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@jtk@infosec.exchange
2026-03-13 20:34:06

Weekend Reads
* Post-quantum RPKI framework
arxiv.org/abs/2603.06968
* DNSSEC negative trust anchors

pqRPKI: A Practical RPKI Architecture for the Post-Quantum Era
The Resource Public Key Infrastructure (RPKI) secures Internet routing by binding IP prefixes to authorized Autonomous Systems, yet its RSA foundations are vulnerable to quantum adversaries. A naive swap to post-quantum (PQ) signatures (eg Falcon) is a poor fit for RPKI's bulk model: every relying party (RP) repeatedly fetches and validates the entire global repository, so larger keys and signatures inflate bandwidth and CPU cost, especially during a long dual-stack transition. We present pqRPK…

@leftsidestory@mstdn.social
2026-03-06 00:30:00

Sickly Red IV ⭕️
病态的红 IV ⭕️
📷 Pentax MX
🎞️ CineStill 800T
If you like my work, buy me a coffee from PayPal #filmphotography …

CineStill 800T (FF) English Alt Text A nighttime urban scene beneath an overpass, illuminated by colorful lights from traffic signals and vendor carts. Several street food stalls are set up, one glowing brightly with white and orange light. A few people stand nearby, including someone wearing a face mask. A blue bilingual street sign reading “GUANGOU Rd” hangs overhead. Light flares, reflections, and shadows create a vivid, cinematic atmosphere. 中文替代文字 夜间的城市街景位于高架桥下，由交通灯和小吃摊的彩色灯光照亮。多辆小推车式的街头摊位…
CineStill 800T (FF) English Alt Text A brightly lit gas station at night with a wide canopy covering several fuel pumps. A person stands beside one of the pumps, and the wet ground reflects the strong white and yellow lights. Behind the pumps is a building with illuminated Chinese signage, likely a service or repair center. One vehicle is parked outside while another is being serviced inside the open garage. Traffic cones and barriers guide cars through the area. The overall scene feels quiet,…
CineStill 800T (FF) English Alt Text A row of automated subway turnstiles indoors, each displaying a red “X” indicating they are not in service. Above them is a large illuminated display showing a scenic image of a bridge with green downward arrows. To the right, a sign provides assistance information in Chinese and English, including a phone number. The station appears clean and quiet, with no passengers visible. 中文替代文字 一排地铁闸机整齐排列在室内，每个闸机上方都亮着红色“X”，表示暂不可通行。闸机上方是一块大型发光屏幕，显示着一幅桥梁风景图，并配有绿色向下箭头。右…
CineStill 800T (FF) English Alt Text A small convenience store at night with a bright red-and-white sign above the entrance. A red Coca‑Cola refrigerator stands outside, glowing with interior light and filled with visible bottles. Crates and green glass bottles sit near the doorway. A tree trunk partially blocks the view in the foreground. To the right, a yellow utility vehicle and several benches or tables are dimly lit. The surrounding street is dark except for the store’s lights, giving the…
@leftsidestory@mstdn.social
2026-02-18 00:30:00

Different Corners X ▶️
不同的角落 X ▶️
📷 Nikon F4E
🎞️ Rollei RPX 400
#filmphotography #Photography #blackandwhite

Rollei RPX 400 (FF) English Alt Text A black‑and‑white close‑up of a metal fence with vertical bars and small decorative leaf‑shaped ornaments attached to them. Strong sunlight casts sharp, repeating shadows of the fence onto a stone wall behind it. The wall is made of large rectangular blocks, and the contrast between the smooth metal and rough stone creates a rhythmic, geometric pattern. Chinese Alt Text 一张黑白特写照片，画面中是带有竖条和叶片状装饰的金属栅栏。强烈的阳光将栅栏的影子清晰地投射在后方的石墙上。石墙由大块矩形石块组成，金属的光滑质感与石头的粗糙纹理形成鲜明对比，呈…
Rollei RPX 400 (FF) English Alt Text A black‑and‑white street scene showing a person riding a bicycle along a marked bike lane. The lane is identified by a painted bicycle symbol on the asphalt. To the right is a tiled sidewalk, and part of a scooter or motorcycle appears in the upper corner. Shadows from nearby trees stretch across the road, creating layered patterns. Chinese Alt Text 一张黑白街景照片，一名骑自行车的人正沿着标有自行车符号的专用车道前行。右侧是铺有瓷砖的人行道，画面上方一角可见一辆摩托车或电动车的一部分。树木的影子横跨道路，形成层叠的光影效果。
Rollei RPX 400 (FF) English Alt Text A black‑and‑white image of a woman standing beside a metal gate with a crisscross pattern. The gate casts dramatic, angular shadows on the wall behind it. The woman stands on the right side, facing away, with one hand resting on her head. She wears a plaid jacket, and behind the gate are posters with numbers and text. The center of the gate is bent inward, forming a heart‑like shape. Chinese Alt Text 一张黑白照片，一名女子站在带有交叉图案的金属门旁。金属门在后方墙面上投下强烈而锐利的阴影。女子位于画面右侧，背对镜…
Rollei RPX 400 (FF) English Alt Text A black‑and‑white photograph of a small repair shop tucked into a narrow alley. A leafy tree partially hides the shop entrance. A bicycle with a front basket is parked outside, and various tools and items are visible inside the dim shop. The building has a brick wall and a window with a decorative frame. A sign with Chinese characters meaning “vehicle repair” hangs at the entrance. Chinese Alt Text 一张黑白照片，展示一间位于狭窄巷子里的小修理铺。茂密的树叶部分遮住店门口。店外停着一辆带前篮的自行车，店内昏暗处可见一些…