From 62c7eeacfd64c893585ff195ef506ba499e9cf07 Mon Sep 17 00:00:00 2001
From: Michael Preisach <michael.preisach@ins.jku.at>
Date: Thu, 16 Sep 2021 14:00:14 +0000
Subject: [PATCH] adding debug messages to verifier

---
 member-tpm.c | 4 ++--
 verifier.c   | 9 +++++++++
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/member-tpm.c b/member-tpm.c
index 6b146aa..4f1e2e6 100644
--- a/member-tpm.c
+++ b/member-tpm.c
@@ -41,8 +41,8 @@ int main(int argc, char *argv[]) {
     char *remote_ip;
     int ret = 0;
 
-    //strncpy(member.bsn, "mybasename", 10);
-    //member.bsn_len = strlen(member.bsn);
+    strncpy(member.bsn, "mybasename", 10);
+    member.bsn_len = strlen(member.bsn);
     switch(argc) {
 	case 2:
             if(0 == strncasecmp("--createkey", argv[1], 11) || 0 == strncasecmp("-c", argv[1], 2)) {
diff --git a/verifier.c b/verifier.c
index e6b002d..3ee710e 100644
--- a/verifier.c
+++ b/verifier.c
@@ -179,18 +179,27 @@ int verifier_verifymsg(char *buffer) {
 
     if (has_nym) {
 	sig_len = ecdaa_signature_FP256BN_with_nym_length(); 
+#ifdef DEBUG
+	printf("verifier_verifymsg: nym detected, signature length = %ld.\n",sig_len);
+#endif
     } else {
 	sig_len = ecdaa_signature_FP256BN_length(); 
     }
 
     bzero(binbuf, MAX_BUFSIZE);
     ecdaa_decode(current, binbuf, sig_len);
+#ifdef DEBUG
+    printf("verifier_verifymsg: Signature decoded.\n");
+#endif
 
     ret = ecdaa_signature_FP256BN_deserialize(&sig, binbuf, has_nym);
     if (0 != ret) {
         printf("verifier_verifymsg: error reading signature.\n");
         return -1;
     }
+#ifdef DEBUG
+    printf("verifier_verifymsg: Signature deserialized.\n");
+#endif
 
 #ifdef DEBUG
     printf("verifier_verifymsg: has_nym: %u, sig_len: %lu\n", has_nym, sig_len);