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Dongyoung Roh

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Open access 2026

Security Evaluation of Feistel-Based Format-Preserving Encryption Against Small-Domain Attacks

Format-preserving encryption (FPE) enables encryption while preserving the format of the underlying data, and is therefore useful for protecting structured data such as identifiers, account numbers, and decimal strings. Many practical FPE schemes are based on Feistel networks and are intended for use over small or stru...

Dongyoung Roh · 0 citations

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