February 2022 - mbed-tls - lists.trustedfirmware.org

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>

2 years, 2 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

2 years, 2 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

2 years, 2 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

2 years, 2 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.

2 years, 2 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

2 years, 2 months

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mbed-tls February 2022