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Initial accelerated dictionary attack for weak PRNGs

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This commit is contained in:
noproto
2024-08-18 20:38:24 -04:00
parent cc8cae770f
commit 79bc887f95
4 changed files with 207 additions and 11 deletions
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6
applications/main/nfc/nfc_app_i.h
View File

@@ -74,8 +74,12 @@
#define NFC_APP_MFKEY32_LOGS_FILE_NAME ".mfkey32.log"
#define NFC_APP_MFKEY32_LOGS_FILE_PATH (NFC_APP_FOLDER "/" NFC_APP_MFKEY32_LOGS_FILE_NAME)
#define NFC_APP_MF_CLASSIC_DICT_USER_PATH (NFC_APP_FOLDER "/assets/mf_classic_dict_user.nfc")
#define NFC_APP_MF_CLASSIC_DICT_USER_PATH (NFC_APP_FOLDER "/assets/mf_classic_dict_user.nfc")
#define NFC_APP_MF_CLASSIC_DICT_USER_NESTED_PATH \
(NFC_APP_FOLDER "/assets/mf_classic_dict_user_nested.nfc")
#define NFC_APP_MF_CLASSIC_DICT_SYSTEM_PATH (NFC_APP_FOLDER "/assets/mf_classic_dict.nfc")
#define NFC_APP_MF_CLASSIC_DICT_SYSTEM_NESTED_PATH \
(NFC_APP_FOLDER "/assets/mf_classic_dict_nested.nfc")
typedef enum {
NfcRpcStateIdle,

14
applications/main/nfc/scenes/nfc_scene_mf_classic_dict_attack.c
View File

@@ -130,6 +130,13 @@ static void nfc_scene_mf_classic_dict_attack_prepare_view(NfcApp* instance) {
break;
}
// TODO: Check for errors
storage_common_remove(instance->storage, NFC_APP_MF_CLASSIC_DICT_USER_NESTED_PATH);
storage_common_copy(
instance->storage,
NFC_APP_MF_CLASSIC_DICT_USER_PATH,
NFC_APP_MF_CLASSIC_DICT_USER_NESTED_PATH);
instance->nfc_dict_context.dict = keys_dict_alloc(
NFC_APP_MF_CLASSIC_DICT_USER_PATH, KeysDictModeOpenAlways, sizeof(MfClassicKey));
if(keys_dict_get_total_keys(instance->nfc_dict_context.dict) == 0) {
@@ -142,6 +149,13 @@ static void nfc_scene_mf_classic_dict_attack_prepare_view(NfcApp* instance) {
} while(false);
}
if(state == DictAttackStateSystemDictInProgress) {
// TODO: Check for errors
storage_common_remove(instance->storage, NFC_APP_MF_CLASSIC_DICT_SYSTEM_NESTED_PATH);
storage_common_copy(
instance->storage,
NFC_APP_MF_CLASSIC_DICT_SYSTEM_PATH,
NFC_APP_MF_CLASSIC_DICT_SYSTEM_NESTED_PATH);
instance->nfc_dict_context.dict = keys_dict_alloc(
NFC_APP_MF_CLASSIC_DICT_SYSTEM_PATH, KeysDictModeOpenExisting, sizeof(MfClassicKey));
dict_attack_set_header(instance->dict_attack, "MF Classic System Dictionary");