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Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <20250110055058.GA63811@sol.localdomain> References: <20250110055058.GA63811@sol.localdomain> <20250110010313.1471063-1-dhowells@redhat.com> <20250110010313.1471063-3-dhowells@redhat.com> To: Eric Biggers Cc: dhowells@redhat.com, Herbert Xu , Chuck Lever , Trond Myklebust , "David S. Miller" , Marc Dionne , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , linux-crypto@vger.kernel.org, linux-afs@lists.infradead.org, linux-nfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH 2/8] crypto/krb5: Provide Kerberos 5 crypto through AEAD API Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <1478992.1736493228.1@warthog.procyon.org.uk> Content-Transfer-Encoding: quoted-printable Date: Fri, 10 Jan 2025 07:13:48 +0000 Message-ID: <1478993.1736493228@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.4 Eric Biggers wrote: > It sounds like a lot of workarounds had to be implemented to fit these > protocols into the crypto_aead API. > = > It also seems unlikely that there will be other implementations of these > protocols added to the kernel, besides the one you're adding in crypto/k= rb5/. > = > Given that, providing this functionality as library functions instead wo= uld be > much simpler. Take a look at how crypto/kdf_sp800108.c works, for examp= le. Yes. That's how I did my first implementation. I basically took the code from net/sunrpc/auth_gss/ and made it more generic. Herbert wants it done this way, however. :-/ David