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-rw-r--r--crypto/shash.c36
-rw-r--r--include/crypto/internal/hash.h2
2 files changed, 38 insertions, 0 deletions
diff --git a/crypto/shash.c b/crypto/shash.c
index 32067f47e6c7..f426330f1017 100644
--- a/crypto/shash.c
+++ b/crypto/shash.c
@@ -629,6 +629,42 @@ int crypto_unregister_shash(struct shash_alg *alg)
}
EXPORT_SYMBOL_GPL(crypto_unregister_shash);
+int crypto_register_shashes(struct shash_alg *algs, int count)
+{
+ int i, ret;
+
+ for (i = 0; i < count; i++) {
+ ret = crypto_register_shash(&algs[i]);
+ if (ret)
+ goto err;
+ }
+
+ return 0;
+
+err:
+ for (--i; i >= 0; --i)
+ crypto_unregister_shash(&algs[i]);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(crypto_register_shashes);
+
+int crypto_unregister_shashes(struct shash_alg *algs, int count)
+{
+ int i, ret;
+
+ for (i = count - 1; i >= 0; --i) {
+ ret = crypto_unregister_shash(&algs[i]);
+ if (ret)
+ pr_err("Failed to unregister %s %s: %d\n",
+ algs[i].base.cra_driver_name,
+ algs[i].base.cra_name, ret);
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(crypto_unregister_shashes);
+
int shash_register_instance(struct crypto_template *tmpl,
struct shash_instance *inst)
{
diff --git a/include/crypto/internal/hash.h b/include/crypto/internal/hash.h
index 5bfad8c80595..821eae8cbd8c 100644
--- a/include/crypto/internal/hash.h
+++ b/include/crypto/internal/hash.h
@@ -83,6 +83,8 @@ struct hash_alg_common *ahash_attr_alg(struct rtattr *rta, u32 type, u32 mask);
int crypto_register_shash(struct shash_alg *alg);
int crypto_unregister_shash(struct shash_alg *alg);
+int crypto_register_shashes(struct shash_alg *algs, int count);
+int crypto_unregister_shashes(struct shash_alg *algs, int count);
int shash_register_instance(struct crypto_template *tmpl,
struct shash_instance *inst);
void shash_free_instance(struct crypto_instance *inst);