On 7/22/2015 7:19 AM, Tadeusz Struk wrote: > On 07/21/2015 06:32 PM, Herbert Xu wrote: >> I think we should finish the conversion of the only in-kernel >> user of RSA before we add the user-space interface. Otherwise >> this unnecessarily ties our hands to the current API. >> >> For example, do we want an SG interface for the input and output? >> As it stands even if a hardware device came with SG support we >> would not be able to use it. >> >> Tadeusz, can you confirm again that qat does not support SG with >> respect to RSA input and output? > > No, it doesn't. Even if we would add SG support on the API it will > need to be copied into contiguous buffers before it is sent to the HW.
OTOH, caam has SG support for all PK operations, including rsa-encrypt, rsa-decrypt primitives. We are working at upstreaming - aligning our internal caam-pkc with akcipher. Please consider designing a flexible AF_ALG interface, as Stephan suggested. Thanks, Horia -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
