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authorHerbert Xu <herbert@gondor.apana.org.au>2008-07-31 12:23:53 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2008-08-29 15:48:57 +1000
commitf139cfa7cdccd0b315fad098889897b5fcd389b0 (patch)
tree365985f84f6dade6125f7d9a0e8cffcf30b87fa0 /crypto
parenta7581a01fbc69771a2b391de4220ba670c0aa261 (diff)
downloadlinux-linaro-f139cfa7cdccd0b315fad098889897b5fcd389b0.tar.gz
crypto: tcrypt - Avoid using contiguous pages
If tcrypt is to be used as a run-time integrity test, it needs to be more resilient in a hostile environment. For a start allocating 32K of physically contiguous memory is definitely out. This patch teaches it to use separate pages instead. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/tcrypt.c304
-rw-r--r--crypto/tcrypt.h8
2 files changed, 157 insertions, 155 deletions
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index 66368022e0b..b6d4b5ce00a 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -31,10 +31,10 @@
#include "tcrypt.h"
/*
- * Need to kmalloc() memory for testing.
+ * Need slab memory for testing (size in number of pages).
*/
-#define TVMEMSIZE 16384
-#define XBUFSIZE 32768
+#define TVMEMSIZE 4
+#define XBUFSIZE 8
/*
* Indexes into the xbuf to simulate cross-page access.
@@ -67,9 +67,9 @@ static unsigned int IDX[8] = { IDX1, IDX2, IDX3, IDX4, IDX5, IDX6, IDX7, IDX8 };
static unsigned int sec;
static int mode;
-static char *xbuf;
-static char *axbuf;
-static char *tvmem;
+static char *xbuf[XBUFSIZE];
+static char *axbuf[XBUFSIZE];
+static char *tvmem[TVMEMSIZE];
static char *check[] = {
"des", "md5", "des3_ede", "rot13", "sha1", "sha224", "sha256",
@@ -133,9 +133,7 @@ static void test_hash(char *algo, struct hash_testvec *template,
printk("test %u:\n", i + 1);
memset(result, 0, 64);
- hash_buff = kzalloc(template[i].psize, GFP_KERNEL);
- if (!hash_buff)
- continue;
+ hash_buff = xbuf[0];
memcpy(hash_buff, template[i].plaintext, template[i].psize);
sg_init_one(&sg[0], hash_buff, template[i].psize);
@@ -146,7 +144,6 @@ static void test_hash(char *algo, struct hash_testvec *template,
template[i].ksize);
if (ret) {
printk("setkey() failed ret=%d\n", ret);
- kfree(hash_buff);
goto out;
}
}
@@ -167,7 +164,6 @@ static void test_hash(char *algo, struct hash_testvec *template,
/* fall through */
default:
printk("digest () failed ret=%d\n", ret);
- kfree(hash_buff);
goto out;
}
@@ -176,14 +172,10 @@ static void test_hash(char *algo, struct hash_testvec *template,
memcmp(result, template[i].digest,
crypto_ahash_digestsize(tfm)) ?
"fail" : "pass");
- kfree(hash_buff);
}
printk("testing %s across pages\n", algo);
- /* setup the dummy buffer first */
- memset(xbuf, 0, XBUFSIZE);
-
j = 0;
for (i = 0; i < tcount; i++) {
if (template[i].np) {
@@ -194,12 +186,13 @@ static void test_hash(char *algo, struct hash_testvec *template,
temp = 0;
sg_init_table(sg, template[i].np);
for (k = 0; k < template[i].np; k++) {
- memcpy(&xbuf[IDX[k]],
- template[i].plaintext + temp,
- template[i].tap[k]);
+ sg_set_buf(&sg[k],
+ memcpy(xbuf[IDX[k] >> PAGE_SHIFT] +
+ offset_in_page(IDX[k]),
+ template[i].plaintext + temp,
+ template[i].tap[k]),
+ template[i].tap[k]);
temp += template[i].tap[k];
- sg_set_buf(&sg[k], &xbuf[IDX[k]],
- template[i].tap[k]);
}
if (template[i].ksize) {
@@ -298,15 +291,8 @@ static void test_aead(char *algo, int enc, struct aead_testvec *template,
/* some tepmplates have no input data but they will
* touch input
*/
- input = kzalloc(template[i].ilen + template[i].rlen, GFP_KERNEL);
- if (!input)
- continue;
-
- assoc = kzalloc(template[i].alen, GFP_KERNEL);
- if (!assoc) {
- kfree(input);
- continue;
- }
+ input = xbuf[0];
+ assoc = axbuf[0];
memcpy(input, template[i].input, template[i].ilen);
memcpy(assoc, template[i].assoc, template[i].alen);
@@ -320,10 +306,7 @@ static void test_aead(char *algo, int enc, struct aead_testvec *template,
crypto_aead_set_flags(
tfm, CRYPTO_TFM_REQ_WEAK_KEY);
- if (template[i].key)
- key = template[i].key;
- else
- key = kzalloc(template[i].klen, GFP_KERNEL);
+ key = template[i].key;
ret = crypto_aead_setkey(tfm, key,
template[i].klen);
@@ -332,7 +315,7 @@ static void test_aead(char *algo, int enc, struct aead_testvec *template,
crypto_aead_get_flags(tfm));
if (!template[i].fail)
- goto next_one;
+ continue;
}
authsize = abs(template[i].rlen - template[i].ilen);
@@ -341,7 +324,7 @@ static void test_aead(char *algo, int enc, struct aead_testvec *template,
printk(KERN_INFO
"failed to set authsize = %u\n",
authsize);
- goto next_one;
+ continue;
}
sg_init_one(&sg[0], input,
@@ -373,7 +356,7 @@ static void test_aead(char *algo, int enc, struct aead_testvec *template,
default:
printk(KERN_INFO "%s () failed err=%d\n",
e, -ret);
- goto next_one;
+ continue;
}
q = input;
@@ -382,16 +365,10 @@ static void test_aead(char *algo, int enc, struct aead_testvec *template,
printk(KERN_INFO "enc/dec: %s\n",
memcmp(q, template[i].result,
template[i].rlen) ? "fail" : "pass");
-next_one:
- if (!template[i].key)
- kfree(key);
- kfree(assoc);
- kfree(input);
}
}
printk(KERN_INFO "\ntesting %s %s across pages (chunking)\n", algo, e);
- memset(axbuf, 0, XBUFSIZE);
for (i = 0, j = 0; i < tcount; i++) {
if (template[i].np) {
@@ -418,18 +395,30 @@ next_one:
goto out;
}
- memset(xbuf, 0, XBUFSIZE);
+ authsize = abs(template[i].rlen - template[i].ilen);
+
sg_init_table(sg, template[i].np);
for (k = 0, temp = 0; k < template[i].np; k++) {
- memcpy(&xbuf[IDX[k]],
- template[i].input + temp,
+ if (WARN_ON(offset_in_page(IDX[k]) +
+ template[i].tap[k] > PAGE_SIZE))
+ goto out;
+
+ q = xbuf[IDX[k] >> PAGE_SHIFT] +
+ offset_in_page(IDX[k]);
+
+ memcpy(q, template[i].input + temp,
template[i].tap[k]);
+
+ n = template[i].tap[k];
+ if (k == template[i].np - 1 && enc)
+ n += authsize;
+ if (offset_in_page(q) + n < PAGE_SIZE)
+ q[n] = 0;
+
+ sg_set_buf(&sg[k], q, template[i].tap[k]);
temp += template[i].tap[k];
- sg_set_buf(&sg[k], &xbuf[IDX[k]],
- template[i].tap[k]);
}
- authsize = abs(template[i].rlen - template[i].ilen);
ret = crypto_aead_setauthsize(tfm, authsize);
if (ret) {
printk(KERN_INFO
@@ -438,17 +427,24 @@ next_one:
goto out;
}
- if (enc)
+ if (enc) {
+ if (WARN_ON(sg[k - 1].offset +
+ sg[k - 1].length + authsize >
+ PAGE_SIZE))
+ goto out;
+
sg[k - 1].length += authsize;
+ }
sg_init_table(asg, template[i].anp);
for (k = 0, temp = 0; k < template[i].anp; k++) {
- memcpy(&axbuf[IDX[k]],
- template[i].assoc + temp,
- template[i].atap[k]);
- temp += template[i].atap[k];
- sg_set_buf(&asg[k], &axbuf[IDX[k]],
+ sg_set_buf(&asg[k],
+ memcpy(axbuf[IDX[k] >> PAGE_SHIFT] +
+ offset_in_page(IDX[k]),
+ template[i].assoc + temp,
+ template[i].atap[k]),
template[i].atap[k]);
+ temp += template[i].atap[k];
}
aead_request_set_crypt(req, sg, sg,
@@ -481,7 +477,8 @@ next_one:
for (k = 0, temp = 0; k < template[i].np; k++) {
printk(KERN_INFO "page %u\n", k);
- q = &xbuf[IDX[k]];
+ q = xbuf[IDX[k] >> PAGE_SHIFT] +
+ offset_in_page(IDX[k]);
n = template[i].tap[k];
if (k == template[i].np - 1)
@@ -499,7 +496,8 @@ next_one:
else
n = 0;
} else {
- for (n = 0; q[n]; n++)
+ for (n = 0; offset_in_page(q + n) &&
+ q[n]; n++)
;
}
if (n) {
@@ -558,12 +556,6 @@ static void test_cipher(char *algo, int enc,
j = 0;
for (i = 0; i < tcount; i++) {
-
- data = kzalloc(template[i].ilen, GFP_KERNEL);
- if (!data)
- continue;
-
- memcpy(data, template[i].input, template[i].ilen);
if (template[i].iv)
memcpy(iv, template[i].iv, MAX_IVLEN);
else
@@ -574,6 +566,9 @@ static void test_cipher(char *algo, int enc,
printk("test %u (%d bit key):\n",
j, template[i].klen * 8);
+ data = xbuf[0];
+ memcpy(data, template[i].input, template[i].ilen);
+
crypto_ablkcipher_clear_flags(tfm, ~0);
if (template[i].wk)
crypto_ablkcipher_set_flags(
@@ -585,10 +580,8 @@ static void test_cipher(char *algo, int enc,
printk("setkey() failed flags=%x\n",
crypto_ablkcipher_get_flags(tfm));
- if (!template[i].fail) {
- kfree(data);
+ if (!template[i].fail)
goto out;
- }
}
sg_init_one(&sg[0], data, template[i].ilen);
@@ -613,7 +606,6 @@ static void test_cipher(char *algo, int enc,
/* fall through */
default:
printk("%s () failed err=%d\n", e, -ret);
- kfree(data);
goto out;
}
@@ -624,7 +616,6 @@ static void test_cipher(char *algo, int enc,
memcmp(q, template[i].result,
template[i].rlen) ? "fail" : "pass");
}
- kfree(data);
}
printk("\ntesting %s %s across pages (chunking)\n", algo, e);
@@ -642,7 +633,6 @@ static void test_cipher(char *algo, int enc,
printk("test %u (%d bit key):\n",
j, template[i].klen * 8);
- memset(xbuf, 0, XBUFSIZE);
crypto_ablkcipher_clear_flags(tfm, ~0);
if (template[i].wk)
crypto_ablkcipher_set_flags(
@@ -661,12 +651,23 @@ static void test_cipher(char *algo, int enc,
temp = 0;
sg_init_table(sg, template[i].np);
for (k = 0; k < template[i].np; k++) {
- memcpy(&xbuf[IDX[k]],
- template[i].input + temp,
- template[i].tap[k]);
+ if (WARN_ON(offset_in_page(IDX[k]) +
+ template[i].tap[k] > PAGE_SIZE))
+ goto out;
+
+ q = xbuf[IDX[k] >> PAGE_SHIFT] +
+ offset_in_page(IDX[k]);
+
+ memcpy(q, template[i].input + temp,
+ template[i].tap[k]);
+
+ if (offset_in_page(q) + template[i].tap[k] <
+ PAGE_SIZE)
+ q[template[i].tap[k]] = 0;
+
+ sg_set_buf(&sg[k], q, template[i].tap[k]);
+
temp += template[i].tap[k];
- sg_set_buf(&sg[k], &xbuf[IDX[k]],
- template[i].tap[k]);
}
ablkcipher_request_set_crypt(req, sg, sg,
@@ -696,19 +697,21 @@ static void test_cipher(char *algo, int enc,
temp = 0;
for (k = 0; k < template[i].np; k++) {
printk("page %u\n", k);
- q = &xbuf[IDX[k]];
+ q = xbuf[IDX[k] >> PAGE_SHIFT] +
+ offset_in_page(IDX[k]);
hexdump(q, template[i].tap[k]);
printk("%s\n",
memcmp(q, template[i].result + temp,
template[i].tap[k]) ? "fail" :
"pass");
- for (n = 0; q[template[i].tap[k] + n]; n++)
+ q += template[i].tap[k];
+ for (n = 0; offset_in_page(q + n) && q[n]; n++)
;
if (n) {
printk("Result buffer corruption %u "
"bytes:\n", n);
- hexdump(&q[template[i].tap[k]], n);
+ hexdump(q, n);
}
temp += template[i].tap[k];
}
@@ -719,16 +722,13 @@ out:
ablkcipher_request_free(req);
}
-static int test_cipher_jiffies(struct blkcipher_desc *desc, int enc, char *p,
- int blen, int sec)
+static int test_cipher_jiffies(struct blkcipher_desc *desc, int enc,
+ struct scatterlist *sg, int blen, int sec)
{
- struct scatterlist sg[1];
unsigned long start, end;
int bcount;
int ret;
- sg_init_one(sg, p, blen);
-
for (start = jiffies, end = start + sec * HZ, bcount = 0;
time_before(jiffies, end); bcount++) {
if (enc)
@@ -745,16 +745,13 @@ static int test_cipher_jiffies(struct blkcipher_desc *desc, int enc, char *p,
return 0;
}
-static int test_cipher_cycles(struct blkcipher_desc *desc, int enc, char *p,
- int blen)
+static int test_cipher_cycles(struct blkcipher_desc *desc, int enc,
+ struct scatterlist *sg, int blen)
{
- struct scatterlist sg[1];
unsigned long cycles = 0;
int ret = 0;
int i;
- sg_init_one(sg, p, blen);
-
local_bh_disable();
local_irq_disable();
@@ -804,7 +801,7 @@ static void test_cipher_speed(char *algo, int enc, unsigned int sec,
unsigned int tcount, u8 *keysize)
{
unsigned int ret, i, j, iv_len;
- unsigned char *key, *p, iv[128];
+ unsigned char *key, iv[128];
struct crypto_blkcipher *tfm;
struct blkcipher_desc desc;
const char *e;
@@ -832,27 +829,28 @@ static void test_cipher_speed(char *algo, int enc, unsigned int sec,
b_size = block_sizes;
do {
+ struct scatterlist sg[TVMEMSIZE];
- if ((*keysize + *b_size) > TVMEMSIZE) {
- printk("template (%u) too big for tvmem (%u)\n",
- *keysize + *b_size, TVMEMSIZE);
+ if ((*keysize + *b_size) > TVMEMSIZE * PAGE_SIZE) {
+ printk("template (%u) too big for "
+ "tvmem (%lu)\n", *keysize + *b_size,
+ TVMEMSIZE * PAGE_SIZE);
goto out;
}
printk("test %u (%d bit key, %d byte blocks): ", i,
*keysize * 8, *b_size);
- memset(tvmem, 0xff, *keysize + *b_size);
+ memset(tvmem[0], 0xff, PAGE_SIZE);
/* set key, plain text and IV */
- key = (unsigned char *)tvmem;
+ key = (unsigned char *)tvmem[0];
for (j = 0; j < tcount; j++) {
if (template[j].klen == *keysize) {
key = template[j].key;
break;
}
}
- p = (unsigned char *)tvmem + *keysize;
ret = crypto_blkcipher_setkey(tfm, key, *keysize);
if (ret) {
@@ -861,6 +859,14 @@ static void test_cipher_speed(char *algo, int enc, unsigned int sec,
goto out;
}
+ sg_init_table(sg, TVMEMSIZE);
+ sg_set_buf(sg, tvmem[0] + *keysize,
+ PAGE_SIZE - *keysize);
+ for (j = 1; j < TVMEMSIZE; j++) {
+ sg_set_buf(sg + j, tvmem[j], PAGE_SIZE);
+ memset (tvmem[j], 0xff, PAGE_SIZE);
+ }
+
iv_len = crypto_blkcipher_ivsize(tfm);
if (iv_len) {
memset(&iv, 0xff, iv_len);
@@ -868,9 +874,11 @@ static void test_cipher_speed(char *algo, int enc, unsigned int sec,
}
if (sec)
- ret = test_cipher_jiffies(&desc, enc, p, *b_size, sec);
+ ret = test_cipher_jiffies(&desc, enc, sg,
+ *b_size, sec);
else
- ret = test_cipher_cycles(&desc, enc, p, *b_size);
+ ret = test_cipher_cycles(&desc, enc, sg,
+ *b_size);
if (ret) {
printk("%s() failed flags=%x\n", e, desc.flags);
@@ -886,19 +894,16 @@ out:
crypto_free_blkcipher(tfm);
}
-static int test_hash_jiffies_digest(struct hash_desc *desc, char *p, int blen,
+static int test_hash_jiffies_digest(struct hash_desc *desc,
+ struct scatterlist *sg, int blen,
char *out, int sec)
{
- struct scatterlist sg[1];
unsigned long start, end;
int bcount;
int ret;
- sg_init_table(sg, 1);
-
for (start = jiffies, end = start + sec * HZ, bcount = 0;
time_before(jiffies, end); bcount++) {
- sg_set_buf(sg, p, blen);
ret = crypto_hash_digest(desc, sg, blen, out);
if (ret)
return ret;
@@ -910,18 +915,15 @@ static int test_hash_jiffies_digest(struct hash_desc *desc, char *p, int blen,
return 0;
}
-static int test_hash_jiffies(struct hash_desc *desc, char *p, int blen,
- int plen, char *out, int sec)
+static int test_hash_jiffies(struct hash_desc *desc, struct scatterlist *sg,
+ int blen, int plen, char *out, int sec)
{
- struct scatterlist sg[1];
unsigned long start, end;
int bcount, pcount;
int ret;
if (plen == blen)
- return test_hash_jiffies_digest(desc, p, blen, out, sec);
-
- sg_init_table(sg, 1);
+ return test_hash_jiffies_digest(desc, sg, blen, out, sec);
for (start = jiffies, end = start + sec * HZ, bcount = 0;
time_before(jiffies, end); bcount++) {
@@ -929,7 +931,6 @@ static int test_hash_jiffies(struct hash_desc *desc, char *p, int blen,
if (ret)
return ret;
for (pcount = 0; pcount < blen; pcount += plen) {
- sg_set_buf(sg, p + pcount, plen);
ret = crypto_hash_update(desc, sg, plen);
if (ret)
return ret;
@@ -946,22 +947,18 @@ static int test_hash_jiffies(struct hash_desc *desc, char *p, int blen,
return 0;
}
-static int test_hash_cycles_digest(struct hash_desc *desc, char *p, int blen,
- char *out)
+static int test_hash_cycles_digest(struct hash_desc *desc,
+ struct scatterlist *sg, int blen, char *out)
{
- struct scatterlist sg[1];
unsigned long cycles = 0;
int i;
int ret;
- sg_init_table(sg, 1);
-
local_bh_disable();
local_irq_disable();
/* Warm-up run. */
for (i = 0; i < 4; i++) {
- sg_set_buf(sg, p, blen);
ret = crypto_hash_digest(desc, sg, blen, out);
if (ret)
goto out;
@@ -973,7 +970,6 @@ static int test_hash_cycles_digest(struct hash_desc *desc, char *p, int blen,
start = get_cycles();
- sg_set_buf(sg, p, blen);
ret = crypto_hash_digest(desc, sg, blen, out);
if (ret)
goto out;
@@ -996,18 +992,15 @@ out:
return 0;
}
-static int test_hash_cycles(struct hash_desc *desc, char *p, int blen,
- int plen, char *out)
+static int test_hash_cycles(struct hash_desc *desc, struct scatterlist *sg,
+ int blen, int plen, char *out)
{
- struct scatterlist sg[1];
unsigned long cycles = 0;
int i, pcount;
int ret;
if (plen == blen)
- return test_hash_cycles_digest(desc, p, blen, out);
-
- sg_init_table(sg, 1);
+ return test_hash_cycles_digest(desc, sg, blen, out);
local_bh_disable();
local_irq_disable();
@@ -1018,7 +1011,6 @@ static int test_hash_cycles(struct hash_desc *desc, char *p, int blen,
if (ret)
goto out;
for (pcount = 0; pcount < blen; pcount += plen) {
- sg_set_buf(sg, p + pcount, plen);
ret = crypto_hash_update(desc, sg, plen);
if (ret)
goto out;
@@ -1038,7 +1030,6 @@ static int test_hash_cycles(struct hash_desc *desc, char *p, int blen,
if (ret)
goto out;
for (pcount = 0; pcount < blen; pcount += plen) {
- sg_set_buf(sg, p + pcount, plen);
ret = crypto_hash_update(desc, sg, plen);
if (ret)
goto out;
@@ -1068,6 +1059,7 @@ out:
static void test_hash_speed(char *algo, unsigned int sec,
struct hash_speed *speed)
{
+ struct scatterlist sg[TVMEMSIZE];
struct crypto_hash *tfm;
struct hash_desc desc;
char output[1024];
@@ -1093,23 +1085,27 @@ static void test_hash_speed(char *algo, unsigned int sec,
goto out;
}
+ sg_init_table(sg, TVMEMSIZE);
+ for (i = 0; i < TVMEMSIZE; i++) {
+ sg_set_buf(sg + i, tvmem[i], PAGE_SIZE);
+ memset(tvmem[i], 0xff, PAGE_SIZE);
+ }
+
for (i = 0; speed[i].blen != 0; i++) {
- if (speed[i].blen > TVMEMSIZE) {
- printk("template (%u) too big for tvmem (%u)\n",
- speed[i].blen, TVMEMSIZE);
+ if (speed[i].blen > TVMEMSIZE * PAGE_SIZE) {
+ printk("template (%u) too big for tvmem (%lu)\n",
+ speed[i].blen, TVMEMSIZE * PAGE_SIZE);
goto out;
}
printk("test%3u (%5u byte blocks,%5u bytes per update,%4u updates): ",
i, speed[i].blen, speed[i].plen, speed[i].blen / speed[i].plen);
- memset(tvmem, 0xff, speed[i].blen);
-
if (sec)
- ret = test_hash_jiffies(&desc, tvmem, speed[i].blen,
+ ret = test_hash_jiffies(&desc, sg, speed[i].blen,
speed[i].plen, output, sec);
else
- ret = test_hash_cycles(&desc, tvmem, speed[i].blen,
+ ret = test_hash_cycles(&desc, sg, speed[i].blen,
speed[i].plen, output);
if (ret) {
@@ -1128,7 +1124,6 @@ static void test_comp(char *algo, struct comp_testvec *ctemplate,
unsigned int i;
char result[COMP_BUF_SIZE];
struct crypto_comp *tfm;
- unsigned int tsize;
printk("\ntesting %s compression\n", algo);
@@ -1159,14 +1154,6 @@ static void test_comp(char *algo, struct comp_testvec *ctemplate,
printk("\ntesting %s decompression\n", algo);
- tsize = sizeof(struct comp_testvec);
- tsize *= dtcount;
- if (tsize > TVMEMSIZE) {
- printk("template (%u) too big for tvmem (%u)\n", tsize,
- TVMEMSIZE);
- goto out;
- }
-
for (i = 0; i < dtcount; i++) {
int ilen, ret, dlen = COMP_BUF_SIZE;
@@ -1185,7 +1172,7 @@ static void test_comp(char *algo, struct comp_testvec *ctemplate,
memcmp(result, dtemplate[i].output, dlen) ? "fail" : "pass",
ilen, dlen);
}
-out:
+
crypto_free_comp(tfm);
}
@@ -1917,18 +1904,25 @@ static void do_test(void)
static int __init tcrypt_mod_init(void)
{
int err = -ENOMEM;
+ int i;
- tvmem = kmalloc(TVMEMSIZE, GFP_KERNEL);
- if (tvmem == NULL)
- return err;
+ for (i = 0; i < TVMEMSIZE; i++) {
+ tvmem[i] = (void *)__get_free_page(GFP_KERNEL);
+ if (!tvmem[i])
+ goto err_free_tv;
+ }
- xbuf = kmalloc(XBUFSIZE, GFP_KERNEL);
- if (xbuf == NULL)
- goto err_free_tv;
+ for (i = 0; i < XBUFSIZE; i++) {
+ xbuf[i] = (void *)__get_free_page(GFP_KERNEL);
+ if (!xbuf[i])
+ goto err_free_xbuf;
+ }
- axbuf = kmalloc(XBUFSIZE, GFP_KERNEL);
- if (axbuf == NULL)
- goto err_free_xbuf;
+ for (i = 0; i < XBUFSIZE; i++) {
+ axbuf[i] = (void *)__get_free_page(GFP_KERNEL);
+ if (!axbuf[i])
+ goto err_free_axbuf;
+ }
do_test();
@@ -1940,11 +1934,15 @@ static int __init tcrypt_mod_init(void)
*/
err = -EAGAIN;
- kfree(axbuf);
- err_free_xbuf:
- kfree(xbuf);
- err_free_tv:
- kfree(tvmem);
+err_free_axbuf:
+ for (i = 0; i < XBUFSIZE && axbuf[i]; i++)
+ free_page((unsigned long)axbuf[i]);
+err_free_xbuf:
+ for (i = 0; i < XBUFSIZE && xbuf[i]; i++)
+ free_page((unsigned long)xbuf[i]);
+err_free_tv:
+ for (i = 0; i < TVMEMSIZE && tvmem[i]; i++)
+ free_page((unsigned long)tvmem[i]);
return err;
}
diff --git a/crypto/tcrypt.h b/crypto/tcrypt.h
index 801e0c28886..c6254a1776f 100644
--- a/crypto/tcrypt.h
+++ b/crypto/tcrypt.h
@@ -39,7 +39,7 @@ struct cipher_testvec {
char *iv;
char *input;
char *result;
- unsigned char tap[MAX_TAP];
+ unsigned short tap[MAX_TAP];
int np;
unsigned char fail;
unsigned char wk; /* weak key flag */
@@ -5111,6 +5111,8 @@ static struct cipher_testvec aes_ctr_enc_tv_template[] = {
"\x4b\xef\x31\x18\xea\xac\xb1\x84"
"\x21\xed\xda\x86",
.rlen = 4100,
+ .np = 2,
+ .tap = { 4064, 36 },
},
};
@@ -8126,7 +8128,9 @@ static struct cipher_testvec salsa20_stream_enc_tv_template[] = {
"\xfc\x3f\x09\x7a\x0b\xdc\xc5\x1b"
"\x87\x13\xc6\x5b\x59\x8d\xf2\xc8"
"\xaf\xdf\x11\x95",
- .rlen = 4100,
+ .rlen = 4100,
+ .np = 2,
+ .tap = { 4064, 36 },
},
};