github/proxmark3
1
0
Fork 0
mirror of https://github.com/Proxmark/proxmark3.git synced 2025-08-20 13:23:25 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

Add mifare crypto trace decryption utility

Browse source 
allows manual decryption of hf 14a snoop traces of a mf card.
someday we should fix hf mf sniff...
This commit is contained in:
marshmellow42 2015-10-07 00:24:55 -04:00
commit 1a5a73abae
5 changed files with 51 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

8
client/cmdhfmf.c
View file

@ -1949,6 +1949,13 @@ int CmdHF14AMfSniff(const char *Cmd){
return 0;
}
//needs nt, ar, at, Data to decrypt
int CmdDecryptTraceCmds(const char *Cmd){
uint8_t data[50];
int len = 0;
param_gethex_ex(Cmd,3,data,&len);
return tryDecryptWord(param_get32ex(Cmd,0,0,16),param_get32ex(Cmd,1,0,16),param_get32ex(Cmd,2,0,16),data,len/2);
}
static command_t CommandTable[] =
{
@ -1977,6 +1984,7 @@ static command_t CommandTable[] =
{"cgetsc", CmdHF14AMfCGetSc, 0, "Read sector - Magic Chinese card"},
{"cload", CmdHF14AMfCLoad, 0, "Load dump into magic Chinese card"},
{"csave", CmdHF14AMfCSave, 0, "Save dump from magic Chinese card into file or emulator"},
{"decrypt", CmdDecryptTraceCmds,1, "[nt] [ar_enc] [at_enc] [data] - to decrypt snoop or trace"},
{NULL, NULL, 0, NULL}
};