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I'm studying the performance of post-quantum KEM in TLS with the OQS (OQS is a project that integrate liboqs to openssl).

I don't know why, but the KEM algorithms performance in TLS is 10 times slower than using the openssl speed command.

For example, Kyber512 takes more or less 2.20 ms to perform the key generation in TLS with the method OQS_KEM_keypair, while with the command openssl takes more or less 0.14 ms in a Raspberry Pi 3B+.

Can someone explain what's wrong? Does the TLS protocol affect in the post-quantum algorithms speed?

Raoul722
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jmr
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1 Answers1

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Yes, the TLS protocol can potentially affect the performance of post-quantum algorithms. There are several factors that could potentially affect the performance of these algorithms in TLS, such as the specific implementation of the algorithms, the hardware and software environment in which they are running, and the overhead of the TLS protocol itself.

Pegasus
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