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Independent Technical Assessment of HPE Format-Preserving Encryption

Format-Preserving Encryption (FPE) encrypts a plaintext of some specified format into a ciphertext of the same format—for example, encrypting a social-security number into a social-security number. In this survey we describe FPE and review known techniques for achieving it. These include FFX, a recent proposal made to NIST.

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Categories: Technology, Web/Tech