For FrodoKEM-640-SHAKE, we can see that the size of Alice's public key is 9,616 bytes long, and her private key is 19,888 bytes long. The ciphertext passed is 9,270 bytes long.

FrodoKEM Algorithm type: Key encapsulation mechanism. Main cryptographic assumption: learning with errors (LWE). Principal submitters: Michael Naehrig, Erdem Alkim, Joppe Bos, Léo Ducas, Karen …

FrodoKEM, at level 3 and 5, is one of two post-quantum algorithms recommended by the German Federal Office for Information Security (BSI) as cryptographically suitable for long-term confidentiality.

FrodoKEM is a family of key-encapsulation mechanisms that are designed to be conservative yet practical post-quantum constructions whose security derives from cautious parameterizations of the …

Sep 30, 2020 · Size (in bytes) of inputs and outputs of FrodoKEM. This submission defines a family of key-encapsulation mechanisms (KEMs), collectively called FrodoKEM.

Method: FrodoKEM-640-AES Public key size: 9616 Private key size: 19888 Ciphertext size: 9720 Shared secret size: 16 Alice Public Key (first 200 bytes ...

Description High-level wrapper for FrodoKEM-640-AES KEM operations. Provides secure key generation, encapsulation, and decapsulation with automatic memory management. Memory …

Mar 14, 2023 · The core building block of FrodoKEM is a public-key encryption scheme called FrodoPKE, whose IND-CPA security is tightly related to the hardness of a corresponding learning …

FrodoCCS [BCDMNNRS’16] instantiated and implemented [LP’11], using pseudorandom public matrix A to reduce public key size. Lineage of [Ajtai’96,AjtaiDwork’97]: worst-case/average-case reductions: …

In this case, we see a 32-byte secret (private) key size for P256, and 64 bytes for the public key (as it has an x- and y-co-ordinate value) and then another byte added to identify the type of point.