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-rw-r--r--crypto/akcipher.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/crypto/akcipher.c b/crypto/akcipher.c
index 0cbeae137e0a..780daa436dac 100644
--- a/crypto/akcipher.c
+++ b/crypto/akcipher.c
@@ -119,10 +119,24 @@ static void akcipher_prepare_alg(struct akcipher_alg *alg)
base->cra_flags |= CRYPTO_ALG_TYPE_AKCIPHER;
}
+static int akcipher_default_op(struct akcipher_request *req)
+{
+ return -ENOSYS;
+}
+
int crypto_register_akcipher(struct akcipher_alg *alg)
{
struct crypto_alg *base = &alg->base;
+ if (!alg->sign)
+ alg->sign = akcipher_default_op;
+ if (!alg->verify)
+ alg->verify = akcipher_default_op;
+ if (!alg->encrypt)
+ alg->encrypt = akcipher_default_op;
+ if (!alg->decrypt)
+ alg->decrypt = akcipher_default_op;
+
akcipher_prepare_alg(alg);
return crypto_register_alg(base);
}