Listing TLS 1.3 Ciphers

Dennis Clarke dclarke at
Wed Apr 10 16:13:27 UTC 2019

On 4/10/19 7:37 AM, Richard Moore wrote:
> Hi All,
> I haven't found a way to list the supported openssl ciphers from the 
> command line (i.e. get the list of potential values for -ciphersuites). 
> I understand that currently there are only 5 options however this could 
> change over time, so I wanted to avoid hard coding the list in a script. 
> Am I missing something?
> Thanks
> Rich

Strangely I only see three :

nix$ openssl version
OpenSSL 1.1.1b  26 Feb 2019
nix$ openssl ciphers -V -tls1_3 -s
           0x13,0x02 - TLS_AES_256_GCM_SHA384  TLSv1.3 Kx=any 
Au=any  Enc=AESGCM(256) Mac=AEAD
           0x13,0x03 - TLS_CHACHA20_POLY1305_SHA256 TLSv1.3 Kx=any 
Au=any  Enc=CHACHA20/POLY1305(256) Mac=AEAD
           0x13,0x01 - TLS_AES_128_GCM_SHA256  TLSv1.3 Kx=any 
Au=any  Enc=AESGCM(128) Mac=AEAD

Very odd. I thought that there were more at one point.

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