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code to check RndA' from PICC was unreachable

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This commit is contained in:
Blaine Forbort
2014-12-20 19:25:31 -08:00
parent 6a1aa12df0
commit 0673263230
1 changed files with 12 additions and 12 deletions
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24
armsrc/mifaredesfire.c
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@@ -294,6 +294,18 @@ void MifareDES_Auth1(uint8_t mode, uint8_t algo, uint8_t keyno, uint8_t *datain
desfirekey_t skey = &sessionKey; desfirekey_t skey = &sessionKey;
Desfire_session_key_new( RndA, RndB , key, skey ); Desfire_session_key_new( RndA, RndB , key, skey );
//print_result("SESSION : ", skey->data, 8); //print_result("SESSION : ", skey->data, 8);
memcpy(encRndA, resp+3, 8);
des_dec(&encRndA, &encRndA, key->data);
rol(decRndA,8);
for (int x = 0; x < 8; x++) {
if (decRndA[x] != encRndA[x]) {
DbpString("Authetication failed. Cannot varify PICC.");
OnError();
return;
}
}
OnSuccess(); OnSuccess();
cmd_send(CMD_ACK,1,0,0,skey->data,8); cmd_send(CMD_ACK,1,0,0,skey->data,8);
@@ -303,18 +315,6 @@ void MifareDES_Auth1(uint8_t mode, uint8_t algo, uint8_t keyno, uint8_t *datain
return; return;
} }
memcpy(encRndA, resp+3, 8);
des_dec(&encRndA, &encRndA, key->data);
rol(decRndA,8);
for (int x = 0; x < 8; x++) {
if (decRndA[x] != encRndA[x]) {
DbpString("Authetication failed. Cannot varify PICC.");
OnError();
return;
}
}
} }
} }
break; break;