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- Standard_model_(cryptography) abstract "In cryptography the standard model is the model of computation in which the adversary is only limited by the amount of time and computational power available. Other names used are bare model and plain model.Cryptographic schemes are usually based on complexity assumptions, which state that some problems, such as factorization, cannot be solved in polynomial time. Schemes which can be proven secure using only complexity assumptions are said to be secure in the standard model. Security proofs are notoriously difficult to achieve in the standard model, so in many proofs, cryptographic primitives are replaced by idealized versions. The most usual example of this technique, known as the random oracle model, involves replacing a cryptographic hash function with a genuinely random function. Another example is the generic group model, where the adversary is given access to a randomly chosen encoding of a group, instead of the finite field or elliptic curve groups used in practice.Other models used invoke trusted third parties to perform some task without cheating -- for example, the public key infrastructure (PKI) model requires a certificate authority, which if it were dishonest, could produce fake certificates and use them to forge signatures, or mount a man in the middle attack to read encrypted messages. Other examples of this type are the common random string model and the common reference string model, where it is assumed that all parties have access to some string chosen uniformly at random or a string chosen according to some other probability distribution respectively. These models are often used for Non-interactive zero-knowledge proofs (NIZK). In some applications, such as the Dolev-Dwork-Naor encryption scheme, it makes sense for a particular party to generate the common reference string, while in other applications, the common reference string must be generated by a trusted third party. Collectively, these models are referred to as models with special setup assumptions.".
- Standard_model_(cryptography) wikiPageID "4488342".
- Standard_model_(cryptography) wikiPageLength "4178".
- Standard_model_(cryptography) wikiPageOutDegree "20".
- Standard_model_(cryptography) wikiPageRevisionID "671975107".
- Standard_model_(cryptography) wikiPageWikiLink Adversary_(cryptography).
- Standard_model_(cryptography) wikiPageWikiLink Category:Cryptography.
- Standard_model_(cryptography) wikiPageWikiLink Category:Theory_of_cryptography.
- Standard_model_(cryptography) wikiPageWikiLink Certificate_authority.
- Standard_model_(cryptography) wikiPageWikiLink Common_random_string_model.
- Standard_model_(cryptography) wikiPageWikiLink Common_reference_string_model.
- Standard_model_(cryptography) wikiPageWikiLink Computational_complexity_theory.
- Standard_model_(cryptography) wikiPageWikiLink Cryptography.
- Standard_model_(cryptography) wikiPageWikiLink Elliptic_curve_cryptography.
- Standard_model_(cryptography) wikiPageWikiLink Factorization.
- Standard_model_(cryptography) wikiPageWikiLink Finite_field.
- Standard_model_(cryptography) wikiPageWikiLink Generic_group_model.
- Standard_model_(cryptography) wikiPageWikiLink Group_(mathematics).
- Standard_model_(cryptography) wikiPageWikiLink Man-in-the-middle_attack.
- Standard_model_(cryptography) wikiPageWikiLink Non-interactive_zero-knowledge_proof.
- Standard_model_(cryptography) wikiPageWikiLink Provable_security.
- Standard_model_(cryptography) wikiPageWikiLink Public_key_infrastructure.
- Standard_model_(cryptography) wikiPageWikiLink Random_oracle.
- Standard_model_(cryptography) wikiPageWikiLink Time_complexity.
- Standard_model_(cryptography) wikiPageWikiLinkText "Standard model (cryptography)".
- Standard_model_(cryptography) wikiPageWikiLinkText "standard model".
- Standard_model_(cryptography) wikiPageUsesTemplate Template:Crypto-stub.
- Standard_model_(cryptography) subject Category:Cryptography.
- Standard_model_(cryptography) subject Category:Theory_of_cryptography.
- Standard_model_(cryptography) hypernym Model.
- Standard_model_(cryptography) type Person.
- Standard_model_(cryptography) type Communication.
- Standard_model_(cryptography) type Redirect.
- Standard_model_(cryptography) comment "In cryptography the standard model is the model of computation in which the adversary is only limited by the amount of time and computational power available. Other names used are bare model and plain model.Cryptographic schemes are usually based on complexity assumptions, which state that some problems, such as factorization, cannot be solved in polynomial time. Schemes which can be proven secure using only complexity assumptions are said to be secure in the standard model.".
- Standard_model_(cryptography) label "Standard model (cryptography)".
- Standard_model_(cryptography) sameAs Q7598354.
- Standard_model_(cryptography) sameAs m.02p87m8.
- Standard_model_(cryptography) sameAs Q7598354.
- Standard_model_(cryptography) wasDerivedFrom Standard_model_(cryptography)?oldid=671975107.
- Standard_model_(cryptography) isPrimaryTopicOf Standard_model_(cryptography).