diff --git a/client/src/mifare/desfirecore.c b/client/src/mifare/desfirecore.c
index 05331f383..00328bef1 100644
--- a/client/src/mifare/desfirecore.c
+++ b/client/src/mifare/desfirecore.c
@@ -1688,6 +1688,26 @@ int DesfireGetFreeMem(DesfireContext *dctx, uint32_t *freemem) {
     return res;
 }
 
+int DesfireReadSignature(DesfireContext *dctx, uint8_t sid, uint8_t *resp, size_t *resplen) {
+    *resplen = 0;
+    
+    uint8_t xresp[257] = {0};
+    size_t xresplen = 0;
+    uint8_t respcode = 0xff;
+    
+    int res = DesfireExchange(dctx, MFDES_READSIG, &sid, 1, &respcode, xresp, &xresplen);
+    if (res != PM3_SUCCESS)
+        return res;
+    
+    if (respcode != 0x90)
+        return PM3_EAPDU_FAIL;
+    
+    memcpy(resp, xresp, xresplen);
+    *resplen = xresplen;
+
+    return PM3_SUCCESS;
+}
+
 int DesfireGetUID(DesfireContext *dctx, uint8_t *resp, size_t *resplen) {
     return DesfireCommandRxData(dctx, MFDES_GET_UID, resp, resplen, -1);
 }
diff --git a/client/src/mifare/desfirecore.h b/client/src/mifare/desfirecore.h
index 2100a521a..4d53e96f2 100644
--- a/client/src/mifare/desfirecore.h
+++ b/client/src/mifare/desfirecore.h
@@ -153,6 +153,8 @@ void DesfirePrintContext(DesfireContext *ctx);
 int DesfireExchange(DesfireContext *ctx, uint8_t cmd, uint8_t *data, size_t datalen, uint8_t *respcode, uint8_t *resp, size_t *resplen);
 int DesfireExchangeEx(bool activate_field, DesfireContext *ctx, uint8_t cmd, uint8_t *data, size_t datalen, uint8_t *respcode, uint8_t *resp, size_t *resplen, bool enable_chaining, size_t splitbysize);
 
+int DesfireReadSignature(DesfireContext *dctx, uint8_t sid, uint8_t *resp, size_t *resplen);
+
 int DesfireSelectAID(DesfireContext *ctx, uint8_t *aid1, uint8_t *aid2);
 int DesfireSelectAIDHex(DesfireContext *ctx, uint32_t aid1, bool select_two, uint32_t aid2);
 int DesfireSelectAIDHexNoFieldOn(DesfireContext *ctx, uint32_t aid);