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apps/speed.c: add -aead flag.

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Goal is to exercise AEAD ciphers in TLS-like sequence, i.e. 13-byte
AAD followed by payload. Update doc/man1/speed.pod accordingly.

[While we are at it, address even some styling and readability issues.]

Reviewed-by: Tim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/6311)
This commit is contained in:
Andy Polyakov 2018-05-19 15:43:11 +02:00
parent ffcca684ec
commit 44ca7565a6
2 changed files with 124 additions and 47 deletions
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157
apps/speed.c
View File

@ -169,6 +169,7 @@ static int CRYPTO_gcm128_aad_loop(void *args);
static int RAND_bytes_loop(void *args);
static int EVP_Update_loop(void *args);
static int EVP_Update_loop_ccm(void *args);
static int EVP_Update_loop_aead(void *args);
static int EVP_Digest_loop(void *args);
#ifndef OPENSSL_NO_RSA
static int RSA_sign_loop(void *args);
@ -197,6 +198,10 @@ static const int lengths_list[] = {
};
static const int *lengths = lengths_list;
static const int aead_lengths_list[] = {
2, 31, 136, 1024, 8 * 1024, 16 * 1024
};
#define START 0
#define STOP 1
@ -291,38 +296,41 @@ typedef enum OPTION_choice {
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
OPT_ELAPSED, OPT_EVP, OPT_DECRYPT, OPT_ENGINE, OPT_MULTI,
OPT_MR, OPT_MB, OPT_MISALIGN, OPT_ASYNCJOBS, OPT_R_ENUM,
OPT_PRIMES, OPT_SECONDS, OPT_BYTES
OPT_PRIMES, OPT_SECONDS, OPT_BYTES, OPT_AEAD
} OPTION_CHOICE;
const OPTIONS speed_options[] = {
{OPT_HELP_STR, 1, '-', "Usage: %s [options] ciphers...\n"},
{OPT_HELP_STR, 1, '-', "Valid options are:\n"},
{"help", OPT_HELP, '-', "Display this summary"},
{"evp", OPT_EVP, 's', "Use specified EVP cipher"},
{"evp", OPT_EVP, 's', "Use EVP-named cipher or digest"},
{"decrypt", OPT_DECRYPT, '-',
"Time decryption instead of encryption (only EVP)"},
{"mr", OPT_MR, '-', "Produce machine readable output"},
{"aead", OPT_AEAD, '-',
"Benchmark EVP-named AEAD cipher in TLS-like sequence"},
{"mb", OPT_MB, '-',
"Enable (tls1.1) multi-block mode on evp_cipher requested with -evp"},
{"misalign", OPT_MISALIGN, 'n', "Amount to mis-align buffers"},
{"elapsed", OPT_ELAPSED, '-',
"Measure time in real time instead of CPU user time"},
"Enable (tls1>=1) multi-block mode on EVP-named cipher"},
{"mr", OPT_MR, '-', "Produce machine readable output"},
#ifndef NO_FORK
{"multi", OPT_MULTI, 'p', "Run benchmarks in parallel"},
#endif
#ifndef OPENSSL_NO_ASYNC
{"async_jobs", OPT_ASYNCJOBS, 'p',
"Enable async mode and start pnum jobs"},
"Enable async mode and start specified number of jobs"},
#endif
OPT_R_OPTIONS,
#ifndef OPENSSL_NO_ENGINE
{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
#endif
{"elapsed", OPT_ELAPSED, '-',
"Use wall-clock time instead of CPU user time as divisor"},
{"primes", OPT_PRIMES, 'p', "Specify number of primes (for RSA only)"},
{"seconds", OPT_SECONDS, 'p',
"Run benchmarks for pnum seconds"},
"Run benchmarks for specified amount of seconds"},
{"bytes", OPT_BYTES, 'p',
"Run cipher, digest and rand benchmarks on pnum bytes"},
"Run [non-PKI] benchmarks on custom-sized buffer"},
{"misalign", OPT_MISALIGN, 'p',
"Use specified offset to mis-align buffers"},
{NULL}
};
@ -911,6 +919,7 @@ static int EVP_Update_loop(void *args)
EVP_EncryptFinal_ex(ctx, buf, &outl);
return count;
}
/*
* CCM does not support streaming. For the purpose of performance measurement,
* each message is encrypted using the same (key,iv)-pair. Do not use this
@ -945,6 +954,42 @@ static int EVP_Update_loop_ccm(void *args)
return count;
}
/*
* To make AEAD benchmarking more relevant perform TLS-like operations,
* 13-byte AAD followed by payload. But don't use TLS-formatted AAD, as
* payload length is not actually limited by 16KB...
*/
static int EVP_Update_loop_aead(void *args)
{
loopargs_t *tempargs = *(loopargs_t **) args;
unsigned char *buf = tempargs->buf;
EVP_CIPHER_CTX *ctx = tempargs->ctx;
int outl, count;
unsigned char aad[13] = { 0xcc };
unsigned char faketag[16] = { 0xcc };
#ifndef SIGALRM
int nb_iter = save_count * 4 * lengths[0] / lengths[testnum];
#endif
if (decrypt) {
for (count = 0; COND(nb_iter); count++) {
EVP_DecryptInit_ex(ctx, NULL, NULL, NULL, iv);
EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG,
sizeof(faketag), faketag);
EVP_DecryptUpdate(ctx, NULL, &outl, aad, sizeof(aad));
EVP_DecryptUpdate(ctx, buf, &outl, buf, lengths[testnum]);
EVP_DecryptFinal_ex(ctx, buf + outl, &outl);
}
} else {
for (count = 0; COND(nb_iter); count++) {
EVP_EncryptInit_ex(ctx, NULL, NULL, NULL, iv);
EVP_EncryptUpdate(ctx, NULL, &outl, aad, sizeof(aad));
EVP_EncryptUpdate(ctx, buf, &outl, buf, lengths[testnum]);
EVP_EncryptFinal_ex(ctx, buf + outl, &outl);
}
}
return count;
}
static const EVP_MD *evp_md = NULL;
static int EVP_Digest_loop(void *args)
{
@ -1268,7 +1313,6 @@ static int run_benchmark(int async_jobs,
int speed_main(int argc, char **argv)
{
ENGINE *e = NULL;
int (*loopfunc)(void *args);
loopargs_t *loopargs = NULL;
const char *prog;
const char *engine_id = NULL;
@ -1277,7 +1321,7 @@ int speed_main(int argc, char **argv)
OPTION_CHOICE o;
int async_init = 0, multiblock = 0, pr_header = 0;
int doit[ALGOR_NUM] = { 0 };
int ret = 1, misalign = 0, lengths_single = 0;
int ret = 1, misalign = 0, lengths_single = 0, aead = 0;
long count = 0;
unsigned int size_num = OSSL_NELEM(lengths_list);
unsigned int i, k, loop, loopargs_len = 0, async_jobs = 0;
@ -1513,6 +1557,9 @@ int speed_main(int argc, char **argv)
lengths = &lengths_single;
size_num = 1;
break;
case OPT_AEAD:
aead = 1;
break;
}
}
argc = opt_num_rest();
@ -1592,6 +1639,34 @@ int speed_main(int argc, char **argv)
goto end;
}
/* Sanity checks */
if (aead) {
if (evp_cipher == NULL) {
BIO_printf(bio_err, "-aead can be used only with an AEAD cipher\n");
goto end;
} else if (!(EVP_CIPHER_flags(evp_cipher) &
EVP_CIPH_FLAG_AEAD_CIPHER)) {
BIO_printf(bio_err, "%s is not an AEAD cipher\n",
OBJ_nid2ln(EVP_CIPHER_nid(evp_cipher)));
goto end;
}
}
if (multiblock) {
if (evp_cipher == NULL) {
BIO_printf(bio_err,"-mb can be used only with a multi-block"
" capable cipher\n");
goto end;
} else if (!(EVP_CIPHER_flags(evp_cipher) &
EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK)) {
BIO_printf(bio_err, "%s is not a multi-block capable\n",
OBJ_nid2ln(EVP_CIPHER_nid(evp_cipher)));
goto end;
} else if (async_jobs > 0) {
BIO_printf(bio_err, "Async mode is not supported with -mb");
goto end;
}
}
/* Initialize the job pool if async mode is enabled */
if (async_jobs > 0) {
async_init = ASYNC_init_thread(async_jobs, async_jobs);
@ -2414,30 +2489,30 @@ int speed_main(int argc, char **argv)
}
if (doit[D_EVP]) {
if (multiblock && evp_cipher) {
if (!
(EVP_CIPHER_flags(evp_cipher) &
EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK)) {
BIO_printf(bio_err, "%s is not multi-block capable\n",
OBJ_nid2ln(EVP_CIPHER_nid(evp_cipher)));
if (evp_cipher != NULL) {
int (*loopfunc)(void *args) = EVP_Update_loop;
if (multiblock && (EVP_CIPHER_flags(evp_cipher) &
EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK)) {
multiblock_speed(evp_cipher, lengths_single, &seconds);
ret = 0;
goto end;
}
if (async_jobs > 0) {
BIO_printf(bio_err, "Async mode is not supported, exiting...");
exit(1);
}
multiblock_speed(evp_cipher, lengths_single, &seconds);
ret = 0;
goto end;
}
for (testnum = 0; testnum < size_num; testnum++) {
if (evp_cipher) {
names[D_EVP] = OBJ_nid2ln(EVP_CIPHER_nid(evp_cipher));
/*
* -O3 -fschedule-insns messes up an optimization here!
* names[D_EVP] somehow becomes NULL
*/
names[D_EVP] = OBJ_nid2ln(EVP_CIPHER_nid(evp_cipher));
if (EVP_CIPHER_mode(evp_cipher) == EVP_CIPH_CCM_MODE) {
loopfunc = EVP_Update_loop_ccm;
} else if (aead && (EVP_CIPHER_flags(evp_cipher) &
EVP_CIPH_FLAG_AEAD_CIPHER)) {
loopfunc = EVP_Update_loop_aead;
if (lengths == lengths_list) {
lengths = aead_lengths_list;
size_num = OSSL_NELEM(aead_lengths_list);
}
}
for (testnum = 0; testnum < size_num; testnum++) {
print_message(names[D_EVP], save_count, lengths[testnum],
seconds.sym);
@ -2455,13 +2530,6 @@ int speed_main(int argc, char **argv)
loopargs[k].key, NULL, -1);
OPENSSL_clear_free(loopargs[k].key, keylen);
}
switch (EVP_CIPHER_mode(evp_cipher)) {
case EVP_CIPH_CCM_MODE:
loopfunc = EVP_Update_loop_ccm;
break;
default:
loopfunc = EVP_Update_loop;
}
Time_F(START);
count = run_benchmark(async_jobs, loopfunc, loopargs);
@ -2469,16 +2537,19 @@ int speed_main(int argc, char **argv)
for (k = 0; k < loopargs_len; k++) {
EVP_CIPHER_CTX_free(loopargs[k].ctx);
}
print_result(D_EVP, testnum, count, d);
}
if (evp_md) {
names[D_EVP] = OBJ_nid2ln(EVP_MD_type(evp_md));
} else if (evp_md != NULL) {
names[D_EVP] = OBJ_nid2ln(EVP_MD_type(evp_md));
for (testnum = 0; testnum < size_num; testnum++) {
print_message(names[D_EVP], save_count, lengths[testnum],
seconds.sym);
Time_F(START);
count = run_benchmark(async_jobs, EVP_Digest_loop, loopargs);
d = Time_F(STOP);
print_result(D_EVP, testnum, count, d);
}
print_result(D_EVP, testnum, count, d);
}
}

14
doc/man1/speed.pod
View File

@ -16,6 +16,8 @@ B<openssl speed>
[B<-rand file...>]
[B<-writerand file>]
[B<-primes num>]
[B<-seconds num>]
[B<-bytes num>]
[B<algorithm...>]
=head1 DESCRIPTION
@ -42,12 +44,16 @@ for all available algorithms.
=item B<-elapsed>
Measure time in real time instead of CPU time. It can be useful when testing
speed of hardware engines.
When calculating operations- or bytes-per-second, use wall-clock time
instead of CPU user time as divisor. It can be useful when testing speed
of hardware engines.
=item B<-evp algo>
Use the specified cipher or message digest algorithm via the EVP interface.
If B<algo> is an AEAD cipher, then you can pass <-aead> to benchmark a
TLS-like sequence. And if B<algo> is a multi-buffer capable cipher, e.g.
aes-128-cbc-hmac-sha1, then B<-mb> will time multi-buffer operation.
=item B<-decrypt>
@ -81,8 +87,8 @@ Run benchmarks on B<num>-byte buffers. Affects ciphers, digests and the CSPRNG.
=item B<[zero or more test algorithms]>
If any options are given, B<speed> tests those algorithms, otherwise all of
the above are tested.
If any options are given, B<speed> tests those algorithms, otherwise a
pre-compiled grand selection is tested.
=back