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Icemans UL-C Auth dev side fix plus a few other ...

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... small UL fixes
This commit is contained in:
marshmellow42 2015-05-03 15:41:11 -04:00
parent 7eec1204e7
commit b3125340f3
4 changed files with 93 additions and 52 deletions
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19
armsrc/des.c
View file

@ -378,38 +378,53 @@ void tdes_dec(void* out, void* in, const uint8_t* key){
des_dec(out, out, (uint8_t*)key + 0);
}
void tdes_2key_enc(void* out, const void* in, size_t length, const void* key){
void tdes_2key_enc(void* out, const void* in, size_t length, const void* key, unsigned char iv[8]){
if( length % 8 ) return;
uint8_t i;
uint8_t* tin = (uint8_t*) in;
uint8_t* tout = (uint8_t*) out;
while( length > 0 )
{
for ( i = 0; i < 8; i++ )
tout[i] = (unsigned char)(tin[i] ^ iv[i]);
des_enc(tout, tin, (uint8_t*)key + 0);
des_dec(tout, tout, (uint8_t*)key + 8);
des_enc(tout, tout, (uint8_t*)key + 0);
memcpy(iv, tout, 8);
tin += 8;
tout += 8;
length -= 8;
}
}
void tdes_2key_dec(void* out, const void* in, size_t length, const void* key){
void tdes_2key_dec(void* out, const void* in, size_t length, const void* key, unsigned char iv[8]){
if( length % 8 ) return;
uint8_t i;
unsigned char temp[8];
uint8_t* tin = (uint8_t*) in;
uint8_t* tout = (uint8_t*) out;
while( length > 0 )
{
memcpy(temp, tin, 8);
des_dec(tout, tin, (uint8_t*)key + 0);
des_enc(tout, tout, (uint8_t*)key + 8);
des_dec(tout, tout, (uint8_t*)key + 0);
for (i = 0; i < 8; i++)
tout[i] = (unsigned char)(tout[i] ^ iv[i]);
memcpy(iv, temp, 8);
tin += 8;
tout += 8;
length -= 8;

4
armsrc/des.h
View file

@ -97,8 +97,8 @@ void tdes_enc(void* out, const void* in, const void* key);
*/
void tdes_dec(void* out, const void* in, const void* key);
void tdes_2key_enc(void* out, const void* in, size_t length, const void* key);
void tdes_2key_dec(void* out, const void* in, size_t length, const void* key);
void tdes_2key_enc(void* out, const void* in, size_t length, const void* key, unsigned char iv[8]);
void tdes_2key_dec(void* out, const void* in, size_t length, const void* key, unsigned char iv[8]);
#endif /*DES_H_*/

105
armsrc/mifarecmd.c
View file

@ -171,13 +171,12 @@ void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
// Dbprintf("KEY: %02x %02x %02x %02x %02x %02x %02x %02x", key[0],key[1],key[2],key[3],key[4],key[5],key[6],key[7] );
// Dbprintf("KEY: %02x %02x %02x %02x %02x %02x %02x %02x", key[8],key[9],key[10],key[11],key[12],key[13],key[14],key[15] );
uint8_t a[8] = {1,1,1,1,1,1,1,1 };
uint8_t b[8] = {0x00};
uint8_t enc_b[8] = {0x00};
uint8_t ab[16] = {0x00};
uint8_t enc_ab[16] = {0x00};
uint8_t enc_key[8] = {0x00};
uint8_t random_a[8] = {1,1,1,1,1,1,1,1 };
uint8_t random_b[8] = {0x00};
uint8_t enc_random_b[8] = {0x00};
uint8_t rnd_ab[16] = {0x00};
uint8_t IV[8] = {0x00};
uint16_t len;
uint8_t receivedAnswer[MAX_FRAME_SIZE];
uint8_t receivedAnswerPar[MAX_PARITY_SIZE];
@ -188,69 +187,93 @@ void MifareUReadBlock(uint8_t arg0, uint8_t arg1, uint8_t *datain)
OnError(1);
return;
}
// tag nonce.
memcpy(enc_b,receivedAnswer+1,8);
memcpy(enc_random_b,receivedAnswer+1,8);
// decrypt nonce.
tdes_2key_dec(b, enc_b, 8, key );
tdes_2key_dec(random_b, enc_random_b, sizeof(random_b), key, IV );
Dbprintf("enc_B: %02x %02x %02x %02x %02x %02x %02x %02x", enc_b[0],enc_b[1],enc_b[2],enc_b[3],enc_b[4],enc_b[5],enc_b[6],enc_b[7] );
Dbprintf(" B: %02x %02x %02x %02x %02x %02x %02x %02x", b[0],b[1],b[2],b[3],b[4],b[5],b[6],b[7] );
rol(b,8);
rol(random_b,8);
memcpy(ab ,a,8);
memcpy(ab+8,b,8);
memcpy(rnd_ab ,random_a,8);
memcpy(rnd_ab+8,random_b,8);
Dbprintf("AB: %02x %02x %02x %02x %02x %02x %02x %02x", ab[0],ab[1],ab[2],ab[3],ab[4],ab[5],ab[6],ab[7] );
Dbprintf("AB: %02x %02x %02x %02x %02x %02x %02x %02x", ab[8],ab[9],ab[10],ab[11],ab[12],ab[13],ab[14],ab[15] );
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {
Dbprintf("enc_B: %02x %02x %02x %02x %02x %02x %02x %02x",
enc_random_b[0],enc_random_b[1],enc_random_b[2],enc_random_b[3],
enc_random_b[4],enc_random_b[5],enc_random_b[6],enc_random_b[7]);
Dbprintf(" B: %02x %02x %02x %02x %02x %02x %02x %02x",
random_b[0],random_b[1],random_b[2],random_b[3],
random_b[4],random_b[5],random_b[6],random_b[7]);
// encrypt
tdes_2key_enc(enc_ab, ab, 16, key);
Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x",
rnd_ab[0],rnd_ab[1],rnd_ab[2],rnd_ab[3],
rnd_ab[4],rnd_ab[5],rnd_ab[6],rnd_ab[7]);
Dbprintf("rnd_ab: %02x %02x %02x %02x %02x %02x %02x %02x",
rnd_ab[8],rnd_ab[9],rnd_ab[10],rnd_ab[11],
rnd_ab[12],rnd_ab[13],rnd_ab[14],rnd_ab[15] );
}
// encrypt out, in, length, key, iv
tdes_2key_enc(rnd_ab, rnd_ab, sizeof(rnd_ab), key, enc_random_b);
Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x", enc_ab[0],enc_ab[1],enc_ab[2],enc_ab[3],enc_ab[4],enc_ab[5],enc_ab[6],enc_ab[7] );
Dbprintf("e_enc_ab: %02x %02x %02x %02x %02x %02x %02x %02x", enc_ab[8],enc_ab[9],enc_ab[10],enc_ab[11],enc_ab[12],enc_ab[13],enc_ab[14],enc_ab[15] );
len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, enc_ab, receivedAnswer, receivedAnswerPar, NULL);
len = mifare_sendcmd_short_mfucauth(NULL, 1, 0xAF, rnd_ab, receivedAnswer, receivedAnswerPar, NULL);
if (len != 11) {
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
OnError(1);
return;
}
// the tags' encryption of our nonce, A.
memcpy(enc_key, receivedAnswer+1, 8);
// clear B.
memset(b, 0x00, 8);
// decrypt
tdes_2key_dec(b, enc_key, 8, key );
if ( memcmp(a, b, 8) == 0 )
Dbprintf("Verified key");
else
uint8_t enc_resp[8] = { 0 };
uint8_t resp_random_a[8] = { 0 };
memcpy(enc_resp, receivedAnswer+1, 8);
// decrypt out, in, length, key, iv
tdes_2key_dec(resp_random_a, enc_resp, 8, key, enc_random_b);
if ( memcmp(resp_random_a, random_a, 8) != 0 )
Dbprintf("failed authentication");
Dbprintf("a: %02x %02x %02x %02x %02x %02x %02x %02x", a[0],a[1],a[2],a[3],a[4],a[5],a[6],a[7] );
Dbprintf("b: %02x %02x %02x %02x %02x %02x %02x %02x", b[0],b[1],b[2],b[3],b[4],b[5],b[6],b[7] );
}
if (MF_DBGLEVEL >= MF_DBG_EXTENDED) {
Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x",
rnd_ab[0],rnd_ab[1],rnd_ab[2],rnd_ab[3],
rnd_ab[4],rnd_ab[5],rnd_ab[6],rnd_ab[7]);
Dbprintf("e_AB: %02x %02x %02x %02x %02x %02x %02x %02x",
rnd_ab[8],rnd_ab[9],rnd_ab[10],rnd_ab[11],
rnd_ab[12],rnd_ab[13],rnd_ab[14],rnd_ab[15]);
Dbprintf("a: %02x %02x %02x %02x %02x %02x %02x %02x",
random_a[0],random_a[1],random_a[2],random_a[3],
random_a[4],random_a[5],random_a[6],random_a[7]);
Dbprintf("b: %02x %02x %02x %02x %02x %02x %02x %02x",
resp_random_a[0],resp_random_a[1],resp_random_a[2],resp_random_a[3],
resp_random_a[4],resp_random_a[5],resp_random_a[6],resp_random_a[7]);
}
}
if( mifare_ultra_readblock(blockNo, dataout) ) {
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Read block error");
OnError(2);
return;
}
if( mifare_ultra_halt() ) {
if (MF_DBGLEVEL >= MF_DBG_ERROR) Dbprintf("Halt error");
OnError(3);
return;
}
cmd_send(CMD_ACK,1,0,0,dataout,16);
cmd_send(CMD_ACK,1,0,0,dataout,16);
FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
LEDsoff();
}
//-----------------------------------------------------------------------------
// Select, Authenticate, Read a MIFARE tag.
// read sector (data = 4 x 16 bytes = 64 bytes, or 16 x 16 bytes = 256 bytes)

17
client/cmdhfmfu.c
View file

@ -87,7 +87,7 @@ uint8_t GetHF14AMfU_Type(void){
// EV1 GetVersion
if (WaitForResponseTimeout(CMD_ACK, &resp, 1500)) {
uint8_t version[8] = {0,0,0,0,0,0,0,0};
uint8_t version[10] = {0,0,0,0,0,0,0,0};
memcpy(&version, resp.d.asBytes, sizeof(version));
uint8_t len = resp.arg[0] & 0xff;
@ -722,7 +722,7 @@ int CmdHF14AMfUCRdBl(const char *Cmd)
PrintAndLog("Usage: hf mfu crdbl <block number> <password>");
PrintAndLog("");
PrintAndLog("sample: hf mfu crdbl 0");
PrintAndLog(" hf mfu crdbl 0 112233445566778899AABBCCDDEEFF");
PrintAndLog(" hf mfu crdbl 0 00112233445566778899AABBCCDDEEFF");
return 0;
}
@ -803,14 +803,15 @@ int CmdHF14AMfUCWrBl(const char *Cmd){
PrintAndLog("Block data must include 8 HEX symbols");
return 1;
}
if (strchr(Cmd,'w') != 0 || strchr(Cmd,'W') != 0 ) {
chinese_card = TRUE;
}
if ( blockNo <= 3 ) {
if (!chinese_card){
PrintAndLog("Access Denied");
PrintAndLog("Access Denied");
return 1;
} else {
PrintAndLog("--Special block no: 0x%02x", blockNo);
PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
@ -822,8 +823,9 @@ int CmdHF14AMfUCWrBl(const char *Cmd){
PrintAndLog("isOk:%02x", isOK);
} else {
PrintAndLog("Command execute timeout");
}
}
return 1;
}
}
} else {
PrintAndLog("--Block no : 0x%02x", blockNo);
PrintAndLog("--Data: %s", sprint_hex(bldata, 4));
@ -835,6 +837,7 @@ int CmdHF14AMfUCWrBl(const char *Cmd){
PrintAndLog("isOk : %02x", isOK);
} else {
PrintAndLog("Command execute timeout");
return 1;
}
}
return 0;