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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Hi Arek, Thanks for quick response. I am using resulted output vector to verify the encrypted message. I thought the encrypted data will be in the asym_op->rsa.message.data after= rte_cryptodev_enqueue_burst and rte_cryptodev_enqueue_burst call with oper= ation type RTE_CRYPTO_ASYM_OP_ENCRYPT. So ,I checked the hex_dump of asym_op->rsa.message.data. Code snippet: asym_op =3D result_op->asym; debug_hexdump(stdout, "encrypted message", asym_op->rsa.message.data, asym_op->rsa.message.length); Encrypted data will be placed in asym_op->rsa.cipher.data after crypto oper= ation is my understanding is correct ? I should use debug_hexdump(stdout, "encrypted message", asym_op->rsa.cipher.data, asym_op->rsa.cipher.length); to check the encrypted message for the input given? Regards, Bala From: Kusztal, ArkadiuszX Sent: 23 May 2022 18:15 To: Balakrishnan K ; users@dpdk.org Subject: RE: how to use crypto openssl PMD for asymmetric encryption and de= cryption CAUTION: This email originated from outside of the organization. Do not cli= ck links or open attachments unless you recognize the sender and know the c= ontent is safe. Hi Bala, Ciphertext will be written into asym_op->rsa.cipher.data (not message.data)= by the PMD, here you are using same address for both hex dumps. Although there is a bug in debug_hexdump in this function which may cause t= his confusion. Plus, the test you are referring is PWCT test (Pairwise conditional test) -= > it will encrypt, then decrypt. Please take a look into this comment in queue_ops_rsa_enc_dec function: /* Use the resulted output as decryption Input vector* So above this line there is an encryption part. Below is decryption. Regards, Arek From: Balakrishnan K > Sent: Monday, May 23, 2022 1:33 PM To: users@dpdk.org Subject: how to use crypto openssl PMD for asymmetric encryption and decryp= tion Hi All, I am new to dpdk. Planning to use openssl crypto PMD for encrypting/decr= ypting the packets. Couldn't find much documents on openssl PMD for asymmetric encryption/decry= ption. Any one please point me in the right document. I have tried to run the test cases wrote for asymmetric crypto using openss= l virtual PMD. But the output of particular test case is same after the encryption done. File : app/test/test_cryptodev_asym.c Test executable: ./app/test/dpdk-test Test case : test_rsa_enc_dec Input given to encryption: message at [0x1894e60], len=3D20 00000000: F8 BA 1A 55 D0 2F 85 AE 96 7B B6 2F B6 CD A8 EB | ...U./...{./...= . 00000010: 7E 78 A0 50 | ~x.P After processing the output also looks like same : encrypted message exist at [0x1894e60], len=3D20 00000000: F8 BA 1A 55 D0 2F 85 AE 96 7B B6 2F B6 CD A8 EB | ...U./...{./...= . 00000010: 7E 78 A0 50 Regards, Bala --_000_PSAPR04MB55167EE7F28A38EE575504DAD6D79PSAPR04MB5516apcp_ Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

Hi Arek,

   Thanks for quick r= esponse.

I am using resulted output vect= or to verify the encrypted message.

I thought the encrypted data will be in the asym_op-&g=
t;rsa.message.data after rte_cryptodev_enqueue_burst and rte_cryptodev_enqu=
eue_burst call with operation type RTE_CRYPTO_ASYM_OP_ENCRYPT.
So ,I checked the hex_dump of asym_op->rsa.message.=
data.
 
Code snippet:
asym_op =3D result_op->asym;=

debug_hexdump(stdout, "encrypted message&quo=
t;, asym_op->rsa.message.data,
        &=
nbsp;           &nbs=
p; asym_op->rsa.message.length);
 
 
 
Enc=
rypted data will be placed in asym_op->rsa.c=
ipher.data after crypto operation is my understanding is correct ?
I should use 
debug_hexdump(stdout, "encrypted message&quo=
t;, asym_op->rsa.cipher.data,
        &=
nbsp;           &nbs=
p; asym_op->rsa.cipher.length);
to check the encrypted message for the input give=
n?
 
 
Regards,
Bala 
 

&nbs= p;

From: Kusztal, ArkadiuszX <arkadiuszx.kusztal@intel.com>
Sent: 23 May 2022 18:15
To: Balakrishnan K <Balakrishnan.K1@tatacommunications.com>; u= sers@dpdk.org
Subject: RE: how to use crypto openssl PMD for asymmetric encryption= and decryption

 

CAUTION: This email originated from outside of the organization. = Do not click links or open attachments unless you recognize the sender and know the content is safe. <= /p>

Hi Bala,

 

Ciphertext will be written into= asym_op->rsa.cipher.data (not message.data) by the PMD, here you are us= ing same address for both hex dumps.

Although there is a bug in debu= g_hexdump in this function which may cause this confusion.

 

Plus, the test you are referrin= g is PWCT test (Pairwise conditional test) -> it will encrypt, then decr= ypt.

Please take a look into this co= mment in queue_ops_rsa_enc_dec function:

/* Use the resulted output as d= ecryption Input vector*

So above this line there is an = encryption part.

Below is decryption.  = ;        

 

Regards,

Arek

 

From: Balakrishnan K <Balakrishnan.K1@tatacommunication= s.com>
Sent: Monday, May 23, 2022 1:33 PM
To: us= ers@dpdk.org
Subject: how to use crypto openssl PMD for asymmetric encryption and= decryption

 

Hi All,

   I am new to dpdk. = Planning to use openssl crypto PMD for encrypting/decrypting  the pack= ets.

Couldn’t find much docume= nts on openssl PMD for asymmetric encryption/decryption.

Any one please point me in the = right document.

 

I have tried to run the test ca= ses wrote for asymmetric crypto using openssl virtual PMD.

But the output of particular te= st case is same after the encryption done.

 

File : app/test/test_cryptodev_= asym.c

Test executable: ./app/test/dpd= k-test

Test case : test_rsa_enc_dec

    <= /span>

Input given to encryption:&n= bsp;            &nbs= p;

message at [0x1894e60], len=3D2= 0

00000000: F8 BA 1A 55 D0 2F 85 = AE 96 7B B6 2F B6 CD A8 EB | ...U./...{./....

00000010: 7E 78 A0 50 &nbs= p;            &= nbsp;           &nbs= p;          | ~x.P<= /span>

 

After processing the output = also looks like same :

encrypted message exist at [0x1= 894e60], len=3D20

00000000: F8 BA 1A 55 D0 2F 85 = AE 96 7B B6 2F B6 CD A8 EB | ...U./...{./....

00000010: 7E 78 A0 50

 

 

Regards,

Bala

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