github/RRG-Proxmark3
1
0
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-08-14 10:37:23 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

CHG: moved some TEA crypto stuff from 14b into analyse.

Browse source
This commit is contained in:
iceman1001 2016-08-07 21:08:17 +02:00
commit 16658b1ff1
4 changed files with 47 additions and 51 deletions
Download patch file Download diff file Expand all files Collapse all files

35
client/cmdanalyse.c
View file

@ -249,6 +249,40 @@ int CmdAnalyseDates(const char *Cmd){
PrintAndLog("To be implemented. Feel free to contribute!");
return 0;
}
int CmdAnalyseTEASelfTest(const char *Cmd){
uint8_t v[8], v_le[8];
memset(v, 0x00, sizeof(v));
memset(v_le, 0x00, sizeof(v_le));
uint8_t* v_ptr = v_le;
uint8_t cmdlen = strlen(Cmd);
cmdlen = ( sizeof(v)<<2 < cmdlen ) ? sizeof(v)<<2 : cmdlen;
if ( param_gethex(Cmd, 0, v, cmdlen) > 0 ){
PrintAndLog("can't read hex chars, uneven? :: %u", cmdlen);
return 1;
}
SwapEndian64ex(v , 8, 4, v_ptr);
// ENCRYPTION KEY:
uint8_t key[16] = {0x55,0xFE,0xF6,0x30,0x62,0xBF,0x0B,0xC1,0xC9,0xB3,0x7C,0x34,0x97,0x3E,0x29,0xFB };
uint8_t keyle[16];
uint8_t* key_ptr = keyle;
SwapEndian64ex(key , sizeof(key), 4, key_ptr);
PrintAndLog("TEST LE enc| %s", sprint_hex(v_ptr, 8));
tea_decrypt(v_ptr, key_ptr);
PrintAndLog("TEST LE dec | %s", sprint_hex_ascii(v_ptr, 8));
tea_encrypt(v_ptr, key_ptr);
tea_encrypt(v_ptr, key_ptr);
PrintAndLog("TEST enc2 | %s", sprint_hex_ascii(v_ptr, 8));
return 0;
}
static command_t CommandTable[] = {
{"help", CmdHelp, 1, "This help"},
@ -256,6 +290,7 @@ static command_t CommandTable[] = {
{"crc", CmdAnalyseCRC, 1, "Stub method for CRC evaluations"},
{"chksum", CmdAnalyseCHKSUM, 1, "Checksum with adding, masking and one's complement"},
{"dates", CmdAnalyseDates, 1, "Look for datestamps in a given array of bytes"},
{"tea", CmdAnalyseTEASelfTest, 1, "Crypto TEA test"},
{NULL, NULL, 0, NULL}
};