mirror of https://gitee.com/openkylin/linux.git
crypto: tcrypt - Added speed tests for AEAD crypto alogrithms in tcrypt test suite
Adding simple speed tests for a range of block sizes for AEAD crypto algorithms. Signed-off-by: Tim Chen <tim.c.chen@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Tim Chen
Herbert Xu
parent
d764593af9
commit
53f52d7aec
270
crypto/tcrypt.c
270
crypto/tcrypt.c
|
|
@ -137,7 +137,272 @@ static int test_cipher_cycles(struct blkcipher_desc *desc, int enc,
|
|||
return ret;
|
||||
}
|
||||
|
||||
static int test_aead_jiffies(struct aead_request *req, int enc,
|
||||
int blen, int sec)
|
||||
{
|
||||
unsigned long start, end;
|
||||
int bcount;
|
||||
int ret;
|
||||
|
||||
for (start = jiffies, end = start + sec * HZ, bcount = 0;
|
||||
time_before(jiffies, end); bcount++) {
|
||||
if (enc)
|
||||
ret = crypto_aead_encrypt(req);
|
||||
else
|
||||
ret = crypto_aead_decrypt(req);
|
||||
|
||||
if (ret)
|
||||
return ret;
|
||||
}
|
||||
|
||||
printk("%d operations in %d seconds (%ld bytes)\n",
|
||||
bcount, sec, (long)bcount * blen);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int test_aead_cycles(struct aead_request *req, int enc, int blen)
|
||||
{
|
||||
unsigned long cycles = 0;
|
||||
int ret = 0;
|
||||
int i;
|
||||
|
||||
local_irq_disable();
|
||||
|
||||
/* Warm-up run. */
|
||||
for (i = 0; i < 4; i++) {
|
||||
if (enc)
|
||||
ret = crypto_aead_encrypt(req);
|
||||
else
|
||||
ret = crypto_aead_decrypt(req);
|
||||
|
||||
if (ret)
|
||||
goto out;
|
||||
}
|
||||
|
||||
/* The real thing. */
|
||||
for (i = 0; i < 8; i++) {
|
||||
cycles_t start, end;
|
||||
|
||||
start = get_cycles();
|
||||
if (enc)
|
||||
ret = crypto_aead_encrypt(req);
|
||||
else
|
||||
ret = crypto_aead_decrypt(req);
|
||||
end = get_cycles();
|
||||
|
||||
if (ret)
|
||||
goto out;
|
||||
|
||||
cycles += end - start;
|
||||
}
|
||||
|
||||
out:
|
||||
local_irq_enable();
|
||||
|
||||
if (ret == 0)
|
||||
printk("1 operation in %lu cycles (%d bytes)\n",
|
||||
(cycles + 4) / 8, blen);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static u32 block_sizes[] = { 16, 64, 256, 1024, 8192, 0 };
|
||||
static u32 aead_sizes[] = { 16, 64, 256, 512, 1024, 2048, 4096, 8192, 0 };
|
||||
|
||||
#define XBUFSIZE 8
|
||||
#define MAX_IVLEN 32
|
||||
|
||||
static int testmgr_alloc_buf(char *buf[XBUFSIZE])
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < XBUFSIZE; i++) {
|
||||
buf[i] = (void *)__get_free_page(GFP_KERNEL);
|
||||
if (!buf[i])
|
||||
goto err_free_buf;
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
||||
err_free_buf:
|
||||
while (i-- > 0)
|
||||
free_page((unsigned long)buf[i]);
|
||||
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
static void testmgr_free_buf(char *buf[XBUFSIZE])
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i = 0; i < XBUFSIZE; i++)
|
||||
free_page((unsigned long)buf[i]);
|
||||
}
|
||||
|
||||
static void sg_init_aead(struct scatterlist *sg, char *xbuf[XBUFSIZE],
|
||||
unsigned int buflen)
|
||||
{
|
||||
int np = (buflen + PAGE_SIZE - 1)/PAGE_SIZE;
|
||||
int k, rem;
|
||||
|
||||
np = (np > XBUFSIZE) ? XBUFSIZE : np;
|
||||
rem = buflen % PAGE_SIZE;
|
||||
if (np > XBUFSIZE) {
|
||||
rem = PAGE_SIZE;
|
||||
np = XBUFSIZE;
|
||||
}
|
||||
sg_init_table(sg, np);
|
||||
for (k = 0; k < np; ++k) {
|
||||
if (k == (np-1))
|
||||
sg_set_buf(&sg[k], xbuf[k], rem);
|
||||
else
|
||||
sg_set_buf(&sg[k], xbuf[k], PAGE_SIZE);
|
||||
}
|
||||
}
|
||||
|
||||
static void test_aead_speed(const char *algo, int enc, unsigned int sec,
|
||||
struct aead_speed_template *template,
|
||||
unsigned int tcount, u8 authsize,
|
||||
unsigned int aad_size, u8 *keysize)
|
||||
{
|
||||
unsigned int i, j;
|
||||
struct crypto_aead *tfm;
|
||||
int ret = -ENOMEM;
|
||||
const char *key;
|
||||
struct aead_request *req;
|
||||
struct scatterlist *sg;
|
||||
struct scatterlist *asg;
|
||||
struct scatterlist *sgout;
|
||||
const char *e;
|
||||
void *assoc;
|
||||
char iv[MAX_IVLEN];
|
||||
char *xbuf[XBUFSIZE];
|
||||
char *xoutbuf[XBUFSIZE];
|
||||
char *axbuf[XBUFSIZE];
|
||||
unsigned int *b_size;
|
||||
unsigned int iv_len;
|
||||
|
||||
if (enc == ENCRYPT)
|
||||
e = "encryption";
|
||||
else
|
||||
e = "decryption";
|
||||
|
||||
if (testmgr_alloc_buf(xbuf))
|
||||
goto out_noxbuf;
|
||||
if (testmgr_alloc_buf(axbuf))
|
||||
goto out_noaxbuf;
|
||||
if (testmgr_alloc_buf(xoutbuf))
|
||||
goto out_nooutbuf;
|
||||
|
||||
sg = kmalloc(sizeof(*sg) * 8 * 3, GFP_KERNEL);
|
||||
if (!sg)
|
||||
goto out_nosg;
|
||||
asg = &sg[8];
|
||||
sgout = &asg[8];
|
||||
|
||||
|
||||
printk(KERN_INFO "\ntesting speed of %s %s\n", algo, e);
|
||||
|
||||
tfm = crypto_alloc_aead(algo, 0, 0);
|
||||
|
||||
if (IS_ERR(tfm)) {
|
||||
pr_err("alg: aead: Failed to load transform for %s: %ld\n", algo,
|
||||
PTR_ERR(tfm));
|
||||
return;
|
||||
}
|
||||
|
||||
req = aead_request_alloc(tfm, GFP_KERNEL);
|
||||
if (!req) {
|
||||
pr_err("alg: aead: Failed to allocate request for %s\n",
|
||||
algo);
|
||||
goto out;
|
||||
}
|
||||
|
||||
i = 0;
|
||||
do {
|
||||
b_size = aead_sizes;
|
||||
do {
|
||||
assoc = axbuf[0];
|
||||
|
||||
if (aad_size < PAGE_SIZE)
|
||||
memset(assoc, 0xff, aad_size);
|
||||
else {
|
||||
pr_err("associate data length (%u) too big\n",
|
||||
aad_size);
|
||||
goto out_nosg;
|
||||
}
|
||||
sg_init_one(&asg[0], assoc, aad_size);
|
||||
|
||||
if ((*keysize + *b_size) > TVMEMSIZE * PAGE_SIZE) {
|
||||
pr_err("template (%u) too big for tvmem (%lu)\n",
|
||||
*keysize + *b_size,
|
||||
TVMEMSIZE * PAGE_SIZE);
|
||||
goto out;
|
||||
}
|
||||
|
||||
key = tvmem[0];
|
||||
for (j = 0; j < tcount; j++) {
|
||||
if (template[j].klen == *keysize) {
|
||||
key = template[j].key;
|
||||
break;
|
||||
}
|
||||
}
|
||||
ret = crypto_aead_setkey(tfm, key, *keysize);
|
||||
ret = crypto_aead_setauthsize(tfm, authsize);
|
||||
|
||||
iv_len = crypto_aead_ivsize(tfm);
|
||||
if (iv_len)
|
||||
memset(&iv, 0xff, iv_len);
|
||||
|
||||
crypto_aead_clear_flags(tfm, ~0);
|
||||
printk(KERN_INFO "test %u (%d bit key, %d byte blocks): ",
|
||||
i, *keysize * 8, *b_size);
|
||||
|
||||
|
||||
memset(tvmem[0], 0xff, PAGE_SIZE);
|
||||
|
||||
if (ret) {
|
||||
pr_err("setkey() failed flags=%x\n",
|
||||
crypto_aead_get_flags(tfm));
|
||||
goto out;
|
||||
}
|
||||
|
||||
sg_init_aead(&sg[0], xbuf,
|
||||
*b_size + (enc ? authsize : 0));
|
||||
|
||||
sg_init_aead(&sgout[0], xoutbuf,
|
||||
*b_size + (enc ? authsize : 0));
|
||||
|
||||
aead_request_set_crypt(req, sg, sgout, *b_size, iv);
|
||||
aead_request_set_assoc(req, asg, aad_size);
|
||||
|
||||
if (sec)
|
||||
ret = test_aead_jiffies(req, enc, *b_size, sec);
|
||||
else
|
||||
ret = test_aead_cycles(req, enc, *b_size);
|
||||
|
||||
if (ret) {
|
||||
pr_err("%s() failed return code=%d\n", e, ret);
|
||||
break;
|
||||
}
|
||||
b_size++;
|
||||
i++;
|
||||
} while (*b_size);
|
||||
keysize++;
|
||||
} while (*keysize);
|
||||
|
||||
out:
|
||||
crypto_free_aead(tfm);
|
||||
kfree(sg);
|
||||
out_nosg:
|
||||
testmgr_free_buf(xoutbuf);
|
||||
out_nooutbuf:
|
||||
testmgr_free_buf(axbuf);
|
||||
out_noaxbuf:
|
||||
testmgr_free_buf(xbuf);
|
||||
out_noxbuf:
|
||||
return;
|
||||
}
|
||||
|
||||
static void test_cipher_speed(const char *algo, int enc, unsigned int sec,
|
||||
struct cipher_speed_template *template,
|
||||
|
|
@ -1427,6 +1692,11 @@ static int do_test(int m)
|
|||
speed_template_32_64);
|
||||
break;
|
||||
|
||||
case 211:
|
||||
test_aead_speed("rfc4106(gcm(aes))", ENCRYPT, sec,
|
||||
NULL, 0, 16, 8, aead_speed_template_20);
|
||||
break;
|
||||
|
||||
case 300:
|
||||
/* fall through */
|
||||
|
||||
|
|
|
|||
|
|
@ -22,6 +22,11 @@ struct cipher_speed_template {
|
|||
unsigned int klen;
|
||||
};
|
||||
|
||||
struct aead_speed_template {
|
||||
const char *key;
|
||||
unsigned int klen;
|
||||
};
|
||||
|
||||
struct hash_speed {
|
||||
unsigned int blen; /* buffer length */
|
||||
unsigned int plen; /* per-update length */
|
||||
|
|
@ -57,6 +62,11 @@ static u8 speed_template_32_48[] = {32, 48, 0};
|
|||
static u8 speed_template_32_48_64[] = {32, 48, 64, 0};
|
||||
static u8 speed_template_32_64[] = {32, 64, 0};
|
||||
|
||||
/*
|
||||
* AEAD speed tests
|
||||
*/
|
||||
static u8 aead_speed_template_20[] = {20, 0};
|
||||
|
||||
/*
|
||||
* Digest speed tests
|
||||
*/
|
||||
|
|
|
|||
Loading…
Reference in New Issue