Hi Gilad, On Thu, May 17, 2018 at 3:09 PM, Gilad Ben-Yossef <gilad@xxxxxxxxxxxxx> wrote: > On Thu, May 17, 2018 at 1:16 PM, Geert Uytterhoeven > <geert@xxxxxxxxxxxxxx> wrote: >> However, even with your clock patch, the signature checking fails for me, >> on both R-Car H3 ES1.0 and ES2.0. >> Does this need changes to the ARM Trusted Firmware, to allow Linux to >> access the public SCEG module? > > Well, this is actually something different. If you look you will > notice that my patch was part of a 3 part patch series, > the first of which disabled this test. Sorry, I had completely forgotten about the first patch from the series. With that applied, it continues: ccree e6601000.crypto: ARM CryptoCell 630P Driver: HW version 0x00000000, Driver version 4.0 ccree e6601000.crypto: Cache params previous: 0x00000777 ccree e6601000.crypto: Cache params current: 0x00000000 (expect: 0x00000000) alg: No test for cts1(cbc(aes)) (cts1-cbc-aes-ccree) alg: No test for authenc(xcbc(aes),cbc(aes)) (authenc-xcbc-aes-cbc-aes-ccree) alg: No test for authenc(xcbc(aes),rfc3686(ctr(aes))) (authenc-xcbc-aes-rfc3686-ctr-aes-ccree) ccree e6601000.crypto: ARM ccree device initialized Is HW version 0x00000000 expected? > If you take all the 3 patches, it will work. is there an easy way to test proper operation? I enabled CONFIG_CRYPT_TEST, and did insmod tcrypt.ko, but I mostly see "Failed to load transform" messages. Thanks! Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds