[dpdk-users] AES "Digest-encrypted" crypto chain case.

[Trahe, Fiona]

Hi Naveen,

Which chain exactly are you testing? i.e. which cipher mode, which auth algorithm?
Our tests so far have focussed on ZUC and Snow3G use-cases.

Fiona

> -----Original Message-----
> From: users [mailto:users-bounces at dpdk.org] On Behalf Of Naveen Kumar
> Sent: Monday, September 9, 2019 10:16 AM
> To: users at dpdk.org
> Subject: [dpdk-users] AES "Digest-encrypted" crypto chain case.
> 
> Hi All,
> I am trying to test AES symmetric crypto case  "Digest-encrypted" by chaining Authentication operation
> followed by Ciphering.
> Digest data pointer, Ciphering lengths etc., are configured such that ciphering operation includes the
> digest data (as mentioned in ‘rte_crypto_sym.h’ line:650-715).
> 
> With QAT PMD, I see the ‘raw’ digest data overwritten on the ciphered output as end result.
> 
> This issue is seen only with AES - ‘Digest-Encrypt’ chained operation. Not with Snow3G/ZUC chained
> operations.
> 
> Does anyone face this issue?
> 
> Regards,
> Naveen
> 
> --
> Naveen Kumar
> Senior Engineer
> 
> CommAgility is a Wireless Telecom Group company
> T: +49 (0)203 306 4537 | www.commagility.com
> Registered in England, Company No. 05914025. VAT No. DE299686390
> CommAgility is an ISO 9001:2015-certified company
> This email is confidential, for recipient’s use only.