added encoding for basename

common.h

@@ -18,7 +18,7 @@
 #define NONCE_SIZE 64
 #define MAX_MSGSIZE 15000
 #define MAX_CHKSUMSIZE 1024
-#define MAX_BUFSIZE (((MAX_MSGSIZE + 2) / 3) * 4) + (((MAX_CHKSUMSIZE + 2) / 3) * 4) + 2048 
+#define MAX_BUFSIZE (((MAX_MSGSIZE + 2) / 3) * 4) + (((MAX_CHKSUMSIZE + 2) / 3) * 4) + 1536 
 /* #define MAX_MSGSIZE ((MAX_BUFSIZE - 1536) / 2) - MAX_CHKSUMSIZE //for bin to hex*/
 /* #define MAX_MSGSIZE ((MAX_BUFSIZE - 1536) / 4 * 3) - MAX_CHKSUMSIZE //for base64 */
 

member-tpm.c

@@ -207,8 +207,8 @@ int member_signmsg(char *buffer) {
         }
         current[0] = '1';
         current = &current[1];
-        strncpy(current, (char *)member.bsn, MAX_BSNSIZE);
+	bytes = ecdaa_encode(member.bsn, current, MAX_BSNSIZE);
-        current = &current[MAX_BSNSIZE];
+        current = &current[bytes];
     } else {
         if (0 != ecdaa_signature_TPM_FP256BN_sign(&sig, chksum, chksum_len, NULL, 0, &member.cred, ecdaa_rand, &(ctx.tpm_ctx))) {
             printf("member_signmsg: Signing message failed.\n");
@@ -220,14 +220,15 @@ int member_signmsg(char *buffer) {
     bzero(binbuf, MAX_BUFSIZE);
     ecdaa_signature_FP256BN_serialize(binbuf, &sig, has_nym);
     bytes = ecdaa_encode(binbuf, current, sig_len);
+    current[bytes] = '\n';
 #ifdef DEBUG
+    printf("%s",buffer);
     printf("member_signmsg: has_nym: %u, sig_len: %lu\n",has_nym, sig_len);
     printf("member_signmsg: msg: %s, len: %lu\n", msg, msg_len);
     printf("member_signmsg: chksum: %s, len: %lu\n", chksum, chksum_len);
     printf("member_signmsg: bsn: %s, len: %lu\n", (char *)member.bsn, strlen((char *)member.bsn));
     printf("member_signmsg: sig: %s, len: %lu\n", current, sig_len);
 #endif
-    current[bytes] = '\n';
     tpm_cleanup(&ctx);
     return 2; //send to verifier before closing
 }

member.c

@@ -192,8 +192,8 @@ int member_signmsg(char *buffer) {
         }
         current[0] = '1';
         current = &current[1];
-        strncpy(current, (char *)member.bsn, MAX_BSNSIZE);
+	bytes = ecdaa_encode(member.bsn, current, MAX_BSNSIZE);
-        current = &current[MAX_BSNSIZE];
+        current = &current[bytes];
     } else {
         if (0 != ecdaa_signature_FP256BN_sign(&sig, chksum, chksum_len, NULL, 0, &member.msk, &member.cred, ecdaa_rand)) {
             printf("member_signmsg: Signing message failed.\n");

verifier.c

@@ -182,6 +182,8 @@ int verifier_verifymsg(char *buffer) {
 #ifdef DEBUG
 	printf("verifier_verifymsg: nym detected, signature length = %ld.\n",sig_len);
 #endif
+	ecdaa_decode(current, bsn, MAX_BSNSIZE);
+	bsn_len = strlen(bsn);
     } else {
 	sig_len = ecdaa_signature_FP256BN_length(); 
     }