On Di, 2015-03-17 at 13:39 +0100, Jean-Christophe PLAGNIOL-VILLARD wrote: > > I want to understand how your image formats would be used in the larger > > context of a BSP or distribution. Please describe which image formats > > you want to support (in addition to FIT). How are they structured? How > > are they generated? Are they already supported by other software? > Today we use a bpk formoat > > in bpk format you can store different data for each hw_id, each data have a > specific type. > > we add a new type for the signature. > > we do a sha512 of the other data of one hw_id and signed it with a rsa4096 > we use 1 unique rsa key per HW_ID > > as soon as one of the file of a specific hw_id is open we check the signature > > The code is no public yet but this is handled at FS level > > and we allow only to open data that have been verified or decrypted if we use > AES Thanks for the explanation, it's clearer now. Regards, Jan -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
