Digital Signatures Flashcards

1
Q

Definition of Digital Signature and fundamental properties

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2
Q

Signature forging experiment

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3
Q

Definition of Secure Digital Signature

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4
Q

Definition of Strongly Secure Digital Signature

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5
Q

Signature process using and Hash

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6
Q

Security of Hash-and-sign

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7
Q

Plain RSA Digital Signature

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8
Q

Security of Plain RSA Digital Signature

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9
Q

Definition of RSA-FDH digital signature

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10
Q

Security of RSA-FDH digital signature

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11
Q

Definition of Fiat-Shamir Transform signature scheme

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12
Q

Theorem about the Security of the Fiat-Shamir Transform

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13
Q

Definition of the Schnorr Digital Signature

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14
Q

What about DSA and ECDSA

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15
Q

Definition of random oracle

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16
Q

Definition of an Experiment in the Random-Oracle Model (ROM)

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17
Q

Lemma: One-wayness of Hash Functions modeled as random oracles + proof

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18
Q

Lemma: Collision-Resistance of Hash Functions modeled as random oracles + proof

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19
Q

Lemma: lemma about and adversary A getting H(x) without querying the oracle + proof

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20
Q

Objections and Support to ROM

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21
Q

Definition of non-degenerate identification scheme

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22
Q

Proof about the security of Fiat-Shamir Transform

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