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    Command:

    ciphers

    
    
    

    SYNOPSIS

           openssl ciphers [-v] [-V] [-ssl2] [-ssl3] [-tls1] [cipherlist]
    
    
    

    DESCRIPTION

           The ciphers command converts textual OpenSSL cipher lists into ordered
           SSL cipher preference lists. It can be used as a test tool to determine
           the appropriate cipherlist.
    
    
    

    COMMAND OPTIONS

           -v  Verbose option. List ciphers with a complete description of
               protocol version (SSLv2 or SSLv3; the latter includes TLS), key
               exchange, authentication, encryption and mac algorithms used along
               with any key size restrictions and whether the algorithm is classed
               as an "export" cipher.  Note that without the -v option, ciphers
               may seem to appear twice in a cipher list; this is when similar
               ciphers are available for SSL v2 and for SSL v3/TLS v1.
    
           -V  Like -v, but include cipher suite codes in output (hex format).
    
           -ssl3
               only include SSL v3 ciphers.
    
           -ssl2
               only include SSL v2 ciphers.
    
           -tls1
               only include TLS v1 ciphers.
    
           -h, -?
               print a brief usage message.
    
           cipherlist
               a cipher list to convert to a cipher preference list. If it is not
               included then the default cipher list will be used. The format is
               described below.
    
    
    

    CIPHER LIST FORMAT

           The cipher list consists of one or more cipher strings separated by
           colons.  Commas or spaces are also acceptable separators but colons are
           normally used.
    
           The actual cipher string can take several different forms.
    
           It can consist of a single cipher suite such as RC4-SHA.
    
           It can represent a list of cipher suites containing a certain
           algorithm, or cipher suites of a certain type. For example SHA1
           represents all ciphers suites using the digest algorithm SHA1 and SSLv3
           represents all SSL v3 algorithms.
    
           Lists of cipher suites can be combined in a single cipher string using
           the + character. This is used as a logical and operation. For example
           option doesn't add any new ciphers it just moves matching existing
           ones.
    
           If none of these characters is present then the string is just
           interpreted as a list of ciphers to be appended to the current
           preference list. If the list includes any ciphers already present they
           will be ignored: that is they will not moved to the end of the list.
    
           Additionally the cipher string @STRENGTH can be used at any point to
           sort the current cipher list in order of encryption algorithm key
           length.
    
    
    

    CIPHER STRINGS

           The following is a list of all permitted cipher strings and their
           meanings.
    
           DEFAULT
               the default cipher list. This is determined at compile time and, as
               of OpenSSL 1.0.0, is normally ALL:!aNULL:!eNULL. This must be the
               first cipher string specified.
    
           COMPLEMENTOFDEFAULT
               the ciphers included in ALL, but not enabled by default. Currently
               this is ADH and AECDH. Note that this rule does not cover eNULL,
               which is not included by ALL (use COMPLEMENTOFALL if necessary).
    
           ALL all cipher suites except the eNULL ciphers which must be explicitly
               enabled; as of OpenSSL, the ALL cipher suites are reasonably
               ordered by default
    
           COMPLEMENTOFALL
               the cipher suites not enabled by ALL, currently being eNULL.
    
           HIGH
               "high" encryption cipher suites. This currently means those with
               key lengths larger than 128 bits, and some cipher suites with
               128-bit keys.
    
           MEDIUM
               "medium" encryption cipher suites, currently some of those using
               128 bit encryption.
    
           LOW "low" encryption cipher suites, currently those using 64 or 56 bit
               encryption algorithms but excluding export cipher suites.
    
           EXP, EXPORT
               export encryption algorithms. Including 40 and 56 bits algorithms.
    
           EXPORT40
               40 bit export encryption algorithms
    
           EXPORT56
    
           kRSA, RSA
               cipher suites using RSA key exchange.
    
           kDHr, kDHd, kDH
               cipher suites using DH key agreement and DH certificates signed by
               CAs with RSA and DSS keys or either respectively. Not implemented.
    
           kEDH
               cipher suites using ephemeral DH key agreement, including anonymous
               cipher suites.
    
           EDH cipher suites using authenticated ephemeral DH key agreement.
    
           ADH anonymous DH cipher suites, note that this does not include
               anonymous Elliptic Curve DH (ECDH) cipher suites.
    
           DH  cipher suites using DH, including anonymous DH, ephemeral DH and
               fixed DH.
    
           kECDHr, kECDHe, kECDH
               cipher suites using fixed ECDH key agreement signed by CAs with RSA
               and ECDSA keys or either respectively.
    
           kEECDH
               cipher suites using ephemeral ECDH key agreement, including
               anonymous cipher suites.
    
           EECDHE
               cipher suites using authenticated ephemeral ECDH key agreement.
    
           AECDH
               anonymous Elliptic Curve Diffie Hellman cipher suites.
    
           ECDH
               cipher suites using ECDH key exchange, including anonymous,
               ephemeral and fixed ECDH.
    
           aRSA
               cipher suites using RSA authentication, i.e. the certificates carry
               RSA keys.
    
           aDSS, DSS
               cipher suites using DSS authentication, i.e. the certificates carry
               DSS keys.
    
           aDH cipher suites effectively using DH authentication, i.e. the
               certificates carry DH keys.  Not implemented.
    
           aECDH
               cipher suites effectively using ECDH authentication, i.e. the
               certificates carry ECDH keys.
               cipher suites using 128 bit AES, 256 bit AES or either 128 or 256
               bit AES.
    
           AESGCM
               AES in Galois Counter Mode (GCM): these ciphersuites are only
               supported in TLS v1.2.
    
           CAMELLIA128, CAMELLIA256, CAMELLIA
               cipher suites using 128 bit CAMELLIA, 256 bit CAMELLIA or either
               128 or 256 bit CAMELLIA.
    
           3DES
               cipher suites using triple DES.
    
           DES cipher suites using DES (not triple DES).
    
           RC4 cipher suites using RC4.
    
           RC2 cipher suites using RC2.
    
           IDEA
               cipher suites using IDEA.
    
           SEED
               cipher suites using SEED.
    
           MD5 cipher suites using MD5.
    
           SHA1, SHA
               cipher suites using SHA1.
    
           SHA256, SHA384
               ciphersuites using SHA256 or SHA384.
    
           aGOST
               cipher suites using GOST R 34.10 (either 2001 or 94) for
               authenticaction (needs an engine supporting GOST algorithms).
    
           aGOST01
               cipher suites using GOST R 34.10-2001 authentication.
    
           aGOST94
               cipher suites using GOST R 34.10-94 authentication (note that R
               34.10-94 standard has been expired so use GOST R 34.10-2001)
    
           kGOST
               cipher suites, using VKO 34.10 key exchange, specified in the RFC
               4357.
    
           GOST94
               cipher suites, using HMAC based on GOST R 34.11-94.
    
            SSL_RSA_WITH_NULL_SHA                   NULL-SHA
            SSL_RSA_EXPORT_WITH_RC4_40_MD5          EXP-RC4-MD5
            SSL_RSA_WITH_RC4_128_MD5                RC4-MD5
            SSL_RSA_WITH_RC4_128_SHA                RC4-SHA
            SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5      EXP-RC2-CBC-MD5
            SSL_RSA_WITH_IDEA_CBC_SHA               IDEA-CBC-SHA
            SSL_RSA_EXPORT_WITH_DES40_CBC_SHA       EXP-DES-CBC-SHA
            SSL_RSA_WITH_DES_CBC_SHA                DES-CBC-SHA
            SSL_RSA_WITH_3DES_EDE_CBC_SHA           DES-CBC3-SHA
    
            SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA    Not implemented.
            SSL_DH_DSS_WITH_DES_CBC_SHA             Not implemented.
            SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA        Not implemented.
            SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA    Not implemented.
            SSL_DH_RSA_WITH_DES_CBC_SHA             Not implemented.
            SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA        Not implemented.
            SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA   EXP-EDH-DSS-DES-CBC-SHA
            SSL_DHE_DSS_WITH_DES_CBC_SHA            EDH-DSS-CBC-SHA
            SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA       EDH-DSS-DES-CBC3-SHA
            SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA   EXP-EDH-RSA-DES-CBC-SHA
            SSL_DHE_RSA_WITH_DES_CBC_SHA            EDH-RSA-DES-CBC-SHA
            SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA       EDH-RSA-DES-CBC3-SHA
    
            SSL_DH_anon_EXPORT_WITH_RC4_40_MD5      EXP-ADH-RC4-MD5
            SSL_DH_anon_WITH_RC4_128_MD5            ADH-RC4-MD5
            SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA   EXP-ADH-DES-CBC-SHA
            SSL_DH_anon_WITH_DES_CBC_SHA            ADH-DES-CBC-SHA
            SSL_DH_anon_WITH_3DES_EDE_CBC_SHA       ADH-DES-CBC3-SHA
    
            SSL_FORTEZZA_KEA_WITH_NULL_SHA          Not implemented.
            SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA  Not implemented.
            SSL_FORTEZZA_KEA_WITH_RC4_128_SHA       Not implemented.
    
       TLS v1.0 cipher suites.
            TLS_RSA_WITH_NULL_MD5                   NULL-MD5
            TLS_RSA_WITH_NULL_SHA                   NULL-SHA
            TLS_RSA_EXPORT_WITH_RC4_40_MD5          EXP-RC4-MD5
            TLS_RSA_WITH_RC4_128_MD5                RC4-MD5
            TLS_RSA_WITH_RC4_128_SHA                RC4-SHA
            TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5      EXP-RC2-CBC-MD5
            TLS_RSA_WITH_IDEA_CBC_SHA               IDEA-CBC-SHA
            TLS_RSA_EXPORT_WITH_DES40_CBC_SHA       EXP-DES-CBC-SHA
            TLS_RSA_WITH_DES_CBC_SHA                DES-CBC-SHA
            TLS_RSA_WITH_3DES_EDE_CBC_SHA           DES-CBC3-SHA
    
            TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA    Not implemented.
            TLS_DH_DSS_WITH_DES_CBC_SHA             Not implemented.
            TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA        Not implemented.
            TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA    Not implemented.
            TLS_DH_RSA_WITH_DES_CBC_SHA             Not implemented.
            TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA        Not implemented.
            TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA   EXP-EDH-DSS-DES-CBC-SHA
            TLS_RSA_WITH_AES_256_CBC_SHA            AES256-SHA
    
            TLS_DH_DSS_WITH_AES_128_CBC_SHA         Not implemented.
            TLS_DH_DSS_WITH_AES_256_CBC_SHA         Not implemented.
            TLS_DH_RSA_WITH_AES_128_CBC_SHA         Not implemented.
            TLS_DH_RSA_WITH_AES_256_CBC_SHA         Not implemented.
    
            TLS_DHE_DSS_WITH_AES_128_CBC_SHA        DHE-DSS-AES128-SHA
            TLS_DHE_DSS_WITH_AES_256_CBC_SHA        DHE-DSS-AES256-SHA
            TLS_DHE_RSA_WITH_AES_128_CBC_SHA        DHE-RSA-AES128-SHA
            TLS_DHE_RSA_WITH_AES_256_CBC_SHA        DHE-RSA-AES256-SHA
    
            TLS_DH_anon_WITH_AES_128_CBC_SHA        ADH-AES128-SHA
            TLS_DH_anon_WITH_AES_256_CBC_SHA        ADH-AES256-SHA
    
       Camellia ciphersuites from RFC4132, extending TLS v1.0
            TLS_RSA_WITH_CAMELLIA_128_CBC_SHA      CAMELLIA128-SHA
            TLS_RSA_WITH_CAMELLIA_256_CBC_SHA      CAMELLIA256-SHA
    
            TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA   Not implemented.
            TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA   Not implemented.
            TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA   Not implemented.
            TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA   Not implemented.
    
            TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA  DHE-DSS-CAMELLIA128-SHA
            TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA  DHE-DSS-CAMELLIA256-SHA
            TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA  DHE-RSA-CAMELLIA128-SHA
            TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA  DHE-RSA-CAMELLIA256-SHA
    
            TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA  ADH-CAMELLIA128-SHA
            TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA  ADH-CAMELLIA256-SHA
    
       SEED ciphersuites from RFC4162, extending TLS v1.0
            TLS_RSA_WITH_SEED_CBC_SHA              SEED-SHA
    
            TLS_DH_DSS_WITH_SEED_CBC_SHA           Not implemented.
            TLS_DH_RSA_WITH_SEED_CBC_SHA           Not implemented.
    
            TLS_DHE_DSS_WITH_SEED_CBC_SHA          DHE-DSS-SEED-SHA
            TLS_DHE_RSA_WITH_SEED_CBC_SHA          DHE-RSA-SEED-SHA
    
            TLS_DH_anon_WITH_SEED_CBC_SHA          ADH-SEED-SHA
    
       GOST ciphersuites from draft-chudov-cryptopro-cptls, extending TLS v1.0
           Note: these ciphers require an engine which including GOST
           cryptographic algorithms, such as the ccgost engine, included in the
           OpenSSL distribution.
    
            TLS_GOSTR341094_WITH_28147_CNT_IMIT GOST94-GOST89-GOST89
            TLS_GOSTR341001_WITH_28147_CNT_IMIT GOST2001-GOST89-GOST89
            TLS_GOSTR341094_WITH_NULL_GOSTR3411 GOST94-NULL-GOST94
            TLS_GOSTR341001_WITH_NULL_GOSTR3411 GOST2001-NULL-GOST94
            TLS_ECDH_RSA_WITH_AES_128_CBC_SHA       ECDH-RSA-AES128-SHA
            TLS_ECDH_RSA_WITH_AES_256_CBC_SHA       ECDH-RSA-AES256-SHA
    
            TLS_ECDH_ECDSA_WITH_NULL_SHA            ECDH-ECDSA-NULL-SHA
            TLS_ECDH_ECDSA_WITH_RC4_128_SHA         ECDH-ECDSA-RC4-SHA
            TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA    ECDH-ECDSA-DES-CBC3-SHA
            TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA     ECDH-ECDSA-AES128-SHA
            TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA     ECDH-ECDSA-AES256-SHA
    
            TLS_ECDHE_RSA_WITH_NULL_SHA             ECDHE-RSA-NULL-SHA
            TLS_ECDHE_RSA_WITH_RC4_128_SHA          ECDHE-RSA-RC4-SHA
            TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA     ECDHE-RSA-DES-CBC3-SHA
            TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA      ECDHE-RSA-AES128-SHA
            TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA      ECDHE-RSA-AES256-SHA
    
            TLS_ECDHE_ECDSA_WITH_NULL_SHA           ECDHE-ECDSA-NULL-SHA
            TLS_ECDHE_ECDSA_WITH_RC4_128_SHA        ECDHE-ECDSA-RC4-SHA
            TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA   ECDHE-ECDSA-DES-CBC3-SHA
            TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA    ECDHE-ECDSA-AES128-SHA
            TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA    ECDHE-ECDSA-AES256-SHA
    
            TLS_ECDH_anon_WITH_NULL_SHA             AECDH-NULL-SHA
            TLS_ECDH_anon_WITH_RC4_128_SHA          AECDH-RC4-SHA
            TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA     AECDH-DES-CBC3-SHA
            TLS_ECDH_anon_WITH_AES_128_CBC_SHA      AECDH-AES128-SHA
            TLS_ECDH_anon_WITH_AES_256_CBC_SHA      AECDH-AES256-SHA
    
       TLS v1.2 cipher suites
            TLS_RSA_WITH_NULL_SHA256                  NULL-SHA256
    
            TLS_RSA_WITH_AES_128_CBC_SHA256           AES128-SHA256
            TLS_RSA_WITH_AES_256_CBC_SHA256           AES256-SHA256
            TLS_RSA_WITH_AES_128_GCM_SHA256           AES128-GCM-SHA256
            TLS_RSA_WITH_AES_256_GCM_SHA384           AES256-GCM-SHA384
    
            TLS_DH_RSA_WITH_AES_128_CBC_SHA256        Not implemented.
            TLS_DH_RSA_WITH_AES_256_CBC_SHA256        Not implemented.
            TLS_DH_RSA_WITH_AES_128_GCM_SHA256        Not implemented.
            TLS_DH_RSA_WITH_AES_256_GCM_SHA384        Not implemented.
    
            TLS_DH_DSS_WITH_AES_128_CBC_SHA256        Not implemented.
            TLS_DH_DSS_WITH_AES_256_CBC_SHA256        Not implemented.
            TLS_DH_DSS_WITH_AES_128_GCM_SHA256        Not implemented.
            TLS_DH_DSS_WITH_AES_256_GCM_SHA384        Not implemented.
    
            TLS_DHE_RSA_WITH_AES_128_CBC_SHA256       DHE-RSA-AES128-SHA256
            TLS_DHE_RSA_WITH_AES_256_CBC_SHA256       DHE-RSA-AES256-SHA256
            TLS_DHE_RSA_WITH_AES_128_GCM_SHA256       DHE-RSA-AES128-GCM-SHA256
            TLS_DHE_RSA_WITH_AES_256_GCM_SHA384       DHE-RSA-AES256-GCM-SHA384
    
            TLS_DHE_DSS_WITH_AES_128_CBC_SHA256       DHE-DSS-AES128-SHA256
            TLS_DHE_DSS_WITH_AES_256_CBC_SHA256       DHE-DSS-AES256-SHA256
            TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384     ECDHE-RSA-AES256-SHA384
            TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256     ECDHE-RSA-AES128-GCM-SHA256
            TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384     ECDHE-RSA-AES256-GCM-SHA384
    
            TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256   ECDHE-ECDSA-AES128-SHA256
            TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384   ECDHE-ECDSA-AES256-SHA384
            TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256   ECDHE-ECDSA-AES128-GCM-SHA256
            TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384   ECDHE-ECDSA-AES256-GCM-SHA384
    
            TLS_DH_anon_WITH_AES_128_CBC_SHA256       ADH-AES128-SHA256
            TLS_DH_anon_WITH_AES_256_CBC_SHA256       ADH-AES256-SHA256
            TLS_DH_anon_WITH_AES_128_GCM_SHA256       ADH-AES128-GCM-SHA256
            TLS_DH_anon_WITH_AES_256_GCM_SHA384       ADH-AES256-GCM-SHA384
    
       Pre shared keying (PSK) cipheruites
            TLS_PSK_WITH_RC4_128_SHA                  PSK-RC4-SHA
            TLS_PSK_WITH_3DES_EDE_CBC_SHA             PSK-3DES-EDE-CBC-SHA
            TLS_PSK_WITH_AES_128_CBC_SHA              PSK-AES128-CBC-SHA
            TLS_PSK_WITH_AES_256_CBC_SHA              PSK-AES256-CBC-SHA
    
       Deprecated SSL v2.0 cipher suites.
            SSL_CK_RC4_128_WITH_MD5                 RC4-MD5
            SSL_CK_RC4_128_EXPORT40_WITH_MD5        EXP-RC4-MD5
            SSL_CK_RC2_128_CBC_WITH_MD5             RC2-MD5
            SSL_CK_RC2_128_CBC_EXPORT40_WITH_MD5    EXP-RC2-MD5
            SSL_CK_IDEA_128_CBC_WITH_MD5            IDEA-CBC-MD5
            SSL_CK_DES_64_CBC_WITH_MD5              DES-CBC-MD5
            SSL_CK_DES_192_EDE3_CBC_WITH_MD5        DES-CBC3-MD5
    
    
    

    NOTES

           The non-ephemeral DH modes are currently unimplemented in OpenSSL
           because there is no support for DH certificates.
    
           Some compiled versions of OpenSSL may not include all the ciphers
           listed here because some ciphers were excluded at compile time.
    
    
    

    EXAMPLES

           Verbose listing of all OpenSSL ciphers including NULL ciphers:
    
            openssl ciphers -v 'ALL:eNULL'
    
           Include all ciphers except NULL and anonymous DH then sort by strength:
    
            openssl ciphers -v 'ALL:!ADH:@STRENGTH'
    
           Include all ciphers except ones with no encryption (eNULL) or no
           authentication (aNULL):
    
            openssl ciphers -v 'ALL:!aNULL'
    
           Include only 3DES ciphers and then place RSA ciphers last:
    
    
    

    HISTORY

           The COMPLENTOFALL and COMPLEMENTOFDEFAULT selection options for
           cipherlist strings were added in OpenSSL 0.9.7.  The -V option for the
           ciphers command was added in OpenSSL 1.0.0.
    
    
    

    1.0.1e 2016-01-07 CIPHERS(1)

    
    
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