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bench: add benchmark for FSChaCha20Poly1305

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Add a benchmark for FSChaCha20Poly1305 encryption, so the overhead of key
generation and authentication can be observed for various message sizes.
This commit is contained in:
Pieter Wuille 2023-06-30 13:06:54 -04:00
parent aa8cee9334
commit af2b44c76e
1 changed files with 31 additions and 0 deletions
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31
src/bench/chacha20.cpp
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@ -5,6 +5,7 @@
#include <bench/bench.h>
#include <crypto/chacha20.h>
#include <crypto/chacha20poly1305.h>
/* Number of bytes to process per iteration */
static const uint64_t BUFFER_SIZE_TINY = 64;
@ -23,6 +24,18 @@ static void CHACHA20(benchmark::Bench& bench, size_t buffersize)
});
}
static void FSCHACHA20POLY1305(benchmark::Bench& bench, size_t buffersize)
{
std::vector<std::byte> key(32);
FSChaCha20Poly1305 ctx(key, 224);
std::vector<std::byte> in(buffersize);
std::vector<std::byte> aad;
std::vector<std::byte> out(buffersize + FSChaCha20Poly1305::EXPANSION);
bench.batch(in.size()).unit("byte").run([&] {
ctx.Encrypt(in, aad, out);
});
}
static void CHACHA20_64BYTES(benchmark::Bench& bench)
{
CHACHA20(bench, BUFFER_SIZE_TINY);
@ -38,6 +51,24 @@ static void CHACHA20_1MB(benchmark::Bench& bench)
CHACHA20(bench, BUFFER_SIZE_LARGE);
}
static void FSCHACHA20POLY1305_64BYTES(benchmark::Bench& bench)
{
FSCHACHA20POLY1305(bench, BUFFER_SIZE_TINY);
}
static void FSCHACHA20POLY1305_256BYTES(benchmark::Bench& bench)
{
FSCHACHA20POLY1305(bench, BUFFER_SIZE_SMALL);
}
static void FSCHACHA20POLY1305_1MB(benchmark::Bench& bench)
{
FSCHACHA20POLY1305(bench, BUFFER_SIZE_LARGE);
}
BENCHMARK(CHACHA20_64BYTES, benchmark::PriorityLevel::HIGH);
BENCHMARK(CHACHA20_256BYTES, benchmark::PriorityLevel::HIGH);
BENCHMARK(CHACHA20_1MB, benchmark::PriorityLevel::HIGH);
BENCHMARK(FSCHACHA20POLY1305_64BYTES, benchmark::PriorityLevel::HIGH);
BENCHMARK(FSCHACHA20POLY1305_256BYTES, benchmark::PriorityLevel::HIGH);
BENCHMARK(FSCHACHA20POLY1305_1MB, benchmark::PriorityLevel::HIGH);