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Windows Bootloader: Protect password/PIM length by filling the fields to their maximum length with '*' after ENTER is hit

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This commit is contained in:
Mounir IDRASSI
2015-10-14 23:07:33 +02:00
parent 225acf4a22
commit 19483d2097
2 changed files with 22 additions and 4 deletions
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24
src/Boot/Windows/BootMain.cpp
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@@ -168,10 +168,19 @@ static byte AskPassword (Password &password, int& pim)
switch (scanCode)
{
case TC_BIOS_KEY_ENTER:
password.Length = pos;
if (hidePassword)
{
while (pos < MAX_PASSWORD)
{
PrintChar ('*');
pos++;
}
}
ClearBiosKeystrokeBuffer();
PrintEndl();
password.Length = pos;
break;
case TC_BIOS_KEY_BACKSPACE:
@@ -228,9 +237,18 @@ static byte AskPassword (Password &password, int& pim)
switch (scanCode)
{
case TC_BIOS_KEY_ENTER:
if (hidePassword)
{
while (pos < MAX_PIM)
{
PrintChar ('*');
pos++;
}
}
ClearBiosKeystrokeBuffer();
PrintEndl();
return TC_BIOS_KEY_ENTER;
case TC_BIOS_KEY_BACKSPACE: