Customers who need encryption but require the fastest backup speeds should plan to use the encryptioncapable tape hardware such as ts11xx and lto4 lto5lto6lto7lto8 instead since it has very minimal performance degradation. With ultimate reliability and ease of use in mind, even at 100% duty cycles, hps rugged design builds on superior lto technology and adds advanced features like hardware data encryption to create a new level of data protection. When your files are encrypted, they are completely unreadable without the correct encryption key so if someone steals your encrypted files, they cant actually do anything with them. However, lto4 tape drives have specific encryption issues.
The encryptionenabled tape drive the ts1 model e06 tape drives and the lto 4 and later drives are encryptioncapable. For each data protection operation, the software checks the drive to see if encryption is supported. The fist is the skm which is documented in the previous message along with tape drives in the emle or esle libraries. Certain hardware and software prerequisites must be met before using encryption with the ts4300 tape library. Hardware encrypted usb sticks are useful in situations where you need to occasional encryption without having to rely on some sort of system. Tape encryption purchase considerations computer weekly. The family of hpe ultrium tape drives is hps premier line of backup devices. When choosing data security protocols, should you go for hardware or software encryption.
Ssd hardware encryption versus software encryption. During a read operation, if another encryption key is found, the dione card requests the key directly from the kms. Hardware encryption is efficient due to the encryption function being offloaded to the drive from the. It can turn compression on or off, i didnt know if it was hardware of software though, and on dpm you cant enable both encryption on compression. Im about to purchase a new laptop and am debating where to put my dollars to work in terms of encrypting my data. All ts1120 model e05 tape drives with feature code 5592 or 9592 are encryption capable.
Hardware aes 256 can perform 10gbps without significant latency. Im curious to know what is the difference between them. The encryption dialog is an exchange of key information between the drive and the encryption key manager, in your case stenc. Implementing software or hardware encryption depends on cost and the required security. Hardware based encryption is the use of computer hardware to assist software, or sometimes replace software, in the process of data encryption. I use arcserve and so just for example with arcserve only the latest version 12. I have a memory stick with hardware encryption that i keep a load of tools and utilities on. Find answers to enabling native mode encryption on hps lto 4 drives from the.
Software encryption is readily available for all major operating systems and can protect data at rest, in transit, and. If your tapes were initially written to prior to using the encryption capability, the tapes can never be hardware encrypted. Find answers to enabling native mode encryption on hps lto. Enabling native mode encryption on hps lto4 drives. Either forego tape encryption until their backup software products are. When your files are encrypted, they are completely unreadable without the correct encryption key. Mar 21, 2016 hi, im aware of software encryption which can be enabled in the backup software but unfortunately we are using some older backup software and doesnt give an option for encryption. Seagate was the first disk drive manufacturers to enter the. For encryption security on usb flash drives, hard drives and solid state drives, two types of encryption methods are available. This edition of the best practice piece covers the differences between hardware based and software based encryption used to secure a usb drive. Hardware encryption for tape backup dell community. Tandberg data now has a solution to minimize these costs with fourth generation lto ultrium. Id love to get the communitys thoughts on bitlocker vs.
Difference between hardware implemented algorithm and software implemented one. The benefits of hardware encryption for secure usb drives. Hardware encryption is efficient due to the encryption function being offloaded to the drive from the cpu with little or no performance impact. People often ask me, when it comes to storage or dataatrest encryption, whats better, file system encryption fse which is done in software by the storage controller, or full disk encryption fde which is done in hardware via specialized self encrypting drives seds. Software encryption also reduces backup performance and media capacity, because software encrypted data cannot be fully compressed by the tape drive. Dec 15, 2017 hardware encryption must be established for each data path and is only available for data paths that direct data to tape libraries. Most major applications now have an option for enabling encryption. Im currently running bacula for my backups and its support for drive based encryption is i have to call a script or something to. Software full drive encryption page 2 fde performance comparison. The kingston best practice series is designed to help users of kingston products achieve the best possible user experience.
Lto4 hardware encryption best practices dynamic solutions. Speed of software encryption greatly depends on whether you have hardware acceleration for the method of encryption chosen. Hi nbu forum, ive got a client asking for either hardware software encryption for their tape backups, and the software they use is nbu. Applications such as backup software must be able to support the drives encryption. Bacula is not involved in hardware tape drive encryption. Tape device encryption provides security for data on individual tapes and protects sensitive. Hewlett packard enterprise, ibm, and quantum control the lto consortium, which directs development and manages licensing and certification of media and mechanism. Several tape drives like lto4 or higher support encryption of data on the tape drive. It is authenticated encryption that achieves very high speeds in hardware with low cost and low latency. Even if i had to do software encryption, that would be fine with me.
Hardware encryption provides considerably faster performance than software encryption. These tape drives provide the necessary controls to the backup applications to get the encryption capabilities as well as set the encryption properties on the drive. Encryption is never out of the spotlight in this industry, but the methods that businesses can deploy to encrypt their data are wideranging. The question is about how secure hardware software encryption is respectively. Our community of experts have been thoroughly vetted for. Typically, this is implemented as part of the processors instruction set.
Reverse engineering software implementations are more easily readable by adversaries and are therefore more susceptible to reverse. It is authenticated encryption that achieves very high speeds in hardware with. Quantums lto tape drives are easy to deploy and upgrade perfect for all storage environments. Total cost of ownership for full disk encryption fde, sponsored by winmagic and independently conducted by ponemon institute published in july 2012, the purpose of this. Media native capacity the hp lto4 drive with lto4 media can store up to 800 gb of data. Basically, aes 256 is available as software or hardware implementation. For a number of reasons i have been trying to find a way to encrypt my backup tapes. Ibm system storage tape encryption solutions ibm redbooks. Dpm tape encryption and compression solutions experts. What is the difference between hardware vs softwarebased. Sep sesam provides native support for managing the lto hardware based encryption by enabling the lto encryption of tape drives on a media pool level.
A quick benchmark of aespipe on i7 cpu gives an impression on. Hewlett packard enterprise, ibm, and quantum control the lto consortium, which directs development and manages licensing and certification of media and mechanism manufacturers. But if consistent high throughput, low latency and security are key issues, then dedicated, optimised hardware based encryption is superior to software based encryption. To perform hardware encryption, the tape drives must be encryption enabled. How secure is hardware full disk encryption fde for ssd. The ibm ts1040 lto 4 and later tape drives can also encrypt data as it is. For the hardware based product tests, we chose seagate technologies selfencrypting drives. Encryption capability means that they are functionally capable of performing hardware encryption, but this capability is not yet activated. Several tape drives like lto4 or higher support encryption of data on. Linear tapeopen lto is a magnetic tape data storage technology originally developed in the late 1990s as an open standards alternative to the proprietary magnetic tape formats that were available at the time. How secure is hardware full disk encryption fde for ssds. In the articles about cryptography i see the words hardware implemented and software implemented. Encryption is an incredibly important tool for keeping your data safe. Tivoli storage manager server support for lto4 drives and lto4 drive encryption is available beginning in interim fix 5.
Aes256gcm provides both data confidentiality and data integrity in a single, easytouse solution. The backup application needs to support hardware tape encryption. Software fde according to recent studies, as many as 10% of laptop computers are lost or stolen each year, and most of them contain sensitive, confidential data 1. Security implications of hardware vs software cryptographi. Tapebased encryption uses hardware on the drive itself, so encryption is. Software encryption is a policydriven, manageable solution that everyone has to get behind. Hardware encryption is safer than software encryption because the encryption process is separate from the rest of the machine. Tapelevel encryption allows administrators to better utilize capacity and performance by compressing files prior to encryption.
The hp lto4 can only use one encryption key at a time. Oct, 2014 if we are not to use symantec kms, how we should managed encryption keys. Brm4403 encryption has been disabled for backup item. I expect the lto aes encryption to be faster than software solutions. Hardware encryption is typically much less complex than similar software encryption. Software encryption utilizes server processor power, effectively reducing server performance. These tape drives provide the necessary controls to the backup.
The veeam encryption mechanism can only be used if hardware encryption is disabled at the tape device level or not supported. Several tape drives like lto4 support encryption of data on the tape drive. How to enable hardware encryption with the lto4 drives. Obviously, this depends on the individual application. When enabled, tivoli storage manager handles encrypting and decrypting data on tapes, according to specifications set when defining the device class. Lto generation 4 and higher includes the ability for data to be encrypted by the tape drive hardware. How to enable hardware encryption with the lto4 drives there are two hp supported hardware methods for enabling encryption. Ibm ts4300 tape library models with encryption, path. Find answers to dpm tape encryption and compression from the expert community at experts exchange. Hi nbu forum, ive got a client asking for either hardwaresoftware encryption for their tape backups, and the software they use is nbu. Quantums lto tape drives deliver fast, reliable data protection at an affordable price. Software encryption is software based, where the encryption of a drive is provided by external software to secure the data. This publication is intended for system programmers, storage administrators, hardware and software planners, and other it personnel involved in planning, implementing, and operating ibm tape data encryption solutions, and anyone seeking details about tape encryption. What advantages that symantec kms would give in manageing encryption keys with kms.
Hardware vs software daniel brecht contributing writer encryption is never out of the spotlight in this industry, but the methods that businesses can deploy to encrypt their data are wideranging. To my mind, id go with software encryption, but my questions are as follows. I have read their are 2 types of encryption, software and hardware so was hoping that the hardware encryption would be set independent of what backup software you use. Software full drive encryption page 3 seagate selfencrypting drives with wave systems embassy trusted drive manager.
Nov 27, 2018 hardware encryption allows you to encrypt data on tape drives that have builtin encryption capabilities. At the end of the record is a 16 byte tag which provides authentication. Typically, hardware encryption affects less than onepercent of tape drive. The ibm ts1040 lto 4 and later tape drives can also encrypt data as it is written to any lto 4 or later data cartridge. Often times, hardware encryption devices replace traditional passwords with biometric logons like fingerprints or a pin number that is entered on an attached keypad. Software cryptographic modules 2 hardwarebased solutions have the privilege of not being modifiable at any point, including during the powerup stages. How to enable hardware encryption with the lto4 dr. Hardwarebased encryption is the use of computer hardware to assist software, or sometimes replace software, in the process of data encryption. Comments off on hardware encryption vs software encryption. Can we use software encryption within nbu without licensing it. Software vs hardware encryption, whats better and why. This maximizes tape capacity, and increases backup performance plus puts less of a drain on host resources. Customers who need encryption but require the fastest backup speeds should plan to use the encryptioncapable tape hardware such as ts11xx and lto4lto5lto6lto7lto8 instead since it has very minimal performance degradation. The best software method is to use your backup application and an encryption key management option.
But if consistent high throughput, low latency and security are key issues, then dedicated, optimised hardwarebased encryption is superior to softwarebased encryption. All drives that are assigned to a logical library use the same method of encryption. Because of the potential vulnerabilities of software encryption, kanguru strictly uses 256bit aes hardware encryption for all kanguru defender secure usb flash drives, hard drives and solid state drives. How to use aes hardware encryption of lto tape drives on.
In order to use lto4 hardware encryption, each lto4 tape unit that will. How to use aes hardware encryption of lto tape drives on linux. Sponsored by seagate hardware versus software a usability comparison of softwarebased encryption with seagate drivetrust hardwarebased encryption a sans whitepaper september 2007 written by. When using hardware encryption, the encryption engine in lto4, lto5 or lto6 drives is used to encrypt the data using a key provided by the tape backup software or another external source. Lto drives use the 256bit advanced encryption standard with galoiscounter mod of operation or aes256gcm for short. I use it on quite a lot of computers so installing software on each of them to decrypt the contents would be a complete pita so the hardware handling the encryption works better for. Fantastic means of detecting bitrot and a good reason to always use hardware encryption, even with an insecure key it will beat any crc etc done in hardware or any software hashing you can throw at it. Hardware implementation allows for increased security and performance compared to software. For example, the aes encryption algorithm a modern cipher can be implemented using the aes instruction set on the ubiquitous x86 architecture. Hietala the business requirement for disk encryption barriers to widespread adoption of encryption softwarebased disk encryption hardware. Kangurus hardware encrypted drives contain an alwayson builtin random number generator that independently handles all of the security for the drive. Aug 21, 2017 comments off on hardware encryption vs software encryption. If we are not to use symantec kms, how we should managed encryption keys. The lto program created a competitive environment with multiple vendors offering.
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