openbsd disk encryption

The importance of encrypting company data, especially when you may have confidential data in a user's notebook and he is running around with a computer, is becoming more apparent. To encrypt data, you have countless options to choose from and consider. First, you can try to find a way to keep the user from running around with the data, but that's not always possible. Second, you can use Windows XP's own EFS encryption mechanism to encrypt sensitive da

As the computing and storage capabilities of smartphones increase, mobile phones will store more and more private data, and the leakage of such data may cause serious consequences. Mobile phone information security has always been one of our key points. For some important functions, we need to authenticate them before they can be used. However, this can only block novice hackers, and it can only protect against gentlemen and prevent villains, therefore, we hope to encrypt important data before s

2017-08-06 10-59-35.png "alt=" Wkiol1mgklghf3knaabavx4vpf4011.png "/>3. Automatic mount encryption device on bootVim/etc/crypttab Edit profile Settings auto-decrypt on bootDecrypt name device holds encrypted password fileWestos/dev/vdb2/root/lukspsfileVim/root/lukspsfile password for input partition encryptionchmod 600/root/lukspsfile to execute permissionsFocus: Cryptsetup luksaddkey/dev/vdb2/root/lukspsfile allow device and partition password to st

Do you know that you can turn an ordinary u disk into a USB u disk? The USB u disk will give us a higher security protection for data security. Here is a simple introduction to the general U disk into an encryption U disk. 1. Her

/md11p1:[[emailprotected]~]# mkdir/ys_disk[[emailprotected]~]#mkfs.xfs/dev/mapper/ys_diskmeta-data=/dev /mapper/ys_diskisize=256agcount=16,agsize=191872blks= sectsz=4096attr=2,projid32bit=1= crc=0finobt=0data = bsize=4096blocks=3069952,imaxpct=25 = sunit=128swidth=384 blksnaming=version2 Bsize=4096ascii-ci=0ftype=0log=internallog bsize=4096blocks=2560, version=2= sectsz=4096 sunit=1blks,lazy-count=1realtime=none extsz=4096blocks=0, rtextents=0[[emailprotected]~]#mount/dev/mapper/ys_disk/ys_dis

Disk encryption under LinuxLUKS (Linux Unified Key Setup) provides a standard for Linux hard disk encryption, which is not only common to different Linux distributions, but also supports multi-user/password. Because its encryption key is independent of the password, if the p

In Windows7, the computer has its own tools for the security of mobile HDD, let's take a look at the specific setup steps. 1, the first mobile hard disk or U disk inserted into the USB interface, and then open "My Computer" in My computer can see "Removable Disk", and then click the right mouse button, in the Drop-down menu, we choose to start "BitLocker", as sh

' inch ' Mnt/snapshot_of_real_root '4. Set the defaultset-default257 mnt get-default mnt 2575 Path Real_root5. Deleting a snapshot or Subvolume[Email protected] ~ # Btrfs Subvolume list/root/mnt ID257Gen ATop level5Path Real_rootid258Gen -Top level5Path Snapshot_of_real_rootid259Gen ATop level5Path snapshot/Snapshot_of_real_root_2[email protected]~ # Btrfs Subvolume Create mnt/testcreate Subvolume'mnt/test'[email protected]~ # Btrfs Subvolume list/root

Win7 system disk after encryption forgot password how to retrieve? 1, in encryption, we should all use U disk backup encryption key, where the default everyone has backed up the key, the U disk inserted in the computer, now open

Because of the lightweight USB flash drive, easy to carry, now more and more people use, but also because it is convenient to carry to our data security has brought trouble, imagine, when you leave the computer when others use a U disk to the computer's important information are copied, if it is important confidential, this can be a big trouble. Is there any way to let others use the U-disk when they have t

U disk and other mobile devices can be used to store files, install the system, but also can be used to make cryptographic dogs. This article refers to the encrypting dog that only pointers to the Windows system boot up the dog. Its role is to avoid others casually open their own computer to view their own private information, in addition to setting personal password, but also through a simple setting so that the computer can only be inserted into the

control notification Handler code hereunsigned long s1,s2;unsigned char vendor_id[]= "------------";//CPU provider IDCString STR1,STR2,STR3;The following is the assembly language instruction for obtaining the CPU ID_ASM//Get CPU provider Information{XOR Eax,eax//will eax clear 0CPUID//command to get CPUIDmov dword ptr vendor_id,ebxmov dword ptr vendor_id[+4],edxmov dword ptr vendor_id[+8],ecx}Str1. Format ("CPU provider id:%s", vendor_id);_ASM//Get high 32 bits of CPU ID{MOV eax,01hXOR Edx,edxC

= password.　　　After saving and restarting the computer, when you log in to the Grub menu page again, you will not be able to directly use the e command to edit the start tag, you must first use the P command, enter the correct password before you can edit the boot tag. It is not safe to set the plaintext password, and you can modify the Grub boot tag to modify the root password if someone else has the plaintext password. 2, MD5 encryption method: E

How to turn the ordinary U disk into a USB u disk? After the USB disk drive to our data security to bring higher security protection. Here is a simple introduction to the general U disk into an encryption U disk. 1. Here first to