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Please, help me about Mbedtls_ssl_handshake return error -0x2700

by Dmitrij Shabroff

Hello. I am facing the issue of certificate verification error during handshake.The problem is described by me in the appropriate section of the forum. https://forums.mbed.com/t/mbedtls-failing-with-the-certificate-is-not-corre… Please help me figure it out - there is no one else to turn to. Sincerely, Shabrov Dmitry

4 years, 3 months

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Does MbedTLS provide paid tech support?

by Tom Zhu

We are interested in whether there are paid supports from MbedTLS regarding optimization on some ARM MCUs. If so, whom should we contact? Thanks! Tom

4 years, 3 months

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TLS 1.3 support

by Lukas Frei

Good morning, My team and me are starting a bigger project concerning object control on the rail. The security specifications shall use TLS version 1.3. I could read on some forums that you are actually working on it. Could I please get some information about the release date of it? If not provided soon we will be forced to switch to another library. Thanks a lot for your help. Best Regards, Lukas Frei Dipl. MSc Universität Bern und BFH in Biomedical Engineering Embedded Software Engineer CSA Engineering AG Hans Huber-Strasse 38 CH-4500 Solothurn Direkt +41 32 626 35 81 Telefon +41 32 626 35 55 Fax +41 32 626 35 50 mailto:lukas.frei@csa.ch https://www.csa.ch ________________________________ Confidentiality Note: This message is intended only for the use of the named recipient(s) and may contain confidential and/or privileged information. If you are not the/an intended recipient, please contact the sender and delete this message. Any unauthorized use of the information contained in this message is prohibited.

4 years, 4 months

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Now Im subscribe

by Dmitrij Shabroff

Good afternoon. I am a microcontroller product designer. I ported MBED TLS to STM 32L471 microcontroller. While I do not understand how can I use the certificate. My customer gave me a certificate in the form of a center2m.com.cer file. The file contains the 3 fields: -----BEGIN CERTIFICATE----- MIIGVzCCBT+gAwIBAgIMEnU/ ... -----END CERTIFICATE----- -----BEGIN CERTIFICATE----- MIIET ... -----END CERTIFICATE----- -----BEGIN CERTIFICATE----- MIDDX ... -----END CERTIFICATE----- tell me please, how to port my certificate to certs.c file. The question is which fields to insert where? Please help. No one can answer this question except you. Sincerely, development engineer, Shabrov Dmitrii

4 years, 4 months

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Next MBed TLS Tech Forum - Monday

by Don Harbin

Hi All, This is a gentle reminder that the next MBed TLS Tech forum is next Monday @10am UK time. Reminders: - This is the "Asia timezone friendly" session, but the session recording and supporting content are archived here <https://www.trustedfirmware.org/meetings/mbed-tls-technical-forum/>. - Dial-in details can be found in the online calendar <https://www.trustedfirmware.org/meetings/>. If you click on this event in the calendar, it also provides the option to add it to your personal calendar if you wish If anyone has topics you would like to see added to the agenda, please share and Dave and the team will work to get these onto the agenda. Best regards, Don

4 years, 4 months

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Tentative: MBed TLS Technical Forum - Asia

by Gergely Pintér

4 years, 4 months

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mbedtls handshake error

by MATRIX 小牧

Hello. I'm sorry for the sudden email. I have a question about mbedtls. Currently, HTTPS communication is performed by mbedtls with a microcomputer called esp32-wroom-32d. The following error occurs when validating the root certificate. --------------------------------------------- mbedtls: ssl_tls.c: 5808 x509_verify_cert () returned -12288 (-0x3000) --------------------------------------------- I can't find out the details even if I check the error code. Changing the certificate will eliminate the error. It has been confirmed that the certificate is legitimate and can be used. [SecurityCommunicationRootCA1.pem] ---- Success [SecurityCommunicationRootCA2.pem] ---- Failure I would like to have any information. Sorry for the unfamiliar English. I look forward to working with you. Komaki

4 years, 4 months

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Updated invitation: MBed TLS Technical Forum - Asia @ Every 4 weeks from 3am to 3:50am on Monday 17 times (MST) (mbed-tls@lists.trustedfirmware.org)

by don.harbin＠linaro.org

This event has been changed. Title: MBed TLS Technical Forum - Asia Trusted Firmware is inviting you to a scheduled Zoom meeting. Topic: MBed TLS Technical Forum - Asia Time: Nov 8, 2021 10:00 AM London Every 4 weeks on Mon, 20 occurrence(s) Nov 8, 2021 10:00 AM Dec 6, 2021 10:00 AM Jan 3, 2022 10:00 AM Jan 31, 2022 10:00 AM Feb 28, 2022 10:00 AM Mar 28, 2022 10:00 AM Apr 25, 2022 10:00 AM May 23, 2022 10:00 AM Jun 20, 2022 10:00 AM Jul 18, 2022 10:00 AM Aug 15, 2022 10:00 AM Sep 12, 2022 10:00 AM Oct 10, 2022 10:00 AM Nov 7, 2022 10:00 AM Dec 5, 2022 10:00 AM Jan 2, 2023 10:00 AM Jan 30, 2023 10:00 AM Feb 27, 2023 10:00 AM Mar 27, 2023 10:00 AM Apr 24, 2023 10:00 AM Please download and import the following iCalendar (.ics) files to your calendar system. Weekly: https://linaro-org.zoom.us/meeting/tJ0kc-GsqDktHNGa8CWl6wJ7je6CKD-5zgh8/ics… Join Zoom Meeting https://linaro-org.zoom.us/j/99948462765?pwd=SGlHYlF1Z2owUDNFWWppaGlSRDh5UT… Meeting ID: 999 4846 2765 Passcode: 196117 One tap mobile +12532158782,,99948462765# US (Tacoma) +13462487799,,99948462765# US (Houston) Dial by your location +1 253 215 8782 US (Tacoma) +1 346 248 7799 US (Houston) +1 669 900 9128 US (San Jose) +1 301 715 8592 US (Washington DC) +1 312 626 6799 US (Chicago) +1 646 558 8656 US (New York) 888 788 0099 US Toll-free 877 853 5247 US Toll-free Meeting ID: 999 4846 2765 Find your local number: https://linaro-org.zoom.us/u/anpWWkRdt When: Every 4 weeks from 3am to 3:50am on Monday 17 times Mountain Standard Time - Phoenix Calendar: mbed-tls(a)lists.trustedfirmware.org Who: * Don Harbin - creator * psa-crypto(a)lists.trustedfirmware.org * mbed-tls(a)lists.trustedfirmware.org * nnac123(a)gmail.com * santosdanillo(a)gmail.com Event details: https://calendar.google.com/calendar/event?action=VIEW&eid=MmU4dm1iNzJ0dmV1… Invitation from Google Calendar: https://calendar.google.com/calendar/ You are receiving this courtesy email at the account mbed-tls(a)lists.trustedfirmware.org because you are an attendee of this event. To stop receiving future updates for this event, decline this event. Alternatively you can sign up for a Google account at https://calendar.google.com/calendar/ and control your notification settings for your entire calendar. Forwarding this invitation could allow any recipient to send a response to the organizer and be added to the guest list, or invite others regardless of their own invitation status, or to modify your RSVP. Learn more at https://support.google.com/calendar/answer/37135#forwarding

4 years, 4 months

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Updated invitation: MBed TLS Technical Forum @ Every 4 weeks from 9:30am to 10:30am on Monday 17 times (MST) (mbed-tls@lists.trustedfirmware.org)

by don.harbin＠linaro.org

This event has been changed. Title: MBed TLS Technical Forum Trusted Firmware is inviting you to a scheduled Zoom meeting. Topic: MBed TLS Technical Forum Time: Oct 25, 2021 04:30 PM London Every 4 weeks on Mon, 20 occurrence(s) Oct 25, 2021 04:30 PM Nov 22, 2021 04:30 PM Dec 20, 2021 04:30 PM Jan 17, 2022 04:30 PM Feb 14, 2022 04:30 PM Mar 14, 2022 04:30 PM Apr 11, 2022 04:30 PM May 9, 2022 04:30 PM Jun 6, 2022 04:30 PM Jul 4, 2022 04:30 PM Aug 1, 2022 04:30 PM Aug 29, 2022 04:30 PM Sep 26, 2022 04:30 PM Oct 24, 2022 04:30 PM Nov 21, 2022 04:30 PM Dec 19, 2022 04:30 PM Jan 16, 2023 04:30 PM Feb 13, 2023 04:30 PM Mar 13, 2023 04:30 PM Apr 10, 2023 04:30 PM Please download and import the following iCalendar (.ics) files to your calendar system. Weekly: https://linaro-org.zoom.us/meeting/tJEkceuurT4sGdaksikbUn6FARB9Kuk3ac2o/ics… Join Zoom Meeting https://linaro-org.zoom.us/j/95962635632?pwd=STFkQVltejAzRDJ6NmoxZjhmZC9RUT… Meeting ID: 959 6263 5632 Passcode: 018366 One tap mobile +13462487799,,95962635632# US (Houston) +16699009128,,95962635632# US (San Jose) Dial by your location +1 346 248 7799 US (Houston) +1 669 900 9128 US (San Jose) +1 253 215 8782 US (Tacoma) +1 312 626 6799 US (Chicago) +1 646 558 8656 US (New York) +1 301 715 8592 US (Washington DC) 877 853 5247 US Toll-free 888 788 0099 US Toll-free Meeting ID: 959 6263 5632 Find your local number: https://linaro-org.zoom.us/u/aewUpnQu5y When: Every 4 weeks from 9:30am to 10:30am on Monday 17 times Mountain Standard Time - Phoenix Calendar: mbed-tls(a)lists.trustedfirmware.org Who: * Don Harbin - creator * psa-crypto(a)lists.trustedfirmware.org * mbed-tls(a)lists.trustedfirmware.org * nnac123(a)gmail.com Event details: https://calendar.google.com/calendar/event?action=VIEW&eid=NWdhMWpuZ2ZpdWNp… Invitation from Google Calendar: https://calendar.google.com/calendar/ You are receiving this courtesy email at the account mbed-tls(a)lists.trustedfirmware.org because you are an attendee of this event. To stop receiving future updates for this event, decline this event. Alternatively you can sign up for a Google account at https://calendar.google.com/calendar/ and control your notification settings for your entire calendar. Forwarding this invitation could allow any recipient to send a response to the organizer and be added to the guest list, or invite others regardless of their own invitation status, or to modify your RSVP. Learn more at https://support.google.com/calendar/answer/37135#forwarding

4 years, 4 months

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Entropy PSA Crypto driver support

by François Beerten

Hi everyone, The PSA Crypto Driver Interface describes entry points for collecting entropy from drivers: |psa_status_t acme_get_entropy(uint32_t flags, size_t *estimate_bits, uint8_t *output, size_t output_size);| Currently, MbedTLS does not have any kind of support for those PSA driver entry points. I'm currently looking at trying to add initial support for those in the code. The idea is to write a very simple solution to get the ball rolling and that can be extended and improved later on. Is there interest for a patch to add this? There are different ways to integrate it into the current MbedTLS code. Do you already have plans or ideas on how it should be done? After multiple attempts locally, I've came up with an approach that can work well. Like for other PSA Crypto drivers, the entropy entry points would be listed in the generated "psa_crypto_driver_wrappers.c" file. Those entry points can then be used by a sub-function of mbedtls_entropy_gather(). What do you think of that approach? Best regards, François.

4 years, 4 months

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