> -----Original Message----- > From: Ard Biesheuvel <[email protected]> > Sent: Tuesday, October 8, 2019 9:35 AM > To: Pascal Van Leeuwen <[email protected]> > Cc: YueHaibing <[email protected]>; [email protected]; > [email protected]; > [email protected]; [email protected]; > [email protected]; linux- > [email protected] > Subject: Re: [PATCH -next] crypto: inside-secure - Fix randbuild error > > On Tue, 8 Oct 2019 at 09:32, Pascal Van Leeuwen > <[email protected]> wrote: > > > > > -----Original Message----- > > > From: [email protected] > > > <[email protected]> On Behalf Of > > > YueHaibing > > > Sent: Tuesday, October 8, 2019 9:15 AM > > > To: [email protected]; [email protected]; > > > [email protected]; > > > [email protected] > > > Cc: [email protected]; [email protected]; YueHaibing > > > <[email protected]> > > > Subject: [PATCH -next] crypto: inside-secure - Fix randbuild error > > > > > > If CRYPTO_DEV_SAFEXCEL is y but CRYPTO_SM3 is m, > > > building fails: > > > > > > drivers/crypto/inside-secure/safexcel_hash.o: In function > > > `safexcel_ahash_final': > > > safexcel_hash.c:(.text+0xbc0): undefined reference to > > > `sm3_zero_message_hash' > > > > > > Select CRYPTO_SM3 to fix this. > > > > > > Reported-by: Hulk Robot <[email protected]> > > > Fixes: 0f2bc13181ce ("crypto: inside-secure - Added support for basic SM3 > > > ahash") > > > Signed-off-by: YueHaibing <[email protected]> > > > --- > > > drivers/crypto/Kconfig | 1 + > > > 1 file changed, 1 insertion(+) > > > > > > diff --git a/drivers/crypto/Kconfig b/drivers/crypto/Kconfig > > > index 3e51bae..5af17db 100644 > > > --- a/drivers/crypto/Kconfig > > > +++ b/drivers/crypto/Kconfig > > > @@ -751,6 +751,7 @@ config CRYPTO_DEV_SAFEXCEL > > > select CRYPTO_SHA512 > > > select CRYPTO_CHACHA20POLY1305 > > > select CRYPTO_SHA3 > > > + select CRYPTO_SM3 > > > help > > > This driver interfaces with the SafeXcel EIP-97 and EIP-197 > > > cryptographic > > > engines designed by Inside Secure. It currently accelerates DES, > > > 3DES and > > > -- > > > 2.7.4 > > > > > But ... I don't really want to build SM3 into the kernel for all Inside > > Secure drivers, since in the majority of cases, the HW will not actually > > support SM3 and I don't want to bloat the kernel image in that case. > > > > So maybe it's better to #ifdef out the failing part of the driver if > > CONFIG_SM3 is not set? > > > > Since you are only using the zero length message hash, can we just > copy that into your driver instead? If that is really the case - don't have time to look into that right now - then I would be fine with that too. If no one objects, then I will make a patch for that when I can find some time to do so (~early next week).
Regards, Pascal van Leeuwen Silicon IP Architect, Multi-Protocol Engines @ Verimatrix www.insidesecure.com

