[openssl-users] AESCBC support in SSL

[ASHIQUE CK]

Also I use OpenSSL 1.1.0h.

On Mon, Nov 19, 2018 at 11:36 AM ASHIQUE CK <ckashiquekvk at gmail.com> wrote:

> No, We use Ubuntu 16.04 OS
>
> On Mon, Nov 19, 2018 at 11:34 AM Dmitry Belyavsky <beldmit at gmail.com>
> wrote:
>
>> Do you use any RedHat-based OS?
>>
>> On Mon, Nov 19, 2018 at 8:54 AM ASHIQUE CK <ckashiquekvk at gmail.com>
>> wrote:
>>
>>> Is it the problem with that strings or  TLS/SSL version or any other ?
>>>
>>> On Mon, Nov 19, 2018 at 11:12 AM ASHIQUE CK <ckashiquekvk at gmail.com>
>>> wrote:
>>>
>>>> Hi,
>>>> I had given all the cipher strings for  "SSL_CTX_set_cipher_list" which
>>>> we get under the command 'openssl ciphers' that includes CBC, but any of
>>>> them didnot worked. All of them showed the error "error:141640B5:SSL
>>>> routines:tls_construct_client_hello:no ciphers available". I have used
>>>> TLSv1_2 or SSLv23.
>>>> Also I have tried setting  these strings for "SSLCipherSuite" at apache
>>>> server configuration. But it makes no change for choosing the server
>>>> default ciphersuit "ECDHE-RSA-AES256-GCM-SHA384".
>>>>
>>>> Thanks
>>>>
>>>> On Fri, Nov 16, 2018 at 9:15 PM Viktor Dukhovni <
>>>> openssl-users at dukhovni.org> wrote:
>>>>
>>>>>
>>>>>
>>>>> > On Nov 16, 2018, at 7:45 AM, ASHIQUE CK <ckashiquekvk at gmail.com>
>>>>> wrote:
>>>>> >
>>>>> > Does SSL connection supports AESCBC?
>>>>>
>>>>> Yes, but not under that name.
>>>>>
>>>>> >  I could not set AESCBC in "SSL_CTX_set_cipher_list" at client side
>>>>> or in "SSLCipherSuite" at apache server side.
>>>>>
>>>>> For example (constrained also to RSA and ECDHE to keep the list short):
>>>>>
>>>>>   $ openssl ciphers -v 'AES128+aRSA+kECDHE:!AESGCM'
>>>>>   ECDHE-RSA-AES128-SHA256 TLSv1.2 Kx=ECDH Au=RSA Enc=AES(128)
>>>>> Mac=SHA256
>>>>>   ECDHE-RSA-AES128-SHA TLSv1 Kx=ECDH Au=RSA Enc=AES(128) Mac=SHA1
>>>>>
>>>>> There isn't a cipherlist property that specifically selects CBC, so to
>>>>> get *only* CBC, you need to exclude AESGCM (and perhaps also AESCCM).
>>>>>
>>>>> --
>>>>>         Viktor.
>>>>>
>>>>> --
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>>>>>
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>>
>>
>> --
>> SY, Dmitry Belyavsky
>> --
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>
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