dearsky/pico-fido
1
0
Fork 0
Code Issues 46 Pull Requests 1 Actions Packages Projects Releases 22 Wiki Activity

Add BE/LE functions to pack uint16, uint32 and uint64.

Browse Source 
Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2024-12-23 20:51:09 +01:00
parent b42a664ac6
commit 1d20321d69
7 changed files with 10 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
src/fido/otp.c
View File

@@ -239,8 +239,8 @@ int otp_button_pressed(uint8_t slot) {
if (imf == 0) {
imf = ((otp_config->uid[4] << 8) | otp_config->uid[5]) << 4;
}
uint8_t chal[8] =
{ imf >> 56, imf >> 48, imf >> 40, imf >> 32, imf >> 24, imf >> 16, imf >> 8, imf & 0xff };
uint8_t chal[8];
put_uint64_t_be(imf, chal);
res_APDU_size = 0;
int ret = calculate_oath(1, tmp_key, sizeof(tmp_key), chal, sizeof(chal));
if (ret == PICOKEY_OK) {
@@ -258,9 +258,8 @@ int otp_button_pressed(uint8_t slot) {
add_keyboard_buffer((const uint8_t *) number_str, 6, true);
}
imf++;
uint8_t new_chal[8] =
{ imf >> 56, imf >> 48, imf >> 40, imf >> 32, imf >> 24, imf >> 16, imf >> 8,
imf & 0xff };
uint8_t new_chal[8];
put_uint64_t_be(imf, new_chal);
uint8_t new_otp_config[otp_config_size + sizeof(new_chal)];
memcpy(new_otp_config, otp_config, otp_config_size);
memcpy(new_otp_config + otp_config_size, new_chal, sizeof(new_chal));