So this is on purpose. This should be added to docs, I think. cheers Mathias
Am Donnerstag, den 11.02.2016, 11:46 +0000 schrieb Landsmann, Martin: > Hi Mathias, > > yes I forgot to mention the CFLAG. > If you use AES I suggest to use: > CFLAGS += -DCRYPTO_AES > and not: > CFLAGS += -DCRYPTO_THREEDES > then the appropriate CIPHER_MAX_CONTEXT_SIZE for AES will be defined > [1]. > > Best regards, > Martin > > [1] https://github.com/RIOT-OS/RIOT/blob/master/sys/include/crypto/ci > phers.h#L56 > ________________________________________ > Von: users [[email protected]]" im Auftrag von > "Tausig Mathias [[email protected]] > Gesendet: Donnerstag, 11. Februar 2016 12:34 > An: [email protected] > Betreff: Re: [riot-users] Using AES encryption > > I did use the USEMODULE clause, but without the addtional CFLAGS > setting, it won't work. aes_init/cipher_init will return 0 because > CIPHER_MAX_CONTEXT_SIZE is set to 1 in sys/include/crypto/ciphers.h. > The unit test you referenced works, because it adds a "CFLAGS += > -DCRYPTO_THREEDES" (which enables aes, too, because the > CIPHER_MAX_CONTEXT_SIZE set for 3DES is larger then the one for AES) > in > the Makefile.include, too. > > cheers > Mathias > > Am Donnerstag, den 11.02.2016, 10:33 +0000 schrieb Landsmann, Martin: > > Hi Mathias, > > > > You need to add: > > USEMODULE += crypto > > to your Makefile to enable the AES cypher in your implementation. > > This line includes the crypto module which includes AES. > > Just head over to the RIOT wiki to learn more about modules [1] and > > how to use them. > > > > You can also have a look into the crypto unittests [2] to get some > > hints how to use the AES implementation. > > > > Best Regards, > > Martin > > > > [1] > > https://github.com/RIOT-OS/RIOT/wiki/Introduction#including-modules > > [2] > > https://github.com/RIOT-OS/RIOT/tree/master/tests/unittests/tests > > -crypto > > ________________________________________ > > Von: users [[email protected]]" im Auftrag von > > "Tausig Mathias [[email protected]] > > Gesendet: Donnerstag, 11. Februar 2016 11:17 > > An: [email protected] > > Betreff: [riot-users] Using AES encryption > > > > Hy! > > > > I am trying to write a litle RIOT-OS project which uses AES > > encryption. > > After some fiddling around, I made it work by adding a "CFLAGS += > > -DCRYPTO_AES" line to my Makefile. > > Is this the recommended way to do it? I am asking, because I could > > not > > find any reference to it in the documentations. > > > > cheers > > Mathias > > _______________________________________________ > > users mailing list > > [email protected] > > https://lists.riot-os.org/mailman/listinfo/users > -- > DI Mathias Tausig,Kompetenzzentrum für IT-Security, > FH Campus Wien,Informationstechnologien und Telekommunikation. > Favoritenstrasse 226, Raum B.3.07a,1100 Wien, Austria.T: +43 1 606 68 > 77-2142, F: +43 1 606 68 [email protected] > _______________________________________________ > users mailing list > [email protected] > https://lists.riot-os.org/mailman/listinfo/users -- DI Mathias Tausig,Kompetenzzentrum für IT-Security, FH Campus Wien,Informationstechnologien und Telekommunikation. Favoritenstrasse 226, Raum B.3.07a,1100 Wien, Austria.T: +43 1 606 68 77-2142, F: +43 1 606 68 [email protected]
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