[HN Gopher] SiFive Gives Its WorldGuard Security Model to the RI... ___________________________________________________________________ SiFive Gives Its WorldGuard Security Model to the RISC-V Community Author : hasheddan Score : 47 points Date : 2023-06-02 18:19 UTC (4 hours ago) (HTM) web link (www.allaboutcircuits.com) (TXT) w3m dump (www.allaboutcircuits.com) | ipodopt wrote: | I believe this is equivalent to Intel SGX. Having this open | source is encouraging. | hasheddan wrote: | Not specifically talking about WorldGuard, but this video | comparing Intel SGX, Arm TrustZone, and RISC-V PMP is quite | good: https://youtu.be/MREwcSo0uz4 | valianteffort wrote: | I'd like to get started with RISC-V chips. Can anyone reccommend | a good dev board similarly priced or spec'd to the Pi Pico? Would | be nice if the standalone SoC are easy to acquire as well. | | Which is the best cost wise? Which is the best performance wise? | Power consumption wise? | | I don't need WiFi/Bluetooth though it would be nice. Low cost is | preferrable over sheer performance. Ideally I get a fair amount | of GPIO (>30) and it supports 3V or 5V. | camel-cdr wrote: | I've been happy with my mango pi mq pro, but that might be more | powerful than what you are looking for. It's very similar to | the raspberry pi zero w. | hasheddan wrote: | I have really enjoyed the ESP32-C3 | (https://www.espressif.com/en/products/socs/esp32-c3) | | I have written a few posts that may help you get started with | it: - https://danielmangum.com/posts/risc-v-bytes-exploring- | custom... - https://danielmangum.com/posts/risc-v-bytes-zephyr- | on-esp32/ - https://danielmangum.com/posts/risc-v-bytes-zephyr- | before-ma... - https://danielmangum.com/posts/risc-v-bytes- | semihosting-zeph... | anotherhue wrote: | https://takahirox.github.io/riscv-rust/ | cwassert wrote: | Pine64 also has a RISC-V SBC. I like their products, but I did | not buy a Star64 yet. | | https://pine64.com/product-category/star64/ | freedomben wrote: | I don't know why this comment was dead. Pine64 is legit and | the Star64 looks like a viable option. | | Anyone with experience on the Star64? I've had some rough | times in the past with Pine64 products, from boards dying to | the pinebook pro suddenly unable to boot from sd card. Better | documentation would have helped. I didn't have hours to comb | through forums and discords/matrices. | | Still have a major warm place in my heart for Pine64 though, | and overall have felt like they're a good value. | genmud wrote: | WCH has a bunch of new ones that have come out recently, like | the CH32V003 and CH32V307 [1]. I would start there, they are | close enough and could probably run micropython since they have | some that have reasonable amounts of SRAM. | | I think they are mostly looking to replace STM32s though. | | [1] http://www.wch-ic.com/products/CH32V003.html | phendrenad2 wrote: | There seems to be a good explanation of WorldGuard here: | https://youtu.be/Pj4YHJjcjvI | exabrial wrote: | > In closed-source designs, the lack of access to information | acts as a barrier for adversaries | | ROFL. Acts as a barrier for script kiddies, until the tool is | released on Reddit, then you're just screwt. | cassonmars wrote: | They further elaborate that security by obscurity is a poor | approach though | halayli wrote: | > RISC-V benefits from a lack of obscurity in this sense since | there is more visibility into the system design, resulting in | more known and addressed vulnerabilities and hence a more | robust system. ___________________________________________________________________ (page generated 2023-06-02 23:00 UTC)