make style

This commit is contained in:
Philippe Teuwen 2019-03-10 00:00:59 +01:00
commit 0373696662
483 changed files with 56514 additions and 52451 deletions

View file

@ -19,82 +19,92 @@
#include "desfire_key.h"
static inline void update_key_schedules (desfirekey_t key);
static inline void update_key_schedules(desfirekey_t key);
static inline void update_key_schedules (desfirekey_t key) {
static inline void update_key_schedules(desfirekey_t key)
{
// DES_set_key ((DES_cblock *)key->data, &(key->ks1));
// DES_set_key ((DES_cblock *)(key->data + 8), &(key->ks2));
// if (T_3K3DES == key->type) {
// DES_set_key ((DES_cblock *)(key->data + 16), &(key->ks3));
// DES_set_key ((DES_cblock *)(key->data + 16), &(key->ks3));
// }
}
void Desfire_des_key_new (const uint8_t value[8], desfirekey_t key) {
void Desfire_des_key_new(const uint8_t value[8], desfirekey_t key)
{
uint8_t data[8];
memcpy (data, value, 8);
for (int n=0; n < 8; n++)
memcpy(data, value, 8);
for (int n = 0; n < 8; n++)
data[n] &= 0xfe;
Desfire_des_key_new_with_version (data, key);
Desfire_des_key_new_with_version(data, key);
}
void Desfire_des_key_new_with_version (const uint8_t value[8], desfirekey_t key) {
if ( key != NULL) {
void Desfire_des_key_new_with_version(const uint8_t value[8], desfirekey_t key)
{
if (key != NULL) {
key->type = T_DES;
memcpy (key->data, value, 8);
memcpy (key->data+8, value, 8);
update_key_schedules (key);
memcpy(key->data, value, 8);
memcpy(key->data + 8, value, 8);
update_key_schedules(key);
}
}
void Desfire_3des_key_new (const uint8_t value[16], desfirekey_t key) {
void Desfire_3des_key_new(const uint8_t value[16], desfirekey_t key)
{
uint8_t data[16];
memcpy (data, value, 16);
for (int n=0; n < 8; n++)
memcpy(data, value, 16);
for (int n = 0; n < 8; n++)
data[n] &= 0xfe;
for (int n=8; n < 16; n++)
for (int n = 8; n < 16; n++)
data[n] |= 0x01;
Desfire_3des_key_new_with_version (data, key);
Desfire_3des_key_new_with_version(data, key);
}
void Desfire_3des_key_new_with_version (const uint8_t value[16], desfirekey_t key) {
if ( key != NULL ){
void Desfire_3des_key_new_with_version(const uint8_t value[16], desfirekey_t key)
{
if (key != NULL) {
key->type = T_3DES;
memcpy (key->data, value, 16);
memcpy (key->data + 16, value, 8);
update_key_schedules (key);
memcpy(key->data, value, 16);
memcpy(key->data + 16, value, 8);
update_key_schedules(key);
}
}
void Desfire_3k3des_key_new (const uint8_t value[24], desfirekey_t key) {
void Desfire_3k3des_key_new(const uint8_t value[24], desfirekey_t key)
{
uint8_t data[24];
memcpy (data, value, 24);
for (int n=0; n < 8; n++)
memcpy(data, value, 24);
for (int n = 0; n < 8; n++)
data[n] &= 0xfe;
Desfire_3k3des_key_new_with_version (data, key);
Desfire_3k3des_key_new_with_version(data, key);
}
void Desfire_3k3des_key_new_with_version (const uint8_t value[24], desfirekey_t key) {
if ( key != NULL){
void Desfire_3k3des_key_new_with_version(const uint8_t value[24], desfirekey_t key)
{
if (key != NULL) {
key->type = T_3K3DES;
memcpy (key->data, value, 24);
update_key_schedules (key);
memcpy(key->data, value, 24);
update_key_schedules(key);
}
}
void Desfire_aes_key_new (const uint8_t value[16], desfirekey_t key) {
Desfire_aes_key_new_with_version (value, 0, key);
void Desfire_aes_key_new(const uint8_t value[16], desfirekey_t key)
{
Desfire_aes_key_new_with_version(value, 0, key);
}
void Desfire_aes_key_new_with_version (const uint8_t value[16], uint8_t version, desfirekey_t key) {
void Desfire_aes_key_new_with_version(const uint8_t value[16], uint8_t version, desfirekey_t key)
{
if (key != NULL) {
memcpy (key->data, value, 16);
memcpy(key->data, value, 16);
key->type = T_AES;
key->aes_version = version;
}
}
uint8_t Desfire_key_get_version (desfirekey_t key) {
uint8_t Desfire_key_get_version(desfirekey_t key)
{
uint8_t version = 0;
for (int n = 0; n < 8; n++) {
@ -103,54 +113,55 @@ uint8_t Desfire_key_get_version (desfirekey_t key) {
return version;
}
void Desfire_key_set_version (desfirekey_t key, uint8_t version)
void Desfire_key_set_version(desfirekey_t key, uint8_t version)
{
for (int n = 0; n < 8; n++) {
uint8_t version_bit = ((version & (1 << (7-n))) >> (7-n));
uint8_t version_bit = ((version & (1 << (7 - n))) >> (7 - n));
key->data[n] &= 0xfe;
key->data[n] |= version_bit;
if (key->type == T_DES) {
key->data[n+8] = key->data[n];
key->data[n + 8] = key->data[n];
} else {
// Write ~version to avoid turning a 3DES key into a DES key
key->data[n+8] &= 0xfe;
key->data[n+8] |= ~version_bit;
key->data[n + 8] &= 0xfe;
key->data[n + 8] |= ~version_bit;
}
}
}
void Desfire_session_key_new (const uint8_t rnda[], const uint8_t rndb[], desfirekey_t authkey, desfirekey_t key) {
void Desfire_session_key_new(const uint8_t rnda[], const uint8_t rndb[], desfirekey_t authkey, desfirekey_t key)
{
uint8_t buffer[24];
switch (authkey->type) {
case T_DES:
memcpy (buffer, rnda, 4);
memcpy (buffer+4, rndb, 4);
Desfire_des_key_new_with_version (buffer, key);
break;
case T_3DES:
memcpy (buffer, rnda, 4);
memcpy (buffer+4, rndb, 4);
memcpy (buffer+8, rnda+4, 4);
memcpy (buffer+12, rndb+4, 4);
Desfire_3des_key_new_with_version (buffer, key);
break;
case T_3K3DES:
memcpy (buffer, rnda, 4);
memcpy (buffer+4, rndb, 4);
memcpy (buffer+8, rnda+6, 4);
memcpy (buffer+12, rndb+6, 4);
memcpy (buffer+16, rnda+12, 4);
memcpy (buffer+20, rndb+12, 4);
Desfire_3k3des_key_new (buffer, key);
break;
case T_AES:
memcpy (buffer, rnda, 4);
memcpy (buffer+4, rndb, 4);
memcpy (buffer+8, rnda+12, 4);
memcpy (buffer+12, rndb+12, 4);
Desfire_aes_key_new (buffer, key);
break;
case T_DES:
memcpy(buffer, rnda, 4);
memcpy(buffer + 4, rndb, 4);
Desfire_des_key_new_with_version(buffer, key);
break;
case T_3DES:
memcpy(buffer, rnda, 4);
memcpy(buffer + 4, rndb, 4);
memcpy(buffer + 8, rnda + 4, 4);
memcpy(buffer + 12, rndb + 4, 4);
Desfire_3des_key_new_with_version(buffer, key);
break;
case T_3K3DES:
memcpy(buffer, rnda, 4);
memcpy(buffer + 4, rndb, 4);
memcpy(buffer + 8, rnda + 6, 4);
memcpy(buffer + 12, rndb + 6, 4);
memcpy(buffer + 16, rnda + 12, 4);
memcpy(buffer + 20, rndb + 12, 4);
Desfire_3k3des_key_new(buffer, key);
break;
case T_AES:
memcpy(buffer, rnda, 4);
memcpy(buffer + 4, rndb, 4);
memcpy(buffer + 8, rnda + 12, 4);
memcpy(buffer + 12, rndb + 12, 4);
Desfire_aes_key_new(buffer, key);
break;
}
}