From: Herbert Xu <herbert@gondor.apana.org.au>
To: T Pratham <t-pratham@ti.com>
Cc: "David S. Miller" <davem@davemloft.net>,
linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org,
Vignesh Raghavendra <vigneshr@ti.com>,
Praneeth Bajjuri <praneeth@ti.com>,
Kamlesh Gurudasani <kamlesh@ti.com>,
Manorit Chawdhry <m-chawdhry@ti.com>
Subject: Re: [PATCH RFC 1/2] crypto: ti: Add support for SHA224/256/384/512 in DTHE V2 driver
Date: Sat, 5 Apr 2025 09:33:05 +0800 [thread overview]
Message-ID: <Z_CIUXS-YfiRJxi5@gondor.apana.org.au> (raw)
In-Reply-To: <8536cdf7-f4bd-4f9a-9eaf-9e38fba67741@ti.com>
On Fri, Apr 04, 2025 at 06:10:23PM +0530, T Pratham wrote:
>
> Our hardware can accept data as multiple packets, each of which can be
> of any length. The only restriction it has is that only the last packet
> can have arbitrary length, rest have to be a multiple of BLOCK_SIZE. The
> hardware needs a bit to be set to indicate that the packet to be
> submitted is the last data packet.
This is not unique either. Even the software implementation has
to deal with this.
This needs to be dealt with in your update function. Simply buffer
leftover data and only feed whole blocks to the hardware, until
fina/finup is called.
Cheers,
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
next prev parent reply other threads:[~2025-04-05 1:33 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-18 10:49 [PATCH RFC 0/2] Add support for hashing algorithms in TI DTHE V2 T Pratham
2025-02-18 10:49 ` [PATCH RFC 1/2] crypto: ti: Add support for SHA224/256/384/512 in DTHE V2 driver T Pratham
2025-02-19 18:36 ` Kamlesh Gurudasani
2025-03-02 8:09 ` Herbert Xu
2025-04-02 13:31 ` T Pratham
2025-04-02 13:54 ` Herbert Xu
2025-04-02 14:12 ` T Pratham
2025-04-02 14:16 ` Herbert Xu
2025-04-03 8:28 ` T Pratham
2025-04-03 8:35 ` Herbert Xu
2025-04-04 10:15 ` T Pratham
2025-04-04 10:23 ` Herbert Xu
2025-04-04 12:40 ` T Pratham
2025-04-05 1:33 ` Herbert Xu [this message]
2025-04-05 1:36 ` Herbert Xu
2025-02-18 10:49 ` [PATCH RFC 2/2] crypto: ti: Add support for MD5 in DTHE V2 Hashing Engine driver T Pratham
2025-02-19 18:47 ` Kamlesh Gurudasani
2025-04-02 13:50 ` Herbert Xu
2025-04-02 14:21 ` T Pratham
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