diff --git a/iguana/iguana777.h b/iguana/iguana777.h
index 8c709276c..1c116b6d0 100755
--- a/iguana/iguana777.h
+++ b/iguana/iguana777.h
@@ -726,6 +726,9 @@ int32_t iguana_rwmsgtx(struct iguana_info *coin,int32_t rwflag,cJSON *json,uint8
 int32_t iguana_ramtxbytes(struct iguana_info *coin,uint8_t *serialized,int32_t maxlen,bits256 *txidp,struct iguana_txid *tx,int32_t height,struct iguana_msgvin *vins,struct iguana_msgvout *vouts);
 cJSON *bitcoin_txtest(struct iguana_info *coin,char *rawtxstr,bits256 txid);
 cJSON *iguana_blockjson(struct iguana_info *coin,struct iguana_block *block,int32_t txidsflag);
+int32_t iguana_sig(uint8_t *sig,int32_t maxsize,uint8_t *data,int32_t datalen,bits256 privkey);
+int32_t iguana_ver(uint8_t *sig,int32_t maxsize,uint8_t *data,int32_t datalen,bits256 pubkey);
+
 
 extern queue_t bundlesQ;
 
diff --git a/iguana/iguana_pubkeys.c b/iguana/iguana_pubkeys.c
index b4c1b8a2a..d3986bbff 100755
--- a/iguana/iguana_pubkeys.c
+++ b/iguana/iguana_pubkeys.c
@@ -806,6 +806,33 @@ struct iguana_waddress *iguana_waddresscalc(uint8_t pubtype,uint8_t wiftype,stru
     return(0);
 }
 
+int32_t iguana_ver(uint8_t *sig,int32_t siglen,uint8_t *data,int32_t datalen,bits256 pubkey)
+{
+    struct bp_key key;
+    if ( bp_key_init(&key) != 0 && bp_pubkey_set(&key,pubkey.bytes,sizeof(pubkey)) != 0 )
+    {
+        if ( bp_verify(key.k,data,datalen,sig,siglen) != 0 )
+            return(0);
+    }
+    return(-1);
+}
+
+int32_t iguana_sig(uint8_t *sig,int32_t maxsize,uint8_t *data,int32_t datalen,bits256 privkey)
+{
+    struct bp_key key; void *sigptr = NULL; size_t siglen = 0;
+    if ( bp_key_init(&key) != 0 && bp_key_secret_set(&key,privkey.bytes,sizeof(privkey)) != 0 )
+    {
+        if ( bp_sign(key.k,data,datalen,&sigptr,&siglen) != 0 )
+        {
+            if ( siglen < maxsize && sigptr != 0 )
+            {
+                memcpy(sig,sigptr,siglen);
+                return((int32_t)siglen);
+            } else free(sigptr);
+        }
+    }
+    return(-1);
+}
 /*char *iguana_txsign(struct iguana_info *coin,struct cointx_info *refT,int32_t redeemi,char *redeemscript,char sigs[][256],int32_t n,uint8_t privkey[32],int32_t privkeyind)
 {
     char hexstr[16384]; bits256 hash2; uint8_t data[4096],sigbuf[512]; struct bp_key key;
@@ -1177,3 +1204,19 @@ cJSON *iguana_pubkeyjson(struct iguana_info *coin,char *pubkeystr)
     cJSON *json = cJSON_CreateObject();
     return(json);
 }
+
+void pktest()
+{
+    bits256 p; uint8_t privkey,*pubkey,sig[128]; struct bp_key key; size_t pk_len,pubk_len; int32_t siglen;
+    bp_key_init(&key);
+    bp_key_generate(&key);
+    OS_randombytes(p.bytes,sizeof(privkey));
+    bp_privkey_set(&key,p.bytes,sizeof(privkey));
+    //bp_privkey_get(&key,(void **)&privkey,&pk_len);
+    bp_pubkey_get(&key,(void **)&pubkey,&pubk_len);
+    printf("pk_len.%ld\n",pubk_len);
+
+    siglen = iguana_sig(sig,sizeof(sig),(uint8_t *)"hello",(int32_t)strlen("hello"),p);
+    printf("siglen.%d\n",siglen);
+    //iguana_ver(uint8_t *sig,int32_t siglen,uint8_t *data,int32_t datalen,bits256 pubkey)
+}
diff --git a/iguana/main.c b/iguana/main.c
index 2a380fc64..32c34414d 100644
--- a/iguana/main.c
+++ b/iguana/main.c
@@ -310,7 +310,8 @@ void iguana_main(void *arg)
     if ( ismainnet != 0 )
         strcat(myinfo->NXTAPIURL,"7876/nxt");
     else strcat(myinfo->NXTAPIURL,"6876/nxt");
-
+    void pktest();
+    pktest();
     signal(SIGINT,sigint_func);
     signal(SIGILL,sigillegal_func);
     signal(SIGHUP,sighangup_func);
diff --git a/iguana/manifest.json b/iguana/manifest.json
index 93f1ed64b..2c5cf921f 100755
--- a/iguana/manifest.json
+++ b/iguana/manifest.json
@@ -1,25 +1,17 @@
 {
-    "app": {
-        "background": {
-            "scripts": ["js/background.js"]
-        }
-    },
+    "name": "iguana",
+    "uri": "iguana.pexe",
+    "short_name": "iguana",
+    "version": "44.1.2",
     "manifest_version": 2,
-    "name": "Iguana",
-    "version": "0.0.1",
-    "icons": {
-        "128": "icon128.png"
-    },
-    "minimum_chrome_version": "36",
-    "sockets": {
-        "tcp": {
-            "connect": "*"
-        },
-        "tcpServer": {
-            "listen": "*"
-        }
-    },
-    "permissions": [
-                    "storage"
-                    ]
+    "description": "iguana",
+    "offline_enabled": true,
+    "icons": { "128": "icon128.png" },
+    "app":
+    {
+        "name": "iguana",
+        "background": { "scripts": ["background.js"] },
+        "sockets": { "tcp": { "connect": "" }, "tcpServer": { "listen": "127.0.0.1:*" } },
+        "permissions": [ "unlimitedStorage", "filesystem", "storage", "system.storage", "system.display", "system.network","system.cpu" ]
+    }
 }