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public-key cipher system

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... Re-Encryption system is to securely enable the re-encryption of cipher texts from one key to another, without relying on trusted ...- cipher text encrypted under one key into an ...

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A Crypto-Graphical Approach for Secured Data Sharing in Cloud Storage

A Crypto-Graphical Approach for Secured Data Sharing in Cloud Storage

... (HIBE) system where the cipher-text consists of just three group elements and decryption requires only two bilinear map computations, regardless of the hierarchy ...Our system has a number of ...

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Generating Content Searchable Cipher Texts with Semantic Security

Generating Content Searchable Cipher Texts with Semantic Security

... of cipher texts will stays confidential as local privacy only keeps new generated cipher texts relationships ...generated cipher text as structure is independent on old ...searchable public ...

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Key-aggregate Cryptosystem for reliable data Outsourcing among Cloud Storage

Key-aggregate Cryptosystem for reliable data Outsourcing among Cloud Storage

... the public system parameter through Setup and generates a public/master-secret key pair through ...constant cipher text class index towards to reduce the no of Class index files for ...

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Encompassing the Power of Data from Different Clients Hosted on Separate Networks

Encompassing the Power of Data from Different Clients Hosted on Separate Networks

... A key-aggregate encryption scheme consists of five polynomial-time algorithms as ...the public system parameter via Setup and generates a public/master-secret3 key pair via ...what ...

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Analysis of homomorphic crypto systems

Analysis of homomorphic crypto systems

... the key or original text with the knowledge cipher ...any public key crypto system based on hardness of mathematical problem ...secret key. Hence the security of the crypto ...

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A SECURE ARCHITECTURE FOR ENHANCED KEY AGGREGATION CRYPTO SYSTEM

A SECURE ARCHITECTURE FOR ENHANCED KEY AGGREGATION CRYPTO SYSTEM

... decrypt key is more secure in the sense that allows the decryption of multiple cipher texts, without changing its ...of key i.e., Public-Key cryptosystem or key aggregate ...

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Stream Cipher by Reed-Solomon Codes

Stream Cipher by Reed-Solomon Codes

... Stream cipher can be used in constrained environments to provide infor- mation security and reduce energy expense at data ...stream cipher, which is widely used for error corrections of data in transmission ...

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SHARING POTENTIAL ENLARGING DATA IN CLOUD STORAGE WITH ENHANCED KEY AGGREGATION

SHARING POTENTIAL ENLARGING DATA IN CLOUD STORAGE WITH ENHANCED KEY AGGREGATION

... Cryptographic key undertaking schemes ...a key for a given branch can be used to derive the keys of its descendant nodes (however no longer the opposite direction ...parent key implicitly supplies ...

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Dual-layer Video Encryption & Decryption using RSA Algorithm

Dual-layer Video Encryption & Decryption using RSA Algorithm

... known public key cryptosystems for key exchange or digital signatures or encryption of blocks of ...size key. It is an asymmetric (public key) cryptosystem based on number ...

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A cryptosystem based on Vigenère cipher with varying key

A cryptosystem based on Vigenère cipher with varying key

... Vigenère cipher encryption algorithm by automatically changing the cipher key after each encryption ...initial key value during the encryption ...

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To provide Secure Message authentication in Wireless Sensor Network using RC6

To provide Secure Message authentication in Wireless Sensor Network using RC6

... To provide hop-by-hop message authentication, the disadvantages of the built in threshold of the polynomial-based scheme . We propose a hop-by-hop message authentication scheme based on the Rivest Cipher Version ...

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On  the  Provable  Security  of  the  Tweakable  Even-Mansour  Cipher  Against  Multi-Key   and  Related-Key  Attacks

On the Provable Security of the Tweakable Even-Mansour Cipher Against Multi-Key and Related-Key Attacks

... a cipher under several different keys whose values are initially unknown, but where some mathematical relationship connecting the keys is known to the ...Even-Mansour cipher with (ϵ, δ)-RKA-AXU-hash ...

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A Modified Playfair Encryption Using Fibonacci Numbers

A Modified Playfair Encryption Using Fibonacci Numbers

... In this paper, we have considered the playfair encryption algorithm. Playfair encryption algorithm takes a key to transform the plaintext to cipher text. We have generated this secret key using ...

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A 128-bit  Block  Cipher  Based  on  Three  Group  Arithmetics

A 128-bit Block Cipher Based on Three Group Arithmetics

... Markov cipher is an iterated cipher whose round function makes the differential probabilities independent of the choice of one of the component plaintexts under an appropriate definition of a ...Markov ...

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Review of Scalable Data Sharing in Cloud Storage Using CP-ABE

Review of Scalable Data Sharing in Cloud Storage Using CP-ABE

... economical public-key encoding theme that supports versatile delegation within the sense that any set of the cipher texts (produced by the encoding scheme) is rewrite ready by a constant-size ...

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Diagonal queue medical image steganography with Rabin cryptosystem

Diagonal queue medical image steganography with Rabin cryptosystem

... network system is considered as a network requiring high security that excellent protections and managerial strategies are inevitable to prevent illegal events and external attacks from ...

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An Optimized Encryption Method for Improving Image Security

An Optimized Encryption Method for Improving Image Security

... To overcome the drawbacks of chaotic systems we use symmetric Latin square image cipher in bit level image encryption. LSIC contains three Latin square based encryption primitives, namely Latin Square Whitening, ...

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An Improved 3d Playfair Cipher Key Matrix With Dual Cipher Block Chaining Method

An Improved 3d Playfair Cipher Key Matrix With Dual Cipher Block Chaining Method

... encryption cipher which encrypts a trigraph of plaintext into the corresponding ...(secret key) is pre-processed to generate the key matrix ...2.1 Key Matrix Formation ...

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Comprehensive Secure Data Sharing In Cloud Storage

Comprehensive Secure Data Sharing In Cloud Storage

... Nowadays, many businesses outsource data garage to the cloud such that a member of a company (facts owner) can without difficulty percentage facts with different members (customers). Because of the existence of safety ...

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