Re: in-kernel user of ecdsa

2018-03-26 Thread Tudor Ambarus
acceleration. I'm trying to find an in-kernel user of ecdsa. ECDSA and RSA comparison -> ECDSA requires a much smaller key length in order to provide the same security strength as RSA [1]: Security StrengthRSA (bits)ECDSA (bits) 112 2

Re: [tpmdd-devel] in-kernel user of ecdsa

2018-03-12 Thread Stephan Mueller
Am Montag, 12. März 2018, 22:55:35 CET schrieb James Bottomley: Hi James, > > ECDSA is not implemented currently in the kernel crypto API. > > an ECDSA signature is produced as a ECDH operation using the DSA > algorithm instead of KDFe, so it's trivial with what we have; signature >

Re: [tpmdd-devel] in-kernel user of ecdsa

2018-03-12 Thread James Bottomley
On Mon, 2018-03-12 at 20:56 +0100, Stephan Mueller wrote: > Am Montag, 12. März 2018, 19:09:18 CET schrieb James Bottomley: > > Hi James, > > > > > On Mon, 2018-03-12 at 19:07 +0200, Tudor Ambarus wrote: > > > > > > Hi, > > > > > > Would you consider using ECDSA in the kernel module signing >

Re: [tpmdd-devel] in-kernel user of ecdsa

2018-03-12 Thread Stephan Mueller
Am Montag, 12. März 2018, 19:09:18 CET schrieb James Bottomley: Hi James, > On Mon, 2018-03-12 at 19:07 +0200, Tudor Ambarus wrote: > > Hi, > > > > Would you consider using ECDSA in the kernel module signing facility? > > When compared with RSA, ECDSA has shorter keys, the key generation > >

Re: [tpmdd-devel] in-kernel user of ecdsa

2018-03-12 Thread James Bottomley
On Mon, 2018-03-12 at 19:07 +0200, Tudor Ambarus wrote: > Hi, > > Would you consider using ECDSA in the kernel module signing facility? > When compared with RSA, ECDSA has shorter keys, the key generation > process is faster, the sign operation is faster, but the verify > operation is slower than

in-kernel user of ecdsa

2018-03-12 Thread Tudor Ambarus
and bandwidth that are especially attractive for memory constrained devices. I'm working with such a device, capable of generating ecc keys, secure key storage and ecdsa/ecdh crypto acceleration. I'm trying to find an in-kernel user of ecdsa. ECDSA and RSA comparison -> EC