On Wed, Aug 09, 2017 at 04:07:30PM +0000, Salz, Rich via openssl-users wrote:
> > From [this][1] link I can see that TLS1.2 does not have 3DES in their
> > available
> > cipher list. So I guess it does not support?
>
> Right:
>
> ; ./apps/openssl ciphers -v HIGH+TLSv1.2:!MD5:!SHA1 | grep DES
> ; ./apps/openssl ciphers -v TLSv1.2:!MD5:!SHA1 | grep DES
> ; ./apps/openssl ciphers -v TLSv1.2 | grep DES
This is wrong. The "TLSv1.2" ciphers are just the ciphers that
are *new* in TLS 1.2. A number of TLS 1.2 ciphers date back to
SSLv3. The right way to see TLS 1.2 3DES ciphers is:
$ openssl ciphers -s tls1_2 -V 3DES
0xC0,0x12 - ECDHE-RSA-DES-CBC3-SHA SSLv3 Kx=ECDH Au=RSA
Enc=3DES(168) Mac=SHA1
0xC0,0x08 - ECDHE-ECDSA-DES-CBC3-SHA SSLv3 Kx=ECDH Au=ECDSA
Enc=3DES(168) Mac=SHA1
0xC0,0x1C - SRP-DSS-3DES-EDE-CBC-SHA SSLv3 Kx=SRP Au=DSS
Enc=3DES(168) Mac=SHA1
0xC0,0x1B - SRP-RSA-3DES-EDE-CBC-SHA SSLv3 Kx=SRP Au=RSA
Enc=3DES(168) Mac=SHA1
0xC0,0x1A - SRP-3DES-EDE-CBC-SHA SSLv3 Kx=SRP Au=SRP
Enc=3DES(168) Mac=SHA1
0x00,0x16 - EDH-RSA-DES-CBC3-SHA SSLv3 Kx=DH Au=RSA
Enc=3DES(168) Mac=SHA1
0x00,0x13 - EDH-DSS-DES-CBC3-SHA SSLv3 Kx=DH Au=DSS
Enc=3DES(168) Mac=SHA1
0x00,0x10 - DH-RSA-DES-CBC3-SHA SSLv3 Kx=DH/RSA Au=DH
Enc=3DES(168) Mac=SHA1
0x00,0x0D - DH-DSS-DES-CBC3-SHA SSLv3 Kx=DH/DSS Au=DH
Enc=3DES(168) Mac=SHA1
0xC0,0x17 - AECDH-DES-CBC3-SHA SSLv3 Kx=ECDH Au=None
Enc=3DES(168) Mac=SHA1
0x00,0x1B - ADH-DES-CBC3-SHA SSLv3 Kx=DH Au=None
Enc=3DES(168) Mac=SHA1
0xC0,0x0D - ECDH-RSA-DES-CBC3-SHA SSLv3 Kx=ECDH/RSA Au=ECDH
Enc=3DES(168) Mac=SHA1
0xC0,0x03 - ECDH-ECDSA-DES-CBC3-SHA SSLv3 Kx=ECDH/ECDSA Au=ECDH
Enc=3DES(168) Mac=SHA1
0x00,0x0A - DES-CBC3-SHA SSLv3 Kx=RSA Au=RSA
Enc=3DES(168) Mac=SHA1
0x00,0x8B - PSK-3DES-EDE-CBC-SHA SSLv3 Kx=PSK Au=PSK
Enc=3DES(168) Mac=SHA1
See Appendix A.5 of RFC5246 for some of the above 3DES codepoints.
See also the IANA TLS ciphersuite registry.
--
Viktor.
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