Mceliece, are designed so that a public key can be safely reused for many ciphertexts from many users If you want your program to be portable with stack allocation and not unexpectedly crash, you should probably run the entire key exchange in a dedicated thread with a large enough stack size. This has iagram in figure 1 depicts 30 clients at 10 internet service providers sending ciph
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The public key sizes (261 kb for mceliece348864) would however be problematic in current (e)sims
My understanding is that the mceliece348864 parameters were chosen to maximize security.
This document specifies how classic mceliece key encapsulation mechanism (kem) is used to generate keys in the internet key exchange version 2 (ikev2) protocol. With mceliece348864, we have a level 1 security level with a public key size of 261,120 bytes, a private key size of 6,492 bytes, and a cipher text size of 128 bytes Mceliece460896 has a level 3 security level with a public key size of 524,160 bytes, a private key size of 13,608 bytes, and a cipher text size of 188 bytes For applications with cryptographic performance constraints
Classic mceliece has very large public keys but very small ciphertexts
