diff options
Diffstat (limited to 'src/cli/speed.cpp')
| -rw-r--r-- | src/cli/speed.cpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/cli/speed.cpp b/src/cli/speed.cpp index afe75decc..b8397363f 100644 --- a/src/cli/speed.cpp +++ b/src/cli/speed.cpp @@ -23,6 +23,10 @@ #include <botan/internal/os_utils.h> #include <botan/version.h> +#if defined(BOTAN_HAS_BIGINT) + #include <botan/bigint.h> +#endif + #if defined(BOTAN_HAS_BLOCK_CIPHER) #include <botan/block_cipher.h> #endif @@ -895,6 +899,13 @@ class Speed final : public Command } #endif +#if defined(BOTAN_HAS_BIGINT) + else if(algo == "mp_mul") + { + bench_mp_mul(msec); + } +#endif + #if defined(BOTAN_HAS_NUMBERTHEORY) else if(algo == "random_prime") { @@ -1428,6 +1439,42 @@ class Speed final : public Command } #endif +#if defined(BOTAN_HAS_BIGINT) + + void bench_mp_mul(const std::chrono::milliseconds runtime) + { + std::chrono::milliseconds runtime_per_size = runtime / 9; + for(size_t bits : { 256, 384, 512, 768, 1024, 1536, 2048, 3072, 4096 }) + { + std::unique_ptr<Timer> mul_timer = make_timer("BigInt mul " + std::to_string(bits)); + std::unique_ptr<Timer> sqr_timer = make_timer("BigInt sqr " + std::to_string(bits)); + + const Botan::BigInt y(rng(), bits); + Botan::secure_vector<Botan::word> ws; + + while(mul_timer->under(runtime_per_size)) + { + Botan::BigInt x(rng(), bits); + + sqr_timer->start(); + x.square(ws); + sqr_timer->stop(); + + x.mask_bits(bits); + + mul_timer->start(); + x.mul(y, ws); + mul_timer->stop(); + } + + record_result(mul_timer); + record_result(sqr_timer); + } + + } + +#endif + #if defined(BOTAN_HAS_DL_GROUP) void bench_modexp(const std::chrono::milliseconds runtime) |