- mbed-tls - lists.trustedfirmware.org

by Thomas Schwarz

Hello everyone, I want to set up a webserver on my ESP32 Dev Module based von MbedTLS. Therefore I view the ssl_server example on github. Now my question: How can I connect the ssl_server to my local WIFI-network. What extra code do I need? And where is the SSID and the password configurable? Thanks for your help! Best regards Thomas Tel.: +49833460134418 MULTIVAC Info Box MULTIVAC Sepp Haggenmüller SE & Co. KG - Bahnhofstr. 4 - D-87787 Wolfertschwenden - Germany Tel.: +49(0)8334/601-0 - Fax: +49(0)8334/601-199 - multivac(a)multivac.de Kommanditgesellschaft Sitz: 87787 Wolfertschwenden Amtsgericht: Memmingen HRA 8040 USt-IdNr.: DE 129082475 - Steuer-Nr.: 138/169/51105 - WEEE-Reg.-Nr.: DE 16576440 Persönlich haftende Gesellschafterin: MULTIVAC Sepp Haggenmüller Verwaltungs SE Sitz: 87787 Wolfertschwenden Amtsgericht: Memmingen HRB 16659 Geschäftsführende Direktoren: Guido Spix, Christian Traumann Verwaltungsratsvorsitzender: Elmar Fischer Bankverbindung: Deutsche Bank Memmingen . IBAN: DE 31 7337 0008 0123 6330 00 . BIC: DEUT DE MM 733 Banner

4 years, 9 months

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DTLS server

by Mehdi Karimi

I am using v16 of the mbedTLS library to setup DTLS server. However, I observe that the handshake does not work well and there are several issues starting with the cookie exchange. Do I necessarily have to update to the latest version of mbedTLS? Are there known issues with DTLS server setup using previous versions (as far as I could tell from the ChangeLog). Thanks Mehdi

4 years, 9 months

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Re: [mbed-tls] Proposed change: no longer credit contributors in the ChangeLog file

by Frank Bergmann

Hi Gilles, as you said: Git is public. As long as it is kept public there's no reason to "duplicate details". My 2 cents. sincerely, Frank On Sun, Sep 20, 2020 at 09:41:26PM +0000, Gilles Peskine via mbed-tls wrote: > Hello, > > The Mbed TLS team is soliciting feedback on a proposed change of our > contributor acknowledgement policy. > > Background: our current policy is to acknowledge all contributors who > are not Arm employees in the ChangeLog files. This is a tradition that > dates back from when the version control history of Mbed TLS (then > PolarSSL) was not public. > > Proposed change: the ChangeLog file will no longer mention who > contributed a patch (“Contributed by …”). A patch will require a > ChangeLog entry only if it makes a user-visible changes, regardless of > who contributed it. We will still credit reporters in the ChangeLog > file, at least for security issues. > > Rationale: the ChangeLog file had a dual purpose: informing users, and > acknowledging contributors. It will now have the single purpose of > informing users. There are better ways of acknowledging contributors > nowadays: the Git history is public, and your contributions are visible > from your GitHub profile. (Note that we don't squash commits, and > attempt to preserve authorship as much as possible when we have to > rebase a patch.) Furthermore, writing a good ChangeLog entry often turns > out to require some back-and-forth, so lessening this requirement will > make it easier to accept contributions and to merge them faster (this is > in fact our primary motivation for the change). > > We are also thinking of creating an acknowledgement page out-of-tree. It > isn't clear yet what its scope would be, but it would include > acknowledging contributions in the form of reviews, which we wish to > encourage. (Please stay tuned for future announcements and discussions > regarding the Mbed TLS review process.) > > Question to potential contributors, or people who have participated in > other open-source projects: do you think that there is any value in > keeping acknowledgements in a file that is distributed with Mbed TLS? Is > there any value in maintaining an exhaustive list of contributors in a > form other than the Git history? > > Best regards, > > -- > Gilles Peskine > Mbed TLS developer > > -- > mbed-tls mailing list > mbed-tls(a)lists.trustedfirmware.org > https://lists.trustedfirmware.org/mailman/listinfo/mbed-tls -- Frank Bergmann, Pödinghauser Str. 5, D-32051 Herford, Tel. +49-5221-9249753 SAP Hybris & Linux LPIC-3, E-Mail tx2014(a)tuxad.de, USt-IdNr DE237314606 http://tdyn.de/freel -- Redirect to profile at freelancermap http://www.gulp.de/freiberufler/2HNKY2YHW.html -- Profile at GULP

4 years, 9 months

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Re: [mbed-tls] Building a collaborative Mbed TLS community

by Frank Bergmann

Hi Gilles, when I ask in our team to review a PR I usually provide an estimation about it. Of course a time base estimation and not an agile one in values of complexity. ;-) One could also provide an estimation about priority. Maybe these tiny rules may help somewhat. At least it can provide a better overview if you have tons of PRs. sincerely, Frank On Sun, Sep 20, 2020 at 10:27:44PM +0000, Gilles Peskine via mbed-tls wrote: > Hello, > > Historically, Mbed TLS has been maintained by Arm as an open-source > project, accepting external contributions, but with with priorities and > plans mostly driven only by Arm. Since earlier this year, Mbed TLS is an > open governance project under the umbrella of TrustedFirmware, with the > objective of making it a community led project, allowing community to > contribute and collaborate on the design and development of the project. > In practice, however, the project effectively still has some barriers of > entry. We would like to lift these barriers. > > The Mbed TLS team at Arm have already identified some concrete actions, > filed on the Mbed TLS epic board > https://github.com/ARMmbed/mbedtls/projects/2#column-10667107 > under “Facilitating community contributions”. A few more should be up > soon as the result of some internal brainstorming. > > We've also identified some problem areas which we're tracking as > separate topics. > > * Probably the biggest topic: review was and is a bottleneck. We are > working to streamline the review process where possible, without > lowering the quality bar, and to prioritize reviews better over new > work. (Having personally often been on both sides of the coin, I can > confirm that having a pull request sit around for years without getting > reviews is frustrating, and so is seeing all these pull request and not > having the time to review them all.) We would also like to enable, > encourage and value reviews from people who are not project maintainers. > > * We will migrate the CI to a publicly available platform hosted by > TrustedFirmware. However this platform will not be available until 2021. > > * We are working on a new documentation platform, where we'll transfer > both the information available on the current website and information > that is currently recorded in an Arm internal wiki. > > To all of you who have contributed to Mbed TLS, who have tried, or who > are considering it, what difficulties have you encountered? What else > can we do to make contributing easier? > > Best regards, > > -- > Gilles Peskine > Mbed TLS developer > > > -- > mbed-tls mailing list > mbed-tls(a)lists.trustedfirmware.org > https://lists.trustedfirmware.org/mailman/listinfo/mbed-tls -- Frank Bergmann, Pödinghauser Str. 5, D-32051 Herford, Tel. +49-5221-9249753 SAP Hybris & Linux LPIC-3, E-Mail tx2014(a)tuxad.de, USt-IdNr DE237314606 http://tdyn.de/freel -- Redirect to profile at freelancermap http://www.gulp.de/freiberufler/2HNKY2YHW.html -- Profile at GULP

4 years, 9 months

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Building a collaborative Mbed TLS community

by Gilles Peskine

Hello, Historically, Mbed TLS has been maintained by Arm as an open-source project, accepting external contributions, but with with priorities and plans mostly driven only by Arm. Since earlier this year, Mbed TLS is an open governance project under the umbrella of TrustedFirmware, with the objective of making it a community led project, allowing community to contribute and collaborate on the design and development of the project. In practice, however, the project effectively still has some barriers of entry. We would like to lift these barriers. The Mbed TLS team at Arm have already identified some concrete actions, filed on the Mbed TLS epic board https://github.com/ARMmbed/mbedtls/projects/2#column-10667107 under “Facilitating community contributions”. A few more should be up soon as the result of some internal brainstorming. We've also identified some problem areas which we're tracking as separate topics. * Probably the biggest topic: review was and is a bottleneck. We are working to streamline the review process where possible, without lowering the quality bar, and to prioritize reviews better over new work. (Having personally often been on both sides of the coin, I can confirm that having a pull request sit around for years without getting reviews is frustrating, and so is seeing all these pull request and not having the time to review them all.) We would also like to enable, encourage and value reviews from people who are not project maintainers. * We will migrate the CI to a publicly available platform hosted by TrustedFirmware. However this platform will not be available until 2021. * We are working on a new documentation platform, where we'll transfer both the information available on the current website and information that is currently recorded in an Arm internal wiki. To all of you who have contributed to Mbed TLS, who have tried, or who are considering it, what difficulties have you encountered? What else can we do to make contributing easier? Best regards, -- Gilles Peskine Mbed TLS developer

4 years, 9 months

1
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Proposed change: no longer credit contributors in the ChangeLog file

by Gilles Peskine

Hello, The Mbed TLS team is soliciting feedback on a proposed change of our contributor acknowledgement policy. Background: our current policy is to acknowledge all contributors who are not Arm employees in the ChangeLog files. This is a tradition that dates back from when the version control history of Mbed TLS (then PolarSSL) was not public. Proposed change: the ChangeLog file will no longer mention who contributed a patch (“Contributed by …”). A patch will require a ChangeLog entry only if it makes a user-visible changes, regardless of who contributed it. We will still credit reporters in the ChangeLog file, at least for security issues. Rationale: the ChangeLog file had a dual purpose: informing users, and acknowledging contributors. It will now have the single purpose of informing users. There are better ways of acknowledging contributors nowadays: the Git history is public, and your contributions are visible from your GitHub profile. (Note that we don't squash commits, and attempt to preserve authorship as much as possible when we have to rebase a patch.) Furthermore, writing a good ChangeLog entry often turns out to require some back-and-forth, so lessening this requirement will make it easier to accept contributions and to merge them faster (this is in fact our primary motivation for the change). We are also thinking of creating an acknowledgement page out-of-tree. It isn't clear yet what its scope would be, but it would include acknowledging contributions in the form of reviews, which we wish to encourage. (Please stay tuned for future announcements and discussions regarding the Mbed TLS review process.) Question to potential contributors, or people who have participated in other open-source projects: do you think that there is any value in keeping acknowledgements in a file that is distributed with Mbed TLS? Is there any value in maintaining an exhaustive list of contributors in a form other than the Git history? Best regards, -- Gilles Peskine Mbed TLS developer

4 years, 9 months

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Parse RSA keyfile-Error

by youssouf sokhona

Good morning to all, I am currently trying to perform RSA encryption, so I am using a file containing a public key (generated by OpenSSL) to do this. So at the beginning I use the "mbedtls_pk_parse_keyfile" function to read it, as you can see on the image below. Unfortunately, I find the following error : ERROR 3E00 : Read/write of file failed. Do someone have an idea of why I have this error ? Or should I change my way to read this file ? Thanks a lot, have a nice Weekend [cid:image002.png@01D68839.7B058100]

4 years, 10 months

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Re: [mbed-tls] Query related to ARM - MbedTLS

by Manu Abraham

Hi, Unrelated comment from my side, adding on to Manuel's comment: It appears that ST supplies a binary blob which does make use of their hardware crypto accelerator. https://www.st.com/en/embedded-software/x-cube-cryptolib.html Cheers, Manu On Wed, Sep 9, 2020 at 1:21 PM Manuel Pegourie-Gonnard via mbed-tls <mbed-tls(a)lists.trustedfirmware.org> wrote: > > Hi, > > On those CPUs, the AES implementation in Mbed TLS is pure C, it doesn't use any hand-written assembly. The only platforms where it does so so far are x86-64 (to take advantage of the AES-NI extension if available), and some Via CPUs (x86) that have AES acceleration as well. > > Regards, > Manuel. > ________________________________ > From: mbed-tls <mbed-tls-bounces(a)lists.trustedfirmware.org> on behalf of Areeb Asad via mbed-tls <mbed-tls(a)lists.trustedfirmware.org> > Sent: 09 September 2020 08:32 > To: mbed-tls(a)lists.trustedfirmware.org <mbed-tls(a)lists.trustedfirmware.org> > Subject: [mbed-tls] Query related to ARM - MbedTLS > > Hi, > > I hope you are doing well. I am using the mbedTLS AES library in my projects, part of my master thesis at Uppsala University. > > I would like to know whether the mbedTLS AES library uses any assemble specific code for operations? I am using this library on Cortex-M23 and Cortex M0+. > > Looking forward to hearing from you. > > > Best regards, > Hafiz Areeb Asad > -- > mbed-tls mailing list > mbed-tls(a)lists.trustedfirmware.org > https://lists.trustedfirmware.org/mailman/listinfo/mbed-tls

4 years, 10 months

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Re: [mbed-tls] Query related to ARM - MbedTLS

by Manuel Pegourie-Gonnard

Hi, On those CPUs, the AES implementation in Mbed TLS is pure C, it doesn't use any hand-written assembly. The only platforms where it does so so far are x86-64 (to take advantage of the AES-NI extension if available), and some Via CPUs (x86) that have AES acceleration as well. Regards, Manuel. ________________________________ From: mbed-tls <mbed-tls-bounces(a)lists.trustedfirmware.org> on behalf of Areeb Asad via mbed-tls <mbed-tls(a)lists.trustedfirmware.org> Sent: 09 September 2020 08:32 To: mbed-tls(a)lists.trustedfirmware.org <mbed-tls(a)lists.trustedfirmware.org> Subject: [mbed-tls] Query related to ARM - MbedTLS Hi, I hope you are doing well. I am using the mbedTLS AES library in my projects, part of my master thesis at Uppsala University. I would like to know whether the mbedTLS AES library uses any assemble specific code for operations? I am using this library on Cortex-M23 and Cortex M0+. Looking forward to hearing from you. Best regards, Hafiz Areeb Asad

4 years, 10 months

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Query related to ARM - MbedTLS

by Areeb Asad

Hi, I hope you are doing well. I am using the mbedTLS AES library in my projects, part of my master thesis at Uppsala University. I would like to know whether the mbedTLS AES library uses any assemble specific code for operations? I am using this library on Cortex-M23 and Cortex M0+. Looking forward to hearing from you. Best regards, Hafiz Areeb Asad

4 years, 10 months

1
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