- mbed-tls - lists.trustedfirmware.org

[Mbed-tls-announce] ssl_server2 failed with mbedtls_ssl_handshake returned error -30976

by B Mahesh via Mbed-tls-announce

Hi , *Problem description :* Trying to run example https://github.com/ARMmbed/mbedtls/blob/master/programs/ssl/ssl_server2.c . Updated ssl_server2 port to listen on 7777 for incoming client request ,ssl_server2 will be waiting for remote connection continuously. There was no client request for connection on this port, but still server is getting some spurious connection request and goes for handshake and fails with below error code. Error code: mbedtls_ssl_handshake returned error -30976 *Steps to reproduce: =============* 1. start ssl_server2 program 2. Monitor for ssl_server2 connection waiting , observe ssl_server2 will accept spurious connection request and goes for handshake and fails with above mentioned error code. *Expected behavior:* ssl_server2 wait for remote connection infinitely and connect to valid client request and perform handshake every time. *Actual behavior:* Occasionally ssl_server2 will accept spurious connection request and goes for handshake and fails with below error code. Error code: mbedtls_ssl_handshake returned error -30976 on ssl_server2 *Analysis:* As per below logs what we understand is ssl_server2 will accept spurious connection request and goes for handshake and fails with error code -30796 ,MBEDTLS_ERR_SSL_BAD_HS_CLIENT_HELLO on ssl_server2 side . Can you please help us to understand this behavior? What could be the reason for ssl_server2 to connect to a spurious connection request?, as mentioned above there was no client request for connection on this ssl_server2 port( 7777) . We have tried this on other SERVER_PORT as well . *Logs Snippet:* *==========* . Seeding the random number generator... ok . Loading the CA root certificate ... ok (0 skipped) . Loading the server cert. and key... ok . Bind on tcp://*:7777/ ... ok . Setting up the SSL/TLS structure... ok . Waiting for a remote connection ...ok . Performing the SSL/TLS handshake... failed ! mbedtls_ssl_handshake returned -0x7900 Last error was: -30976 - SSL - Processing of the ClientHello handshake message failed . Waiting for a remote connection ... ok . Performing the SSL/TLS handshake... failed ! mbedtls_ssl_handshake returned -0x7900 Last error was: -30976 - SSL - Processing of the ClientHello handshake message failed . Waiting for a remote connection ... ok . Performing the SSL/TLS handshake... failed ! mbedtls_ssl_handshake returned -0x7900 Last error was: -30976 - SSL - Processing of the ClientHello handshake message failed Regards Mahesh -- 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

3 years, 9 months

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MBEDTLS_ERR_CIPHER_ALLOC_FAILED on Embedded Platform

by Subramanian Gopi Krishnan

Hi, I have ported mbedtls library on am embedded platform developed to encrypt / decrypt messages using AES GCM 256 key. After several hours of running, we are experiencing error MBEDTLS_ERR_CIPHER_ALLOC_FAILED 0x6180 and malloc functions fails as the heap seems to be piled-up. How could I is using correct free function and the actual allocated memory is freed? Thanks, Gopi Krishnan

3 years, 10 months

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Tentative: MBed TLS Technical Forum

by Gergely Pintér

3 years, 10 months

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Future crypto library features

by Hulshof, Robert

All, Not sure if this is the right audience (If it is not let me know if there is a better place to ask the following question) We have been looking at future security requirements for CPE devices, and we think that we need the following functionality that is currently not really available in the current crypto libraries. - Support for Quantum computing secure algorithms (Post Quantum of PQ algorithms) - Support for Hybrid keys ( PQ plus Classic algorithm), preferable in any configuration. - Modularized public key crypto algorithms implementation, to simplify adding new algorithms - Updating public key architecture to simplify off-loading private key operations to a Trusted Execution environment or other security HW. We initially looked at openssl, but found the openssl difficult to work with, so we decided to look at Mbedtls, which has a more lightweight design. We modified the mbedtls 'pkey' code to make it more modularized (building on the pkwrap design), and added to support for Hybrid keys, which was relatively easy to do. Updating the TLS library to support hybrid keys has however been a big challenge. The TLS code is very interwoven with the 'pkey' code, and seems to have almost unique implementation for each type of key, making it difficult to follow and modify. Adding support for other (PQ) algorithms within that design will be challenge. Before spending too much time on this we would like to know if there is an interest in the MBEDTLS community for a redesign of the code to support hybrid keys, PQ algorithms and modularized public key architecture. Thanks, Robert E-MAIL CONFIDENTIALITY NOTICE: The contents of this e-mail message and any attachments are intended solely for the addressee(s) and may contain confidential and/or legally privileged information. If you are not the intended recipient of this message or if this message has been addressed to you in error, please immediately alert the sender by reply e-mail and then delete this message and any attachments. If you are not the intended recipient, you are notified that any use, dissemination, distribution, copying, or storage of this message or any attachment is strictly prohibited.

3 years, 10 months

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MBed TLS Technical Forum - reminder

by don.harbin＠linaro.org

Hi All, A gentle reminder that the US-Europe timezone-friendly MBest TLS Tech forum is next Monday. If you have any topics, please let Dave Rodgman know. :) Best regards, Don 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: Mon Feb 14, 2022 9:30am – 10:30am Mountain Standard Time - Phoenix Who: * Don Harbin - creator * psa-crypto(a)lists.trustedfirmware.org * mbed-tls(a)lists.trustedfirmware.org * nnac123(a)gmail.com

3 years, 10 months

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mbedTLS Question

by SHIRLEY Murray

Hello, I am evaluating the mbedTLS library and trying to create a build with Visual Studio 2010, but I am encountering errors. Below are the steps I have taken: 1. Downloaded "mbedtls-3.1.0.zip" and extracted the contents to my Windows 10 computer. 2. Run Visual Studio 2010 and open the solution "mbedTLS.sln" in the folder "mbedtls-3.1.0\visualc\VS2010". 3. Select the "mbedTLS" project and select "Rebuild Only mbedTLS". This is for the Release configuration targeting Win32. 4. During the build process multiple errors are encounter, which seem to be related to Visual Studio's limited C Compiler support. The build output is attached. Am I missing any steps for configuring the solution or project? I was under the impression that mbedTLS offered support for compiling with Visual Studio 2010? Any help that you can provide would be greatly appreciated. Best regards, Murray Shirley, P.Eng. MicroSurvey Software, Inc. (250) 707-0000 murray.shirley(a)microsurvey.com<mailto:murray.shirley@microsurvey.com>

3 years, 10 months

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TLS Only for Data Authentication

by Subramanian Gopi Krishnan

Hi, I am developing TLS client and server for embedded systems. Considering the operational efficiency, it is sufficient to have data authentication. Is it possible to setup a TLS communication with data authentication and without encryption? Consider a PLC network, 1. Within physical secure zone. 2. Requires faster data transfer. 3. Data are not confidential, but must be cryptographically authenticated. Thanks, Gopi Krishnan

3 years, 10 months

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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

3 years, 10 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

3 years, 10 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.

3 years, 10 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

3 years, 10 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

3 years, 10 months

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Tentative: MBed TLS Technical Forum - Asia

by Gergely Pintér

3 years, 10 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

3 years, 11 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

3 years, 11 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

3 years, 11 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.

3 years, 11 months

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Re: License conflict with OpenVPN

by Dave Rodgman

Hi Max, Unfortunately, it would not be possible for us to re-license the project to GPLv2 - this would require agreement with all copyright holders of code contributed to Mbed TLS 2.17, which isn't feasible. For this reason I'm afraid we cannot offer an exception for individual projects. Regards Dave Rodgman On 13/01/2022, 10:28, "Maximilian Fillinger via mbed-tls" <mbed-tls(a)lists.trustedfirmware.org> wrote: Hello! OpenVPN can be compiled with OpenSSL or mbedtls. However, OpenVPN is licensed under GPLv2 only. If I understand correctly, that means it is not legal to distribute binaries of OpenVPN that are linked with mbedtls 2.17 or later. At Fox Crypto, we produce a hardened version of OpenVPN, called OpenVPN-NL, for use by the Dutch government, which uses mbedtls. (The latest release is rather old and still uses 2.16.) Is there anyone I could ask about making an exception for linking OpenVPN with mbedtls? Regards, Max Fillinger -- mbed-tls mailing list -- mbed-tls(a)lists.trustedfirmware.org To unsubscribe send an email to mbed-tls-leave(a)lists.trustedfirmware.org

3 years, 11 months

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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

You have been invited to the following event. 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 Joining info: Join with Google Meet https://meet.google.com/fwh-srqw-rgf?hs=224 Join by phone (US) +1 304-397-0314 (PIN: 358348986) More phone numbers: https://tel.meet/fwh-srqw-rgf?pin=6539665554630&hs=0 Calendar: mbed-tls(a)lists.trustedfirmware.org Who: * Don Harbin - creator * psa-crypto(a)lists.trustedfirmware.org * mbed-tls(a)lists.trustedfirmware.org 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

3 years, 11 months

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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

You have been invited to the following event. 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 Joining info: Join with Google Meet https://meet.google.com/ofy-jxph-boy?hs=224 Join by phone (US) +1 704-705-7047 (PIN: 141276187) More phone numbers: https://tel.meet/ofy-jxph-boy?pin=3695767709143&hs=0 Calendar: mbed-tls(a)lists.trustedfirmware.org Who: * Don Harbin - creator * psa-crypto(a)lists.trustedfirmware.org * mbed-tls(a)lists.trustedfirmware.org 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

3 years, 11 months

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Adding lists to the MBed TLS Tech Forum invite

by Don Harbin

Hi All, FYI, per Shebu, I'm adding both mbed-tls(a)lists.trustedfirmware.org and psa-crypto(a)lists.trustedfirmware.org to the MBed TLS Tech Forum invites. Please look for this in your inbox and accept it if you would like the series added to your calendar. - Note that this is a monthly meeting but you will see two invites, one that is for Asia timezones and one for Europe/US. Just delete the series that isn't timezone friendly for you. - FYI, recall that this and other tech forums can be found in the meeting calendar on the TF website <https://www.trustedfirmware.org/meetings/>. If you see a meeting in that calendar, click on the entry and an option comes up saying "copy to my calendar." It will import that single instance into your personal calendar from there if you wish. I wasn't able to test this feature with outlook, but it worked fine for google calendar. Please let me know if you have any questions. Best regards, Don Harbin TrustedFirmware Community Manager don.harbin(a)linaro.org

3 years, 11 months

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License conflict with OpenVPN

by Maximilian Fillinger

Hello! OpenVPN can be compiled with OpenSSL or mbedtls. However, OpenVPN is licensed under GPLv2 only. If I understand correctly, that means it is not legal to distribute binaries of OpenVPN that are linked with mbedtls 2.17 or later. At Fox Crypto, we produce a hardened version of OpenVPN, called OpenVPN-NL, for use by the Dutch government, which uses mbedtls. (The latest release is rather old and still uses 2.16.) Is there anyone I could ask about making an exception for linking OpenVPN with mbedtls? Regards, Max Fillinger

3 years, 11 months

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Tinycrypt performance & integration

by andrei.menzopol＠nxp.com

Hello, I want to test/analyze the performance increase of using tinycrypt for ECC operations instead of the standard MbedTLS ECC functions. Could you please help me with a few answers regarding this? I am aware that tinycrypt is already integrated in the baremetal branch. Do you happen to know what is the performance increase of using this tinycrypt uECC implementation instead of the standard one on arm cortex m4 microcontrollers? I would like to port the tinycrypt uECC changes from baremetal branch to a Mbed TLS 2.25.0 version used in Matter repo (from where Mbed TLS repo is refered), more exactly this commit: https://github.com/ARMmbed/mbedtls/tree/1c54b5410fd48d6bcada97e30cac417c5c7… What do you think is the best approach? I thought of forking Mbed TLS, creating a separate branch with that commit and adding there the tinycrypt changes from baremetal branch. However, I'm not sure how to proceed next since the Matter repo refers the MbedTLS repo. Is this approach ok? Thank you!

3 years, 11 months

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EC and FF checks support

by Thomas Fossati

Hi all, Does mbedTLS implement any of the checks in NIST SP 800 56Ar3? (In particular, I am interested in those defined in Section 5.6.2 [1]?) Thanks, cheers! [1] https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-56Ar3.pdf…

3 years, 11 months

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request to unsubscribe from this mailing list

by Innocenti, Michele

Hi, I have completed my job on these topics so I would like to unsubscribe from this mailing list, can you help me? Thank you! Michele [cid:image001.png@01D7FCCB.D711FD40] Hillrom is now a part of Baxter Michele Innocenti Sr Principal Engineer, SW Eng Gambro Dasco S.p.A. Via Modenese 66 / 41036 Medolla, Modena, Italy T. +39 0535.50578 michele_innocenti(a)baxter.com<mailto:michele_innocenti@baxter.com>

3 years, 11 months

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