- psa-crypto - lists.trustedfirmware.org

by Michael Richardson

If you are among those who would like to use PSA from RUST, then you probably know about: https://github.com/parallaxsecond/rust-psa-crypto and https://github.com/fortanix/rust-mbedtls One is relatively up-to-date with MBEDTLS 3.x, and does not (I think) have thread issues. But, pretty difficult to use beyond crypto operations. The other is idiomatic RUST and is a pleasure to use, but ran into thread safety issues with MBEDTLS 3.x, and abandonned that work when it was realized that even a big-lock couldn't make it work. MBEDTLS/PSA is mostly the best choice for embedded OSs like RIOT-OS, Ariel. I think FreeRTOS and Zephyr use it as well. This good fit is due to the excellent offloading of operations to specialized hardware. I realize that this isn't an ARM/PSA problem exactly. I'm hoping, though, to collect interested parties towards finding a solution going forward. Should we use this list? Or make a new one?

4 weeks, 1 day

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PSA and RUST

by Michael Richardson

If you are among those who would like to use PSA from RUST, then you probably know about: https://github.com/parallaxsecond/rust-psa-crypto and https://github.com/fortanix/rust-mbedtls One is relatively up-to-date with MBEDTLS 3.x, and does not (I think) have thread issues. But, pretty difficult to use beyond crypto operations. The other is idiomatic RUST and is a pleasure to use, but ran into thread safety issues with MBEDTLS 3.x, and abandonned that work when it was realized that even a big-lock couldn't make it work. MBEDTLS/PSA is mostly the best choice for embedded OSs like RIOT-OS, Ariel. I think FreeRTOS and Zephyr use it as well. This good fit is due to the excellent offloading of operations to specialized hardware. I realize that this isn't an ARM/PSA problem exactly. I'm hoping, though, to collect interested parties towards finding a solution going forward. Should we use this list? Or make a new one? -- Michael Richardson <mcr+IETF(a)sandelman.ca> . o O ( IPv6 IøT consulting ) Sandelman Software Works Inc, Ottawa and Worldwide

4 weeks, 1 day

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Question about tag names

by Andrea Pappacoda

Hi! I'm looking into packaging the TF-PSA-Crypto library in Debian for the upcoming MbedTLS 4.0.0 release. I've noticed that there are two (identical?) tags for version 1.0.0-beta: tf-psa-crypto-1.0.0-beta and v1.0.0-beta. Maybe it is a dumb question, but: which of the two tags am I supposed to use? Which of the two forms should I "watch" for updates? Also: why are there two identical tags in the first place? This also happens with MbedTLS! Curious to know, bye :)

4 weeks, 1 day

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Re: MBed-TLS Technical Forum - Asia

by Gilles Peskine

Hello, Due to holidays, Arm will be unable to host a meeting on 14 July 2025. Slides are available at https://github.com/TrustedFirmwareWebsite/website/pull/652/files#diff-ee947… and will be on the archive web site shortly. Short summary of the past 2 weeks: the 3.6.4 release is out. We are now focusing on the last tasks for the 1.0/4.0 big release at end of Q3. Best regards, -- Gilles Peskine Mbed TLS developer and PSA Crypto architect ________________________________ From: Trusted Firmware Public Meetings Sent: 21 May 2025 14:56 To: Trusted Firmware Public Meetings <linaro.org_havjv2figrh5egaiurb229pd8c(a)group.calendar.google.com>; mbed-tls(a)lists.trustedfirmware.org <mbed-tls(a)lists.trustedfirmware.org>; psa-crypto(a)lists.trustedfirmware.org <psa-crypto(a)lists.trustedfirmware.org> Subject: MBed-TLS Technical Forum - Asia When: 14 July 2025 11:00-11:50. Where: Trusted Firmware is inviting you to a scheduled Zoom meeting. Topic: MBed-TLS Technical Forum - Asia Time: Jun 16, 2025 10:00 AM London Every 4 weeks on Mon, 39 occurrence(s) Please download and import the following iCalendar (.ics) files to your calendar system. Weekly: https://linaro-org.zoom.us/meeting/tJMqcuGuqDotGtIbACm498ytl0ZhydWKdu1b/ics…<https://www.google.com/url?q=https%3A%2F%2Flinaro-org.zoom.us%2Fmeeting%2Ft…> Join Zoom Meeting https://linaro-org.zoom.us/j/97758661706?pwd=baMjUvnWbY20z3ignQca7QVahhozkI…<https://www.google.com/url?q=https%3A%2F%2Flinaro-org.zoom.us%2Fj%2F9775866…> Meeting ID: 977 5866 1706 Passcode: 577208 --- One tap mobile +16892781000,,97758661706# US +17193594580,,97758661706# US --- Dial by your location • +1 689 278 1000 US • +1 719 359 4580 US • +1 253 205 0468 US • +1 253 215 8782 US (Tacoma) • +1 301 715 8592 US (Washington DC) • +1 305 224 1968 US • +1 309 205 3325 US • +1 312 626 6799 US (Chicago) • +1 346 248 7799 US (Houston) • +1 360 209 5623 US • +1 386 347 5053 US • +1 507 473 4847 US • +1 564 217 2000 US • +1 646 558 8656 US (New York) • +1 646 931 3860 US • +1 669 444 9171 US • +1 669 900 9128 US (San Jose) • 833 548 0282 US Toll-free • 833 928 4608 US Toll-free • 833 928 4609 US Toll-free • 833 928 4610 US Toll-free • 877 853 5247 US Toll-free • 888 788 0099 US Toll-free • 833 548 0276 US Toll-free Meeting ID: 977 5866 1706 Find your local number: https://linaro-org.zoom.us/u/acdtApJNbc<https://www.google.com/url?q=https%3A%2F%2Flinaro-org.zoom.us%2Fu%2FacdtApJ…> When Every 4 weeks from 10am to 10:50am on Monday (United Kingdom Time) Guests mbed-tls(a)lists.trustedfirmware.org<mailto:mbed-tls@lists.trustedfirmware.org> psa-crypto(a)lists.trustedfirmware.org<mailto:psa-crypto@lists.trustedfirmware.org> View all guest info<https://calendar.google.com/calendar/event?action=VIEW&eid=NjI4c3NnYjFoZHRh…> RSVP for psa-crypto(a)lists.trustedfirmware.org<mailto:psa-crypto@lists.trustedfirmware.org> for all events in this series Yes<https://calendar.google.com/calendar/event?action=RESPOND&eid=NjI4c3NnYjFoZ…> No<https://calendar.google.com/calendar/event?action=RESPOND&eid=NjI4c3NnYjFoZ…> Maybe<https://calendar.google.com/calendar/event?action=RESPOND&eid=NjI4c3NnYjFoZ…> More options<https://calendar.google.com/calendar/event?action=VIEW&eid=NjI4c3NnYjFoZHRh…> Invitation from Google Calendar<https://calendar.google.com/calendar/> You are receiving this email because you are an attendee on the event. Forwarding this invitation could allow any recipient to send a response to the organizer, be added to the guest list, invite others regardless of their own invitation status, or modify your RSVP. Learn more<https://support.google.com/calendar/answer/37135#forwarding>

1 month, 2 weeks

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Invitation: MBed-TLS Technical Forum - Asia @ Every 4 weeks from 10am to 10:50am on Monday (BST) (psa-crypto@lists.trustedfirmware.org)

by Shaun Longhorn

MBed-TLS Technical Forum - Asia Every 4 weeks from 10am to 10:50am on Monday United Kingdom Time Trusted Firmware is inviting you to a scheduled Zoom meeting.Topic: MBed-TLS Technical Forum - AsiaTime: Jun 16, 2025 10:00 AM London Every 4 weeks on Mon, 39 occurrence(s)Please download and import the following iCalendar (.ics) files to your calendar system.Weekly: https://linaro-org.zoom.us/meeting/tJMqcuGuqDotGtIbACm498ytl0ZhydWKdu1b/ics… Zoom Meetinghttps://linaro-org.zoom.us/j/97758661706?pwd=baMjUvnWbY20z3ignQca7QVahhozkI.1Meeting ID: 977 5866 1706Passcode: 577208---One tap mobile+16892781000,,97758661706# US+17193594580,,97758661706# US---Dial by your location• +1 689 278 1000 US• +1 719 359 4580 US• +1 253 205 0468 US• +1 253 215 8782 US (Tacoma)• +1 301 715 8592 US (Washington DC)• +1 305 224 1968 US• +1 309 205 3325 US• +1 312 626 6799 US (Chicago)• +1 346 248 7799 US (Houston)• +1 360 209 5623 US• +1 386 347 5053 US• +1 507 473 4847 US• +1 564 217 2000 US• +1 646 558 8656 US (New York)• +1 646 931 3860 US• +1 669 444 9171 US• +1 669 900 9128 US (San Jose)• 833 548 0282 US Toll-free• 833 928 4608 US Toll-free• 833 928 4609 US Toll-free• 833 928 4610 US Toll-free• 877 853 5247 US Toll-free• 888 788 0099 US Toll-free• 833 548 0276 US Toll-freeMeeting ID: 977 5866 1706Find your local number: https://linaro-org.zoom.us/u/acdtApJNbc Guests mbed-tls(a)lists.trustedfirmware.org psa-crypto(a)lists.trustedfirmware.org View all guest info https://calendar.google.com/calendar/event?action=VIEW&eid=NjI4c3NnYjFoZHRh… Reply for psa-crypto(a)lists.trustedfirmware.org and view more details https://calendar.google.com/calendar/event?action=VIEW&eid=NjI4c3NnYjFoZHRh… Your attendance is optional. ~~//~~ Invitation from Google Calendar: https://calendar.google.com/calendar/ You are receiving this email because you are an attendee on the event. Forwarding this invitation could allow any recipient to send a response to the organizer, be added to the guest list, invite others regardless of their own invitation status, or modify your RSVP. Learn more https://support.google.com/calendar/answer/37135#forwarding

3 months, 1 week

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Invitation: MBed-TLS Technical Forum - Asia @ Every 4 weeks from 10am to 10:50am on Monday (GMT) (psa-crypto@lists.trustedfirmware.org)

by Shaun Longhorn

MBed-TLS Technical Forum - Asia Every 4 weeks from 10am to 10:50am on Monday United Kingdom Time Location https://linaro-org.zoom.us/j/99853938085?pwd=D3au597hb9J1veo1W74pIqkvY6VaDI… https://www.google.com/url?q=https%3A%2F%2Flinaro-org.zoom.us%2Fj%2F9985393… Join Zoom Meeting https://linaro-org.zoom.us/j/99853938085?pwd=D3au597hb9J1veo1W74pIqkvY6VaDI… Join by phone (US) +1 833-548-0282 passcode: 12278212 Joining instructions https://www.google.com/url?q=https://applications.zoom.us/addon/invitation/… Joining notes Meeting host: shaun.longhorn(a)linaro.org Join Zoom Meeting: https://linaro-org.zoom.us/j/99853938085?pwd=D3au597hb9J1veo1W74pIqkvY6VaDI… ──────────https://linaro-org.zoom.us/j/99853938085?pwd=D3au597hb9J1veo1W74pIqkvY6VaDI.1&jst=2Joining Instructions────────── Guests mbed-tls(a)lists.trustedfirmware.org psa-crypto(a)lists.trustedfirmware.org View all guest info https://calendar.google.com/calendar/event?action=VIEW&eid=NjI4c3NnYjFoZHRh… Reply for psa-crypto(a)lists.trustedfirmware.org and view more details https://calendar.google.com/calendar/event?action=VIEW&eid=NjI4c3NnYjFoZHRh… Your attendance is optional. ~~//~~ Invitation from Google Calendar: https://calendar.google.com/calendar/ You are receiving this email because you are an attendee on the event. Forwarding this invitation could allow any recipient to send a response to the organizer, be added to the guest list, invite others regardless of their own invitation status, or modify your RSVP. Learn more https://support.google.com/calendar/answer/37135#forwarding

3 months, 1 week

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Invitation: MBed-TLS Technical Forum - Asia @ Every 4 weeks from 10am to 10:50am on Monday from Mon 21 Apr to Sun 18 May (BST) (psa-crypto@lists.trustedfirmware.org)

by Shaun Longhorn

MBed-TLS Technical Forum - Asia Every 4 weeks from 10am to 10:50am on Monday from Monday 21 Apr to Sunday 18 May United Kingdom Time Location https://linaro-org.zoom.us/j/99853938085?pwd=D3au597hb9J1veo1W74pIqkvY6VaDI… https://www.google.com/url?q=https%3A%2F%2Flinaro-org.zoom.us%2Fj%2F9985393… Join Zoom Meeting https://linaro-org.zoom.us/j/99853938085?pwd=D3au597hb9J1veo1W74pIqkvY6VaDI… Join by phone (US) +1 833-548-0282 passcode: 12278212 Joining instructions https://www.google.com/url?q=https://applications.zoom.us/addon/invitation/… Joining notes Meeting host: shaun.longhorn(a)linaro.org Join Zoom Meeting: https://linaro-org.zoom.us/j/99853938085?pwd=D3au597hb9J1veo1W74pIqkvY6VaDI… ──────────https://linaro-org.zoom.us/j/99853938085?pwd=D3au597hb9J1veo1W74pIqkvY6VaDI.1&jst=2Joining Instructions────────── Guests mbed-tls(a)lists.trustedfirmware.org psa-crypto(a)lists.trustedfirmware.org View all guest info https://calendar.google.com/calendar/event?action=VIEW&eid=NjI4c3NnYjFoZHRh… Reply for psa-crypto(a)lists.trustedfirmware.org and view more details https://calendar.google.com/calendar/event?action=VIEW&eid=NjI4c3NnYjFoZHRh… Your attendance is optional. ~~//~~ Invitation from Google Calendar: https://calendar.google.com/calendar/ You are receiving this email because you are an attendee on the event. Forwarding this invitation could allow any recipient to send a response to the organizer, be added to the guest list, invite others regardless of their own invitation status, or modify your RSVP. Learn more https://support.google.com/calendar/answer/37135#forwarding

3 months, 1 week

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Mbed TLS 4.0/TF-PSA Crypto 1.0 release timeline

by Janos Follath

Dear Mbed TLS and PSA Crypto users, We would like to update you on the release timeline for Mbed TLS 4.0/TF-PSACrypto1.0 release. As a reminder, the key objectives of the release are a separate TF-PSA Crypto repo., PSA Crypto becoming the de facto Crypto API and Mbed TLS using PSA Crypto APIs as the crypto API by default. While TF-PSA Crypto repository is now available, the remaining effort to be ready for the release is more than we originally planned for. Based on remaining effort estimates, we plan to make Mbed TLS 4.0-Beta and TF-PSA Crypto 1.0-Beta release around end of June. The Mbed TLS 4.0, and TF-PSA Crypto 1.0 release is expected around end of September. We don’t expect users to integrate the Beta release. Beta is aimed to pipeclean the separate Mbed TLS and TF-PSA Crypto release process and get any early feedback. The release in September is expected to be integrated by users to their projects. We wanted to provide these revised release dates so that the users can plan accordingly. In the meantime, bug fixes and security fixes will continue to be provided via. Mbed TLS 3.6.x LTS releases. Thanks, Mbed TLS/PSA Crypto Maintainers.

6 months, 3 weeks

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TF-PSA-Crypto

by Janos Follath

Dear PSA Crypto users, Mbed TLS has contained the reference implementation of the PSA Crypto API since the early days of the standard. This implementation was experimental at first, but over years of development it reached maturity, and the experimental status was removed three years ago (in version 3.6.1.). Shortly after that, in 2022, the TF-PSA-Crypto<https://github.com/Mbed-TLS/TF-PSA-Crypto> repository was created just for the PSA Crypto API implementation to make it more accessible for users only interested in that. This repository was only a mirror of the main one and the development of the PSA Crypto API implementation remained integral part of Mbed TLS. In the background, work has been started to make this repository the place where the development of the PSA Crypto API reference implementation happens. This work has finally been completed and from now on TF-PSA-Crypto<https://github.com/Mbed-TLS/TF-PSA-Crypto> is ready to receive contributions, bug reports and enhancement requests. TF-PSA-Crypto<https://github.com/Mbed-TLS/TF-PSA-Crypto> will now be the development repository for the PSA Crypto reference implementation. Many thanks, Janos Follath TF PSA Crypto developer

8 months, 1 week

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Reminder: MBed TLS Tech Forum - US/Europe

by Don Harbin

Hi All, A gentle reminder that the US-Europe timezone-friendly MBed TLS Tech forum is next Monday at 4:30pm UK time. Invite details can be found on the online calendar here <https://www.trustedfirmware.org/meetings/>. If you have any topics, please let Janos know. :) Don

11 months, 2 weeks

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