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

Add length check.

Browse Source 
Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-09-08 13:51:15 +02:00
parent 6025030d58
commit a1db7ec1ea
1 changed files with 2 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/fido/cmd_register.c
View File

@@ -30,6 +30,8 @@ int cmd_register() {
resp->keyHandleLen = KEY_HANDLE_LEN; resp->keyHandleLen = KEY_HANDLE_LEN;
if (scan_files() != CCID_OK) if (scan_files() != CCID_OK)
return SW_EXEC_ERROR(); return SW_EXEC_ERROR();
if (apdu.nc != U2F_APPID_SIZE + U2F_CHAL_SIZE)
return SW_WRONG_LENGTH();
if (wait_button_pressed() == true) if (wait_button_pressed() == true)
return SW_CONDITIONS_NOT_SATISFIED(); return SW_CONDITIONS_NOT_SATISFIED();
mbedtls_ecdsa_context key; mbedtls_ecdsa_context key;