Tancrède Lepoint on Muck Rack

Tancrède Lepoint

As seen in: Amazon Science
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Articles

Safe validation of pricing agreements

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By John Kolesar, Tancrède Lepoint, Willem Visser, Martin Schaef
| Amazon Science
Pricing agreements at AWS define how customers are billed for usage of services and resources. A pricing agreement consists of a complex sequence of terms that can include free tiers, savings plans, credits, volume discounts, and other similar features. To ensure that pricing agreements reflect the customers’ intentions, we employ a protocol that runs a set of validations that check all pricing agreements for irregularities.
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Security Analysis of Signature Schemes with Key Blinding

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By Edward Eaton, Tancrède Lepoint, Christopher Wood
| eprint.iacr.org
Paper 2023/380 Security Analysis of Signature Schemes with Key Blinding , National Research Council Canada , Amazon Web Services , Cloudflare Abstract Digital signatures are fundamental components of public key cryptography. They allow a signer to generate verifiable and unforgeable proofs---signatures---over arbitrary messages with a private key, and allow recipients to verify the proofs against the corresponding and expected public key.
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Do we need to change some things? Open questions posed by the upcoming post-quantum migration to existing standards and deployments

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By Panos Kampanakis, Tancrède Lepoint, Jong Park
| Amazon Science
How do you design and provide right incentives for millions of sellers that inbound and ship billions of customer orders? How do you measure sellers' response to /causal impacts of capacity control policies we implemented at Amazon using the state-of-the-art econometric techniques? How do you optimize Amazon’s third-party supply chain using new ideas never implemented at this scale to benefit millions of customers worldwide? How do you design and evaluate seller assistance to drive their success?
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