128 lines
3.7 KiB
C
128 lines
3.7 KiB
C
#include "red_crypto.h"
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uint8_t dec_pass[2][16] = {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}};
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uint8_t readed_key[32] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
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uint8_t count_char_key = 0;
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uint8_t crypto_mode = 0;
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void print_chars_w128(w128_t *x) {
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for (uint8_t i = 0; i < 16; i++) {
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if (x->b[i] == 0x00) break;
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printf("%c", x->b[i]);
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}
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dprintf("\n");
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};
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void print_chars(uint8_t *c) {
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for (uint8_t i = 0; i < 32; i++) {
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if (c[i] == 0x00) break;
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printf("%c", c[i]);
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}
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dprintf("\n");
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};
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void decrypt_pass_kuzn(const uint8_t encrypted_passwords[2][16]) {
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kuz_key_t key;
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w128_t x;
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kuz_set_decrypt_key(&key, readed_key);
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for (uint8_t j = 0; j < 2; j++) {
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for (uint8_t i = 0; i < 16; i++) {
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x.b[i] = encrypted_passwords[j][i];
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}
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kuz_decrypt_block(&key, &x);
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dprintf("decrypted\t=");
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print_w128(&x);
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print_chars_w128(&x);
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for (uint8_t i = 0; i < 16; i++) {
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dec_pass[j][i] = x.b[i];
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}
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}
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// kuz_set_encrypt_key(&key,readed_key);
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// for (uint8_t i=0; i<16; i++) {
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// x.b[i] = pass[i];
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// }
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// kuz_encrypt_block(&key,&x);
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// printf("encrypted\t="); print_w128(&x);
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// print_chars_w128(&x);
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};
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void send_chars_pass(uint8_t *out) {
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for (uint8_t i = 0; i < 16 && out[i] != 0; i++) {
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send_char((char)out[i]);
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}
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};
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void crypto_process_record_user(uint16_t keycode, keyrecord_t *record, const uint8_t encrypted_passwords[2][16]) {
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if (crypto_mode) {
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switch (keycode) {
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// TODO: write all ASCII printable keys
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// may be not printable, because we can use any byte of ASCII with QMK, HA-HA
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// transcode_keycode_to_ascii();
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case KC_1:
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if (record->event.pressed) {
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readed_key[count_char_key] = ASCII_LOW_1;
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count_char_key++;
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}
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break;
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case GET_PASS:
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if (record->event.pressed) {
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crypto_mode = 0;
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count_char_key = 0;
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decrypt_pass_kuzn(encrypted_passwords);
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}
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default:
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break;
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}
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} else {
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switch (keycode) {
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case RED_PASS1:
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if (record->event.pressed) {
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send_chars_pass(dec_pass[0]);
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// SEND_STRING(dec_pass[0]);
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}
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break;
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case RED_PASS2:
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if (record->event.pressed) {
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send_chars_pass(dec_pass[1]);
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// SEND_STRING(dec_pass[1]);
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}
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break;
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case RED_RNG:
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if (record->event.pressed) {
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//TODO: change seed
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for (uint8_t i = 0; i < 32; i++){
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tap_random_base64();
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}
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}
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break;
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case RED_TEST:
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#ifdef TEST_FUNCTIONS_ENABLED
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if (record->event.pressed) {
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exec_sha256_test();
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exec_kuznechik_test();
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exec_aes_test();
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}
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#endif
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break;
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case GET_PASS:
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if (record->event.pressed) {
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crypto_mode = 1;
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for (uint8_t i = 0; i < 32; i++) {
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readed_key[i] = 0;
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}
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dprintf("%d", keycode);
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}
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break;
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}
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}
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}
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