Digital signatures from reversible public-key encryption
Distributed protocols for digital signatures and public key encryption.
... Digital Signatures. 11 valid signature on message m. Unique signatures were introduced by Goldwasser and Ostrovsky [81], who showed their close relation to non-interactive zero knowledge proofs ...
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Proposal of a new efficient public key system for encryption and digital signatures
... scheme can catch a lot of errors. Therefore you get only a lousy information about the introduced error. 5 Summary In this paper a new cryptosystem usable for both public key encryption and ...
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Tightly Secure Signatures and Public-Key Encryption
... We stress that all the reductions just sketched are tight. In particular, the (simulation-) sound- ness and zero-knowledge errors do not depend on the number of simulated proofs. On the extractability of our proof ...
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Public Key Cryptography of Digital Signatures
... phrases: digital signature, cryptographic algorithm, pub- lic/private keys, cipher, ...of public key cryptography was introduced by Whit- field Diffie and Martin Hellman in ...on public ...
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Invisible Sanitizable Signatures and Public-Key Encryption are Equivalent
... The adversary’s goal is to guess b, i.e., to decide which set of blocks the oracle O LoR has made admis- sible. The scheme SSS is invisible if no efficient adversary as above succeeds in doing so with probability ...
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Establishment of Public Key Infrastructure for Digital Signatures
... as encryption, digital signatures, digital certificates, public/private key pairs, non-repudiation and time-stamping to participate in the ...A Public Key ...
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A Method for Obtaining Digital Signatures and Public-Key Cryptosystems
... if encryption devices can be made fast enough: it will be possible to have a telephone conversation in which every word spoken is signed by the encryption device before ...When encryption is used for ...
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Message Authentication, Public-Key Ciphers, and Digital Signatures
... invention from MIT, which owned the ...authentication, digital signatures, key management, and ...a key generating program, and a registered and authenticated user identification ...
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Digital Signatures from Symmetric-Key Primitives
... and public keys but com- paratively large ...of signatures may well be doable on such devices especially when only occasionally needed and the device is con- nected to a suitable ...of key-bits, ...
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Combining Public Key Encryption with Schnorr Digital Signature
... secret key, the only security model that makes sense is one in which the adversary is modeled as a third party or an out- sider who does not know the shared secret ...secret key but each has his/her own ...
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Verifiable Encryption of Digital Signatures and Applications
... verifiable encryption of x by just sending α x and g x mod n, and then proving that D log α α x = D log g g x ...Okamoto–Uchiyama public-key cryptosystems [Naccache and Stern 1998; Okamoto and ...
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A Practical Approach for Implementation of Public Key Infrastructure for Digital Signatures
... documents from one person to another, but also it needs to ensure that the document retains its integrity, confirms the authenticity of the sender, provides privacy, if required and it is safe against ...a ...
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Public Key Encryption and Digital Signature: How do they work?
... 1: Encryption/Decryption principles 1.3 Digital Signature and Verification Digital signature is a mechanism by which a message is authenticated ...coming from a given sender, much like a ...
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Public Key Encryption for the Forgetful
... received from legitimate users only, who are required to login and prove their identities before being allowed to use any service of the data ...typical digital signature scheme is ...
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A Novel Approach to combine Public-key encryption with Symmetric-key encryption
... (Digital Encryption Standard): is an algorithm developed in the ...private-key) encryption, in which the sender and receiver of a message share a single, common key that is used to ...
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Anonymity and Time in Public-Key Encryption
... as key-privacy ...several public keys a ciphertext was ...identity-based encryption (HIBE) [22], attribute- based encryption (ABE) or predicate encryption [58], where achieving ...
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Single Key Based Encryption & Embedding Algorithm for Reversible Data Hiding
... the digital info revolution has given rise to an enormous increase within the use and transmission of multimedia system info, it broadens the scope of right and wrong, as there square measure privacy violations, ...
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Short Signatures From Diffie-Hellman: Realizing Short Public Key
... scheme from standard as- sumptions in the standard ...for encryption schemes, in which the adversary is restricted to making an a-priori bounded number of queries to the decryption oracle ...corresponding ...
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Encryption and Digital Signatures
... Unless challenged, these moves could radically change the nature of the 'Net, making it a place of oppressive controls instead of freedom and openness. It is in this context that APC's Internet Rights project is being ...
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RKA-KDM secure encryption from public-key encryption
... abstract from Applebaum’s construction and proof, and formalize three generic tech- nical properties that imply RKA-KDM security: one property is IND-CPA security, and the other two are the existence of suitable ...
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