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crypto: tcrypt - Add support for hash speed testing with keys 

Currently if you speed test a hash that requires a key you'll get an
error because tcrypt does not set a key by default.  This patch
allows a key to be set using the new module parameter klen.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
zero-sugar-mainline-defconfig
Herbert Xu 2020-08-05 15:57:08 +10:00
parent f7ade9aaf6
commit ba974adb47
2 changed files with 9 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
crypto/tcrypt.c
View File

@ -63,6 +63,7 @@ static u32 type;
static u32 mask;
static int mode;
static u32 num_mb = 8;
static unsigned int klen;
static char *tvmem[TVMEMSIZE];
static const char *check[] = {
@ -864,8 +865,8 @@ static void test_mb_ahash_speed(const char *algo, unsigned int secs,
goto out;
}
if (speed[i].klen)
crypto_ahash_setkey(tfm, tvmem[0], speed[i].klen);
if (klen)
crypto_ahash_setkey(tfm, tvmem[0], klen);
for (k = 0; k < num_mb; k++)
ahash_request_set_crypt(data[k].req, data[k].sg,
@ -1099,8 +1100,8 @@ static void test_ahash_speed_common(const char *algo, unsigned int secs,
break;
}
if (speed[i].klen)
crypto_ahash_setkey(tfm, tvmem[0], speed[i].klen);
if (klen)
crypto_ahash_setkey(tfm, tvmem[0], klen);
pr_info("test%3u "
"(%5u byte blocks,%5u bytes per update,%4u updates): ",
@ -2418,7 +2419,8 @@ static int do_test(const char *alg, u32 type, u32 mask, int m, u32 num_mb)
if (mode > 300 && mode < 400) break;
/* fall through */
case 318:
test_hash_speed("ghash-generic", sec, hash_speed_template_16);
klen = 16;
test_hash_speed("ghash", sec, generic_hash_speed_template);
if (mode > 300 && mode < 400) break;
/* fall through */
case 319:
@ -3076,6 +3078,8 @@ MODULE_PARM_DESC(sec, "Length in seconds of speed tests "
"(defaults to zero which uses CPU cycles instead)");
module_param(num_mb, uint, 0000);
MODULE_PARM_DESC(num_mb, "Number of concurrent requests to be used in mb speed tests (defaults to 8)");
module_param(klen, uint, 0);
MODULE_PARM_DESC(klen, "Key length (defaults to 0)");
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Quick & dirty crypto testing module");

29
crypto/tcrypt.h
View File

@ -25,7 +25,6 @@ struct aead_speed_template {
struct hash_speed {
unsigned int blen; /* buffer length */
unsigned int plen; /* per-update length */
unsigned int klen; /* key length */
};
/*
@ -97,34 +96,6 @@ static struct hash_speed generic_hash_speed_template[] = {
{ .blen = 0, .plen = 0, }
};
static struct hash_speed hash_speed_template_16[] = {
{ .blen = 16, .plen = 16, .klen = 16, },
{ .blen = 64, .plen = 16, .klen = 16, },
{ .blen = 64, .plen = 64, .klen = 16, },
{ .blen = 256, .plen = 16, .klen = 16, },
{ .blen = 256, .plen = 64, .klen = 16, },
{ .blen = 256, .plen = 256, .klen = 16, },
{ .blen = 1024, .plen = 16, .klen = 16, },
{ .blen = 1024, .plen = 256, .klen = 16, },
{ .blen = 1024, .plen = 1024, .klen = 16, },
{ .blen = 2048, .plen = 16, .klen = 16, },
{ .blen = 2048, .plen = 256, .klen = 16, },
{ .blen = 2048, .plen = 1024, .klen = 16, },
{ .blen = 2048, .plen = 2048, .klen = 16, },
{ .blen = 4096, .plen = 16, .klen = 16, },
{ .blen = 4096, .plen = 256, .klen = 16, },
{ .blen = 4096, .plen = 1024, .klen = 16, },
{ .blen = 4096, .plen = 4096, .klen = 16, },
{ .blen = 8192, .plen = 16, .klen = 16, },
{ .blen = 8192, .plen = 256, .klen = 16, },
{ .blen = 8192, .plen = 1024, .klen = 16, },
{ .blen = 8192, .plen = 4096, .klen = 16, },
{ .blen = 8192, .plen = 8192, .klen = 16, },
/* End marker */
{ .blen = 0, .plen = 0, .klen = 0, }
};
static struct hash_speed poly1305_speed_template[] = {
{ .blen = 96, .plen = 16, },
{ .blen = 96, .plen = 32, },