diff options
| -rw-r--r-- | partition.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/partition.cpp b/partition.cpp index 354563466..979272a44 100644 --- a/partition.cpp +++ b/partition.cpp @@ -1611,8 +1611,12 @@ bool TWPartition::Wipe_Encryption() { close(fd); } } else { - string Command = "flash_image " + Crypto_Key_Location + " /dev/zero"; - TWFunc::Exec_Cmd(Command); + if (TWFunc::IOCTL_Get_Block_Size(Crypto_Key_Location.c_str()) >= 16384LLU) { + string Command = "dd of='" + Crypto_Key_Location + "' if=/dev/zero bs=16384 count=1"; + TWFunc::Exec_Cmd(Command); + } else { + LOGINFO("Crypto key location reports size < 16K so not wiping crypto footer.\n"); + } } if (Wipe(Fstab_File_System)) { Has_Data_Media = Save_Data_Media; |