summaryrefslogtreecommitdiff
path: root/crypto/algapi.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/algapi.c')
-rw-r--r--crypto/algapi.c623
1 files changed, 233 insertions, 390 deletions
diff --git a/crypto/algapi.c b/crypto/algapi.c
index 92abdf675992..e604d0d8b7b4 100644
--- a/crypto/algapi.c
+++ b/crypto/algapi.c
@@ -16,6 +16,7 @@
#include <linux/rtnetlink.h>
#include <linux/slab.h>
#include <linux/string.h>
+#include <linux/workqueue.h>
#include "internal.h"
@@ -68,13 +69,36 @@ static void crypto_free_instance(struct crypto_instance *inst)
inst->alg.cra_type->free(inst);
}
+static void crypto_destroy_instance_workfn(struct work_struct *w)
+{
+ struct crypto_template *tmpl = container_of(w, struct crypto_template,
+ free_work);
+ struct crypto_instance *inst;
+ struct hlist_node *n;
+ HLIST_HEAD(list);
+
+ down_write(&crypto_alg_sem);
+ hlist_for_each_entry_safe(inst, n, &tmpl->dead, list) {
+ if (refcount_read(&inst->alg.cra_refcnt) != -1)
+ continue;
+ hlist_del(&inst->list);
+ hlist_add_head(&inst->list, &list);
+ }
+ up_write(&crypto_alg_sem);
+
+ hlist_for_each_entry_safe(inst, n, &list, list)
+ crypto_free_instance(inst);
+}
+
static void crypto_destroy_instance(struct crypto_alg *alg)
{
- struct crypto_instance *inst = (void *)alg;
+ struct crypto_instance *inst = container_of(alg,
+ struct crypto_instance,
+ alg);
struct crypto_template *tmpl = inst->tmpl;
- crypto_free_instance(inst);
- crypto_tmpl_put(tmpl);
+ refcount_set(&alg->cra_refcnt, -1);
+ schedule_work(&tmpl->free_work);
}
/*
@@ -120,14 +144,16 @@ static void crypto_remove_instance(struct crypto_instance *inst,
inst->alg.cra_flags |= CRYPTO_ALG_DEAD;
- if (!tmpl || !crypto_tmpl_get(tmpl))
+ if (!tmpl)
return;
- list_move(&inst->alg.cra_list, list);
+ list_del_init(&inst->alg.cra_list);
hlist_del(&inst->list);
- inst->alg.cra_destroy = crypto_destroy_instance;
+ hlist_add_head(&inst->list, &tmpl->dead);
BUG_ON(!list_empty(&inst->alg.cra_users));
+
+ crypto_alg_put(&inst->alg);
}
/*
@@ -216,7 +242,63 @@ void crypto_remove_spawns(struct crypto_alg *alg, struct list_head *list,
}
EXPORT_SYMBOL_GPL(crypto_remove_spawns);
-static struct crypto_larval *__crypto_register_alg(struct crypto_alg *alg)
+static void crypto_alg_finish_registration(struct crypto_alg *alg,
+ struct list_head *algs_to_put)
+{
+ struct crypto_alg *q;
+
+ list_for_each_entry(q, &crypto_alg_list, cra_list) {
+ if (q == alg)
+ continue;
+
+ if (crypto_is_moribund(q))
+ continue;
+
+ if (crypto_is_larval(q))
+ continue;
+
+ if (strcmp(alg->cra_name, q->cra_name))
+ continue;
+
+ if (strcmp(alg->cra_driver_name, q->cra_driver_name) &&
+ q->cra_priority > alg->cra_priority)
+ continue;
+
+ crypto_remove_spawns(q, algs_to_put, alg);
+ }
+
+ crypto_notify(CRYPTO_MSG_ALG_LOADED, alg);
+}
+
+static struct crypto_larval *crypto_alloc_test_larval(struct crypto_alg *alg)
+{
+ struct crypto_larval *larval;
+
+ if (!IS_ENABLED(CONFIG_CRYPTO_SELFTESTS) ||
+ (alg->cra_flags & CRYPTO_ALG_INTERNAL))
+ return NULL; /* No self-test needed */
+
+ larval = crypto_larval_alloc(alg->cra_name,
+ alg->cra_flags | CRYPTO_ALG_TESTED, 0);
+ if (IS_ERR(larval))
+ return larval;
+
+ larval->adult = crypto_mod_get(alg);
+ if (!larval->adult) {
+ kfree(larval);
+ return ERR_PTR(-ENOENT);
+ }
+
+ refcount_set(&larval->alg.cra_refcnt, 1);
+ memcpy(larval->alg.cra_driver_name, alg->cra_driver_name,
+ CRYPTO_MAX_ALG_NAME);
+ larval->alg.cra_priority = alg->cra_priority;
+
+ return larval;
+}
+
+static struct crypto_larval *
+__crypto_register_alg(struct crypto_alg *alg, struct list_head *algs_to_put)
{
struct crypto_alg *q;
struct crypto_larval *larval;
@@ -227,9 +309,6 @@ static struct crypto_larval *__crypto_register_alg(struct crypto_alg *alg)
INIT_LIST_HEAD(&alg->cra_users);
- /* No cheating! */
- alg->cra_flags &= ~CRYPTO_ALG_TESTED;
-
ret = -EEXIST;
list_for_each_entry(q, &crypto_alg_list, cra_list) {
@@ -246,35 +325,30 @@ static struct crypto_larval *__crypto_register_alg(struct crypto_alg *alg)
}
if (!strcmp(q->cra_driver_name, alg->cra_name) ||
+ !strcmp(q->cra_driver_name, alg->cra_driver_name) ||
!strcmp(q->cra_name, alg->cra_driver_name))
goto err;
}
- larval = crypto_larval_alloc(alg->cra_name,
- alg->cra_flags | CRYPTO_ALG_TESTED, 0);
+ larval = crypto_alloc_test_larval(alg);
if (IS_ERR(larval))
goto out;
- ret = -ENOENT;
- larval->adult = crypto_mod_get(alg);
- if (!larval->adult)
- goto free_larval;
-
- refcount_set(&larval->alg.cra_refcnt, 1);
- memcpy(larval->alg.cra_driver_name, alg->cra_driver_name,
- CRYPTO_MAX_ALG_NAME);
- larval->alg.cra_priority = alg->cra_priority;
-
list_add(&alg->cra_list, &crypto_alg_list);
- list_add(&larval->alg.cra_list, &crypto_alg_list);
- crypto_stats_init(alg);
+ if (larval) {
+ /* No cheating! */
+ alg->cra_flags &= ~CRYPTO_ALG_TESTED;
+
+ list_add(&larval->alg.cra_list, &crypto_alg_list);
+ } else {
+ alg->cra_flags |= CRYPTO_ALG_TESTED;
+ crypto_alg_finish_registration(alg, algs_to_put);
+ }
out:
return larval;
-free_larval:
- kfree(larval);
err:
larval = ERR_PTR(ret);
goto out;
@@ -286,7 +360,6 @@ void crypto_alg_tested(const char *name, int err)
struct crypto_alg *alg;
struct crypto_alg *q;
LIST_HEAD(list);
- bool best;
down_write(&crypto_alg_sem);
list_for_each_entry(q, &crypto_alg_list, cra_list) {
@@ -300,79 +373,34 @@ void crypto_alg_tested(const char *name, int err)
}
pr_err("alg: Unexpected test result for %s: %d\n", name, err);
- goto unlock;
+ up_write(&crypto_alg_sem);
+ return;
found:
q->cra_flags |= CRYPTO_ALG_DEAD;
alg = test->adult;
- if (err || list_empty(&alg->cra_list))
- goto complete;
-
- alg->cra_flags |= CRYPTO_ALG_TESTED;
-
- /* Only satisfy larval waiters if we are the best. */
- best = true;
- list_for_each_entry(q, &crypto_alg_list, cra_list) {
- if (crypto_is_moribund(q) || !crypto_is_larval(q))
- continue;
-
- if (strcmp(alg->cra_name, q->cra_name))
- continue;
-
- if (q->cra_priority > alg->cra_priority) {
- best = false;
- break;
- }
- }
-
- list_for_each_entry(q, &crypto_alg_list, cra_list) {
- if (q == alg)
- continue;
-
- if (crypto_is_moribund(q))
- continue;
-
- if (crypto_is_larval(q)) {
- struct crypto_larval *larval = (void *)q;
- /*
- * Check to see if either our generic name or
- * specific name can satisfy the name requested
- * by the larval entry q.
- */
- if (strcmp(alg->cra_name, q->cra_name) &&
- strcmp(alg->cra_driver_name, q->cra_name))
- continue;
-
- if (larval->adult)
- continue;
- if ((q->cra_flags ^ alg->cra_flags) & larval->mask)
- continue;
-
- if (best && crypto_mod_get(alg))
- larval->adult = alg;
- else
- larval->adult = ERR_PTR(-EAGAIN);
-
- continue;
- }
+ if (crypto_is_dead(alg))
+ goto complete;
- if (strcmp(alg->cra_name, q->cra_name))
- continue;
+ if (err == -ECANCELED)
+ alg->cra_flags |= CRYPTO_ALG_FIPS_INTERNAL;
+ else if (err)
+ goto complete;
+ else
+ alg->cra_flags &= ~CRYPTO_ALG_FIPS_INTERNAL;
- if (strcmp(alg->cra_driver_name, q->cra_driver_name) &&
- q->cra_priority > alg->cra_priority)
- continue;
+ alg->cra_flags |= CRYPTO_ALG_TESTED;
- crypto_remove_spawns(q, &list, alg);
- }
+ crypto_alg_finish_registration(alg, &list);
complete:
+ list_del_init(&test->alg.cra_list);
complete_all(&test->completion);
-unlock:
up_write(&crypto_alg_sem);
+ crypto_alg_put(&test->alg);
crypto_remove_final(&list);
}
EXPORT_SYMBOL_GPL(crypto_alg_tested);
@@ -389,29 +417,20 @@ void crypto_remove_final(struct list_head *list)
}
EXPORT_SYMBOL_GPL(crypto_remove_final);
-static void crypto_wait_for_test(struct crypto_larval *larval)
+static void crypto_free_alg(struct crypto_alg *alg)
{
- int err;
+ unsigned int algsize = alg->cra_type->algsize;
+ u8 *p = (u8 *)alg - algsize;
- err = crypto_probing_notify(CRYPTO_MSG_ALG_REGISTER, larval->adult);
- if (err != NOTIFY_STOP) {
- if (WARN_ON(err != NOTIFY_DONE))
- goto out;
- crypto_alg_tested(larval->alg.cra_driver_name, 0);
- }
-
- err = wait_for_completion_killable(&larval->completion);
- WARN_ON(err);
- if (!err)
- crypto_notify(CRYPTO_MSG_ALG_LOADED, larval);
-
-out:
- crypto_larval_kill(&larval->alg);
+ crypto_destroy_alg(alg);
+ kfree(p);
}
int crypto_register_alg(struct crypto_alg *alg)
{
struct crypto_larval *larval;
+ bool test_started = false;
+ LIST_HEAD(algs_to_put);
int err;
alg->cra_flags &= ~CRYPTO_ALG_DEAD;
@@ -419,14 +438,37 @@ int crypto_register_alg(struct crypto_alg *alg)
if (err)
return err;
+ if (alg->cra_flags & CRYPTO_ALG_DUP_FIRST &&
+ !WARN_ON_ONCE(alg->cra_destroy)) {
+ unsigned int algsize = alg->cra_type->algsize;
+ u8 *p = (u8 *)alg - algsize;
+
+ p = kmemdup(p, algsize + sizeof(*alg), GFP_KERNEL);
+ if (!p)
+ return -ENOMEM;
+
+ alg = (void *)(p + algsize);
+ alg->cra_destroy = crypto_free_alg;
+ }
+
down_write(&crypto_alg_sem);
- larval = __crypto_register_alg(alg);
+ larval = __crypto_register_alg(alg, &algs_to_put);
+ if (!IS_ERR_OR_NULL(larval)) {
+ test_started = crypto_boot_test_finished();
+ larval->test_started = test_started;
+ }
up_write(&crypto_alg_sem);
- if (IS_ERR(larval))
+ if (IS_ERR(larval)) {
+ crypto_alg_put(alg);
return PTR_ERR(larval);
+ }
+
+ if (test_started)
+ crypto_schedule_test(larval);
+ else
+ crypto_remove_final(&algs_to_put);
- crypto_wait_for_test(larval);
return 0;
}
EXPORT_SYMBOL_GPL(crypto_register_alg);
@@ -456,10 +498,9 @@ void crypto_unregister_alg(struct crypto_alg *alg)
if (WARN(ret, "Algorithm %s is not registered", alg->cra_driver_name))
return;
- BUG_ON(refcount_read(&alg->cra_refcnt) != 1);
- if (alg->cra_destroy)
- alg->cra_destroy(alg);
+ WARN_ON(!alg->cra_destroy && refcount_read(&alg->cra_refcnt) != 1);
+ list_add(&alg->cra_list, &list);
crypto_remove_final(&list);
}
EXPORT_SYMBOL_GPL(crypto_unregister_alg);
@@ -498,6 +539,8 @@ int crypto_register_template(struct crypto_template *tmpl)
struct crypto_template *q;
int err = -EEXIST;
+ INIT_WORK(&tmpl->free_work, crypto_destroy_instance_workfn);
+
down_write(&crypto_alg_sem);
crypto_check_module_sig(tmpl->module);
@@ -559,6 +602,8 @@ void crypto_unregister_template(struct crypto_template *tmpl)
crypto_free_instance(inst);
}
crypto_remove_final(&users);
+
+ flush_work(&tmpl->free_work);
}
EXPORT_SYMBOL_GPL(crypto_unregister_template);
@@ -602,6 +647,8 @@ int crypto_register_instance(struct crypto_template *tmpl,
{
struct crypto_larval *larval;
struct crypto_spawn *spawn;
+ u32 fips_internal = 0;
+ LIST_HEAD(algs_to_put);
int err;
err = crypto_check_alg(&inst->alg);
@@ -610,6 +657,7 @@ int crypto_register_instance(struct crypto_template *tmpl,
inst->alg.cra_module = tmpl->module;
inst->alg.cra_flags |= CRYPTO_ALG_INSTANCE;
+ inst->alg.cra_destroy = crypto_destroy_instance;
down_write(&crypto_alg_sem);
@@ -624,14 +672,20 @@ int crypto_register_instance(struct crypto_template *tmpl,
spawn->inst = inst;
spawn->registered = true;
+ fips_internal |= spawn->alg->cra_flags;
+
crypto_mod_put(spawn->alg);
spawn = next;
}
- larval = __crypto_register_alg(&inst->alg);
+ inst->alg.cra_flags |= (fips_internal & CRYPTO_ALG_FIPS_INTERNAL);
+
+ larval = __crypto_register_alg(&inst->alg, &algs_to_put);
if (IS_ERR(larval))
goto unlock;
+ else if (larval)
+ larval->test_started = true;
hlist_add_head(&inst->list, &tmpl->instances);
inst->tmpl = tmpl;
@@ -639,15 +693,15 @@ int crypto_register_instance(struct crypto_template *tmpl,
unlock:
up_write(&crypto_alg_sem);
- err = PTR_ERR(larval);
if (IS_ERR(larval))
- goto err;
+ return PTR_ERR(larval);
- crypto_wait_for_test(larval);
- err = 0;
+ if (larval)
+ crypto_schedule_test(larval);
+ else
+ crypto_remove_final(&algs_to_put);
-err:
- return err;
+ return 0;
}
EXPORT_SYMBOL_GPL(crypto_register_instance);
@@ -679,7 +733,8 @@ int crypto_grab_spawn(struct crypto_spawn *spawn, struct crypto_instance *inst,
if (IS_ERR(name))
return PTR_ERR(name);
- alg = crypto_find_alg(name, spawn->frontend, type, mask);
+ alg = crypto_find_alg(name, spawn->frontend,
+ type | CRYPTO_ALG_FIPS_INTERNAL, mask);
if (IS_ERR(alg))
return PTR_ERR(alg);
@@ -690,6 +745,8 @@ int crypto_grab_spawn(struct crypto_spawn *spawn, struct crypto_instance *inst,
spawn->mask = mask;
spawn->next = inst->spawns;
inst->spawns = spawn;
+ inst->alg.cra_flags |=
+ (alg->cra_flags & CRYPTO_ALG_INHERITED_FLAGS);
err = 0;
}
up_write(&crypto_alg_sem);
@@ -816,7 +873,23 @@ struct crypto_attr_type *crypto_get_attr_type(struct rtattr **tb)
}
EXPORT_SYMBOL_GPL(crypto_get_attr_type);
-int crypto_check_attr_type(struct rtattr **tb, u32 type)
+/**
+ * crypto_check_attr_type() - check algorithm type and compute inherited mask
+ * @tb: the template parameters
+ * @type: the algorithm type the template would be instantiated as
+ * @mask_ret: (output) the mask that should be passed to crypto_grab_*()
+ * to restrict the flags of any inner algorithms
+ *
+ * Validate that the algorithm type the user requested is compatible with the
+ * one the template would actually be instantiated as. E.g., if the user is
+ * doing crypto_alloc_shash("cbc(aes)", ...), this would return an error because
+ * the "cbc" template creates an "skcipher" algorithm, not an "shash" algorithm.
+ *
+ * Also compute the mask to use to restrict the flags of any inner algorithms.
+ *
+ * Return: 0 on success; -errno on failure
+ */
+int crypto_check_attr_type(struct rtattr **tb, u32 type, u32 *mask_ret)
{
struct crypto_attr_type *algt;
@@ -827,6 +900,7 @@ int crypto_check_attr_type(struct rtattr **tb, u32 type)
if ((algt->type ^ type) & algt->mask)
return -EINVAL;
+ *mask_ret = crypto_algt_inherited_mask(algt);
return 0;
}
EXPORT_SYMBOL_GPL(crypto_check_attr_type);
@@ -849,38 +923,20 @@ const char *crypto_attr_alg_name(struct rtattr *rta)
}
EXPORT_SYMBOL_GPL(crypto_attr_alg_name);
-int crypto_attr_u32(struct rtattr *rta, u32 *num)
-{
- struct crypto_attr_u32 *nu32;
-
- if (!rta)
- return -ENOENT;
- if (RTA_PAYLOAD(rta) < sizeof(*nu32))
- return -EINVAL;
- if (rta->rta_type != CRYPTOA_U32)
- return -EINVAL;
-
- nu32 = RTA_DATA(rta);
- *num = nu32->num;
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(crypto_attr_u32);
-
-int crypto_inst_setname(struct crypto_instance *inst, const char *name,
- struct crypto_alg *alg)
+int __crypto_inst_setname(struct crypto_instance *inst, const char *name,
+ const char *driver, struct crypto_alg *alg)
{
if (snprintf(inst->alg.cra_name, CRYPTO_MAX_ALG_NAME, "%s(%s)", name,
alg->cra_name) >= CRYPTO_MAX_ALG_NAME)
return -ENAMETOOLONG;
if (snprintf(inst->alg.cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s(%s)",
- name, alg->cra_driver_name) >= CRYPTO_MAX_ALG_NAME)
+ driver, alg->cra_driver_name) >= CRYPTO_MAX_ALG_NAME)
return -ENAMETOOLONG;
return 0;
}
-EXPORT_SYMBOL_GPL(crypto_inst_setname);
+EXPORT_SYMBOL_GPL(__crypto_inst_setname);
void crypto_init_queue(struct crypto_queue *queue, unsigned int max_qlen)
{
@@ -917,6 +973,9 @@ EXPORT_SYMBOL_GPL(crypto_enqueue_request);
void crypto_enqueue_request_head(struct crypto_queue *queue,
struct crypto_async_request *request)
{
+ if (unlikely(queue->qlen >= queue->max_qlen))
+ queue->backlog = queue->backlog->prev;
+
queue->qlen++;
list_add(&request->list, &queue->list);
}
@@ -935,7 +994,7 @@ struct crypto_async_request *crypto_dequeue_request(struct crypto_queue *queue)
queue->backlog = queue->backlog->next;
request = queue->list.next;
- list_del(request);
+ list_del_init(request);
return list_entry(request, struct crypto_async_request, list);
}
@@ -972,59 +1031,6 @@ void crypto_inc(u8 *a, unsigned int size)
}
EXPORT_SYMBOL_GPL(crypto_inc);
-void __crypto_xor(u8 *dst, const u8 *src1, const u8 *src2, unsigned int len)
-{
- int relalign = 0;
-
- if (!IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)) {
- int size = sizeof(unsigned long);
- int d = (((unsigned long)dst ^ (unsigned long)src1) |
- ((unsigned long)dst ^ (unsigned long)src2)) &
- (size - 1);
-
- relalign = d ? 1 << __ffs(d) : size;
-
- /*
- * If we care about alignment, process as many bytes as
- * needed to advance dst and src to values whose alignments
- * equal their relative alignment. This will allow us to
- * process the remainder of the input using optimal strides.
- */
- while (((unsigned long)dst & (relalign - 1)) && len > 0) {
- *dst++ = *src1++ ^ *src2++;
- len--;
- }
- }
-
- while (IS_ENABLED(CONFIG_64BIT) && len >= 8 && !(relalign & 7)) {
- *(u64 *)dst = *(u64 *)src1 ^ *(u64 *)src2;
- dst += 8;
- src1 += 8;
- src2 += 8;
- len -= 8;
- }
-
- while (len >= 4 && !(relalign & 3)) {
- *(u32 *)dst = *(u32 *)src1 ^ *(u32 *)src2;
- dst += 4;
- src1 += 4;
- src2 += 4;
- len -= 4;
- }
-
- while (len >= 2 && !(relalign & 1)) {
- *(u16 *)dst = *(u16 *)src1 ^ *(u16 *)src2;
- dst += 2;
- src1 += 2;
- src2 += 2;
- len -= 2;
- }
-
- while (len--)
- *dst++ = *src1++ ^ *src2++;
-}
-EXPORT_SYMBOL_GPL(__crypto_xor);
-
unsigned int crypto_alg_extsize(struct crypto_alg *alg)
{
return alg->cra_ctxsize +
@@ -1047,222 +1053,54 @@ int crypto_type_has_alg(const char *name, const struct crypto_type *frontend,
}
EXPORT_SYMBOL_GPL(crypto_type_has_alg);
-#ifdef CONFIG_CRYPTO_STATS
-void crypto_stats_init(struct crypto_alg *alg)
-{
- memset(&alg->stats, 0, sizeof(alg->stats));
-}
-EXPORT_SYMBOL_GPL(crypto_stats_init);
-
-void crypto_stats_get(struct crypto_alg *alg)
-{
- crypto_alg_get(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_get);
-
-void crypto_stats_aead_encrypt(unsigned int cryptlen, struct crypto_alg *alg,
- int ret)
-{
- if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
- atomic64_inc(&alg->stats.aead.err_cnt);
- } else {
- atomic64_inc(&alg->stats.aead.encrypt_cnt);
- atomic64_add(cryptlen, &alg->stats.aead.encrypt_tlen);
- }
- crypto_alg_put(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_aead_encrypt);
-
-void crypto_stats_aead_decrypt(unsigned int cryptlen, struct crypto_alg *alg,
- int ret)
-{
- if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
- atomic64_inc(&alg->stats.aead.err_cnt);
- } else {
- atomic64_inc(&alg->stats.aead.decrypt_cnt);
- atomic64_add(cryptlen, &alg->stats.aead.decrypt_tlen);
- }
- crypto_alg_put(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_aead_decrypt);
-
-void crypto_stats_akcipher_encrypt(unsigned int src_len, int ret,
- struct crypto_alg *alg)
+static void __init crypto_start_tests(void)
{
- if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
- atomic64_inc(&alg->stats.akcipher.err_cnt);
- } else {
- atomic64_inc(&alg->stats.akcipher.encrypt_cnt);
- atomic64_add(src_len, &alg->stats.akcipher.encrypt_tlen);
- }
- crypto_alg_put(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_akcipher_encrypt);
+ if (!IS_BUILTIN(CONFIG_CRYPTO_ALGAPI))
+ return;
-void crypto_stats_akcipher_decrypt(unsigned int src_len, int ret,
- struct crypto_alg *alg)
-{
- if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
- atomic64_inc(&alg->stats.akcipher.err_cnt);
- } else {
- atomic64_inc(&alg->stats.akcipher.decrypt_cnt);
- atomic64_add(src_len, &alg->stats.akcipher.decrypt_tlen);
- }
- crypto_alg_put(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_akcipher_decrypt);
+ if (!IS_ENABLED(CONFIG_CRYPTO_SELFTESTS))
+ return;
-void crypto_stats_akcipher_sign(int ret, struct crypto_alg *alg)
-{
- if (ret && ret != -EINPROGRESS && ret != -EBUSY)
- atomic64_inc(&alg->stats.akcipher.err_cnt);
- else
- atomic64_inc(&alg->stats.akcipher.sign_cnt);
- crypto_alg_put(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_akcipher_sign);
+ set_crypto_boot_test_finished();
-void crypto_stats_akcipher_verify(int ret, struct crypto_alg *alg)
-{
- if (ret && ret != -EINPROGRESS && ret != -EBUSY)
- atomic64_inc(&alg->stats.akcipher.err_cnt);
- else
- atomic64_inc(&alg->stats.akcipher.verify_cnt);
- crypto_alg_put(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_akcipher_verify);
+ for (;;) {
+ struct crypto_larval *larval = NULL;
+ struct crypto_alg *q;
-void crypto_stats_compress(unsigned int slen, int ret, struct crypto_alg *alg)
-{
- if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
- atomic64_inc(&alg->stats.compress.err_cnt);
- } else {
- atomic64_inc(&alg->stats.compress.compress_cnt);
- atomic64_add(slen, &alg->stats.compress.compress_tlen);
- }
- crypto_alg_put(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_compress);
+ down_write(&crypto_alg_sem);
-void crypto_stats_decompress(unsigned int slen, int ret, struct crypto_alg *alg)
-{
- if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
- atomic64_inc(&alg->stats.compress.err_cnt);
- } else {
- atomic64_inc(&alg->stats.compress.decompress_cnt);
- atomic64_add(slen, &alg->stats.compress.decompress_tlen);
- }
- crypto_alg_put(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_decompress);
+ list_for_each_entry(q, &crypto_alg_list, cra_list) {
+ struct crypto_larval *l;
-void crypto_stats_ahash_update(unsigned int nbytes, int ret,
- struct crypto_alg *alg)
-{
- if (ret && ret != -EINPROGRESS && ret != -EBUSY)
- atomic64_inc(&alg->stats.hash.err_cnt);
- else
- atomic64_add(nbytes, &alg->stats.hash.hash_tlen);
- crypto_alg_put(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_ahash_update);
-
-void crypto_stats_ahash_final(unsigned int nbytes, int ret,
- struct crypto_alg *alg)
-{
- if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
- atomic64_inc(&alg->stats.hash.err_cnt);
- } else {
- atomic64_inc(&alg->stats.hash.hash_cnt);
- atomic64_add(nbytes, &alg->stats.hash.hash_tlen);
- }
- crypto_alg_put(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_ahash_final);
+ if (!crypto_is_larval(q))
+ continue;
-void crypto_stats_kpp_set_secret(struct crypto_alg *alg, int ret)
-{
- if (ret)
- atomic64_inc(&alg->stats.kpp.err_cnt);
- else
- atomic64_inc(&alg->stats.kpp.setsecret_cnt);
- crypto_alg_put(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_kpp_set_secret);
+ l = (void *)q;
-void crypto_stats_kpp_generate_public_key(struct crypto_alg *alg, int ret)
-{
- if (ret)
- atomic64_inc(&alg->stats.kpp.err_cnt);
- else
- atomic64_inc(&alg->stats.kpp.generate_public_key_cnt);
- crypto_alg_put(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_kpp_generate_public_key);
+ if (!crypto_is_test_larval(l))
+ continue;
-void crypto_stats_kpp_compute_shared_secret(struct crypto_alg *alg, int ret)
-{
- if (ret)
- atomic64_inc(&alg->stats.kpp.err_cnt);
- else
- atomic64_inc(&alg->stats.kpp.compute_shared_secret_cnt);
- crypto_alg_put(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_kpp_compute_shared_secret);
+ if (l->test_started)
+ continue;
-void crypto_stats_rng_seed(struct crypto_alg *alg, int ret)
-{
- if (ret && ret != -EINPROGRESS && ret != -EBUSY)
- atomic64_inc(&alg->stats.rng.err_cnt);
- else
- atomic64_inc(&alg->stats.rng.seed_cnt);
- crypto_alg_put(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_rng_seed);
+ l->test_started = true;
+ larval = l;
+ break;
+ }
-void crypto_stats_rng_generate(struct crypto_alg *alg, unsigned int dlen,
- int ret)
-{
- if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
- atomic64_inc(&alg->stats.rng.err_cnt);
- } else {
- atomic64_inc(&alg->stats.rng.generate_cnt);
- atomic64_add(dlen, &alg->stats.rng.generate_tlen);
- }
- crypto_alg_put(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_rng_generate);
+ up_write(&crypto_alg_sem);
-void crypto_stats_skcipher_encrypt(unsigned int cryptlen, int ret,
- struct crypto_alg *alg)
-{
- if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
- atomic64_inc(&alg->stats.cipher.err_cnt);
- } else {
- atomic64_inc(&alg->stats.cipher.encrypt_cnt);
- atomic64_add(cryptlen, &alg->stats.cipher.encrypt_tlen);
- }
- crypto_alg_put(alg);
-}
-EXPORT_SYMBOL_GPL(crypto_stats_skcipher_encrypt);
+ if (!larval)
+ break;
-void crypto_stats_skcipher_decrypt(unsigned int cryptlen, int ret,
- struct crypto_alg *alg)
-{
- if (ret && ret != -EINPROGRESS && ret != -EBUSY) {
- atomic64_inc(&alg->stats.cipher.err_cnt);
- } else {
- atomic64_inc(&alg->stats.cipher.decrypt_cnt);
- atomic64_add(cryptlen, &alg->stats.cipher.decrypt_tlen);
+ crypto_schedule_test(larval);
}
- crypto_alg_put(alg);
}
-EXPORT_SYMBOL_GPL(crypto_stats_skcipher_decrypt);
-#endif
static int __init crypto_algapi_init(void)
{
crypto_init_proc();
+ crypto_start_tests();
return 0;
}
@@ -1271,8 +1109,13 @@ static void __exit crypto_algapi_exit(void)
crypto_exit_proc();
}
-module_init(crypto_algapi_init);
+/*
+ * We run this at late_initcall so that all the built-in algorithms
+ * have had a chance to register themselves first.
+ */
+late_initcall(crypto_algapi_init);
module_exit(crypto_algapi_exit);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Cryptographic algorithms API");
+MODULE_SOFTDEP("pre: cryptomgr");