ADD: 'hf 14a read' - detection if found Mifare Classic tag has a weak or hardend PRNG. Thanks to @doegox for implementing it in nfc-tools/mfoc Its a beauty :)

client/mifarehost.h

@@ -25,6 +25,7 @@
 #include "nonce2key/crapto1.h"
 #include "iso14443crc.h"
 #include "protocols.h"
+#include "mifare.h"
 
 #define NESTED_SECTOR_RETRY     10
 
@@ -84,4 +85,6 @@ int isBlockTrailer(int blockN);
 int loadTraceCard(uint8_t *tuid, uint8_t uidlen);
 int saveTraceCard(void);
 int tryDecryptWord(uint32_t nt, uint32_t ar_enc, uint32_t at_enc, uint8_t *data, int len);
+
+extern bool detect_classic_prng();
 #endif