vinod Vaikuntanathan. Journal of Cryptology 24 , 694–719 ( 2011) Cite … how to use screentogif

Secure Obfuscation of a Two-Step Oblivious Signature

Secure Obfuscation for Encrypted Signatures SpringerLink

WebJ. Cryptol. (2011) 24: 694–719 DOI: 10.1007/s00145-010-9077-7 Securely Obfuscating Re-Encryption∗ Susan Hohenberger† Johns Hopkins University, Baltimore, MD 21218, USA … WebA new re-encryption function which can be securely obfuscated and supports multi-use transfer is proposed and the decryption of the second level cipher texts does not need … how to use screentones in cspWeb1 Jan 2007 · The security requirement of obfuscation is defined by the indistinguishability between the obfuscation output and a real re-encryption oracle. The case that receiver Bob be the distinguisher is... organizing using hypermedia api

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Securely obfuscating re-encryption

Lattice-based obfuscation for re-encryption functions

WebWe first introduce the notion of Randomized Functional Encryption (RFE), a generalization of Functional Encryption dealing with randomized functionalities of interest in its own right, … Web23 May 2011 · Obfuscating programs has been a fascinating area of theoretical cryptography in recent years. Hohenberger et al. in TCC'07 and Hada in EUROCRYPT'10 showed that re-encryption and encrypted signature are obfuscateable and their constructions are dedicated and the security proofs are complicated.

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WebCiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): We present a positive obfuscation result for a traditional cryptographic functionality. This positive result stands in contrast to well-known impossibility results [3] for general obfuscation and recent impossibility and improbability [13] results for obfuscation of many cryptographic … WebSecurely Obfuscating Re-encryption Susan Hohenberger1,2, Guy N. Rothblum3, abhi shelat2, and Vinod Vaikuntanathan3, 1 Johns Hopkins University [email protected] 2 IBM …

WebPaper: Securely Obfuscating Re-Encryption. Authors: Susan Hohenberger Guy N. Rothblum Abhi Shelat Vinod Vaikuntanathan: Download: DOI: 10.1007/s00145-010-9077-7 Search … Web24 Aug 2012 · Encryption involves storing some secret data, and the security of the secret data depends on keeping a separate "key" safe from the bad guys. Obfuscation is hiding …

WebRecently, Hohenberger et al. got a result of securely obfuscating re-encryption [20], which is the ﬁrst positive result for obfuscating an encryption functionality and against a series of impossibility results [18,16,4]. Since the introduction … WebHohenberger et al. got a result of securely obfuscating re-encryption [20], which is the ﬁrst positive result for obfuscating an encryption functionality and against a series of impossibility results [18, 16, 4]. Since the introduction of PRE by Blaze, Bleumer, and Strauss [6], there have been many papers [6, 21, 2,

WebWe present a positive obfuscation result for a traditional cryptographic functionality. This positive result stands in contrast to well-known impossibility results (Barak et al. in …

WebObfuscation is one of the most intriguing open problems in cryptography and only a few positive results are known. In TCC’07, Hohenberger et al. proposed an obfuscator for a re-encryption functionality, which takes a ciphertext for a message encrypted under Alice’s … organizing user manualsWebA facility operating in a first mobile communication device (MCD) is described. The facility generates a key pair made up of a private key and a public key for use by the first MCD in communicating with other MCDs. The public key has information content. The facility constructs a first public key component and a second public key component, that each … how to use screen time on iphoneWebCiteSeerX — Securely Obfuscating Re-encryption CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract. We present the first positive obfuscation result for a traditional cryptographic functionality. how to use screwWeb21 Feb 2007 · This paper construct a new re-encryption function and securely obfuscate it based on the standard learning with error LWE assumption, which is proved to be … how to use screenwashWeb19 Nov 2024 · Securely obfuscating re-encryption. J. Cryptol. 24, 4 (2011), 694--719. Google Scholar Digital Library; Yuval Ishai and Eyal Kushilevitz. 2000. Randomizing polynomials: A new representation with applications to round-efficient secure computation. In Proceedings of the Annual Symposium on Foundations of Computer Science (FOCS’00). organizing using a bar code scannerWebSecurely Obfuscating Re-Encryption; The Gödel Prize 2024 - Call for Nominatonn; Obfuscating Compute-And-Compare Programs Under LWE; October 1983 Table of … how to use screw anchors for drywallWebCiteSeerX — Securely Obfuscating Re-encryption CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): We present a positive obfuscation result for a traditional cryptographic functionality. organizing usecases in uml