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[Mbed-tls-announce] Mbed TLS 3.6.4 Released

by Minos Galanakis via Mbed-tls-announce

Hi Mbed TLS users, We have released Mbed TLS versions 3.6.4. These releases of Mbed TLS address several security issues, provide bug fixes, and bring other minor changes. Full details are available in the release notes (https://github.com/Mbed-TLS/mbedtls/releases/tag/mbedtls-3.6.4). We recommend all users to consider whether they are impacted, and to upgrade appropriately. IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you. -- Mbed-tls-announce mailing list -- mbed-tls-announce(a)lists.trustedfirmware.org To unsubscribe send an email to mbed-tls-announce-leave(a)lists.trustedfirmware.org

2 months, 1 week

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imx-secure-enclave with mbedtls 2.28.9

by kavitha bk

Hi We are using mbedtls 2.28.9 and want to offload crypto operations to HSM from NXP imx-secure-enclave. is the below approach correct or please suggest alternate approaches if any? 1.Transition all apis from traditional apis to psa in modules Use PSA crypto module https://github.com/Mbed-TLS/mbedtls/blob/development/docs/psa-transition.md 2. Integrate PSA module with imx-secure-enclave in our custom mbedtls 3. All modules will use custom mbedtls which will internally offload crypto operations to HSM or Do you recommend to use MBEDTLS_PK_RSA_ALT_SUPPORT? and implement the key creation/signing/export of public key operations ? Thanks, Kavitha

2 months, 4 weeks

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Mbed TLS information request

by Solis, Hector

Hi! We are working with Mbed TLS 3.6.0 library and need the following information: 1. Is there any End-Of-Life date planned for this library? 2. What is the current version? 3. How can we obtain support for the library enquiries? Does this support has a cost? 4. How is the library update? Does this update has a cost? 5. Are this library Open Source? Thanks in advance for your help! 🙂 Have a great day! Héctor J. Solís Castillo Embedded Engr I Honeywell | HTS Building Automation 990, Av. Eje 5 Norte, Mexico City CDMX hectorjose.solis(a)honeywell.com<mailto:hectorjose.solis@honeywell.com> honeywell.com<http://www.honeywell.com/> Pronouns: He/Him<https://www.mypronouns.org/what-and-why>

3 months

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Question about partial certificate chains

by Roman Janota

Hello, I have the following two certificate chains: server <- intermediateCA <- rootCA and client <- intermediateCA <- rootCA. Currently there are two ways the client is authenticated by the server: both the intermediateCA and rootCA certificates are configured as CAs on the server or if only intermediateCA is configured. I am using a custom verify callback set by mbedtls_ssl_conf_verify(). I would like to achieve two separate cases: 1) Make the MbedTLS' built-in pre-verify be successful, even when only the rootCA certificate is set as the server's CA. 2) Always obtain the whole certificate chain up to the root in the verify callback. For case 1) this is how our OpenSSL TLS implementation works, it is discussed here <https://github.com/openssl/openssl/issues/7871>. From my understanding the server should be able to build the certificate chain by inquiring the client about its certificate's issuer, etc. For case 2), whenever both rootCA and intermediateCA are configured on the server, only the chain client <- intermediateCA is received by the callback. I would like to be able to receive the chain client <- intermediateCA <- rootCA. Are these two cases achievable with mbedTLS? For reference I am using mbedTLS 3.5.2. For my server I would like to utilize both cases 1) and 2) and for the client only the case 1). Kind regards, Roman Janota

3 months

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PSA Crypto API version compliance

by Zak, Kevin

Hello, I notice in 'crypto.h' of mbedTLS 3.6.3, PSA_CRYPTO_API_VERSION_MAJOR & PSA_CRYPTO_API_VERSION_MINOR show the version implemented as v1.0. Per the github page of TF-PSA-Crypto (https://github.com/Mbed-TLS/TF-PSA-Crypto/blob/development/README.md), the implementation is of v1.1. I verified that this mismatch between the README and crypto.h exists on the development branch of TF-PSA-Crypto as well. What is the correct version implemented, as of mbedTLS 3.6.3? Regards, Kevin

3 months, 2 weeks

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(no subject)

by Steve Glass

Hi, I'm trying to build the mbedtls v3.6.3 for an embedded 386 device. The build is configured as `crypto_baremetal`. In the snippet below I use the make build process with a GCC 11.2 cross toolchain that's installed in `/opt/x-tools/i386-elf but the build process ends with an error: ``` (venv) dev [ /workspaces/mbedtls ]$ make CC=/opt/x-tools/i386-elf/bin/i386-elf-gcc AR=/opt/x-tools/i386-elf/bin/i386-elf-ar make[1]: Entering directory '/workspaces/mbedtls/library' CC aes.c CC aesni.c CC aesce.c ... CC src/certs.c CC src/psa_test_wrappers.c CC src/test_helpers/ssl_helpers.c make[1]: Leaving directory '/workspaces/mbedtls/tests' make[1]: Entering directory '/workspaces/mbedtls/programs' CC aes/crypt_and_hash.c /opt/x-tools/i386-elf/lib/gcc/i386-elf/11.2.0/../../../../i386-elf/bin/ld: cannot find crt0.o: No such file or directory collect2: error: ld returned 1 exit status make[1]: *** [Makefile:160: aes/crypt_and_hash] Error 1 make[1]: Leaving directory '/workspaces/mbedtls/programs' make: *** [Makefile:34: programs] Error 2 (venv) dev [ /workspaces/mbedtls ]$ ``` So I have two questions: This error says it fails to link find crt0.o but the output (library/libmbedcrypto.a) exists and looks ok (altho I've yet to try linking against it). Is the error message spurious or is the library it produced unusable? Do I really need a version of crt0.o to link successfully? (The same configuration builds with no errors using the host's x64 compiler toolchain - and that toolchain also doesn't have a crt0.o file). Thanks in advance!

3 months, 2 weeks

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Any plan for a Java Binding ?

by Simon Bernard

Hi, I'm the main developer of Leshan Library. This is a Java open source implementation of LWM2M protocol hosted at Eclipse Foundation. We currently use Scandium (from Californium Project) as DTLS library. This library fits our needs until now but we have some concerns about future-proofness of it (Especially, there is no plan for DTLS 1.3) and there is no support of TLS. So we explore some other way for the future. I had consider to use OpenJdk but there is a lot of missing IoT Features. I contact OpenJdk security dev and they makes me understand politely that IoT is not the priority (at least this is my understanding) Another solution we explore would be to use an mbedtls Java binding. (as mbedtls is well supported and focus IoT) There is a not official one at : https://github.com/open-coap/kotlin-mbedtls *Questions : * 1. Is there any official java binding ? 2. If no, is there any plan for that kind of binding ? 3. If no, if there is a community initiative could it be hosted by you ? Thx, Simon

3 months, 2 weeks

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Invitation: MBed-TLS Technical Forum - Asia @ Every 4 weeks from 10am to 10:50am on Monday (GMT) (mbed-tls@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 mbed-tls(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, 3 weeks

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Invitation: MBed-TLS Technical Forum - Asia @ Every 4 weeks from 10am to 10:50am on Monday (BST) (mbed-tls@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 mbed-tls(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, 3 weeks

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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) (mbed-tls@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 mbed-tls(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, 3 weeks

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