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Add benchmarks for ed25519 functions
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@ -30,6 +30,7 @@ const char tor_git_revision[] = "";
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#include "crypto_curve25519.h"
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#include "onion_ntor.h"
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#endif
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#include "crypto_ed25519.h"
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#if defined(HAVE_CLOCK_GETTIME) && defined(CLOCK_PROCESS_CPUTIME_ID)
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static uint64_t nanostart;
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@ -79,6 +80,9 @@ perftime(void)
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#define NANOCOUNT(start,end,iters) \
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( ((double)((end)-(start))) / (iters) )
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#define MICROCOUNT(start,end,iters) \
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( NANOCOUNT((start), (end), (iters)) / 1000.0 )
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/** Run AES performance benchmarks. */
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static void
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bench_aes(void)
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@ -234,6 +238,63 @@ bench_onion_ntor(void)
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}
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#endif
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static void
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bench_ed25519(void)
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{
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uint64_t start, end;
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const int iters = 1<<12;
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int i;
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const uint8_t msg[] = "but leaving, could not tell what they had heard";
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ed25519_signature_t sig;
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ed25519_keypair_t kp;
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curve25519_keypair_t curve_kp;
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ed25519_public_key_t pubkey_tmp;
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ed25519_secret_key_generate(&kp.seckey, 0);
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start = perftime();
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for (i = 0; i < iters; ++i) {
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ed25519_public_key_generate(&kp.pubkey, &kp.seckey);
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}
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end = perftime();
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printf("Generate public key: %.2f usec\n",
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MICROCOUNT(start, end, iters));
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start = perftime();
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for (i = 0; i < iters; ++i) {
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ed25519_sign(&sig, msg, sizeof(msg), &kp);
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}
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end = perftime();
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printf("Sign a short message: %.2f usec\n",
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MICROCOUNT(start, end, iters));
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start = perftime();
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for (i = 0; i < iters; ++i) {
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ed25519_checksig(&sig, msg, sizeof(msg), &kp.pubkey);
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}
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end = perftime();
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printf("Verify signature: %.2f usec\n",
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MICROCOUNT(start, end, iters));
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curve25519_keypair_generate(&curve_kp, 0);
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start = perftime();
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for (i = 0; i < iters; ++i) {
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ed25519_public_key_from_curve25519_public_key(&pubkey_tmp,
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&curve_kp.pubkey, 1);
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}
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end = perftime();
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printf("Convert public point from curve25519: %.2f usec\n",
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MICROCOUNT(start, end, iters));
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curve25519_keypair_generate(&curve_kp, 0);
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start = perftime();
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for (i = 0; i < iters; ++i) {
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ed25519_public_blind(&pubkey_tmp, &kp.pubkey, msg);
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}
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end = perftime();
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printf("Blind a public key: %.2f usec\n",
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MICROCOUNT(start, end, iters));
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}
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static void
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bench_cell_aes(void)
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{
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@ -515,6 +576,7 @@ static struct benchmark_t benchmarks[] = {
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#ifdef CURVE25519_ENABLED
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ENT(onion_ntor),
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#endif
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ENT(ed25519),
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ENT(cell_aes),
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ENT(cell_ops),
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ENT(dh),
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