1 files changed, 65 insertions, 6 deletions

diff --git a/crypto/aead.c b/crypto/aead.c
index 6729e8ff68e..547491e35c6 100644
--- a/crypto/aead.c
+++ b/crypto/aead.c
@@ -21,6 +21,8 @@
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/seq_file.h>
+#include <linux/cryptouser.h>
+#include <net/netlink.h>
 
 #include "internal.h"
 
@@ -109,6 +111,34 @@ static int crypto_init_aead_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
 	return 0;
 }
 
+#ifdef CONFIG_NET
+static int crypto_aead_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+	struct crypto_report_aead raead;
+	struct aead_alg *aead = &alg->cra_aead;
+
+	strncpy(raead.type, "aead", sizeof(raead.type));
+	strncpy(raead.geniv, aead->geniv ?: "<built-in>", sizeof(raead.geniv));
+
+	raead.blocksize = alg->cra_blocksize;
+	raead.maxauthsize = aead->maxauthsize;
+	raead.ivsize = aead->ivsize;
+
+	if (nla_put(skb, CRYPTOCFGA_REPORT_AEAD,
+		    sizeof(struct crypto_report_aead), &raead))
+		goto nla_put_failure;
+	return 0;
+
+nla_put_failure:
+	return -EMSGSIZE;
+}
+#else
+static int crypto_aead_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+	return -ENOSYS;
+}
+#endif
+
 static void crypto_aead_show(struct seq_file *m, struct crypto_alg *alg)
 	__attribute__ ((unused));
 static void crypto_aead_show(struct seq_file *m, struct crypto_alg *alg)
@@ -130,6 +160,7 @@ const struct crypto_type crypto_aead_type = {
 #ifdef CONFIG_PROC_FS
 	.show = crypto_aead_show,
 #endif
+	.report = crypto_aead_report,
 };
 EXPORT_SYMBOL_GPL(crypto_aead_type);
 
@@ -165,6 +196,35 @@ static int crypto_init_nivaead_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
 	return 0;
 }
 
+#ifdef CONFIG_NET
+static int crypto_nivaead_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+	struct crypto_report_aead raead;
+	struct aead_alg *aead = &alg->cra_aead;
+
+	strncpy(raead.type, "nivaead", sizeof(raead.type));
+	strncpy(raead.geniv, aead->geniv, sizeof(raead.geniv));
+
+	raead.blocksize = alg->cra_blocksize;
+	raead.maxauthsize = aead->maxauthsize;
+	raead.ivsize = aead->ivsize;
+
+	if (nla_put(skb, CRYPTOCFGA_REPORT_AEAD,
+		    sizeof(struct crypto_report_aead), &raead))
+		goto nla_put_failure;
+	return 0;
+
+nla_put_failure:
+	return -EMSGSIZE;
+}
+#else
+static int crypto_nivaead_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+	return -ENOSYS;
+}
+#endif
+
+
 static void crypto_nivaead_show(struct seq_file *m, struct crypto_alg *alg)
 	__attribute__ ((unused));
 static void crypto_nivaead_show(struct seq_file *m, struct crypto_alg *alg)
@@ -186,6 +246,7 @@ const struct crypto_type crypto_nivaead_type = {
 #ifdef CONFIG_PROC_FS
 	.show = crypto_nivaead_show,
 #endif
+	.report = crypto_nivaead_report,
 };
 EXPORT_SYMBOL_GPL(crypto_nivaead_type);
 
@@ -220,18 +281,16 @@ struct crypto_instance *aead_geniv_alloc(struct crypto_template *tmpl,
 	int err;
 
 	algt = crypto_get_attr_type(tb);
-	err = PTR_ERR(algt);
 	if (IS_ERR(algt))
-		return ERR_PTR(err);
+		return ERR_CAST(algt);
 
 	if ((algt->type ^ (CRYPTO_ALG_TYPE_AEAD | CRYPTO_ALG_GENIV)) &
 	    algt->mask)
 		return ERR_PTR(-EINVAL);
 
 	name = crypto_attr_alg_name(tb[1]);
-	err = PTR_ERR(name);
 	if (IS_ERR(name))
-		return ERR_PTR(err);
+		return ERR_CAST(name);
 
 	inst = kzalloc(sizeof(*inst) + sizeof(*spawn), GFP_KERNEL);
 	if (!inst)
@@ -408,8 +467,7 @@ out:
 	return err;
 }
 
-static struct crypto_alg *crypto_lookup_aead(const char *name, u32 type,
-					     u32 mask)
+struct crypto_alg *crypto_lookup_aead(const char *name, u32 type, u32 mask)
 {
 	struct crypto_alg *alg;
 
@@ -441,6 +499,7 @@ static struct crypto_alg *crypto_lookup_aead(const char *name, u32 type,
 
 	return ERR_PTR(crypto_nivaead_default(alg, type, mask));
 }
+EXPORT_SYMBOL_GPL(crypto_lookup_aead);
 
 int crypto_grab_aead(struct crypto_aead_spawn *spawn, const char *name,
 		     u32 type, u32 mask)