* Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org>
* Copyright (c) 2007 Nokia Siemens Networks
* Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>
+ * Copyright (c) 2019 Google LLC
*
* Updated RFC4106 AES-GCM testing.
* Authors: Aidan O'Mahony (aidan.o.mahony@intel.com)
#include <linux/err.h>
#include <linux/fips.h>
#include <linux/module.h>
+#include <linux/once.h>
+#include <linux/random.h>
#include <linux/scatterlist.h>
#include <linux/slab.h>
#include <linux/string.h>
module_param(notests, bool, 0644);
MODULE_PARM_DESC(notests, "disable crypto self-tests");
+#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
+static bool noextratests;
+module_param(noextratests, bool, 0644);
+MODULE_PARM_DESC(noextratests, "disable expensive crypto self-tests");
+
+static unsigned int fuzz_iterations = 100;
+module_param(fuzz_iterations, uint, 0644);
+MODULE_PARM_DESC(fuzz_iterations, "number of fuzz test iterations");
+#endif
+
#ifdef CONFIG_CRYPTO_MANAGER_DISABLE_TESTS
/* a perfect nop */
*/
#define XBUFSIZE 8
-/*
- * Indexes into the xbuf to simulate cross-page access.
- */
-#define IDX1 32
-#define IDX2 32400
-#define IDX3 1511
-#define IDX4 8193
-#define IDX5 22222
-#define IDX6 17101
-#define IDX7 27333
-#define IDX8 3000
-
/*
* Used by test_cipher()
*/
} suite;
};
-static const unsigned int IDX[8] = {
- IDX1, IDX2, IDX3, IDX4, IDX5, IDX6, IDX7, IDX8 };
-
static void hexdump(unsigned char *buf, unsigned int len)
{
print_hex_dump(KERN_CONT, "", DUMP_PREFIX_OFFSET,
buf, len, false);
}
-static int testmgr_alloc_buf(char *buf[XBUFSIZE])
+static int __testmgr_alloc_buf(char *buf[XBUFSIZE], int order)
{
int i;
for (i = 0; i < XBUFSIZE; i++) {
- buf[i] = (void *)__get_free_page(GFP_KERNEL);
+ buf[i] = (char *)__get_free_pages(GFP_KERNEL, order);
if (!buf[i])
goto err_free_buf;
}
err_free_buf:
while (i-- > 0)
- free_page((unsigned long)buf[i]);
+ free_pages((unsigned long)buf[i], order);
return -ENOMEM;
}
-static void testmgr_free_buf(char *buf[XBUFSIZE])
+static int testmgr_alloc_buf(char *buf[XBUFSIZE])
+{
+ return __testmgr_alloc_buf(buf, 0);
+}
+
+static void __testmgr_free_buf(char *buf[XBUFSIZE], int order)
{
int i;
for (i = 0; i < XBUFSIZE; i++)
- free_page((unsigned long)buf[i]);
+ free_pages((unsigned long)buf[i], order);
}
-static int ahash_guard_result(char *result, char c, int size)
+static void testmgr_free_buf(char *buf[XBUFSIZE])
{
- int i;
+ __testmgr_free_buf(buf, 0);
+}
- for (i = 0; i < size; i++) {
- if (result[i] != c)
- return -EINVAL;
- }
+#define TESTMGR_POISON_BYTE 0xfe
+#define TESTMGR_POISON_LEN 16
- return 0;
+static inline void testmgr_poison(void *addr, size_t len)
+{
+ memset(addr, TESTMGR_POISON_BYTE, len);
}
-static int ahash_partial_update(struct ahash_request **preq,
- struct crypto_ahash *tfm, const struct hash_testvec *template,
- void *hash_buff, int k, int temp, struct scatterlist *sg,
- const char *algo, char *result, struct crypto_wait *wait)
+/* Is the memory region still fully poisoned? */
+static inline bool testmgr_is_poison(const void *addr, size_t len)
{
- char *state;
- struct ahash_request *req;
- int statesize, ret = -EINVAL;
- static const unsigned char guard[] = { 0x00, 0xba, 0xad, 0x00 };
- int digestsize = crypto_ahash_digestsize(tfm);
-
- req = *preq;
- statesize = crypto_ahash_statesize(
- crypto_ahash_reqtfm(req));
- state = kmalloc(statesize + sizeof(guard), GFP_KERNEL);
- if (!state) {
- pr_err("alg: hash: Failed to alloc state for %s\n", algo);
- goto out_nostate;
- }
- memcpy(state + statesize, guard, sizeof(guard));
- memset(result, 1, digestsize);
- ret = crypto_ahash_export(req, state);
- WARN_ON(memcmp(state + statesize, guard, sizeof(guard)));
- if (ret) {
- pr_err("alg: hash: Failed to export() for %s\n", algo);
- goto out;
- }
- ret = ahash_guard_result(result, 1, digestsize);
- if (ret) {
- pr_err("alg: hash: Failed, export used req->result for %s\n",
- algo);
- goto out;
- }
- ahash_request_free(req);
- req = ahash_request_alloc(tfm, GFP_KERNEL);
- if (!req) {
- pr_err("alg: hash: Failed to alloc request for %s\n", algo);
- goto out_noreq;
- }
- ahash_request_set_callback(req,
- CRYPTO_TFM_REQ_MAY_BACKLOG,
- crypto_req_done, wait);
-
- memcpy(hash_buff, template->plaintext + temp,
- template->tap[k]);
- sg_init_one(&sg[0], hash_buff, template->tap[k]);
- ahash_request_set_crypt(req, sg, result, template->tap[k]);
- ret = crypto_ahash_import(req, state);
- if (ret) {
- pr_err("alg: hash: Failed to import() for %s\n", algo);
- goto out;
+ return memchr_inv(addr, TESTMGR_POISON_BYTE, len) == NULL;
+}
+
+/* flush type for hash algorithms */
+enum flush_type {
+ /* merge with update of previous buffer(s) */
+ FLUSH_TYPE_NONE = 0,
+
+ /* update with previous buffer(s) before doing this one */
+ FLUSH_TYPE_FLUSH,
+
+ /* likewise, but also export and re-import the intermediate state */
+ FLUSH_TYPE_REIMPORT,
+};
+
+/* finalization function for hash algorithms */
+enum finalization_type {
+ FINALIZATION_TYPE_FINAL, /* use final() */
+ FINALIZATION_TYPE_FINUP, /* use finup() */
+ FINALIZATION_TYPE_DIGEST, /* use digest() */
+};
+
+#define TEST_SG_TOTAL 10000
+
+/**
+ * struct test_sg_division - description of a scatterlist entry
+ *
+ * This struct describes one entry of a scatterlist being constructed to check a
+ * crypto test vector.
+ *
+ * @proportion_of_total: length of this chunk relative to the total length,
+ * given as a proportion out of TEST_SG_TOTAL so that it
+ * scales to fit any test vector
+ * @offset: byte offset into a 2-page buffer at which this chunk will start
+ * @offset_relative_to_alignmask: if true, add the algorithm's alignmask to the
+ * @offset
+ * @flush_type: for hashes, whether an update() should be done now vs.
+ * continuing to accumulate data
+ */
+struct test_sg_division {
+ unsigned int proportion_of_total;
+ unsigned int offset;
+ bool offset_relative_to_alignmask;
+ enum flush_type flush_type;
+};
+
+/**
+ * struct testvec_config - configuration for testing a crypto test vector
+ *
+ * This struct describes the data layout and other parameters with which each
+ * crypto test vector can be tested.
+ *
+ * @name: name of this config, logged for debugging purposes if a test fails
+ * @inplace: operate on the data in-place, if applicable for the algorithm type?
+ * @req_flags: extra request_flags, e.g. CRYPTO_TFM_REQ_MAY_SLEEP
+ * @src_divs: description of how to arrange the source scatterlist
+ * @dst_divs: description of how to arrange the dst scatterlist, if applicable
+ * for the algorithm type. Defaults to @src_divs if unset.
+ * @iv_offset: misalignment of the IV in the range [0..MAX_ALGAPI_ALIGNMASK+1],
+ * where 0 is aligned to a 2*(MAX_ALGAPI_ALIGNMASK+1) byte boundary
+ * @iv_offset_relative_to_alignmask: if true, add the algorithm's alignmask to
+ * the @iv_offset
+ * @finalization_type: what finalization function to use for hashes
+ */
+struct testvec_config {
+ const char *name;
+ bool inplace;
+ u32 req_flags;
+ struct test_sg_division src_divs[XBUFSIZE];
+ struct test_sg_division dst_divs[XBUFSIZE];
+ unsigned int iv_offset;
+ bool iv_offset_relative_to_alignmask;
+ enum finalization_type finalization_type;
+};
+
+#define TESTVEC_CONFIG_NAMELEN 192
+
+/*
+ * The following are the lists of testvec_configs to test for each algorithm
+ * type when the basic crypto self-tests are enabled, i.e. when
+ * CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is unset. They aim to provide good test
+ * coverage, while keeping the test time much shorter than the full fuzz tests
+ * so that the basic tests can be enabled in a wider range of circumstances.
+ */
+
+/* Configs for skciphers and aeads */
+static const struct testvec_config default_cipher_testvec_configs[] = {
+ {
+ .name = "in-place",
+ .inplace = true,
+ .src_divs = { { .proportion_of_total = 10000 } },
+ }, {
+ .name = "out-of-place",
+ .src_divs = { { .proportion_of_total = 10000 } },
+ }, {
+ .name = "unaligned buffer, offset=1",
+ .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
+ .iv_offset = 1,
+ }, {
+ .name = "buffer aligned only to alignmask",
+ .src_divs = {
+ {
+ .proportion_of_total = 10000,
+ .offset = 1,
+ .offset_relative_to_alignmask = true,
+ },
+ },
+ .iv_offset = 1,
+ .iv_offset_relative_to_alignmask = true,
+ }, {
+ .name = "two even aligned splits",
+ .src_divs = {
+ { .proportion_of_total = 5000 },
+ { .proportion_of_total = 5000 },
+ },
+ }, {
+ .name = "uneven misaligned splits, may sleep",
+ .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
+ .src_divs = {
+ { .proportion_of_total = 1900, .offset = 33 },
+ { .proportion_of_total = 3300, .offset = 7 },
+ { .proportion_of_total = 4800, .offset = 18 },
+ },
+ .iv_offset = 3,
+ }, {
+ .name = "misaligned splits crossing pages, inplace",
+ .inplace = true,
+ .src_divs = {
+ {
+ .proportion_of_total = 7500,
+ .offset = PAGE_SIZE - 32
+ }, {
+ .proportion_of_total = 2500,
+ .offset = PAGE_SIZE - 7
+ },
+ },
}
- ret = ahash_guard_result(result, 1, digestsize);
- if (ret) {
- pr_err("alg: hash: Failed, import used req->result for %s\n",
- algo);
- goto out;
+};
+
+static const struct testvec_config default_hash_testvec_configs[] = {
+ {
+ .name = "init+update+final aligned buffer",
+ .src_divs = { { .proportion_of_total = 10000 } },
+ .finalization_type = FINALIZATION_TYPE_FINAL,
+ }, {
+ .name = "init+finup aligned buffer",
+ .src_divs = { { .proportion_of_total = 10000 } },
+ .finalization_type = FINALIZATION_TYPE_FINUP,
+ }, {
+ .name = "digest aligned buffer",
+ .src_divs = { { .proportion_of_total = 10000 } },
+ .finalization_type = FINALIZATION_TYPE_DIGEST,
+ }, {
+ .name = "init+update+final misaligned buffer",
+ .src_divs = { { .proportion_of_total = 10000, .offset = 1 } },
+ .finalization_type = FINALIZATION_TYPE_FINAL,
+ }, {
+ .name = "digest buffer aligned only to alignmask",
+ .src_divs = {
+ {
+ .proportion_of_total = 10000,
+ .offset = 1,
+ .offset_relative_to_alignmask = true,
+ },
+ },
+ .finalization_type = FINALIZATION_TYPE_DIGEST,
+ }, {
+ .name = "init+update+update+final two even splits",
+ .src_divs = {
+ { .proportion_of_total = 5000 },
+ {
+ .proportion_of_total = 5000,
+ .flush_type = FLUSH_TYPE_FLUSH,
+ },
+ },
+ .finalization_type = FINALIZATION_TYPE_FINAL,
+ }, {
+ .name = "digest uneven misaligned splits, may sleep",
+ .req_flags = CRYPTO_TFM_REQ_MAY_SLEEP,
+ .src_divs = {
+ { .proportion_of_total = 1900, .offset = 33 },
+ { .proportion_of_total = 3300, .offset = 7 },
+ { .proportion_of_total = 4800, .offset = 18 },
+ },
+ .finalization_type = FINALIZATION_TYPE_DIGEST,
+ }, {
+ .name = "digest misaligned splits crossing pages",
+ .src_divs = {
+ {
+ .proportion_of_total = 7500,
+ .offset = PAGE_SIZE - 32,
+ }, {
+ .proportion_of_total = 2500,
+ .offset = PAGE_SIZE - 7,
+ },
+ },
+ .finalization_type = FINALIZATION_TYPE_DIGEST,
+ }, {
+ .name = "import/export",
+ .src_divs = {
+ {
+ .proportion_of_total = 6500,
+ .flush_type = FLUSH_TYPE_REIMPORT,
+ }, {
+ .proportion_of_total = 3500,
+ .flush_type = FLUSH_TYPE_REIMPORT,
+ },
+ },
+ .finalization_type = FINALIZATION_TYPE_FINAL,
}
- ret = crypto_wait_req(crypto_ahash_update(req), wait);
- if (ret)
- goto out;
- *preq = req;
- ret = 0;
- goto out_noreq;
-out:
- ahash_request_free(req);
-out_noreq:
- kfree(state);
-out_nostate:
- return ret;
+};
+
+static unsigned int count_test_sg_divisions(const struct test_sg_division *divs)
+{
+ unsigned int remaining = TEST_SG_TOTAL;
+ unsigned int ndivs = 0;
+
+ do {
+ remaining -= divs[ndivs++].proportion_of_total;
+ } while (remaining);
+
+ return ndivs;
}
-enum hash_test {
- HASH_TEST_DIGEST,
- HASH_TEST_FINAL,
- HASH_TEST_FINUP
-};
+static bool valid_sg_divisions(const struct test_sg_division *divs,
+ unsigned int count, bool *any_flushes_ret)
+{
+ unsigned int total = 0;
+ unsigned int i;
-static int __test_hash(struct crypto_ahash *tfm,
- const struct hash_testvec *template, unsigned int tcount,
- enum hash_test test_type, const int align_offset)
+ for (i = 0; i < count && total != TEST_SG_TOTAL; i++) {
+ if (divs[i].proportion_of_total <= 0 ||
+ divs[i].proportion_of_total > TEST_SG_TOTAL - total)
+ return false;
+ total += divs[i].proportion_of_total;
+ if (divs[i].flush_type != FLUSH_TYPE_NONE)
+ *any_flushes_ret = true;
+ }
+ return total == TEST_SG_TOTAL &&
+ memchr_inv(&divs[i], 0, (count - i) * sizeof(divs[0])) == NULL;
+}
+
+/*
+ * Check whether the given testvec_config is valid. This isn't strictly needed
+ * since every testvec_config should be valid, but check anyway so that people
+ * don't unknowingly add broken configs that don't do what they wanted.
+ */
+static bool valid_testvec_config(const struct testvec_config *cfg)
{
- const char *algo = crypto_tfm_alg_driver_name(crypto_ahash_tfm(tfm));
- size_t digest_size = crypto_ahash_digestsize(tfm);
- unsigned int i, j, k, temp;
- struct scatterlist sg[8];
- char *result;
- char *key;
- struct ahash_request *req;
- struct crypto_wait wait;
- void *hash_buff;
- char *xbuf[XBUFSIZE];
- int ret = -ENOMEM;
+ bool any_flushes = false;
- result = kmalloc(digest_size, GFP_KERNEL);
- if (!result)
- return ret;
- key = kmalloc(MAX_KEYLEN, GFP_KERNEL);
- if (!key)
- goto out_nobuf;
- if (testmgr_alloc_buf(xbuf))
- goto out_nobuf;
+ if (cfg->name == NULL)
+ return false;
- crypto_init_wait(&wait);
+ if (!valid_sg_divisions(cfg->src_divs, ARRAY_SIZE(cfg->src_divs),
+ &any_flushes))
+ return false;
- req = ahash_request_alloc(tfm, GFP_KERNEL);
- if (!req) {
- printk(KERN_ERR "alg: hash: Failed to allocate request for "
- "%s\n", algo);
- goto out_noreq;
+ if (cfg->dst_divs[0].proportion_of_total) {
+ if (!valid_sg_divisions(cfg->dst_divs,
+ ARRAY_SIZE(cfg->dst_divs),
+ &any_flushes))
+ return false;
+ } else {
+ if (memchr_inv(cfg->dst_divs, 0, sizeof(cfg->dst_divs)))
+ return false;
+ /* defaults to dst_divs=src_divs */
}
- ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
- crypto_req_done, &wait);
- j = 0;
- for (i = 0; i < tcount; i++) {
- if (template[i].np)
- continue;
+ if (cfg->iv_offset +
+ (cfg->iv_offset_relative_to_alignmask ? MAX_ALGAPI_ALIGNMASK : 0) >
+ MAX_ALGAPI_ALIGNMASK + 1)
+ return false;
- ret = -EINVAL;
- if (WARN_ON(align_offset + template[i].psize > PAGE_SIZE))
- goto out;
+ if (any_flushes && cfg->finalization_type == FINALIZATION_TYPE_DIGEST)
+ return false;
- j++;
- memset(result, 0, digest_size);
+ return true;
+}
- hash_buff = xbuf[0];
- hash_buff += align_offset;
+struct test_sglist {
+ char *bufs[XBUFSIZE];
+ struct scatterlist sgl[XBUFSIZE];
+ struct scatterlist sgl_saved[XBUFSIZE];
+ struct scatterlist *sgl_ptr;
+ unsigned int nents;
+};
- memcpy(hash_buff, template[i].plaintext, template[i].psize);
- sg_init_one(&sg[0], hash_buff, template[i].psize);
+static int init_test_sglist(struct test_sglist *tsgl)
+{
+ return __testmgr_alloc_buf(tsgl->bufs, 1 /* two pages per buffer */);
+}
- if (template[i].ksize) {
- crypto_ahash_clear_flags(tfm, ~0);
- if (template[i].ksize > MAX_KEYLEN) {
- pr_err("alg: hash: setkey failed on test %d for %s: key size %d > %d\n",
- j, algo, template[i].ksize, MAX_KEYLEN);
- ret = -EINVAL;
- goto out;
- }
- memcpy(key, template[i].key, template[i].ksize);
- ret = crypto_ahash_setkey(tfm, key, template[i].ksize);
- if (ret) {
- printk(KERN_ERR "alg: hash: setkey failed on "
- "test %d for %s: ret=%d\n", j, algo,
- -ret);
- goto out;
- }
- }
+static void destroy_test_sglist(struct test_sglist *tsgl)
+{
+ return __testmgr_free_buf(tsgl->bufs, 1 /* two pages per buffer */);
+}
- ahash_request_set_crypt(req, sg, result, template[i].psize);
- switch (test_type) {
- case HASH_TEST_DIGEST:
- ret = crypto_wait_req(crypto_ahash_digest(req), &wait);
- if (ret) {
- pr_err("alg: hash: digest failed on test %d "
- "for %s: ret=%d\n", j, algo, -ret);
- goto out;
- }
- break;
+/**
+ * build_test_sglist() - build a scatterlist for a crypto test
+ *
+ * @tsgl: the scatterlist to build. @tsgl->bufs[] contains an array of 2-page
+ * buffers which the scatterlist @tsgl->sgl[] will be made to point into.
+ * @divs: the layout specification on which the scatterlist will be based
+ * @alignmask: the algorithm's alignmask
+ * @total_len: the total length of the scatterlist to build in bytes
+ * @data: if non-NULL, the buffers will be filled with this data until it ends.
+ * Otherwise the buffers will be poisoned. In both cases, some bytes
+ * past the end of each buffer will be poisoned to help detect overruns.
+ * @out_divs: if non-NULL, the test_sg_division to which each scatterlist entry
+ * corresponds will be returned here. This will match @divs except
+ * that divisions resolving to a length of 0 are omitted as they are
+ * not included in the scatterlist.
+ *
+ * Return: 0 or a -errno value
+ */
+static int build_test_sglist(struct test_sglist *tsgl,
+ const struct test_sg_division *divs,
+ const unsigned int alignmask,
+ const unsigned int total_len,
+ struct iov_iter *data,
+ const struct test_sg_division *out_divs[XBUFSIZE])
+{
+ struct {
+ const struct test_sg_division *div;
+ size_t length;
+ } partitions[XBUFSIZE];
+ const unsigned int ndivs = count_test_sg_divisions(divs);
+ unsigned int len_remaining = total_len;
+ unsigned int i;
- case HASH_TEST_FINAL:
- memset(result, 1, digest_size);
- ret = crypto_wait_req(crypto_ahash_init(req), &wait);
- if (ret) {
- pr_err("alg: hash: init failed on test %d "
- "for %s: ret=%d\n", j, algo, -ret);
- goto out;
- }
- ret = ahash_guard_result(result, 1, digest_size);
- if (ret) {
- pr_err("alg: hash: init failed on test %d "
- "for %s: used req->result\n", j, algo);
- goto out;
- }
- ret = crypto_wait_req(crypto_ahash_update(req), &wait);
- if (ret) {
- pr_err("alg: hash: update failed on test %d "
- "for %s: ret=%d\n", j, algo, -ret);
- goto out;
- }
- ret = ahash_guard_result(result, 1, digest_size);
- if (ret) {
- pr_err("alg: hash: update failed on test %d "
- "for %s: used req->result\n", j, algo);
- goto out;
- }
- ret = crypto_wait_req(crypto_ahash_final(req), &wait);
- if (ret) {
- pr_err("alg: hash: final failed on test %d "
- "for %s: ret=%d\n", j, algo, -ret);
- goto out;
- }
- break;
+ BUILD_BUG_ON(ARRAY_SIZE(partitions) != ARRAY_SIZE(tsgl->sgl));
+ if (WARN_ON(ndivs > ARRAY_SIZE(partitions)))
+ return -EINVAL;
- case HASH_TEST_FINUP:
- memset(result, 1, digest_size);
- ret = crypto_wait_req(crypto_ahash_init(req), &wait);
- if (ret) {
- pr_err("alg: hash: init failed on test %d "
- "for %s: ret=%d\n", j, algo, -ret);
- goto out;
- }
- ret = ahash_guard_result(result, 1, digest_size);
- if (ret) {
- pr_err("alg: hash: init failed on test %d "
- "for %s: used req->result\n", j, algo);
- goto out;
- }
- ret = crypto_wait_req(crypto_ahash_finup(req), &wait);
- if (ret) {
- pr_err("alg: hash: final failed on test %d "
- "for %s: ret=%d\n", j, algo, -ret);
- goto out;
- }
- break;
- }
+ /* Calculate the (div, length) pairs */
+ tsgl->nents = 0;
+ for (i = 0; i < ndivs; i++) {
+ unsigned int len_this_sg =
+ min(len_remaining,
+ (total_len * divs[i].proportion_of_total +
+ TEST_SG_TOTAL / 2) / TEST_SG_TOTAL);
- if (memcmp(result, template[i].digest,
- crypto_ahash_digestsize(tfm))) {
- printk(KERN_ERR "alg: hash: Test %d failed for %s\n",
- j, algo);
- hexdump(result, crypto_ahash_digestsize(tfm));
- ret = -EINVAL;
- goto out;
+ if (len_this_sg != 0) {
+ partitions[tsgl->nents].div = &divs[i];
+ partitions[tsgl->nents].length = len_this_sg;
+ tsgl->nents++;
+ len_remaining -= len_this_sg;
}
}
+ if (tsgl->nents == 0) {
+ partitions[tsgl->nents].div = &divs[0];
+ partitions[tsgl->nents].length = 0;
+ tsgl->nents++;
+ }
+ partitions[tsgl->nents - 1].length += len_remaining;
- if (test_type)
- goto out;
+ /* Set up the sgl entries and fill the data or poison */
+ sg_init_table(tsgl->sgl, tsgl->nents);
+ for (i = 0; i < tsgl->nents; i++) {
+ unsigned int offset = partitions[i].div->offset;
+ void *addr;
- j = 0;
- for (i = 0; i < tcount; i++) {
- /* alignment tests are only done with continuous buffers */
- if (align_offset != 0)
- break;
+ if (partitions[i].div->offset_relative_to_alignmask)
+ offset += alignmask;
- if (!template[i].np)
- continue;
+ while (offset + partitions[i].length + TESTMGR_POISON_LEN >
+ 2 * PAGE_SIZE) {
+ if (WARN_ON(offset <= 0))
+ return -EINVAL;
+ offset /= 2;
+ }
- j++;
- memset(result, 0, digest_size);
+ addr = &tsgl->bufs[i][offset];
+ sg_set_buf(&tsgl->sgl[i], addr, partitions[i].length);
- temp = 0;
- sg_init_table(sg, template[i].np);
- ret = -EINVAL;
- for (k = 0; k < template[i].np; k++) {
- if (WARN_ON(offset_in_page(IDX[k]) +
- template[i].tap[k] > PAGE_SIZE))
- goto out;
- 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];
- }
-
- if (template[i].ksize) {
- if (template[i].ksize > MAX_KEYLEN) {
- pr_err("alg: hash: setkey failed on test %d for %s: key size %d > %d\n",
- j, algo, template[i].ksize, MAX_KEYLEN);
- ret = -EINVAL;
- goto out;
- }
- crypto_ahash_clear_flags(tfm, ~0);
- memcpy(key, template[i].key, template[i].ksize);
- ret = crypto_ahash_setkey(tfm, key, template[i].ksize);
-
- if (ret) {
- printk(KERN_ERR "alg: hash: setkey "
- "failed on chunking test %d "
- "for %s: ret=%d\n", j, algo, -ret);
- goto out;
- }
- }
+ if (out_divs)
+ out_divs[i] = partitions[i].div;
- ahash_request_set_crypt(req, sg, result, template[i].psize);
- ret = crypto_wait_req(crypto_ahash_digest(req), &wait);
- if (ret) {
- pr_err("alg: hash: digest failed on chunking test %d for %s: ret=%d\n",
- j, algo, -ret);
- goto out;
- }
+ if (data) {
+ size_t copy_len, copied;
- if (memcmp(result, template[i].digest,
- crypto_ahash_digestsize(tfm))) {
- printk(KERN_ERR "alg: hash: Chunking test %d "
- "failed for %s\n", j, algo);
- hexdump(result, crypto_ahash_digestsize(tfm));
- ret = -EINVAL;
- goto out;
+ copy_len = min(partitions[i].length, data->count);
+ copied = copy_from_iter(addr, copy_len, data);
+ if (WARN_ON(copied != copy_len))
+ return -EINVAL;
+ testmgr_poison(addr + copy_len, partitions[i].length +
+ TESTMGR_POISON_LEN - copy_len);
+ } else {
+ testmgr_poison(addr, partitions[i].length +
+ TESTMGR_POISON_LEN);
}
}
- /* partial update exercise */
- j = 0;
- for (i = 0; i < tcount; i++) {
- /* alignment tests are only done with continuous buffers */
- if (align_offset != 0)
- break;
+ sg_mark_end(&tsgl->sgl[tsgl->nents - 1]);
+ tsgl->sgl_ptr = tsgl->sgl;
+ memcpy(tsgl->sgl_saved, tsgl->sgl, tsgl->nents * sizeof(tsgl->sgl[0]));
+ return 0;
+}
- if (template[i].np < 2)
- continue;
+/*
+ * Verify that a scatterlist crypto operation produced the correct output.
+ *
+ * @tsgl: scatterlist containing the actual output
+ * @expected_output: buffer containing the expected output
+ * @len_to_check: length of @expected_output in bytes
+ * @unchecked_prefix_len: number of ignored bytes in @tsgl prior to real result
+ * @check_poison: verify that the poison bytes after each chunk are intact?
+ *
+ * Return: 0 if correct, -EINVAL if incorrect, -EOVERFLOW if buffer overrun.
+ */
+static int verify_correct_output(const struct test_sglist *tsgl,
+ const char *expected_output,
+ unsigned int len_to_check,
+ unsigned int unchecked_prefix_len,
+ bool check_poison)
+{
+ unsigned int i;
- j++;
- memset(result, 0, digest_size);
+ for (i = 0; i < tsgl->nents; i++) {
+ struct scatterlist *sg = &tsgl->sgl_ptr[i];
+ unsigned int len = sg->length;
+ unsigned int offset = sg->offset;
+ const char *actual_output;
- ret = -EINVAL;
- hash_buff = xbuf[0];
- memcpy(hash_buff, template[i].plaintext,
- template[i].tap[0]);
- sg_init_one(&sg[0], hash_buff, template[i].tap[0]);
-
- if (template[i].ksize) {
- crypto_ahash_clear_flags(tfm, ~0);
- if (template[i].ksize > MAX_KEYLEN) {
- pr_err("alg: hash: setkey failed on test %d for %s: key size %d > %d\n",
- j, algo, template[i].ksize, MAX_KEYLEN);
- ret = -EINVAL;
- goto out;
- }
- memcpy(key, template[i].key, template[i].ksize);
- ret = crypto_ahash_setkey(tfm, key, template[i].ksize);
- if (ret) {
- pr_err("alg: hash: setkey failed on test %d for %s: ret=%d\n",
- j, algo, -ret);
- goto out;
+ if (unchecked_prefix_len) {
+ if (unchecked_prefix_len >= len) {
+ unchecked_prefix_len -= len;
+ continue;
}
+ offset += unchecked_prefix_len;
+ len -= unchecked_prefix_len;
+ unchecked_prefix_len = 0;
}
+ len = min(len, len_to_check);
+ actual_output = page_address(sg_page(sg)) + offset;
+ if (memcmp(expected_output, actual_output, len) != 0)
+ return -EINVAL;
+ if (check_poison &&
+ !testmgr_is_poison(actual_output + len, TESTMGR_POISON_LEN))
+ return -EOVERFLOW;
+ len_to_check -= len;
+ expected_output += len;
+ }
+ if (WARN_ON(len_to_check != 0))
+ return -EINVAL;
+ return 0;
+}
- ahash_request_set_crypt(req, sg, result, template[i].tap[0]);
- ret = crypto_wait_req(crypto_ahash_init(req), &wait);
- if (ret) {
- pr_err("alg: hash: init failed on test %d for %s: ret=%d\n",
- j, algo, -ret);
- goto out;
- }
- ret = crypto_wait_req(crypto_ahash_update(req), &wait);
- if (ret) {
- pr_err("alg: hash: update failed on test %d for %s: ret=%d\n",
- j, algo, -ret);
- goto out;
- }
+static bool is_test_sglist_corrupted(const struct test_sglist *tsgl)
+{
+ unsigned int i;
- temp = template[i].tap[0];
- for (k = 1; k < template[i].np; k++) {
- ret = ahash_partial_update(&req, tfm, &template[i],
- hash_buff, k, temp, &sg[0], algo, result,
- &wait);
- if (ret) {
- pr_err("alg: hash: partial update failed on test %d for %s: ret=%d\n",
- j, algo, -ret);
- goto out_noreq;
- }
- temp += template[i].tap[k];
- }
- ret = crypto_wait_req(crypto_ahash_final(req), &wait);
- if (ret) {
- pr_err("alg: hash: final failed on test %d for %s: ret=%d\n",
- j, algo, -ret);
- goto out;
- }
- if (memcmp(result, template[i].digest,
- crypto_ahash_digestsize(tfm))) {
- pr_err("alg: hash: Partial Test %d failed for %s\n",
- j, algo);
- hexdump(result, crypto_ahash_digestsize(tfm));
- ret = -EINVAL;
- goto out;
- }
+ for (i = 0; i < tsgl->nents; i++) {
+ if (tsgl->sgl[i].page_link != tsgl->sgl_saved[i].page_link)
+ return true;
+ if (tsgl->sgl[i].offset != tsgl->sgl_saved[i].offset)
+ return true;
+ if (tsgl->sgl[i].length != tsgl->sgl_saved[i].length)
+ return true;
}
-
- ret = 0;
-
-out:
- ahash_request_free(req);
-out_noreq:
- testmgr_free_buf(xbuf);
-out_nobuf:
- kfree(key);
- kfree(result);
- return ret;
+ return false;
}
-static int test_hash(struct crypto_ahash *tfm,
- const struct hash_testvec *template,
- unsigned int tcount, enum hash_test test_type)
+struct cipher_test_sglists {
+ struct test_sglist src;
+ struct test_sglist dst;
+};
+
+static struct cipher_test_sglists *alloc_cipher_test_sglists(void)
{
- unsigned int alignmask;
- int ret;
+ struct cipher_test_sglists *tsgls;
- ret = __test_hash(tfm, template, tcount, test_type, 0);
- if (ret)
- return ret;
+ tsgls = kmalloc(sizeof(*tsgls), GFP_KERNEL);
+ if (!tsgls)
+ return NULL;
- /* test unaligned buffers, check with one byte offset */
- ret = __test_hash(tfm, template, tcount, test_type, 1);
- if (ret)
- return ret;
+ if (init_test_sglist(&tsgls->src) != 0)
+ goto fail_kfree;
+ if (init_test_sglist(&tsgls->dst) != 0)
+ goto fail_destroy_src;
- alignmask = crypto_tfm_alg_alignmask(&tfm->base);
- if (alignmask) {
- /* Check if alignment mask for tfm is correctly set. */
- ret = __test_hash(tfm, template, tcount, test_type,
- alignmask + 1);
- if (ret)
- return ret;
- }
+ return tsgls;
- return 0;
+fail_destroy_src:
+ destroy_test_sglist(&tsgls->src);
+fail_kfree:
+ kfree(tsgls);
+ return NULL;
}
-static int __test_aead(struct crypto_aead *tfm, int enc,
- const struct aead_testvec *template, unsigned int tcount,
- const bool diff_dst, const int align_offset)
+static void free_cipher_test_sglists(struct cipher_test_sglists *tsgls)
{
- const char *algo = crypto_tfm_alg_driver_name(crypto_aead_tfm(tfm));
- unsigned int i, j, k, n, temp;
- int ret = -ENOMEM;
- char *q;
- char *key;
- struct aead_request *req;
- struct scatterlist *sg;
- struct scatterlist *sgout;
- const char *e, *d;
- struct crypto_wait wait;
- unsigned int authsize, iv_len;
- char *iv;
- char *xbuf[XBUFSIZE];
- char *xoutbuf[XBUFSIZE];
- char *axbuf[XBUFSIZE];
-
- iv = kzalloc(MAX_IVLEN, GFP_KERNEL);
- if (!iv)
- return ret;
- key = kmalloc(MAX_KEYLEN, GFP_KERNEL);
- if (!key)
- goto out_noxbuf;
- if (testmgr_alloc_buf(xbuf))
- goto out_noxbuf;
- if (testmgr_alloc_buf(axbuf))
- goto out_noaxbuf;
- if (diff_dst && testmgr_alloc_buf(xoutbuf))
- goto out_nooutbuf;
-
- /* avoid "the frame size is larger than 1024 bytes" compiler warning */
- sg = kmalloc(array3_size(sizeof(*sg), 8, (diff_dst ? 4 : 2)),
- GFP_KERNEL);
- if (!sg)
- goto out_nosg;
- sgout = &sg[16];
-
- if (diff_dst)
- d = "-ddst";
- else
- d = "";
+ if (tsgls) {
+ destroy_test_sglist(&tsgls->src);
+ destroy_test_sglist(&tsgls->dst);
+ kfree(tsgls);
+ }
+}
- if (enc == ENCRYPT)
- e = "encryption";
- else
- e = "decryption";
+/* Build the src and dst scatterlists for an skcipher or AEAD test */
+static int build_cipher_test_sglists(struct cipher_test_sglists *tsgls,
+ const struct testvec_config *cfg,
+ unsigned int alignmask,
+ unsigned int src_total_len,
+ unsigned int dst_total_len,
+ const struct kvec *inputs,
+ unsigned int nr_inputs)
+{
+ struct iov_iter input;
+ int err;
- crypto_init_wait(&wait);
+ iov_iter_kvec(&input, WRITE, inputs, nr_inputs, src_total_len);
+ err = build_test_sglist(&tsgls->src, cfg->src_divs, alignmask,
+ cfg->inplace ?
+ max(dst_total_len, src_total_len) :
+ src_total_len,
+ &input, NULL);
+ if (err)
+ return err;
- req = aead_request_alloc(tfm, GFP_KERNEL);
- if (!req) {
- pr_err("alg: aead%s: Failed to allocate request for %s\n",
- d, algo);
- goto out;
+ if (cfg->inplace) {
+ tsgls->dst.sgl_ptr = tsgls->src.sgl;
+ tsgls->dst.nents = tsgls->src.nents;
+ return 0;
}
+ return build_test_sglist(&tsgls->dst,
+ cfg->dst_divs[0].proportion_of_total ?
+ cfg->dst_divs : cfg->src_divs,
+ alignmask, dst_total_len, NULL, NULL);
+}
- aead_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
- crypto_req_done, &wait);
+#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
+static char *generate_random_sgl_divisions(struct test_sg_division *divs,
+ size_t max_divs, char *p, char *end,
+ bool gen_flushes)
+{
+ struct test_sg_division *div = divs;
+ unsigned int remaining = TEST_SG_TOTAL;
- iv_len = crypto_aead_ivsize(tfm);
+ do {
+ unsigned int this_len;
- for (i = 0, j = 0; i < tcount; i++) {
- const char *input, *expected_output;
- unsigned int inlen, outlen;
- char *inbuf, *outbuf, *assocbuf;
+ if (div == &divs[max_divs - 1] || prandom_u32() % 2 == 0)
+ this_len = remaining;
+ else
+ this_len = 1 + (prandom_u32() % remaining);
+ div->proportion_of_total = this_len;
- if (template[i].np)
- continue;
- if (enc) {
- if (template[i].novrfy)
- continue;
- input = template[i].ptext;
- inlen = template[i].plen;
- expected_output = template[i].ctext;
- outlen = template[i].clen;
- } else {
- input = template[i].ctext;
- inlen = template[i].clen;
- expected_output = template[i].ptext;
- outlen = template[i].plen;
+ if (prandom_u32() % 4 == 0)
+ div->offset = (PAGE_SIZE - 128) + (prandom_u32() % 128);
+ else if (prandom_u32() % 2 == 0)
+ div->offset = prandom_u32() % 32;
+ else
+ div->offset = prandom_u32() % PAGE_SIZE;
+ if (prandom_u32() % 8 == 0)
+ div->offset_relative_to_alignmask = true;
+
+ div->flush_type = FLUSH_TYPE_NONE;
+ if (gen_flushes) {
+ switch (prandom_u32() % 4) {
+ case 0:
+ div->flush_type = FLUSH_TYPE_REIMPORT;
+ break;
+ case 1:
+ div->flush_type = FLUSH_TYPE_FLUSH;
+ break;
+ }
}
- j++;
+ BUILD_BUG_ON(TEST_SG_TOTAL != 10000); /* for "%u.%u%%" */
+ p += scnprintf(p, end - p, "%s%u.%u%%@%s+%u%s",
+ div->flush_type == FLUSH_TYPE_NONE ? "" :
+ div->flush_type == FLUSH_TYPE_FLUSH ?
+ "<flush> " : "<reimport> ",
+ this_len / 100, this_len % 100,
+ div->offset_relative_to_alignmask ?
+ "alignmask" : "",
+ div->offset, this_len == remaining ? "" : ", ");
+ remaining -= this_len;
+ div++;
+ } while (remaining);
+
+ return p;
+}
- /* some templates have no input data but they will
- * touch input
- */
- inbuf = xbuf[0] + align_offset;
- assocbuf = axbuf[0];
+/* Generate a random testvec_config for fuzz testing */
+static void generate_random_testvec_config(struct testvec_config *cfg,
+ char *name, size_t max_namelen)
+{
+ char *p = name;
+ char * const end = name + max_namelen;
- ret = -EINVAL;
- if (WARN_ON(align_offset + template[i].clen > PAGE_SIZE ||
- template[i].alen > PAGE_SIZE))
- goto out;
+ memset(cfg, 0, sizeof(*cfg));
- memcpy(inbuf, input, inlen);
- memcpy(assocbuf, template[i].assoc, template[i].alen);
- if (template[i].iv)
- memcpy(iv, template[i].iv, iv_len);
- else
- memset(iv, 0, iv_len);
+ cfg->name = name;
- crypto_aead_clear_flags(tfm, ~0);
- if (template[i].wk)
- crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_WEAK_KEY);
+ p += scnprintf(p, end - p, "random:");
- if (template[i].klen > MAX_KEYLEN) {
- pr_err("alg: aead%s: setkey failed on test %d for %s: key size %d > %d\n",
- d, j, algo, template[i].klen,
- MAX_KEYLEN);
- ret = -EINVAL;
- goto out;
- }
- memcpy(key, template[i].key, template[i].klen);
-
- ret = crypto_aead_setkey(tfm, key, template[i].klen);
- if (template[i].fail == !ret) {
- pr_err("alg: aead%s: setkey failed on test %d for %s: flags=%x\n",
- d, j, algo, crypto_aead_get_flags(tfm));
- goto out;
- } else if (ret)
- continue;
+ if (prandom_u32() % 2 == 0) {
+ cfg->inplace = true;
+ p += scnprintf(p, end - p, " inplace");
+ }
- authsize = template[i].clen - template[i].plen;
- ret = crypto_aead_setauthsize(tfm, authsize);
- if (ret) {
- pr_err("alg: aead%s: Failed to set authsize to %u on test %d for %s\n",
- d, authsize, j, algo);
- goto out;
- }
+ if (prandom_u32() % 2 == 0) {
+ cfg->req_flags |= CRYPTO_TFM_REQ_MAY_SLEEP;
+ p += scnprintf(p, end - p, " may_sleep");
+ }
- k = !!template[i].alen;
- sg_init_table(sg, k + 1);
- sg_set_buf(&sg[0], assocbuf, template[i].alen);
- sg_set_buf(&sg[k], inbuf, template[i].clen);
- outbuf = inbuf;
+ switch (prandom_u32() % 4) {
+ case 0:
+ cfg->finalization_type = FINALIZATION_TYPE_FINAL;
+ p += scnprintf(p, end - p, " use_final");
+ break;
+ case 1:
+ cfg->finalization_type = FINALIZATION_TYPE_FINUP;
+ p += scnprintf(p, end - p, " use_finup");
+ break;
+ default:
+ cfg->finalization_type = FINALIZATION_TYPE_DIGEST;
+ p += scnprintf(p, end - p, " use_digest");
+ break;
+ }
- if (diff_dst) {
- sg_init_table(sgout, k + 1);
- sg_set_buf(&sgout[0], assocbuf, template[i].alen);
+ p += scnprintf(p, end - p, " src_divs=[");
+ p = generate_random_sgl_divisions(cfg->src_divs,
+ ARRAY_SIZE(cfg->src_divs), p, end,
+ (cfg->finalization_type !=
+ FINALIZATION_TYPE_DIGEST));
+ p += scnprintf(p, end - p, "]");
- outbuf = xoutbuf[0] + align_offset;
- sg_set_buf(&sgout[k], outbuf, template[i].clen);
- }
+ if (!cfg->inplace && prandom_u32() % 2 == 0) {
+ p += scnprintf(p, end - p, " dst_divs=[");
+ p = generate_random_sgl_divisions(cfg->dst_divs,
+ ARRAY_SIZE(cfg->dst_divs),
+ p, end, false);
+ p += scnprintf(p, end - p, "]");
+ }
- aead_request_set_crypt(req, sg, (diff_dst) ? sgout : sg, inlen,
- iv);
+ if (prandom_u32() % 2 == 0) {
+ cfg->iv_offset = 1 + (prandom_u32() % MAX_ALGAPI_ALIGNMASK);
+ p += scnprintf(p, end - p, " iv_offset=%u", cfg->iv_offset);
+ }
- aead_request_set_ad(req, template[i].alen);
+ WARN_ON_ONCE(!valid_testvec_config(cfg));
+}
+#endif /* CONFIG_CRYPTO_MANAGER_EXTRA_TESTS */
- ret = crypto_wait_req(enc ? crypto_aead_encrypt(req)
- : crypto_aead_decrypt(req), &wait);
+static int check_nonfinal_hash_op(const char *op, int err,
+ u8 *result, unsigned int digestsize,
+ const char *driver, unsigned int vec_num,
+ const struct testvec_config *cfg)
+{
+ if (err) {
+ pr_err("alg: hash: %s %s() failed with err %d on test vector %u, cfg=\"%s\"\n",
+ driver, op, err, vec_num, cfg->name);
+ return err;
+ }
+ if (!testmgr_is_poison(result, digestsize)) {
+ pr_err("alg: hash: %s %s() used result buffer on test vector %u, cfg=\"%s\"\n",
+ driver, op, vec_num, cfg->name);
+ return -EINVAL;
+ }
+ return 0;
+}
- switch (ret) {
- case 0:
- if (template[i].novrfy) {
- /* verification was supposed to fail */
- pr_err("alg: aead%s: %s failed on test %d for %s: ret was 0, expected -EBADMSG\n",
- d, e, j, algo);
- /* so really, we got a bad message */
- ret = -EBADMSG;
- goto out;
- }
- break;
- case -EBADMSG:
- if (template[i].novrfy)
- /* verification failure was expected */
- continue;
- /* fall through */
- default:
- pr_err("alg: aead%s: %s failed on test %d for %s: ret=%d\n",
- d, e, j, algo, -ret);
- goto out;
- }
+static int test_hash_vec_cfg(const char *driver,
+ const struct hash_testvec *vec,
+ unsigned int vec_num,
+ const struct testvec_config *cfg,
+ struct ahash_request *req,
+ struct test_sglist *tsgl,
+ u8 *hashstate)
+{
+ struct crypto_ahash *tfm = crypto_ahash_reqtfm(req);
+ const unsigned int alignmask = crypto_ahash_alignmask(tfm);
+ const unsigned int digestsize = crypto_ahash_digestsize(tfm);
+ const unsigned int statesize = crypto_ahash_statesize(tfm);
+ const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
+ const struct test_sg_division *divs[XBUFSIZE];
+ DECLARE_CRYPTO_WAIT(wait);
+ struct kvec _input;
+ struct iov_iter input;
+ unsigned int i;
+ struct scatterlist *pending_sgl;
+ unsigned int pending_len;
+ u8 result[HASH_MAX_DIGESTSIZE + TESTMGR_POISON_LEN];
+ int err;
- if (memcmp(outbuf, expected_output, outlen)) {
- pr_err("alg: aead%s: Test %d failed on %s for %s\n",
- d, j, e, algo);
- hexdump(outbuf, outlen);
- ret = -EINVAL;
- goto out;
+ /* Set the key, if specified */
+ if (vec->ksize) {
+ err = crypto_ahash_setkey(tfm, vec->key, vec->ksize);
+ if (err) {
+ pr_err("alg: hash: %s setkey failed with err %d on test vector %u; flags=%#x\n",
+ driver, err, vec_num,
+ crypto_ahash_get_flags(tfm));
+ return err;
}
}
- for (i = 0, j = 0; i < tcount; i++) {
- const char *input, *expected_output;
- unsigned int inlen, outlen;
-
- /* alignment tests are only done with continuous buffers */
- if (align_offset != 0)
- break;
-
- if (!template[i].np)
- continue;
-
- if (enc) {
- if (template[i].novrfy)
- continue;
- input = template[i].ptext;
- inlen = template[i].plen;
- expected_output = template[i].ctext;
- outlen = template[i].clen;
- } else {
- input = template[i].ctext;
- inlen = template[i].clen;
- expected_output = template[i].ptext;
- outlen = template[i].plen;
- }
+ /* Build the scatterlist for the source data */
+ _input.iov_base = (void *)vec->plaintext;
+ _input.iov_len = vec->psize;
+ iov_iter_kvec(&input, WRITE, &_input, 1, vec->psize);
+ err = build_test_sglist(tsgl, cfg->src_divs, alignmask, vec->psize,
+ &input, divs);
+ if (err) {
+ pr_err("alg: hash: %s: error preparing scatterlist for test vector %u, cfg=\"%s\"\n",
+ driver, vec_num, cfg->name);
+ return err;
+ }
- j++;
+ /* Do the actual hashing */
- if (template[i].iv)
- memcpy(iv, template[i].iv, iv_len);
- else
- memset(iv, 0, MAX_IVLEN);
+ testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
+ testmgr_poison(result, digestsize + TESTMGR_POISON_LEN);
- crypto_aead_clear_flags(tfm, ~0);
- if (template[i].wk)
- crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_WEAK_KEY);
- if (template[i].klen > MAX_KEYLEN) {
- pr_err("alg: aead%s: setkey failed on test %d for %s: key size %d > %d\n",
- d, j, algo, template[i].klen, MAX_KEYLEN);
- ret = -EINVAL;
- goto out;
+ if (cfg->finalization_type == FINALIZATION_TYPE_DIGEST) {
+ /* Just using digest() */
+ ahash_request_set_callback(req, req_flags, crypto_req_done,
+ &wait);
+ ahash_request_set_crypt(req, tsgl->sgl, result, vec->psize);
+ err = crypto_wait_req(crypto_ahash_digest(req), &wait);
+ if (err) {
+ pr_err("alg: hash: %s digest() failed with err %d on test vector %u, cfg=\"%s\"\n",
+ driver, err, vec_num, cfg->name);
+ return err;
}
- memcpy(key, template[i].key, template[i].klen);
-
- ret = crypto_aead_setkey(tfm, key, template[i].klen);
- if (template[i].fail == !ret) {
- pr_err("alg: aead%s: setkey failed on chunk test %d for %s: flags=%x\n",
- d, j, algo, crypto_aead_get_flags(tfm));
- goto out;
- } else if (ret)
- continue;
+ goto result_ready;
+ }
- authsize = template[i].clen - template[i].plen;
+ /* Using init(), zero or more update(), then final() or finup() */
- ret = -EINVAL;
- sg_init_table(sg, template[i].anp + template[i].np);
- if (diff_dst)
- sg_init_table(sgout, template[i].anp + template[i].np);
+ ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
+ ahash_request_set_crypt(req, NULL, result, 0);
+ err = crypto_wait_req(crypto_ahash_init(req), &wait);
+ err = check_nonfinal_hash_op("init", err, result, digestsize,
+ driver, vec_num, cfg);
+ if (err)
+ return err;
- ret = -EINVAL;
- for (k = 0, temp = 0; k < template[i].anp; k++) {
- if (WARN_ON(offset_in_page(IDX[k]) +
- template[i].atap[k] > PAGE_SIZE))
- goto out;
- sg_set_buf(&sg[k],
- memcpy(axbuf[IDX[k] >> PAGE_SHIFT] +
- offset_in_page(IDX[k]),
- template[i].assoc + temp,
- template[i].atap[k]),
- template[i].atap[k]);
- if (diff_dst)
- sg_set_buf(&sgout[k],
- axbuf[IDX[k] >> PAGE_SHIFT] +
- offset_in_page(IDX[k]),
- template[i].atap[k]);
- temp += template[i].atap[k];
- }
-
- for (k = 0, temp = 0; k < template[i].np; k++) {
- n = template[i].tap[k];
- if (k == template[i].np - 1 && !enc)
- n += authsize;
-
- if (WARN_ON(offset_in_page(IDX[k]) + n > PAGE_SIZE))
- goto out;
+ pending_sgl = NULL;
+ pending_len = 0;
+ for (i = 0; i < tsgl->nents; i++) {
+ if (divs[i]->flush_type != FLUSH_TYPE_NONE &&
+ pending_sgl != NULL) {
+ /* update() with the pending data */
+ ahash_request_set_callback(req, req_flags,
+ crypto_req_done, &wait);
+ ahash_request_set_crypt(req, pending_sgl, result,
+ pending_len);
+ err = crypto_wait_req(crypto_ahash_update(req), &wait);
+ err = check_nonfinal_hash_op("update", err,
+ result, digestsize,
+ driver, vec_num, cfg);
+ if (err)
+ return err;
+ pending_sgl = NULL;
+ pending_len = 0;
+ }
+ if (divs[i]->flush_type == FLUSH_TYPE_REIMPORT) {
+ /* Test ->export() and ->import() */
+ testmgr_poison(hashstate + statesize,
+ TESTMGR_POISON_LEN);
+ err = crypto_ahash_export(req, hashstate);
+ err = check_nonfinal_hash_op("export", err,
+ result, digestsize,
+ driver, vec_num, cfg);
+ if (err)
+ return err;
+ if (!testmgr_is_poison(hashstate + statesize,
+ TESTMGR_POISON_LEN)) {
+ pr_err("alg: hash: %s export() overran state buffer on test vector %u, cfg=\"%s\"\n",
+ driver, vec_num, cfg->name);
+ return -EOVERFLOW;
+ }
- q = xbuf[IDX[k] >> PAGE_SHIFT] + offset_in_page(IDX[k]);
- memcpy(q, input + temp, n);
- sg_set_buf(&sg[template[i].anp + k], q, n);
+ testmgr_poison(req->__ctx, crypto_ahash_reqsize(tfm));
+ err = crypto_ahash_import(req, hashstate);
+ err = check_nonfinal_hash_op("import", err,
+ result, digestsize,
+ driver, vec_num, cfg);
+ if (err)
+ return err;
+ }
+ if (pending_sgl == NULL)
+ pending_sgl = &tsgl->sgl[i];
+ pending_len += tsgl->sgl[i].length;
+ }
+
+ ahash_request_set_callback(req, req_flags, crypto_req_done, &wait);
+ ahash_request_set_crypt(req, pending_sgl, result, pending_len);
+ if (cfg->finalization_type == FINALIZATION_TYPE_FINAL) {
+ /* finish with update() and final() */
+ err = crypto_wait_req(crypto_ahash_update(req), &wait);
+ err = check_nonfinal_hash_op("update", err, result, digestsize,
+ driver, vec_num, cfg);
+ if (err)
+ return err;
+ err = crypto_wait_req(crypto_ahash_final(req), &wait);
+ if (err) {
+ pr_err("alg: hash: %s final() failed with err %d on test vector %u, cfg=\"%s\"\n",
+ driver, err, vec_num, cfg->name);
+ return err;
+ }
+ } else {
+ /* finish with finup() */
+ err = crypto_wait_req(crypto_ahash_finup(req), &wait);
+ if (err) {
+ pr_err("alg: hash: %s finup() failed with err %d on test vector %u, cfg=\"%s\"\n",
+ driver, err, vec_num, cfg->name);
+ return err;
+ }
+ }
- if (diff_dst) {
- q = xoutbuf[IDX[k] >> PAGE_SHIFT] +
- offset_in_page(IDX[k]);
+result_ready:
+ /* Check that the algorithm produced the correct digest */
+ if (memcmp(result, vec->digest, digestsize) != 0) {
+ pr_err("alg: hash: %s test failed (wrong result) on test vector %u, cfg=\"%s\"\n",
+ driver, vec_num, cfg->name);
+ return -EINVAL;
+ }
+ if (!testmgr_is_poison(&result[digestsize], TESTMGR_POISON_LEN)) {
+ pr_err("alg: hash: %s overran result buffer on test vector %u, cfg=\"%s\"\n",
+ driver, vec_num, cfg->name);
+ return -EOVERFLOW;
+ }
- memset(q, 0, n);
+ return 0;
+}
- sg_set_buf(&sgout[template[i].anp + k], q, n);
- }
+static int test_hash_vec(const char *driver, const struct hash_testvec *vec,
+ unsigned int vec_num, struct ahash_request *req,
+ struct test_sglist *tsgl, u8 *hashstate)
+{
+ unsigned int i;
+ int err;
- if (k == template[i].np - 1 && enc)
- n += authsize;
- if (offset_in_page(q) + n < PAGE_SIZE)
- q[n] = 0;
+ for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++) {
+ err = test_hash_vec_cfg(driver, vec, vec_num,
+ &default_hash_testvec_configs[i],
+ req, tsgl, hashstate);
+ if (err)
+ return err;
+ }
- temp += n;
- }
+#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
+ if (!noextratests) {
+ struct testvec_config cfg;
+ char cfgname[TESTVEC_CONFIG_NAMELEN];
- ret = crypto_aead_setauthsize(tfm, authsize);
- if (ret) {
- pr_err("alg: aead%s: Failed to set authsize to %u on chunk test %d for %s\n",
- d, authsize, j, algo);
- goto out;
+ for (i = 0; i < fuzz_iterations; i++) {
+ generate_random_testvec_config(&cfg, cfgname,
+ sizeof(cfgname));
+ err = test_hash_vec_cfg(driver, vec, vec_num, &cfg,
+ req, tsgl, hashstate);
+ if (err)
+ return err;
}
+ }
+#endif
+ return 0;
+}
- if (enc) {
- if (WARN_ON(sg[template[i].anp + k - 1].offset +
- sg[template[i].anp + k - 1].length +
- authsize > PAGE_SIZE)) {
- ret = -EINVAL;
- goto out;
- }
+static int __alg_test_hash(const struct hash_testvec *vecs,
+ unsigned int num_vecs, const char *driver,
+ u32 type, u32 mask)
+{
+ struct crypto_ahash *tfm;
+ struct ahash_request *req = NULL;
+ struct test_sglist *tsgl = NULL;
+ u8 *hashstate = NULL;
+ unsigned int i;
+ int err;
- if (diff_dst)
- sgout[template[i].anp + k - 1].length +=
- authsize;
- sg[template[i].anp + k - 1].length += authsize;
- }
+ tfm = crypto_alloc_ahash(driver, type, mask);
+ if (IS_ERR(tfm)) {
+ pr_err("alg: hash: failed to allocate transform for %s: %ld\n",
+ driver, PTR_ERR(tfm));
+ return PTR_ERR(tfm);
+ }
- aead_request_set_crypt(req, sg, (diff_dst) ? sgout : sg,
- inlen, iv);
+ req = ahash_request_alloc(tfm, GFP_KERNEL);
+ if (!req) {
+ pr_err("alg: hash: failed to allocate request for %s\n",
+ driver);
+ err = -ENOMEM;
+ goto out;
+ }
- aead_request_set_ad(req, template[i].alen);
+ tsgl = kmalloc(sizeof(*tsgl), GFP_KERNEL);
+ if (!tsgl || init_test_sglist(tsgl) != 0) {
+ pr_err("alg: hash: failed to allocate test buffers for %s\n",
+ driver);
+ kfree(tsgl);
+ tsgl = NULL;
+ err = -ENOMEM;
+ goto out;
+ }
- ret = crypto_wait_req(enc ? crypto_aead_encrypt(req)
- : crypto_aead_decrypt(req), &wait);
+ hashstate = kmalloc(crypto_ahash_statesize(tfm) + TESTMGR_POISON_LEN,
+ GFP_KERNEL);
+ if (!hashstate) {
+ pr_err("alg: hash: failed to allocate hash state buffer for %s\n",
+ driver);
+ err = -ENOMEM;
+ goto out;
+ }
- switch (ret) {
- case 0:
- if (template[i].novrfy) {
- /* verification was supposed to fail */
- pr_err("alg: aead%s: %s failed on chunk test %d for %s: ret was 0, expected -EBADMSG\n",
- d, e, j, algo);
- /* so really, we got a bad message */
- ret = -EBADMSG;
- goto out;
- }
- break;
- case -EBADMSG:
- if (template[i].novrfy)
- /* verification failure was expected */
- continue;
- /* fall through */
- default:
- pr_err("alg: aead%s: %s failed on chunk test %d for %s: ret=%d\n",
- d, e, j, algo, -ret);
+ for (i = 0; i < num_vecs; i++) {
+ err = test_hash_vec(driver, &vecs[i], i, req, tsgl, hashstate);
+ if (err)
goto out;
- }
-
- ret = -EINVAL;
- for (k = 0, temp = 0; k < template[i].np; k++) {
- if (diff_dst)
- q = xoutbuf[IDX[k] >> PAGE_SHIFT] +
- offset_in_page(IDX[k]);
- else
- q = xbuf[IDX[k] >> PAGE_SHIFT] +
- offset_in_page(IDX[k]);
-
- n = template[i].tap[k];
- if (k == template[i].np - 1 && enc)
- n += authsize;
+ }
+ err = 0;
+out:
+ kfree(hashstate);
+ if (tsgl) {
+ destroy_test_sglist(tsgl);
+ kfree(tsgl);
+ }
+ ahash_request_free(req);
+ crypto_free_ahash(tfm);
+ return err;
+}
- if (memcmp(q, expected_output + temp, n)) {
- pr_err("alg: aead%s: Chunk test %d failed on %s at page %u for %s\n",
- d, j, e, k, algo);
- hexdump(q, n);
- goto out;
- }
+static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
+ u32 type, u32 mask)
+{
+ const struct hash_testvec *template = desc->suite.hash.vecs;
+ unsigned int tcount = desc->suite.hash.count;
+ unsigned int nr_unkeyed, nr_keyed;
+ int err;
- q += n;
- if (k == template[i].np - 1 && !enc) {
- if (!diff_dst && memcmp(q, input + temp + n,
- authsize))
- n = authsize;
- else
- n = 0;
- } else {
- for (n = 0; offset_in_page(q + n) && q[n]; n++)
- ;
- }
- if (n) {
- pr_err("alg: aead%s: Result buffer corruption in chunk test %d on %s at page %u for %s: %u bytes:\n",
- d, j, e, k, algo, n);
- hexdump(q, n);
- goto out;
- }
+ /*
+ * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests
+ * first, before setting a key on the tfm. To make this easier, we
+ * require that the unkeyed test vectors (if any) are listed first.
+ */
- temp += template[i].tap[k];
+ for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) {
+ if (template[nr_unkeyed].ksize)
+ break;
+ }
+ for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) {
+ if (!template[nr_unkeyed + nr_keyed].ksize) {
+ pr_err("alg: hash: test vectors for %s out of order, "
+ "unkeyed ones must come first\n", desc->alg);
+ return -EINVAL;
}
}
- ret = 0;
+ err = 0;
+ if (nr_unkeyed) {
+ err = __alg_test_hash(template, nr_unkeyed, driver, type, mask);
+ template += nr_unkeyed;
+ }
-out:
- aead_request_free(req);
- kfree(sg);
-out_nosg:
- if (diff_dst)
- testmgr_free_buf(xoutbuf);
-out_nooutbuf:
- testmgr_free_buf(axbuf);
-out_noaxbuf:
- testmgr_free_buf(xbuf);
-out_noxbuf:
- kfree(key);
- kfree(iv);
- return ret;
+ if (!err && nr_keyed)
+ err = __alg_test_hash(template, nr_keyed, driver, type, mask);
+
+ return err;
}
-static int test_aead(struct crypto_aead *tfm, int enc,
- const struct aead_testvec *template, unsigned int tcount)
+static int test_aead_vec_cfg(const char *driver, int enc,
+ const struct aead_testvec *vec,
+ unsigned int vec_num,
+ const struct testvec_config *cfg,
+ struct aead_request *req,
+ struct cipher_test_sglists *tsgls)
{
- unsigned int alignmask;
- int ret;
+ struct crypto_aead *tfm = crypto_aead_reqtfm(req);
+ const unsigned int alignmask = crypto_aead_alignmask(tfm);
+ const unsigned int ivsize = crypto_aead_ivsize(tfm);
+ const unsigned int authsize = vec->clen - vec->plen;
+ const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
+ const char *op = enc ? "encryption" : "decryption";
+ DECLARE_CRYPTO_WAIT(wait);
+ u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
+ u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
+ cfg->iv_offset +
+ (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
+ struct kvec input[2];
+ int err;
- /* test 'dst == src' case */
- ret = __test_aead(tfm, enc, template, tcount, false, 0);
- if (ret)
- return ret;
+ /* Set the key */
+ if (vec->wk)
+ crypto_aead_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
+ else
+ crypto_aead_clear_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
+ err = crypto_aead_setkey(tfm, vec->key, vec->klen);
+ if (err) {
+ if (vec->fail) /* expectedly failed to set key? */
+ return 0;
+ pr_err("alg: aead: %s setkey failed with err %d on test vector %u; flags=%#x\n",
+ driver, err, vec_num, crypto_aead_get_flags(tfm));
+ return err;
+ }
+ if (vec->fail) {
+ pr_err("alg: aead: %s setkey unexpectedly succeeded on test vector %u\n",
+ driver, vec_num);
+ return -EINVAL;
+ }
- /* test 'dst != src' case */
- ret = __test_aead(tfm, enc, template, tcount, true, 0);
- if (ret)
- return ret;
+ /* Set the authentication tag size */
+ err = crypto_aead_setauthsize(tfm, authsize);
+ if (err) {
+ pr_err("alg: aead: %s setauthsize failed with err %d on test vector %u\n",
+ driver, err, vec_num);
+ return err;
+ }
- /* test unaligned buffers, check with one byte offset */
- ret = __test_aead(tfm, enc, template, tcount, true, 1);
- if (ret)
- return ret;
+ /* The IV must be copied to a buffer, as the algorithm may modify it */
+ if (WARN_ON(ivsize > MAX_IVLEN))
+ return -EINVAL;
+ if (vec->iv)
+ memcpy(iv, vec->iv, ivsize);
+ else
+ memset(iv, 0, ivsize);
+
+ /* Build the src/dst scatterlists */
+ input[0].iov_base = (void *)vec->assoc;
+ input[0].iov_len = vec->alen;
+ input[1].iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
+ input[1].iov_len = enc ? vec->plen : vec->clen;
+ err = build_cipher_test_sglists(tsgls, cfg, alignmask,
+ vec->alen + (enc ? vec->plen :
+ vec->clen),
+ vec->alen + (enc ? vec->clen :
+ vec->plen),
+ input, 2);
+ if (err) {
+ pr_err("alg: aead: %s %s: error preparing scatterlists for test vector %u, cfg=\"%s\"\n",
+ driver, op, vec_num, cfg->name);
+ return err;
+ }
- alignmask = crypto_tfm_alg_alignmask(&tfm->base);
- if (alignmask) {
- /* Check if alignment mask for tfm is correctly set. */
- ret = __test_aead(tfm, enc, template, tcount, true,
- alignmask + 1);
- if (ret)
- return ret;
+ /* Do the actual encryption or decryption */
+ testmgr_poison(req->__ctx, crypto_aead_reqsize(tfm));
+ aead_request_set_callback(req, req_flags, crypto_req_done, &wait);
+ aead_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
+ enc ? vec->plen : vec->clen, iv);
+ aead_request_set_ad(req, vec->alen);
+ err = crypto_wait_req(enc ? crypto_aead_encrypt(req) :
+ crypto_aead_decrypt(req), &wait);
+
+ aead_request_set_tfm(req, tfm); /* TODO: get rid of this */
+
+ if (err) {
+ if (err == -EBADMSG && vec->novrfy)
+ return 0;
+ pr_err("alg: aead: %s %s failed with err %d on test vector %u, cfg=\"%s\"\n",
+ driver, op, err, vec_num, cfg->name);
+ return err;
+ }
+ if (vec->novrfy) {
+ pr_err("alg: aead: %s %s unexpectedly succeeded on test vector %u, cfg=\"%s\"\n",
+ driver, op, vec_num, cfg->name);
+ return -EINVAL;
+ }
+
+ /* Check that the algorithm didn't overwrite things it shouldn't have */
+ if (req->cryptlen != (enc ? vec->plen : vec->clen) ||
+ req->assoclen != vec->alen ||
+ req->iv != iv ||
+ req->src != tsgls->src.sgl_ptr ||
+ req->dst != tsgls->dst.sgl_ptr ||
+ crypto_aead_reqtfm(req) != tfm ||
+ req->base.complete != crypto_req_done ||
+ req->base.flags != req_flags ||
+ req->base.data != &wait) {
+ pr_err("alg: aead: %s %s corrupted request struct on test vector %u, cfg=\"%s\"\n",
+ driver, op, vec_num, cfg->name);
+ if (req->cryptlen != (enc ? vec->plen : vec->clen))
+ pr_err("alg: aead: changed 'req->cryptlen'\n");
+ if (req->assoclen != vec->alen)
+ pr_err("alg: aead: changed 'req->assoclen'\n");
+ if (req->iv != iv)
+ pr_err("alg: aead: changed 'req->iv'\n");
+ if (req->src != tsgls->src.sgl_ptr)
+ pr_err("alg: aead: changed 'req->src'\n");
+ if (req->dst != tsgls->dst.sgl_ptr)
+ pr_err("alg: aead: changed 'req->dst'\n");
+ if (crypto_aead_reqtfm(req) != tfm)
+ pr_err("alg: aead: changed 'req->base.tfm'\n");
+ if (req->base.complete != crypto_req_done)
+ pr_err("alg: aead: changed 'req->base.complete'\n");
+ if (req->base.flags != req_flags)
+ pr_err("alg: aead: changed 'req->base.flags'\n");
+ if (req->base.data != &wait)
+ pr_err("alg: aead: changed 'req->base.data'\n");
+ return -EINVAL;
+ }
+ if (is_test_sglist_corrupted(&tsgls->src)) {
+ pr_err("alg: aead: %s %s corrupted src sgl on test vector %u, cfg=\"%s\"\n",
+ driver, op, vec_num, cfg->name);
+ return -EINVAL;
+ }
+ if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
+ is_test_sglist_corrupted(&tsgls->dst)) {
+ pr_err("alg: aead: %s %s corrupted dst sgl on test vector %u, cfg=\"%s\"\n",
+ driver, op, vec_num, cfg->name);
+ return -EINVAL;
+ }
+
+ /* Check for the correct output (ciphertext or plaintext) */
+ err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
+ enc ? vec->clen : vec->plen,
+ vec->alen, enc || !cfg->inplace);
+ if (err == -EOVERFLOW) {
+ pr_err("alg: aead: %s %s overran dst buffer on test vector %u, cfg=\"%s\"\n",
+ driver, op, vec_num, cfg->name);
+ return err;
+ }
+ if (err) {
+ pr_err("alg: aead: %s %s test failed (wrong result) on test vector %u, cfg=\"%s\"\n",
+ driver, op, vec_num, cfg->name);
+ return err;
}
return 0;
}
-static int test_cipher(struct crypto_cipher *tfm, int enc,
- const struct cipher_testvec *template,
- unsigned int tcount)
+static int test_aead_vec(const char *driver, int enc,
+ const struct aead_testvec *vec, unsigned int vec_num,
+ struct aead_request *req,
+ struct cipher_test_sglists *tsgls)
{
- const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm));
- unsigned int i, j, k;
- char *q;
- const char *e;
- const char *input, *result;
- void *data;
- char *xbuf[XBUFSIZE];
- int ret = -ENOMEM;
+ unsigned int i;
+ int err;
- if (testmgr_alloc_buf(xbuf))
- goto out_nobuf;
+ if (enc && vec->novrfy)
+ return 0;
- if (enc == ENCRYPT)
- e = "encryption";
- else
- e = "decryption";
+ for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
+ err = test_aead_vec_cfg(driver, enc, vec, vec_num,
+ &default_cipher_testvec_configs[i],
+ req, tsgls);
+ if (err)
+ return err;
+ }
- j = 0;
- for (i = 0; i < tcount; i++) {
- if (template[i].np)
- continue;
+#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
+ if (!noextratests) {
+ struct testvec_config cfg;
+ char cfgname[TESTVEC_CONFIG_NAMELEN];
- if (fips_enabled && template[i].fips_skip)
- continue;
+ for (i = 0; i < fuzz_iterations; i++) {
+ generate_random_testvec_config(&cfg, cfgname,
+ sizeof(cfgname));
+ err = test_aead_vec_cfg(driver, enc, vec, vec_num,
+ &cfg, req, tsgls);
+ if (err)
+ return err;
+ }
+ }
+#endif
+ return 0;
+}
- input = enc ? template[i].ptext : template[i].ctext;
- result = enc ? template[i].ctext : template[i].ptext;
- j++;
+static int test_aead(const char *driver, int enc,
+ const struct aead_test_suite *suite,
+ struct aead_request *req,
+ struct cipher_test_sglists *tsgls)
+{
+ unsigned int i;
+ int err;
- ret = -EINVAL;
- if (WARN_ON(template[i].len > PAGE_SIZE))
- goto out;
+ for (i = 0; i < suite->count; i++) {
+ err = test_aead_vec(driver, enc, &suite->vecs[i], i, req,
+ tsgls);
+ if (err)
+ return err;
+ }
+ return 0;
+}
- data = xbuf[0];
- memcpy(data, input, template[i].len);
+static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
+ u32 type, u32 mask)
+{
+ const struct aead_test_suite *suite = &desc->suite.aead;
+ struct crypto_aead *tfm;
+ struct aead_request *req = NULL;
+ struct cipher_test_sglists *tsgls = NULL;
+ int err;
- crypto_cipher_clear_flags(tfm, ~0);
- if (template[i].wk)
- crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_WEAK_KEY);
+ if (suite->count <= 0) {
+ pr_err("alg: aead: empty test suite for %s\n", driver);
+ return -EINVAL;
+ }
- ret = crypto_cipher_setkey(tfm, template[i].key,
- template[i].klen);
- if (template[i].fail == !ret) {
- printk(KERN_ERR "alg: cipher: setkey failed "
- "on test %d for %s: flags=%x\n", j,
- algo, crypto_cipher_get_flags(tfm));
- goto out;
- } else if (ret)
- continue;
+ tfm = crypto_alloc_aead(driver, type, mask);
+ if (IS_ERR(tfm)) {
+ pr_err("alg: aead: failed to allocate transform for %s: %ld\n",
+ driver, PTR_ERR(tfm));
+ return PTR_ERR(tfm);
+ }
- for (k = 0; k < template[i].len;
- k += crypto_cipher_blocksize(tfm)) {
- if (enc)
- crypto_cipher_encrypt_one(tfm, data + k,
- data + k);
- else
- crypto_cipher_decrypt_one(tfm, data + k,
- data + k);
- }
+ req = aead_request_alloc(tfm, GFP_KERNEL);
+ if (!req) {
+ pr_err("alg: aead: failed to allocate request for %s\n",
+ driver);
+ err = -ENOMEM;
+ goto out;
+ }
- q = data;
- if (memcmp(q, result, template[i].len)) {
- printk(KERN_ERR "alg: cipher: Test %d failed "
- "on %s for %s\n", j, e, algo);
- hexdump(q, template[i].len);
- ret = -EINVAL;
- goto out;
- }
+ tsgls = alloc_cipher_test_sglists();
+ if (!tsgls) {
+ pr_err("alg: aead: failed to allocate test buffers for %s\n",
+ driver);
+ err = -ENOMEM;
+ goto out;
}
- ret = 0;
+ err = test_aead(driver, ENCRYPT, suite, req, tsgls);
+ if (err)
+ goto out;
+ err = test_aead(driver, DECRYPT, suite, req, tsgls);
out:
- testmgr_free_buf(xbuf);
-out_nobuf:
- return ret;
+ free_cipher_test_sglists(tsgls);
+ aead_request_free(req);
+ crypto_free_aead(tfm);
+ return err;
}
-static int __test_skcipher(struct crypto_skcipher *tfm, int enc,
- const struct cipher_testvec *template,
- unsigned int tcount,
- const bool diff_dst, const int align_offset)
+static int test_cipher(struct crypto_cipher *tfm, int enc,
+ const struct cipher_testvec *template,
+ unsigned int tcount)
{
- const char *algo =
- crypto_tfm_alg_driver_name(crypto_skcipher_tfm(tfm));
- unsigned int i, j, k, n, temp;
+ const char *algo = crypto_tfm_alg_driver_name(crypto_cipher_tfm(tfm));
+ unsigned int i, j, k;
char *q;
- struct skcipher_request *req;
- struct scatterlist sg[8];
- struct scatterlist sgout[8];
- const char *e, *d;
- struct crypto_wait wait;
+ const char *e;
const char *input, *result;
void *data;
- char iv[MAX_IVLEN];
char *xbuf[XBUFSIZE];
- char *xoutbuf[XBUFSIZE];
int ret = -ENOMEM;
- unsigned int ivsize = crypto_skcipher_ivsize(tfm);
if (testmgr_alloc_buf(xbuf))
goto out_nobuf;
- if (diff_dst && testmgr_alloc_buf(xoutbuf))
- goto out_nooutbuf;
-
- if (diff_dst)
- d = "-ddst";
- else
- d = "";
-
if (enc == ENCRYPT)
e = "encryption";
else
e = "decryption";
- crypto_init_wait(&wait);
-
- req = skcipher_request_alloc(tfm, GFP_KERNEL);
- if (!req) {
- pr_err("alg: skcipher%s: Failed to allocate request for %s\n",
- d, algo);
- goto out;
- }
-
- skcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
- crypto_req_done, &wait);
-
j = 0;
for (i = 0; i < tcount; i++) {
- if (template[i].np && !template[i].also_non_np)
- continue;
if (fips_enabled && template[i].fips_skip)
continue;
- if (template[i].iv && !(template[i].generates_iv && enc))
- memcpy(iv, template[i].iv, ivsize);
- else
- memset(iv, 0, MAX_IVLEN);
-
input = enc ? template[i].ptext : template[i].ctext;
result = enc ? template[i].ctext : template[i].ptext;
j++;
+
ret = -EINVAL;
- if (WARN_ON(align_offset + template[i].len > PAGE_SIZE))
+ if (WARN_ON(template[i].len > PAGE_SIZE))
goto out;
data = xbuf[0];
- data += align_offset;
memcpy(data, input, template[i].len);
- crypto_skcipher_clear_flags(tfm, ~0);
+ crypto_cipher_clear_flags(tfm, ~0);
if (template[i].wk)
- crypto_skcipher_set_flags(tfm,
- CRYPTO_TFM_REQ_WEAK_KEY);
+ crypto_cipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
- ret = crypto_skcipher_setkey(tfm, template[i].key,
- template[i].klen);
+ ret = crypto_cipher_setkey(tfm, template[i].key,
+ template[i].klen);
if (template[i].fail == !ret) {
- pr_err("alg: skcipher%s: setkey failed on test %d for %s: flags=%x\n",
- d, j, algo, crypto_skcipher_get_flags(tfm));
+ printk(KERN_ERR "alg: cipher: setkey failed "
+ "on test %d for %s: flags=%x\n", j,
+ algo, crypto_cipher_get_flags(tfm));
goto out;
} else if (ret)
continue;
- sg_init_one(&sg[0], data, template[i].len);
- if (diff_dst) {
- data = xoutbuf[0];
- data += align_offset;
- sg_init_one(&sgout[0], data, template[i].len);
- }
-
- skcipher_request_set_crypt(req, sg, (diff_dst) ? sgout : sg,
- template[i].len, iv);
- ret = crypto_wait_req(enc ? crypto_skcipher_encrypt(req) :
- crypto_skcipher_decrypt(req), &wait);
-
- if (ret) {
- pr_err("alg: skcipher%s: %s failed on test %d for %s: ret=%d\n",
- d, e, j, algo, -ret);
- goto out;
+ for (k = 0; k < template[i].len;
+ k += crypto_cipher_blocksize(tfm)) {
+ if (enc)
+ crypto_cipher_encrypt_one(tfm, data + k,
+ data + k);
+ else
+ crypto_cipher_decrypt_one(tfm, data + k,
+ data + k);
}
q = data;
if (memcmp(q, result, template[i].len)) {
- pr_err("alg: skcipher%s: Test %d failed (invalid result) on %s for %s\n",
- d, j, e, algo);
+ printk(KERN_ERR "alg: cipher: Test %d failed "
+ "on %s for %s\n", j, e, algo);
hexdump(q, template[i].len);
ret = -EINVAL;
goto out;
}
-
- if (template[i].generates_iv && enc &&
- memcmp(iv, template[i].iv, crypto_skcipher_ivsize(tfm))) {
- pr_err("alg: skcipher%s: Test %d failed (invalid output IV) on %s for %s\n",
- d, j, e, algo);
- hexdump(iv, crypto_skcipher_ivsize(tfm));
- ret = -EINVAL;
- goto out;
- }
}
- j = 0;
- for (i = 0; i < tcount; i++) {
- /* alignment tests are only done with continuous buffers */
- if (align_offset != 0)
- break;
-
- if (!template[i].np)
- continue;
-
- if (fips_enabled && template[i].fips_skip)
- continue;
-
- if (template[i].iv && !(template[i].generates_iv && enc))
- memcpy(iv, template[i].iv, ivsize);
- else
- memset(iv, 0, MAX_IVLEN);
-
- input = enc ? template[i].ptext : template[i].ctext;
- result = enc ? template[i].ctext : template[i].ptext;
- j++;
- crypto_skcipher_clear_flags(tfm, ~0);
- if (template[i].wk)
- crypto_skcipher_set_flags(tfm,
- CRYPTO_TFM_REQ_WEAK_KEY);
-
- ret = crypto_skcipher_setkey(tfm, template[i].key,
- template[i].klen);
- if (template[i].fail == !ret) {
- pr_err("alg: skcipher%s: setkey failed on chunk test %d for %s: flags=%x\n",
- d, j, algo, crypto_skcipher_get_flags(tfm));
- goto out;
- } else if (ret)
- continue;
+ ret = 0;
- temp = 0;
- ret = -EINVAL;
- sg_init_table(sg, template[i].np);
- if (diff_dst)
- sg_init_table(sgout, template[i].np);
- for (k = 0; k < template[i].np; k++) {
- if (WARN_ON(offset_in_page(IDX[k]) +
- template[i].tap[k] > PAGE_SIZE))
- goto out;
+out:
+ testmgr_free_buf(xbuf);
+out_nobuf:
+ return ret;
+}
- q = xbuf[IDX[k] >> PAGE_SHIFT] + offset_in_page(IDX[k]);
+static int test_skcipher_vec_cfg(const char *driver, int enc,
+ const struct cipher_testvec *vec,
+ unsigned int vec_num,
+ const struct testvec_config *cfg,
+ struct skcipher_request *req,
+ struct cipher_test_sglists *tsgls)
+{
+ struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(req);
+ const unsigned int alignmask = crypto_skcipher_alignmask(tfm);
+ const unsigned int ivsize = crypto_skcipher_ivsize(tfm);
+ const u32 req_flags = CRYPTO_TFM_REQ_MAY_BACKLOG | cfg->req_flags;
+ const char *op = enc ? "encryption" : "decryption";
+ DECLARE_CRYPTO_WAIT(wait);
+ u8 _iv[3 * (MAX_ALGAPI_ALIGNMASK + 1) + MAX_IVLEN];
+ u8 *iv = PTR_ALIGN(&_iv[0], 2 * (MAX_ALGAPI_ALIGNMASK + 1)) +
+ cfg->iv_offset +
+ (cfg->iv_offset_relative_to_alignmask ? alignmask : 0);
+ struct kvec input;
+ int err;
- memcpy(q, input + temp, template[i].tap[k]);
+ /* Set the key */
+ if (vec->wk)
+ crypto_skcipher_set_flags(tfm, CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
+ else
+ crypto_skcipher_clear_flags(tfm,
+ CRYPTO_TFM_REQ_FORBID_WEAK_KEYS);
+ err = crypto_skcipher_setkey(tfm, vec->key, vec->klen);
+ if (err) {
+ if (vec->fail) /* expectedly failed to set key? */
+ return 0;
+ pr_err("alg: skcipher: %s setkey failed with err %d on test vector %u; flags=%#x\n",
+ driver, err, vec_num, crypto_skcipher_get_flags(tfm));
+ return err;
+ }
+ if (vec->fail) {
+ pr_err("alg: skcipher: %s setkey unexpectedly succeeded on test vector %u\n",
+ driver, vec_num);
+ return -EINVAL;
+ }
- if (offset_in_page(q) + template[i].tap[k] < PAGE_SIZE)
- q[template[i].tap[k]] = 0;
+ /* The IV must be copied to a buffer, as the algorithm may modify it */
+ if (ivsize) {
+ if (WARN_ON(ivsize > MAX_IVLEN))
+ return -EINVAL;
+ if (vec->generates_iv && !enc)
+ memcpy(iv, vec->iv_out, ivsize);
+ else if (vec->iv)
+ memcpy(iv, vec->iv, ivsize);
+ else
+ memset(iv, 0, ivsize);
+ } else {
+ if (vec->generates_iv) {
+ pr_err("alg: skcipher: %s has ivsize=0 but test vector %u generates IV!\n",
+ driver, vec_num);
+ return -EINVAL;
+ }
+ iv = NULL;
+ }
- sg_set_buf(&sg[k], q, template[i].tap[k]);
- if (diff_dst) {
- q = xoutbuf[IDX[k] >> PAGE_SHIFT] +
- offset_in_page(IDX[k]);
+ /* Build the src/dst scatterlists */
+ input.iov_base = enc ? (void *)vec->ptext : (void *)vec->ctext;
+ input.iov_len = vec->len;
+ err = build_cipher_test_sglists(tsgls, cfg, alignmask,
+ vec->len, vec->len, &input, 1);
+ if (err) {
+ pr_err("alg: skcipher: %s %s: error preparing scatterlists for test vector %u, cfg=\"%s\"\n",
+ driver, op, vec_num, cfg->name);
+ return err;
+ }
- sg_set_buf(&sgout[k], q, template[i].tap[k]);
+ /* Do the actual encryption or decryption */
+ testmgr_poison(req->__ctx, crypto_skcipher_reqsize(tfm));
+ skcipher_request_set_callback(req, req_flags, crypto_req_done, &wait);
+ skcipher_request_set_crypt(req, tsgls->src.sgl_ptr, tsgls->dst.sgl_ptr,
+ vec->len, iv);
+ err = crypto_wait_req(enc ? crypto_skcipher_encrypt(req) :
+ crypto_skcipher_decrypt(req), &wait);
+ if (err) {
+ pr_err("alg: skcipher: %s %s failed with err %d on test vector %u, cfg=\"%s\"\n",
+ driver, op, err, vec_num, cfg->name);
+ return err;
+ }
- memset(q, 0, template[i].tap[k]);
- if (offset_in_page(q) +
- template[i].tap[k] < PAGE_SIZE)
- q[template[i].tap[k]] = 0;
- }
+ /* Check that the algorithm didn't overwrite things it shouldn't have */
+ if (req->cryptlen != vec->len ||
+ req->iv != iv ||
+ req->src != tsgls->src.sgl_ptr ||
+ req->dst != tsgls->dst.sgl_ptr ||
+ crypto_skcipher_reqtfm(req) != tfm ||
+ req->base.complete != crypto_req_done ||
+ req->base.flags != req_flags ||
+ req->base.data != &wait) {
+ pr_err("alg: skcipher: %s %s corrupted request struct on test vector %u, cfg=\"%s\"\n",
+ driver, op, vec_num, cfg->name);
+ if (req->cryptlen != vec->len)
+ pr_err("alg: skcipher: changed 'req->cryptlen'\n");
+ if (req->iv != iv)
+ pr_err("alg: skcipher: changed 'req->iv'\n");
+ if (req->src != tsgls->src.sgl_ptr)
+ pr_err("alg: skcipher: changed 'req->src'\n");
+ if (req->dst != tsgls->dst.sgl_ptr)
+ pr_err("alg: skcipher: changed 'req->dst'\n");
+ if (crypto_skcipher_reqtfm(req) != tfm)
+ pr_err("alg: skcipher: changed 'req->base.tfm'\n");
+ if (req->base.complete != crypto_req_done)
+ pr_err("alg: skcipher: changed 'req->base.complete'\n");
+ if (req->base.flags != req_flags)
+ pr_err("alg: skcipher: changed 'req->base.flags'\n");
+ if (req->base.data != &wait)
+ pr_err("alg: skcipher: changed 'req->base.data'\n");
+ return -EINVAL;
+ }
+ if (is_test_sglist_corrupted(&tsgls->src)) {
+ pr_err("alg: skcipher: %s %s corrupted src sgl on test vector %u, cfg=\"%s\"\n",
+ driver, op, vec_num, cfg->name);
+ return -EINVAL;
+ }
+ if (tsgls->dst.sgl_ptr != tsgls->src.sgl &&
+ is_test_sglist_corrupted(&tsgls->dst)) {
+ pr_err("alg: skcipher: %s %s corrupted dst sgl on test vector %u, cfg=\"%s\"\n",
+ driver, op, vec_num, cfg->name);
+ return -EINVAL;
+ }
+
+ /* Check for the correct output (ciphertext or plaintext) */
+ err = verify_correct_output(&tsgls->dst, enc ? vec->ctext : vec->ptext,
+ vec->len, 0, true);
+ if (err == -EOVERFLOW) {
+ pr_err("alg: skcipher: %s %s overran dst buffer on test vector %u, cfg=\"%s\"\n",
+ driver, op, vec_num, cfg->name);
+ return err;
+ }
+ if (err) {
+ pr_err("alg: skcipher: %s %s test failed (wrong result) on test vector %u, cfg=\"%s\"\n",
+ driver, op, vec_num, cfg->name);
+ return err;
+ }
- temp += template[i].tap[k];
- }
+ /* If applicable, check that the algorithm generated the correct IV */
+ if (vec->iv_out && memcmp(iv, vec->iv_out, ivsize) != 0) {
+ pr_err("alg: skcipher: %s %s test failed (wrong output IV) on test vector %u, cfg=\"%s\"\n",
+ driver, op, vec_num, cfg->name);
+ hexdump(iv, ivsize);
+ return -EINVAL;
+ }
- skcipher_request_set_crypt(req, sg, (diff_dst) ? sgout : sg,
- template[i].len, iv);
+ return 0;
+}
- ret = crypto_wait_req(enc ? crypto_skcipher_encrypt(req) :
- crypto_skcipher_decrypt(req), &wait);
+static int test_skcipher_vec(const char *driver, int enc,
+ const struct cipher_testvec *vec,
+ unsigned int vec_num,
+ struct skcipher_request *req,
+ struct cipher_test_sglists *tsgls)
+{
+ unsigned int i;
+ int err;
- if (ret) {
- pr_err("alg: skcipher%s: %s failed on chunk test %d for %s: ret=%d\n",
- d, e, j, algo, -ret);
- goto out;
- }
+ if (fips_enabled && vec->fips_skip)
+ return 0;
- temp = 0;
- ret = -EINVAL;
- for (k = 0; k < template[i].np; k++) {
- if (diff_dst)
- q = xoutbuf[IDX[k] >> PAGE_SHIFT] +
- offset_in_page(IDX[k]);
- else
- q = xbuf[IDX[k] >> PAGE_SHIFT] +
- offset_in_page(IDX[k]);
+ for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++) {
+ err = test_skcipher_vec_cfg(driver, enc, vec, vec_num,
+ &default_cipher_testvec_configs[i],
+ req, tsgls);
+ if (err)
+ return err;
+ }
- if (memcmp(q, result + temp, template[i].tap[k])) {
- pr_err("alg: skcipher%s: Chunk test %d failed on %s at page %u for %s\n",
- d, j, e, k, algo);
- hexdump(q, template[i].tap[k]);
- goto out;
- }
+#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
+ if (!noextratests) {
+ struct testvec_config cfg;
+ char cfgname[TESTVEC_CONFIG_NAMELEN];
- q += template[i].tap[k];
- for (n = 0; offset_in_page(q + n) && q[n]; n++)
- ;
- if (n) {
- pr_err("alg: skcipher%s: Result buffer corruption in chunk test %d on %s at page %u for %s: %u bytes:\n",
- d, j, e, k, algo, n);
- hexdump(q, n);
- goto out;
- }
- temp += template[i].tap[k];
+ for (i = 0; i < fuzz_iterations; i++) {
+ generate_random_testvec_config(&cfg, cfgname,
+ sizeof(cfgname));
+ err = test_skcipher_vec_cfg(driver, enc, vec, vec_num,
+ &cfg, req, tsgls);
+ if (err)
+ return err;
}
}
+#endif
+ return 0;
+}
- ret = 0;
+static int test_skcipher(const char *driver, int enc,
+ const struct cipher_test_suite *suite,
+ struct skcipher_request *req,
+ struct cipher_test_sglists *tsgls)
+{
+ unsigned int i;
+ int err;
-out:
- skcipher_request_free(req);
- if (diff_dst)
- testmgr_free_buf(xoutbuf);
-out_nooutbuf:
- testmgr_free_buf(xbuf);
-out_nobuf:
- return ret;
+ for (i = 0; i < suite->count; i++) {
+ err = test_skcipher_vec(driver, enc, &suite->vecs[i], i, req,
+ tsgls);
+ if (err)
+ return err;
+ }
+ return 0;
}
-static int test_skcipher(struct crypto_skcipher *tfm, int enc,
- const struct cipher_testvec *template,
- unsigned int tcount)
+static int alg_test_skcipher(const struct alg_test_desc *desc,
+ const char *driver, u32 type, u32 mask)
{
- unsigned int alignmask;
- int ret;
+ const struct cipher_test_suite *suite = &desc->suite.cipher;
+ struct crypto_skcipher *tfm;
+ struct skcipher_request *req = NULL;
+ struct cipher_test_sglists *tsgls = NULL;
+ int err;
- /* test 'dst == src' case */
- ret = __test_skcipher(tfm, enc, template, tcount, false, 0);
- if (ret)
- return ret;
+ if (suite->count <= 0) {
+ pr_err("alg: skcipher: empty test suite for %s\n", driver);
+ return -EINVAL;
+ }
- /* test 'dst != src' case */
- ret = __test_skcipher(tfm, enc, template, tcount, true, 0);
- if (ret)
- return ret;
+ tfm = crypto_alloc_skcipher(driver, type, mask);
+ if (IS_ERR(tfm)) {
+ pr_err("alg: skcipher: failed to allocate transform for %s: %ld\n",
+ driver, PTR_ERR(tfm));
+ return PTR_ERR(tfm);
+ }
- /* test unaligned buffers, check with one byte offset */
- ret = __test_skcipher(tfm, enc, template, tcount, true, 1);
- if (ret)
- return ret;
+ req = skcipher_request_alloc(tfm, GFP_KERNEL);
+ if (!req) {
+ pr_err("alg: skcipher: failed to allocate request for %s\n",
+ driver);
+ err = -ENOMEM;
+ goto out;
+ }
- alignmask = crypto_tfm_alg_alignmask(&tfm->base);
- if (alignmask) {
- /* Check if alignment mask for tfm is correctly set. */
- ret = __test_skcipher(tfm, enc, template, tcount, true,
- alignmask + 1);
- if (ret)
- return ret;
+ tsgls = alloc_cipher_test_sglists();
+ if (!tsgls) {
+ pr_err("alg: skcipher: failed to allocate test buffers for %s\n",
+ driver);
+ err = -ENOMEM;
+ goto out;
}
- return 0;
+ err = test_skcipher(driver, ENCRYPT, suite, req, tsgls);
+ if (err)
+ goto out;
+
+ err = test_skcipher(driver, DECRYPT, suite, req, tsgls);
+out:
+ free_cipher_test_sglists(tsgls);
+ skcipher_request_free(req);
+ crypto_free_skcipher(tfm);
+ return err;
}
static int test_comp(struct crypto_comp *tfm,
return err;
}
-static int alg_test_aead(const struct alg_test_desc *desc, const char *driver,
- u32 type, u32 mask)
-{
- const struct aead_test_suite *suite = &desc->suite.aead;
- struct crypto_aead *tfm;
- int err;
-
- tfm = crypto_alloc_aead(driver, type, mask);
- if (IS_ERR(tfm)) {
- printk(KERN_ERR "alg: aead: Failed to load transform for %s: "
- "%ld\n", driver, PTR_ERR(tfm));
- return PTR_ERR(tfm);
- }
-
- err = test_aead(tfm, ENCRYPT, suite->vecs, suite->count);
- if (!err)
- err = test_aead(tfm, DECRYPT, suite->vecs, suite->count);
-
- crypto_free_aead(tfm);
- return err;
-}
-
static int alg_test_cipher(const struct alg_test_desc *desc,
const char *driver, u32 type, u32 mask)
{
return err;
}
-static int alg_test_skcipher(const struct alg_test_desc *desc,
- const char *driver, u32 type, u32 mask)
-{
- const struct cipher_test_suite *suite = &desc->suite.cipher;
- struct crypto_skcipher *tfm;
- int err;
-
- tfm = crypto_alloc_skcipher(driver, type, mask);
- if (IS_ERR(tfm)) {
- printk(KERN_ERR "alg: skcipher: Failed to load transform for "
- "%s: %ld\n", driver, PTR_ERR(tfm));
- return PTR_ERR(tfm);
- }
-
- err = test_skcipher(tfm, ENCRYPT, suite->vecs, suite->count);
- if (!err)
- err = test_skcipher(tfm, DECRYPT, suite->vecs, suite->count);
-
- crypto_free_skcipher(tfm);
- return err;
-}
-
static int alg_test_comp(const struct alg_test_desc *desc, const char *driver,
u32 type, u32 mask)
{
return err;
}
-static int __alg_test_hash(const struct hash_testvec *template,
- unsigned int tcount, const char *driver,
- u32 type, u32 mask)
-{
- struct crypto_ahash *tfm;
- int err;
-
- tfm = crypto_alloc_ahash(driver, type, mask);
- if (IS_ERR(tfm)) {
- printk(KERN_ERR "alg: hash: Failed to load transform for %s: "
- "%ld\n", driver, PTR_ERR(tfm));
- return PTR_ERR(tfm);
- }
-
- err = test_hash(tfm, template, tcount, HASH_TEST_DIGEST);
- if (!err)
- err = test_hash(tfm, template, tcount, HASH_TEST_FINAL);
- if (!err)
- err = test_hash(tfm, template, tcount, HASH_TEST_FINUP);
- crypto_free_ahash(tfm);
- return err;
-}
-
-static int alg_test_hash(const struct alg_test_desc *desc, const char *driver,
- u32 type, u32 mask)
-{
- const struct hash_testvec *template = desc->suite.hash.vecs;
- unsigned int tcount = desc->suite.hash.count;
- unsigned int nr_unkeyed, nr_keyed;
- int err;
-
- /*
- * For OPTIONAL_KEY algorithms, we have to do all the unkeyed tests
- * first, before setting a key on the tfm. To make this easier, we
- * require that the unkeyed test vectors (if any) are listed first.
- */
-
- for (nr_unkeyed = 0; nr_unkeyed < tcount; nr_unkeyed++) {
- if (template[nr_unkeyed].ksize)
- break;
- }
- for (nr_keyed = 0; nr_unkeyed + nr_keyed < tcount; nr_keyed++) {
- if (!template[nr_unkeyed + nr_keyed].ksize) {
- pr_err("alg: hash: test vectors for %s out of order, "
- "unkeyed ones must come first\n", desc->alg);
- return -EINVAL;
- }
- }
-
- err = 0;
- if (nr_unkeyed) {
- err = __alg_test_hash(template, nr_unkeyed, driver, type, mask);
- template += nr_unkeyed;
- }
-
- if (!err && nr_keyed)
- err = __alg_test_hash(template, nr_keyed, driver, type, mask);
-
- return err;
-}
-
static int alg_test_crc32c(const struct alg_test_desc *desc,
const char *driver, u32 type, u32 mask)
{
err = alg_test_hash(desc, driver, type, mask);
if (err)
- goto out;
+ return err;
tfm = crypto_alloc_shash(driver, type, mask);
if (IS_ERR(tfm)) {
+ if (PTR_ERR(tfm) == -ENOENT) {
+ /*
+ * This crc32c implementation is only available through
+ * ahash API, not the shash API, so the remaining part
+ * of the test is not applicable to it.
+ */
+ return 0;
+ }
printk(KERN_ERR "alg: crc32c: Failed to load transform for %s: "
"%ld\n", driver, PTR_ERR(tfm));
- err = PTR_ERR(tfm);
- goto out;
+ return PTR_ERR(tfm);
}
do {
crypto_free_shash(tfm);
-out:
return err;
}
if (vec->genkey) {
/* Save party A's public key */
- a_public = kzalloc(out_len_max, GFP_KERNEL);
+ a_public = kmemdup(sg_virt(req->dst), out_len_max, GFP_KERNEL);
if (!a_public) {
err = -ENOMEM;
goto free_output;
}
- memcpy(a_public, sg_virt(req->dst), out_len_max);
} else {
/* Verify calculated public key */
if (memcmp(vec->expected_a_public, sg_virt(req->dst),
}
/* Calculate shared secret key by using counter part (b) public key. */
- input_buf = kzalloc(vec->b_public_size, GFP_KERNEL);
+ input_buf = kmemdup(vec->b_public, vec->b_public_size, GFP_KERNEL);
if (!input_buf) {
err = -ENOMEM;
goto free_output;
}
- memcpy(input_buf, vec->b_public, vec->b_public_size);
sg_init_one(&src, input_buf, vec->b_public_size);
sg_init_one(&dst, output_buf, out_len_max);
kpp_request_set_input(req, &src, vec->b_public_size);
if (vec->genkey) {
/* Save the shared secret obtained by party A */
- a_ss = kzalloc(vec->expected_ss_size, GFP_KERNEL);
+ a_ss = kmemdup(sg_virt(req->dst), vec->expected_ss_size, GFP_KERNEL);
if (!a_ss) {
err = -ENOMEM;
goto free_all;
}
- memcpy(a_ss, sg_virt(req->dst), vec->expected_ss_size);
/*
* Calculate party B's shared secret by using party A's
}, {
.alg = "crc32",
.test = alg_test_hash,
+ .fips_allowed = 1,
.suite = {
.hash = __VECS(crc32_tv_template)
}
}
};
-static bool alg_test_descs_checked;
-
-static void alg_test_descs_check_order(void)
+static void alg_check_test_descs_order(void)
{
int i;
- /* only check once */
- if (alg_test_descs_checked)
- return;
-
- alg_test_descs_checked = true;
-
for (i = 1; i < ARRAY_SIZE(alg_test_descs); i++) {
int diff = strcmp(alg_test_descs[i - 1].alg,
alg_test_descs[i].alg);
}
}
+static void alg_check_testvec_configs(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(default_cipher_testvec_configs); i++)
+ WARN_ON(!valid_testvec_config(
+ &default_cipher_testvec_configs[i]));
+
+ for (i = 0; i < ARRAY_SIZE(default_hash_testvec_configs); i++)
+ WARN_ON(!valid_testvec_config(
+ &default_hash_testvec_configs[i]));
+}
+
+static void testmgr_onetime_init(void)
+{
+ alg_check_test_descs_order();
+ alg_check_testvec_configs();
+
+#ifdef CONFIG_CRYPTO_MANAGER_EXTRA_TESTS
+ pr_warn("alg: extra crypto tests enabled. This is intended for developer use only.\n");
+#endif
+}
+
static int alg_find_test(const char *alg)
{
int start = 0;
return 0;
}
- alg_test_descs_check_order();
+ DO_ONCE(testmgr_onetime_init);
if ((type & CRYPTO_ALG_TYPE_MASK) == CRYPTO_ALG_TYPE_CIPHER) {
char nalg[CRYPTO_MAX_ALG_NAME];
projects / linux-2.6-microblaze.git / blobdiff