I just merged @marshmellow's branch "iclass" and that was a lot of new functionality...

[proxmark3-svn] / client / cmdhfmf.c

diff --git a/client/cmdhfmf.c b/client/cmdhfmf.c
index 76fd1b7ec22657fa66d70b7cabf36887ff50e6a6..ab7d913e1fdb39e3560d0277d9f797451cbc2c27 100644 (file)
--- a/client/cmdhfmf.c
+++ b/client/cmdhfmf.c
@@ -1230,8 +1230,8 @@ int CmdHF14AMfELoad(const char *Cmd)
                case '\0': numBlocks = 16*4; break;\r
                case '2' : numBlocks = 32*4; break;\r
                case '4' : numBlocks = 256; break;\r
-               case 'U' : // fall through\r
-               case 'u' : numBlocks = 255; blockWidth = 8; break;\r
+               case 'U' : // fall through  ,  NTAG 215 has 135blocks a 540 bytes.\r
+               case 'u' : numBlocks = 135; blockWidth = 8; break;\r
                default:  {\r
                        numBlocks = 16*4;\r
                        nameParamNo = 0;\r
@@ -1980,6 +1980,13 @@ int CmdHF14AMfSniff(const char *Cmd){
        return 0;\r
 }\r
 \r
+//needs nt, ar, at, Data to decrypt\r
+int CmdDecryptTraceCmds(const char *Cmd){\r
+       uint8_t data[50];\r
+       int len = 0;\r
+       param_gethex_ex(Cmd,3,data,&len);\r
+       return tryDecryptWord(param_get32ex(Cmd,0,0,16),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16),data,len/2);\r
+}\r
 \r
 static command_t CommandTable[] =\r
 {\r
@@ -2008,6 +2015,7 @@ static command_t CommandTable[] =
   {"cgetsc",   CmdHF14AMfCGetSc,               0, "Read sector - Magic Chinese card"},\r
   {"cload",            CmdHF14AMfCLoad,                0, "Load dump into magic Chinese card"},\r
   {"csave",            CmdHF14AMfCSave,                0, "Save dump from magic Chinese card into file or emulator"},\r
+  {"decrypt",   CmdDecryptTraceCmds,    1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"},\r
   {NULL, NULL, 0, NULL}\r
 };\r
 \r