“Refund was approved and back in my account the same day.” - Deliver+ customer
If youre browsing the web, using public APIs, making and receiving electronic payments, registering and logging in users, or experimenting with blockchain, youre relying on cryptography. And youre probably trusting a collection of tools, frameworks, and protocols to keep your data, users, and business safe. Its important to understand these tools so you can make the best decisions about how, where, and why to use them. RealWorld Cryptography teaches you applied cryptographic techniques to understand and apply security at every level of your systems and applications. about the technologyCryptography is the foundation of information security. This simultaneously ancient and emerging science is based on encryption and secure communication using algorithms that are hard to crack even for highpowered computer systems. Cryptography protects privacy, secures online activity, and defends confidential information, such as credit cards, from attackers and thieves. Without cryptographic techniques allowing for easy encrypting and decrypting of data, almost all IT infrastructure would be vulnerable. about the book RealWorld Cryptography helps you understand the cryptographic techniques at work in common tools, frameworks, and protocols so you can make excellent security choices for your systems and applications. Theres no unnecessary theory or jargonjust the most uptodate techniques youll need in your daytoday work as a developer or systems administrator. Cryptography expert David...
Binding: Paperback;416 pages; Publisher: Manning Publications; Classification: GPJ; Weight: 834 g; Dimensions: 187 x 234 x 28
Free Delivery For A Year With Unlimited Delivery
Super Saver Delivery
£2.99
Standard Delivery
£3.99
Express Delivery
£5.99
Next Day Delivery
£6.99
24/7 InPost Locker | Shop Collect
£2.49
Evri ParcelShop
£3.99
Evri ParcelShop | Next Day Delivery
£5.99
Premium DPD Next Day Delivery
£6.99
Bulky Item Delivery
£4.99
Northern Ireland Super Saver Delivery
£2.99
Northern Ireland Standard Delivery
£4.99
Northern Ireland Express Delivery
£5.99
Unlimited Delivery
£10
Please note, some delivery methods are not available for products delivered by our brand partners & they may have longer delivery times.
Something not quite right? You have 21 days from the day you receive it, to send something back. When you purchase Debenhams Deliver+, you will have an extra 14 days on top of our standard 21-day window to initate a return.
Please note, we cannot offer refunds on fashion face masks, cosmetics, pierced jewellery, adult toys, and swimwear or lingerie if the hygiene seal is not in place or has been broken.
Items of footwear and/or clothing must be unworn and unwashed with the original labels attached. Also, footwear must be tried on indoors. Items of homeware including bedlinen, mattresses, and toppers, and pillows must be unused and in their original unopened packaging. This does not affect your statutory rights.
Click here to view our full Returns Policy.
If youre browsing the web, using public APIs, making and receiving electronic payments, registering and logging in users, or experimenting with blockchain, youre relying on cryptography. And youre probably trusting a collection of tools, frameworks, and protocols to keep your data, users, and business safe. Its important to understand these tools so you can make the best decisions about how, where, and why to use them. RealWorld Cryptography teaches you applied cryptographic techniques to understand and apply security at every level of your systems and applications. about the technologyCryptography is the foundation of information security. This simultaneously ancient and emerging science is based on encryption and secure communication using algorithms that are hard to crack even for highpowered computer systems. Cryptography protects privacy, secures online activity, and defends confidential information, such as credit cards, from attackers and thieves. Without cryptographic techniques allowing for easy encrypting and decrypting of data, almost all IT infrastructure would be vulnerable. about the book RealWorld Cryptography helps you understand the cryptographic techniques at work in common tools, frameworks, and protocols so you can make excellent security choices for your systems and applications. Theres no unnecessary theory or jargonjust the most uptodate techniques youll need in your daytoday work as a developer or systems administrator. Cryptography expert David...
Binding: Paperback;416 pages; Publisher: Manning Publications; Classification: GPJ; Weight: 834 g; Dimensions: 187 x 234 x 28
Free Delivery For A Year With Unlimited Delivery
Super Saver Delivery
£2.99
Standard Delivery
£3.99
Express Delivery
£5.99
Next Day Delivery
£6.99
24/7 InPost Locker | Shop Collect
£2.49
Evri ParcelShop
£3.99
Evri ParcelShop | Next Day Delivery
£5.99
Premium DPD Next Day Delivery
£6.99
Bulky Item Delivery
£4.99
Northern Ireland Super Saver Delivery
£2.99
Northern Ireland Standard Delivery
£4.99
Northern Ireland Express Delivery
£5.99
Unlimited Delivery
£10
Please note, some delivery methods are not available for products delivered by our brand partners & they may have longer delivery times.
Something not quite right? You have 21 days from the day you receive it, to send something back. When you purchase Debenhams Deliver+, you will have an extra 14 days on top of our standard 21-day window to initate a return.
Please note, we cannot offer refunds on fashion face masks, cosmetics, pierced jewellery, adult toys, and swimwear or lingerie if the hygiene seal is not in place or has been broken.
Items of footwear and/or clothing must be unworn and unwashed with the original labels attached. Also, footwear must be tried on indoors. Items of homeware including bedlinen, mattresses, and toppers, and pillows must be unused and in their original unopened packaging. This does not affect your statutory rights.
Click here to view our full Returns Policy.
“Refund was approved and back in my account the same day.” - Deliver+ customer
Extend your warranty and protect your purchase against accidental damage and defects.
Protects your new Real-World Cryptography Paperback Book against breakdowns and faults once the manufacturer's warranty period is over.
Covers issues not included in your manufacturer's warranty, such as accidental damage or theft.
Get a replacement or a cash refund up to the full amount you originally paid for it.
FAQs
XCover is an authorised protection provider for Debenhams, with over 7 million customers globally and an average 4.7 out of 5 stars from thousands of reviews on Google and Trustpilot. XCover's simple, fast and stress-free repair and replacement process delivers peace of mind if your item is stolen or it has damages or defects that aren't covered by the manufacturer's warranty.
XCover's simple, fast and stress-free repair and replacement process delivers peace of mind if your item is stolen or has damages or defects that aren't covered by the manufacturer's warranty. XCover’s easy, digital process is simple with quick payouts on approved claims.
Before submitting a claim, you need to gather all the details and documents to support your claim. This helpful article has a guide to what documents you may need based on your claim reason.
When you're ready to submit your claim, log in to your XCover Account, select the XCover Protection you would like to claim for and then select ‘Make a Claim’.
The XCover claims process is quick and hassle-free, with payment or reimbursement for approved claims processed instantly. The dedicated team at XCover aims to complete 95% of claims within 3 days of claim submission, so keep a close eye on your emails to ensure there’s no delay.
For more information about claims submission, please check XCover Help.