diff options
author | Dr. Stephen Henson <steve@openssl.org> | 2012-11-16 00:42:38 +0000 |
---|---|---|
committer | Dr. Stephen Henson <steve@openssl.org> | 2012-11-16 00:42:38 +0000 |
commit | ffa457967982689149fa8403a1d57cee1dbee805 (patch) | |
tree | 6ca8d6412645f890894e4559e9d856d3a7e131d8 /doc | |
parent | 51b9115b6dcaf94718de3c8b4d97b00f8cd63cd5 (diff) |
initial update of ciphers doc
Diffstat (limited to 'doc')
-rw-r--r-- | doc/apps/ciphers.pod | 172 |
1 files changed, 146 insertions, 26 deletions
diff --git a/doc/apps/ciphers.pod b/doc/apps/ciphers.pod index f44aa00a2f..2151be944d 100644 --- a/doc/apps/ciphers.pod +++ b/doc/apps/ciphers.pod @@ -12,6 +12,7 @@ B<openssl> B<ciphers> [B<-ssl2>] [B<-ssl3>] [B<-tls1>] +[B<-stdnames>] [B<cipherlist>] =head1 DESCRIPTION @@ -36,7 +37,7 @@ SSL v2 and for SSL v3/TLS v1. =item B<-V> -Like B<-V>, but include cipher suite codes in output (hex format). +Like B<-v>, but include cipher suite codes in output (hex format). =item B<-ssl3> @@ -50,6 +51,11 @@ only include SSL v2 ciphers. only include TLS v1 ciphers. +=item B<-stdname> + +precede each ciphersuite by its standard name: only available is OpenSSL +is built with tracing enabled (B<enable-ssl-trace> argument to Configure). + =item B<-h>, B<-?> print a brief usage message. @@ -130,17 +136,18 @@ the cipher suites not enabled by B<ALL>, currently being B<eNULL>. =item B<HIGH> -"high" encryption cipher suites. This currently means those with key lengths larger -than 128 bits, and some cipher suites with 128-bit keys. +"high" encryption cipher suites. This currently means those with key lengths +larger than 128 bits, and some cipher suites with 128-bit keys. =item B<MEDIUM> -"medium" encryption cipher suites, currently some of those using 128 bit encryption. +"medium" encryption cipher suites, currently some of those using 128 bit +encryption. =item B<LOW> -"low" encryption cipher suites, currently those using 64 or 56 bit encryption algorithms -but excluding export cipher suites. +"low" encryption cipher suites, currently those using 64 or 56 bit encryption +algorithms but excluding export cipher suites. =item B<EXP>, B<EXPORT> @@ -168,22 +175,18 @@ the cipher suites offering no authentication. This is currently the anonymous DH algorithms. These cipher suites are vulnerable to a "man in the middle" attack and so their use is normally discouraged. -=item B<kRSA>, B<RSA> +=item B<kRSA>, B<aRSA>, B<RSA> -cipher suites using RSA key exchange. +cipher suites using RSA key exchange, authentication or either respectively. =item B<kEDH> cipher suites using ephemeral DH key agreement. -=item B<kDHr>, B<kDHd> +=item B<kDHr>, B<kDHd>, B<kDH> cipher suites using DH key agreement and DH certificates signed by CAs with RSA -and DSS keys respectively. Not implemented. - -=item B<aRSA> - -cipher suites using RSA authentication, i.e. the certificates carry RSA keys. +and DSS keys or either respectively. =item B<aDSS>, B<DSS> @@ -192,32 +195,39 @@ cipher suites using DSS authentication, i.e. the certificates carry DSS keys. =item B<aDH> cipher suites effectively using DH authentication, i.e. the certificates carry -DH keys. Not implemented. +DH keys. =item B<kFZA>, B<aFZA>, B<eFZA>, B<FZA> ciphers suites using FORTEZZA key exchange, authentication, encryption or all FORTEZZA algorithms. Not implemented. -=item B<TLSv1>, B<SSLv3>, B<SSLv2> +=item B<TLSv1.2>, B<TLSv1>, B<SSLv3>, B<SSLv2> -TLS v1.0, SSL v3.0 or SSL v2.0 cipher suites respectively. +TLS v1.2, TLS v1.0, SSL v3.0 or SSL v2.0 cipher suites respectively. Note: +there are no ciphersuites specific to TLS v1.1. =item B<DH> -cipher suites using DH, including anonymous DH. +cipher suites using DH, including anonymous DH, ephemeral DH and fixed DH. =item B<ADH> anonymous DH cipher suites. -=item B<AES> +=item B<AES128>, B<AES256>, B<AES> + +cipher suites using 128 bit AES, 256 bit AES or either 128 or 256 bit AES. + +=item B<AESGCM> -cipher suites using AES. +AES in Galois Counter Mode (GCM): these ciphersuites are only supported +in TLS v1.2. -=item B<CAMELLIA> +=item B<CAMELLIA128>, B<CAMELLIA256>, B<CAMELLIA> -cipher suites using Camellia. +cipher suites using 128 bit CAMELLIA, 256 bit CAMELLIA or either 128 or 256 bit +CAMELLIA. =item B<3DES> @@ -251,6 +261,10 @@ cipher suites using MD5. cipher suites using SHA1. +=item B<SHA256>, B<SHA384> + +ciphersuites using SHA256 or SHA384. + =item B<aGOST> cipher suites using GOST R 34.10 (either 2001 or 94) for authenticaction @@ -277,6 +291,21 @@ cipher suites, using HMAC based on GOST R 34.11-94. cipher suites using GOST 28147-89 MAC B<instead of> HMAC. +=item B<PSK> + +cipher suites using pre-shared keys (PSK). + +=item B<SUITEB128>, B<SUITEB128ONLY>, B<SUITEB192> + +enables suite B mode operation using 128 (permitting 192 bit mode by peer) +128 bit (not permitting 192 bit by peer) or 192 bit level of security +respectively. If used these cipherstrings should appear first in the cipher +list and anything after them is ignored. Setting Suite B mode has additional +consequences required to comply with RFC6460. In particular the supported +signature algorithms is reduced to support only ECDSA and SHA256 or SHA384, +only the elliptic curves P-256 and P-384 can be used and only the two suite B +compliant ciphersuites (ECDHE-ECDSA-AES128-GCM-SHA256 and +ECDHE-ECDSA-AES256-GCM-SHA384) are permissible. =back @@ -423,7 +452,100 @@ Note: these ciphers can also be used in SSL v3. TLS_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA EXP1024-DHE-DSS-RC4-SHA TLS_DHE_DSS_WITH_RC4_128_SHA DHE-DSS-RC4-SHA -=head2 SSL v2.0 cipher suites. +=head2 Elliptic curve cipher suites. + + TLS_ECDH_RSA_WITH_NULL_SHA ECDH-RSA-NULL-SHA + TLS_ECDH_RSA_WITH_RC4_128_SHA ECDH-RSA-RC4-SHA + TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA ECDH-RSA-DES-CBC3-SHA + 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 + +=head2 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 DH-RSA-AES128-SHA256 + TLS_DH_RSA_WITH_AES_256_CBC_SHA256 DH-RSA-AES256-SHA256 + TLS_DH_RSA_WITH_AES_128_GCM_SHA256 DH-RSA-AES128-GCM-SHA256 + TLS_DH_RSA_WITH_AES_256_GCM_SHA384 DH-RSA-AES256-GCM-SHA384 + + TLS_DH_DSS_WITH_AES_128_CBC_SHA256 DH-DSS-AES128-SHA256 + TLS_DH_DSS_WITH_AES_256_CBC_SHA256 DH-DSS-AES256-SHA256 + TLS_DH_DSS_WITH_AES_128_GCM_SHA256 DH-DSS-AES128-GCM-SHA256 + TLS_DH_DSS_WITH_AES_256_GCM_SHA384 DH-DSS-AES256-GCM-SHA384 + + 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_DHE_DSS_WITH_AES_128_GCM_SHA256 DHE-DSS-AES128-GCM-SHA256 + TLS_DHE_DSS_WITH_AES_256_GCM_SHA384 DHE-DSS-AES256-GCM-SHA384 + + TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 ECDH-RSA-AES128-SHA256 + TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 ECDH-RSA-AES256-SHA384 + TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 ECDH-RSA-AES128-GCM-SHA256 + TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 ECDH-RSA-AES256-GCM-SHA384 + + TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 ECDH-ECDSA-AES128-SHA256 + TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 ECDH-ECDSA-AES256-SHA384 + TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 ECDH-ECDSA-AES128-GCM-SHA256 + TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 ECDH-ECDSA-AES256-GCM-SHA384 + + TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 ECDHE-RSA-AES128-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 + +=head2 Pre shared keying (PSK) cipheruites + + TLS_PSK_WITH_AES_256_CBC_SHA PSK-AES256-CBC-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_RC4_128_SHA PSK-RC4-SHA + +=head2 Deprecated SSL v2.0 cipher suites. SSL_CK_RC4_128_WITH_MD5 RC4-MD5 SSL_CK_RC4_128_EXPORT40_WITH_MD5 EXP-RC4-MD5 @@ -433,10 +555,8 @@ Note: these ciphers can also be used in SSL v3. SSL_CK_DES_64_CBC_WITH_MD5 DES-CBC-MD5 SSL_CK_DES_192_EDE3_CBC_WITH_MD5 DES-CBC3-MD5 -=head1 NOTES -The non-ephemeral DH modes are currently unimplemented in OpenSSL -because there is no support for DH certificates. +=head1 NOTES Some compiled versions of OpenSSL may not include all the ciphers listed here because some ciphers were excluded at compile time. |