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xtr
In cryptography, XTR is an algorithm for public-key encryption. XTR stands for 'ECSTR', which is an abbreviation for Efficient and Compact Subgroup Trace Representation. It is a method to represent elements of a subgroup of a multiplicative group of a finite field. To do so, it uses the trace over
G
F
(
p
2
)
{\displaystyle GF(p^{2})}
to represent elements of a subgroup of
G
F
(
p
6
)
∗
{\displaystyle GF(p^{6})^{*}}
.
From a security point of view, XTR relies on the difficulty of solving Discrete Logarithm related problems in the full multiplicative group of a finite field. Unlike many cryptographic protocols that are based on the generator of the full multiplicative group of a finite field, XTR uses the generator
g
{\displaystyle g}
of a relatively small subgroup of some prime order
q
{\displaystyle q}
of a subgroup of
G
F
(
p
6
)
∗
{\displaystyle GF(p^{6})^{*}}
. With the right choice of
q
{\displaystyle q}
, computing Discrete Logarithms in the group, generated by
g
{\displaystyle g}
, is, in general, as hard as it is in
G
F
(
p
6
)
∗
{\displaystyle GF(p^{6})^{*}}
and thus cryptographic applications of XTR use
G
F
(
p
2
)
{\displaystyle GF(p^{2})}
arithmetics while achieving full
G
F
(
p
6
)
{\displaystyle GF(p^{6})}
security leading to substantial savings both in communication and computational overhead without compromising security. Some other advantages of XTR are its fast key generation, small key sizes and speed.
Used with box and keys for box
26 in barrels with improved cylinder and improved modified fixed chokes
3 in chambers
Only trade interests are a super black eagle 3 with 3.5in chamber
$2500 obo transfer included at Al ammo llc
Call or text at 3609310464
Hey all have a Burris XTR III that came off my LMT MWS. Has minimal usage about 200 rounds. Comes with a Scalarworks 1.57 34mm mount.
Sold together:
$1650 shipped OBO
or if separate:
$1300 shipped for the scope
$350 shipped for the scalar mount
PayPal f&f preferred
Feel free to ask any...
For sale is my Burris XTR II 5-25x50mm Rifle Scope with 34mm Tube and illuminated SCR Mil Reticle. The scope is in near-mint condition as it was used only a few times in the field.
Asking $800; these sell new for $1000+. No trades. Located in Tigard. PM or text Charles for more pictures and...
Barely used (2 shooting trips) and mounted carefully with proper torque so as to not scratch the tube. Near perfect condition. Bought to get into precision rifle shooting comps. That never happened and now I have no time for it. Already sold the rifle, now selling the optic.
I have 2...
Selling a Burris XTR II 5-25x50 with FFP illuminated SCR reticle in MIL with everything it came with from the factory. $850 shipped
Or I also have a certificate for a brand new XTR II 5-25 in MIL or MOA for $800 ($500 for the certificate and you pay Burris $300) **SOLD**
selling a Burris xtr II 25x scope, Perfect scope for a prs competitor or long range coyote sniping. milradian and has the best scr mil completion reticle, illuminated. Priced to sell $875.00
Scopeis comparible to nightforce shv, vortex viper pst, leuplod lrp.
Have had this for a couple years with the intention of it being my elk rifle or my “if i ever go to alaska” but i have other rifles i like more. In beautiful shape and shoots excellent, fairly mild for the cartridge. Comes with a nikon monarch 2.5-10 in leupold mounts. Have some ammo and brass...
I got this beauty about a year ago, and I can't get myself to shoot it. I have a beater shotgun that gets all the love, and this one just sits. I did fire 2 rounds through it test function (fantastic trigger pull); other than that it has been unused by me, and it looks like it has been unused...
Up for sale or trade is an 80s Winchester model 70 xtr in 270 with leupold rings and bases. keeping the scope unless otherwise negotiated. bluing is still very strong but does show wear especially at the muzzle. but no rust. stock also has marks as well. 425$ without scope. 450$ with it. trades...
SOLD and thank you to all that viewed and especially the purchaser
Burris XTR II 5-25x50 SCR Mil Riflescope $775
Like New, has only been shot from a bench
I had it on a Tikka TX3 Tac A1 6.5CM for less than 40 rds
Manufacturer suggested retail price $1319-$1559
Cheapest current on-line...
That's right, a BRAND NEW, Never-been-fired (except maybe at the factory) Winchester 9422 XTR. Not a lot I can say about it, condition-wise; brand new is brand new!! The stock is beautiful. Serial number dates it to 1981. Still in its original box, although the box isn't much to write home...
Burris Signature XTR Rings:
Model# 420232, 1" rings, 1.25" height, LNIB was test fitted with scope onto a rifle but never shot. Price is $60.00, willing to ship.
Model# 420231, 1" rings, 1" height, NIB with factory zip tie. Price is $60.00, willing to ship.
Viper PST 1-4. Like new condition, only sign of use is a very small nick on the illumination cap. Includes original box and everything that comes with when new. $350 firm.
AD Recon 30 STD mount. Like new, includes original box/wrench/manual. $100 WITH PURCHASE of PST, will not sell seperate...
Selling an extra set of Burris XTR 30mm medium height rings. Accidentally bought a second set of these that I don’t need. Still sealed in the plastic. Paid $65 for them. Will take $40.