unknown cipher?

Previous Topic Next Topic
 
classic Classic list List threaded Threaded
2 messages Options
Reply | Threaded
Open this post in threaded view
|

unknown cipher?

Henderson, Karl

Hi All,

 

I’m a bit confused. We’re trying to get some number of the relative efficiency of different cypher algorithms using the openssl tool.

 

When I type:

 

openssl ciphers -tls1_3 -stdname -V

 

I see this as one of the results:

 

          0x13,0x02 - TLS_AES_256_GCM_SHA384 - TLS_AES_256_GCM_SHA384  TLSv1.3 Kx=any      Au=any  Enc=AESGCM(256) Mac=AEAD

 

However, when I try to do a speed test on this algorithm

 

openssl speed -evp TLS_AES_256_GCM_SHA384

speed: TLS_AES_256_GCM_SHA384 is an unknown cipher or digest

 

What am I missing?

 

Thanks,

Karl


--
openssl-users mailing list
To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-users
Reply | Threaded
Open this post in threaded view
|

Re: unknown cipher?

Viktor Dukhovni


> On Jul 31, 2018, at 5:08 PM, Henderson, Karl <[hidden email]> wrote:
>
> When I type:
>  
> openssl ciphers -tls1_3 -stdname -V
>  
> I see this as one of the results:
>  
>           0x13,0x02 - TLS_AES_256_GCM_SHA384 - TLS_AES_256_GCM_SHA384  TLSv1.3 Kx=any      Au=any Enc=AESGCM(256) Mac=AEAD

This is a TLS cipher-suite.

> However, when I try to do a speed test on this algorithm
>  
> openssl speed -evp TLS_AES_256_GCM_SHA384

This command tests the performance of basic cryptographic algorithms supported
by the libcrypto EVP layer, such as AES, SHA256, RSA, ...

> speed: TLS_AES_256_GCM_SHA384 is an unknown cipher or digest
>  
> What am I missing?

TLS cipher-suites are from libssl, and are not EVP-layer cryptographic
algorithms.

--
        Viktor.

--
openssl-users mailing list
To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-users