crypto: af_alg - add user space interface for AEAD

[linux-drm-fsl-dcu.git] / crypto / af_alg.c

diff --git a/crypto/af_alg.c b/crypto/af_alg.c
index 6a3ad801158531435848a40936a9bd74a7a522e6..68ff1137dd70059e893a08a1f8f57099bff337e4 100644 (file)
--- a/crypto/af_alg.c
+++ b/crypto/af_alg.c
@@ -421,6 +421,12 @@ int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con)
                        con->op = *(u32 *)CMSG_DATA(cmsg);
                        break;
 
+               case ALG_SET_AEAD_ASSOCLEN:
+                       if (cmsg->cmsg_len < CMSG_LEN(sizeof(u32)))
+                               return -EINVAL;
+                       con->aead_assoclen = *(u32 *)CMSG_DATA(cmsg);
+                       break;
+
                default:
                        return -EINVAL;
                }