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[CRYPTO] tcrypt: Use test_hash for crc32c

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Now that crc32c has been fixed to conform with standard digest semantics,
we can use test_hash for it.  I've turned the last test into a chunky
test.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2006-08-21 22:04:03 +10:00
parent ee7564166d
commit c907ee76d8
2 changed files with 180 additions and 105 deletions
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106
crypto/tcrypt.c
View file

@ -762,108 +762,6 @@ out:
crypto_free_tfm(tfm);
}
static void test_crc32c(void)
{
#define NUMVEC 6
#define VECSIZE 40
int i, j, pass;
u32 crc;
u8 b, test_vec[NUMVEC][VECSIZE];
static u32 vec_results[NUMVEC] = {
0x0e2c157f, 0xe980ebf6, 0xde74bded,
0xd579c862, 0xba979ad0, 0x2b29d913
};
static u32 tot_vec_results = 0x24c5d375;
struct scatterlist sg[NUMVEC];
struct crypto_tfm *tfm;
char *fmtdata = "testing crc32c initialized to %08x: %s\n";
#define SEEDTESTVAL 0xedcba987
u32 seed;
printk("\ntesting crc32c\n");
tfm = crypto_alloc_tfm("crc32c", 0);
if (tfm == NULL) {
printk("failed to load transform for crc32c\n");
return;
}
crypto_digest_init(tfm);
crypto_digest_final(tfm, (u8*)&crc);
printk(fmtdata, crc, (crc == 0) ? "pass" : "ERROR");
/*
* stuff test_vec with known values, simple incrementing
* byte values.
*/
b = 0;
for (i = 0; i < NUMVEC; i++) {
for (j = 0; j < VECSIZE; j++)
test_vec[i][j] = ++b;
sg_set_buf(&sg[i], test_vec[i], VECSIZE);
}
seed = SEEDTESTVAL;
(void)crypto_digest_setkey(tfm, (const u8*)&seed, sizeof(u32));
crypto_digest_init(tfm);
crypto_digest_final(tfm, (u8*)&crc);
printk("testing crc32c setkey returns %08x : %s\n", crc, (crc == (SEEDTESTVAL ^ ~(u32)0)) ?
"pass" : "ERROR");
printk("testing crc32c using update/final:\n");
pass = 1; /* assume all is well */
for (i = 0; i < NUMVEC; i++) {
seed = ~(u32)0;
(void)crypto_digest_setkey(tfm, (const u8*)&seed, sizeof(u32));
crypto_digest_init(tfm);
crypto_digest_update(tfm, &sg[i], 1);
crypto_digest_final(tfm, (u8*)&crc);
if (crc == vec_results[i]) {
printk(" %08x:OK", crc);
} else {
printk(" %08x:BAD, wanted %08x\n", crc, vec_results[i]);
pass = 0;
}
}
printk("\ntesting crc32c using incremental accumulator:\n");
crc = 0;
for (i = 0; i < NUMVEC; i++) {
seed = (crc ^ ~(u32)0);
(void)crypto_digest_setkey(tfm, (const u8*)&seed, sizeof(u32));
crypto_digest_init(tfm);
crypto_digest_update(tfm, &sg[i], 1);
crypto_digest_final(tfm, (u8*)&crc);
}
if (crc == tot_vec_results) {
printk(" %08x:OK", crc);
} else {
printk(" %08x:BAD, wanted %08x\n", crc, tot_vec_results);
pass = 0;
}
printk("\ntesting crc32c using digest:\n");
seed = ~(u32)0;
(void)crypto_digest_setkey(tfm, (const u8*)&seed, sizeof(u32));
crypto_digest_init(tfm);
crypto_digest_digest(tfm, sg, NUMVEC, (u8*)&crc);
if (crc == tot_vec_results) {
printk(" %08x:OK", crc);
} else {
printk(" %08x:BAD, wanted %08x\n", crc, tot_vec_results);
pass = 0;
}
printk("\n%s\n", pass ? "pass" : "ERROR");
crypto_free_tfm(tfm);
printk("crc32c test complete\n");
}
static void test_available(void)
{
char **name = check;
@ -969,7 +867,7 @@ static void do_test(void)
test_hash("tgr160", tgr160_tv_template, TGR160_TEST_VECTORS);
test_hash("tgr128", tgr128_tv_template, TGR128_TEST_VECTORS);
test_deflate();
test_crc32c();
test_hash("crc32c", crc32c_tv_template, CRC32C_TEST_VECTORS);
#ifdef CONFIG_CRYPTO_HMAC
test_hmac("md5", hmac_md5_tv_template, HMAC_MD5_TEST_VECTORS);
test_hmac("sha1", hmac_sha1_tv_template, HMAC_SHA1_TEST_VECTORS);
@ -1065,7 +963,7 @@ static void do_test(void)
break;
case 18:
test_crc32c();
test_hash("crc32c", crc32c_tv_template, CRC32C_TEST_VECTORS);
break;
case 19: