diff --git a/ecdaa_issuer b/ecdaa_issuer
index ac835e2..cf1d8d5 100755
Binary files a/ecdaa_issuer and b/ecdaa_issuer differ
diff --git a/ecdaa_member b/ecdaa_member
index 5932b66..05ce250 100755
Binary files a/ecdaa_member and b/ecdaa_member differ
diff --git a/ecdaa_member_tpm b/ecdaa_member_tpm
index dc4e196..d61edb8 100755
Binary files a/ecdaa_member_tpm and b/ecdaa_member_tpm differ
diff --git a/ecdaa_test b/ecdaa_test
index 31180c6..ccb8710 100755
Binary files a/ecdaa_test and b/ecdaa_test differ
diff --git a/ecdaa_test_tpm b/ecdaa_test_tpm
index 7a566a7..a29e691 100755
Binary files a/ecdaa_test_tpm and b/ecdaa_test_tpm differ
diff --git a/ecdaa_verifier b/ecdaa_verifier
index 672d031..e48eb5d 100755
Binary files a/ecdaa_verifier and b/ecdaa_verifier differ
diff --git a/issuer.c b/issuer.c
index 974c8eb..0d56a45 100644
--- a/issuer.c
+++ b/issuer.c
@@ -77,6 +77,8 @@ int process_issuer(char *buffer) {
             case JOINPROCEED:
                 printf("aborting join\n");
                 issuer.state = READY;
+                bzero(buffer, MAX_BUFSIZE);
+                strncpy(buffer, "OK\n", 3);
                 break;
             default:
                 printf("nothing to abort\n");
@@ -92,6 +94,8 @@ int process_issuer(char *buffer) {
                 printf("generate new issuer identity\n");
                 if (0 == issuer_setup(buffer)) {
                     issuer.state = READY;
+                    bzero(buffer, MAX_BUFSIZE);
+                    strncpy(buffer, "OK\n", 3);
                 } else {
                     printf("issuer setup failed\n");
                     return 2;
diff --git a/member.c b/member.c
index b12a9b0..1adfae3 100644
--- a/member.c
+++ b/member.c
@@ -149,7 +149,7 @@ int member_join(char *buffer) {
             ret = -1;
     }
     if (0 <= ret) {
-        printf("ISSUER < MEMBER: %s", buffer);
+        printf("ISSUER < MEMBER: %s\n", buffer);
     }
     return ret;
 }