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elite_crack and make

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This commit is contained in:
merlokk 2018-11-19 11:57:38 +02:00
commit 42b0d50686
2 changed files with 12 additions and 13 deletions
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1
client/Makefile
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@ -107,7 +107,6 @@ CORESRCS = uart_posix.c \
CMDSRCS = $(SRC_SMARTCARD) \
crapto1/crapto1.c\
crapto1/crypto1.c\
polarssl/des.c\
crypto/libpcrypto.c\
crypto/asn1utils.c\
cliparser/argtable3.c\

24
client/loclass/elite_crack.c
View file

@ -46,7 +46,7 @@
#include "ikeys.h"
#include "elite_crack.h"
#include "fileutils.h"
#include "polarssl/des.h"
#include "mbedtls/des.h"
/**
* @brief Permutes a key from standard NIST format to Iclass specific format
@ -179,22 +179,22 @@ void rk(uint8_t *key, uint8_t n, uint8_t *outp_key)
return;
}
static des_context ctx_enc = {DES_ENCRYPT,{0}};
static des_context ctx_dec = {DES_DECRYPT,{0}};
static mbedtls_des_context ctx_enc = {0};
static mbedtls_des_context ctx_dec = {0};
void desdecrypt_iclass(uint8_t *iclass_key, uint8_t *input, uint8_t *output)
{
uint8_t key_std_format[8] = {0};
permutekey_rev(iclass_key, key_std_format);
des_setkey_dec( &ctx_dec, key_std_format);
des_crypt_ecb(&ctx_dec,input,output);
mbedtls_des_setkey_dec( &ctx_dec, key_std_format);
mbedtls_des_crypt_ecb(&ctx_dec,input,output);
}
void desencrypt_iclass(uint8_t *iclass_key, uint8_t *input, uint8_t *output)
{
uint8_t key_std_format[8] = {0};
permutekey_rev(iclass_key, key_std_format);
des_setkey_enc( &ctx_enc, key_std_format);
des_crypt_ecb(&ctx_enc,input,output);
mbedtls_des_setkey_enc( &ctx_enc, key_std_format);
mbedtls_des_crypt_ecb(&ctx_enc,input,output);
}
/**
@ -449,7 +449,7 @@ int bruteforceItem(dumpdata item, uint16_t keytable[])
*/
int calculateMasterKey(uint8_t first16bytes[], uint64_t master_key[] )
{
des_context ctx_e = {DES_ENCRYPT,{0}};
mbedtls_des_context ctx_e = {0};
uint8_t z_0[8] = {0};
uint8_t y_0[8] = {0};
@ -468,8 +468,8 @@ int calculateMasterKey(uint8_t first16bytes[], uint64_t master_key[] )
permutekey_rev(z_0, z_0_rev);
// ~K_cus = DESenc(z[0], y[0])
des_setkey_enc( &ctx_e, z_0_rev );
des_crypt_ecb(&ctx_e, y_0, key64_negated);
mbedtls_des_setkey_enc( &ctx_e, z_0_rev );
mbedtls_des_crypt_ecb(&ctx_e, y_0, key64_negated);
int i;
for(i = 0; i < 8 ; i++)
@ -482,8 +482,8 @@ int calculateMasterKey(uint8_t first16bytes[], uint64_t master_key[] )
uint8_t key64_stdformat[8] = {0};
permutekey_rev(key64, key64_stdformat);
des_setkey_enc( &ctx_e, key64_stdformat );
des_crypt_ecb(&ctx_e, key64_negated, result);
mbedtls_des_setkey_enc( &ctx_e, key64_stdformat );
mbedtls_des_crypt_ecb(&ctx_e, key64_negated, result);
prnlog("\nHigh security custom key (Kcus):");
printvar("Std format ", key64_stdformat,8);
printvar("Iclass format", key64,8);