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Diffstat (limited to 'myproposal.h')
| -rw-r--r-- | myproposal.h | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/myproposal.h b/myproposal.h new file mode 100644 index 0000000..27b4a15 --- /dev/null +++ b/myproposal.h @@ -0,0 +1,209 @@ +/* $OpenBSD: myproposal.h,v 1.57 2018/09/12 01:34:02 djm Exp $ */ + +/* + * Copyright (c) 2000 Markus Friedl. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <openssl/opensslv.h> + +/* conditional algorithm support */ + +#ifdef OPENSSL_HAS_ECC +#ifdef OPENSSL_HAS_NISTP521 +# define KEX_ECDH_METHODS \ + "ecdh-sha2-nistp256," \ + "ecdh-sha2-nistp384," \ + "ecdh-sha2-nistp521," +# define HOSTKEY_ECDSA_CERT_METHODS \ + "ecdsa-sha2-nistp256-cert-v01@openssh.com," \ + "ecdsa-sha2-nistp384-cert-v01@openssh.com," \ + "ecdsa-sha2-nistp521-cert-v01@openssh.com," +# define HOSTKEY_ECDSA_METHODS \ + "ecdsa-sha2-nistp256," \ + "ecdsa-sha2-nistp384," \ + "ecdsa-sha2-nistp521," +#else +# define KEX_ECDH_METHODS \ + "ecdh-sha2-nistp256," \ + "ecdh-sha2-nistp384," +# define HOSTKEY_ECDSA_CERT_METHODS \ + "ecdsa-sha2-nistp256-cert-v01@openssh.com," \ + "ecdsa-sha2-nistp384-cert-v01@openssh.com," +# define HOSTKEY_ECDSA_METHODS \ + "ecdsa-sha2-nistp256," \ + "ecdsa-sha2-nistp384," +#endif +#else +# define KEX_ECDH_METHODS +# define HOSTKEY_ECDSA_CERT_METHODS +# define HOSTKEY_ECDSA_METHODS +#endif + +#ifdef OPENSSL_HAVE_EVPGCM +# define AESGCM_CIPHER_MODES \ + ",aes128-gcm@openssh.com,aes256-gcm@openssh.com" +#else +# define AESGCM_CIPHER_MODES +#endif + +#ifdef HAVE_EVP_SHA256 +# define KEX_SHA2_METHODS \ + "diffie-hellman-group-exchange-sha256," \ + "diffie-hellman-group16-sha512," \ + "diffie-hellman-group18-sha512," +# define KEX_SHA2_GROUP14 \ + "diffie-hellman-group14-sha256," +#define SHA2_HMAC_MODES \ + "hmac-sha2-256," \ + "hmac-sha2-512," +#else +# define KEX_SHA2_METHODS +# define KEX_SHA2_GROUP14 +# define SHA2_HMAC_MODES +#endif + +#ifdef WITH_OPENSSL +# ifdef HAVE_EVP_SHA256 +# define KEX_CURVE25519_METHODS \ + "curve25519-sha256," \ + "curve25519-sha256@libssh.org," +# else +# define KEX_CURVE25519_METHODS "" +# endif +#define KEX_COMMON_KEX \ + KEX_CURVE25519_METHODS \ + KEX_ECDH_METHODS \ + KEX_SHA2_METHODS + +#define KEX_SERVER_KEX KEX_COMMON_KEX \ + KEX_SHA2_GROUP14 \ + "diffie-hellman-group14-sha1" \ + +#define KEX_CLIENT_KEX KEX_COMMON_KEX \ + "diffie-hellman-group-exchange-sha1," \ + KEX_SHA2_GROUP14 \ + "diffie-hellman-group14-sha1" + +#define KEX_DEFAULT_PK_ALG \ + HOSTKEY_ECDSA_CERT_METHODS \ + "ssh-ed25519-cert-v01@openssh.com," \ + "rsa-sha2-512-cert-v01@openssh.com," \ + "rsa-sha2-256-cert-v01@openssh.com," \ + "ssh-rsa-cert-v01@openssh.com," \ + HOSTKEY_ECDSA_METHODS \ + "ssh-ed25519," \ + "rsa-sha2-512," \ + "rsa-sha2-256," \ + "ssh-rsa" + +/* the actual algorithms */ + +#define KEX_SERVER_ENCRYPT \ + "chacha20-poly1305@openssh.com," \ + "aes128-ctr,aes192-ctr,aes256-ctr" \ + AESGCM_CIPHER_MODES + +#define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT + +#define KEX_SERVER_MAC \ + "umac-64-etm@openssh.com," \ + "umac-128-etm@openssh.com," \ + "hmac-sha2-256-etm@openssh.com," \ + "hmac-sha2-512-etm@openssh.com," \ + "hmac-sha1-etm@openssh.com," \ + "umac-64@openssh.com," \ + "umac-128@openssh.com," \ + "hmac-sha2-256," \ + "hmac-sha2-512," \ + "hmac-sha1" + +#define KEX_CLIENT_MAC KEX_SERVER_MAC + +/* Not a KEX value, but here so all the algorithm defaults are together */ +#define SSH_ALLOWED_CA_SIGALGS \ + "ecdsa-sha2-nistp256," \ + "ecdsa-sha2-nistp384," \ + "ecdsa-sha2-nistp521," \ + "ssh-ed25519," \ + "rsa-sha2-512," \ + "rsa-sha2-256," \ + "ssh-rsa" + +#else /* WITH_OPENSSL */ + +#define KEX_SERVER_KEX \ + "curve25519-sha256," \ + "curve25519-sha256@libssh.org" +#define KEX_DEFAULT_PK_ALG \ + "ssh-ed25519-cert-v01@openssh.com," \ + "ssh-ed25519" +#define KEX_SERVER_ENCRYPT \ + "chacha20-poly1305@openssh.com," \ + "aes128-ctr,aes192-ctr,aes256-ctr" +#define KEX_SERVER_MAC \ + "umac-64-etm@openssh.com," \ + "umac-128-etm@openssh.com," \ + "hmac-sha2-256-etm@openssh.com," \ + "hmac-sha2-512-etm@openssh.com," \ + "hmac-sha1-etm@openssh.com," \ + "umac-64@openssh.com," \ + "umac-128@openssh.com," \ + "hmac-sha2-256," \ + "hmac-sha2-512," \ + "hmac-sha1" + +#define KEX_CLIENT_KEX KEX_SERVER_KEX +#define KEX_CLIENT_ENCRYPT KEX_SERVER_ENCRYPT +#define KEX_CLIENT_MAC KEX_SERVER_MAC + +#define SSH_ALLOWED_CA_SIGALGS "ssh-ed25519" + +#endif /* WITH_OPENSSL */ + +#define KEX_DEFAULT_COMP "none,zlib@openssh.com" +#define KEX_DEFAULT_LANG "" + +#define KEX_CLIENT \ + KEX_CLIENT_KEX, \ + KEX_DEFAULT_PK_ALG, \ + KEX_CLIENT_ENCRYPT, \ + KEX_CLIENT_ENCRYPT, \ + KEX_CLIENT_MAC, \ + KEX_CLIENT_MAC, \ + KEX_DEFAULT_COMP, \ + KEX_DEFAULT_COMP, \ + KEX_DEFAULT_LANG, \ + KEX_DEFAULT_LANG + +#define KEX_SERVER \ + KEX_SERVER_KEX, \ + KEX_DEFAULT_PK_ALG, \ + KEX_SERVER_ENCRYPT, \ + KEX_SERVER_ENCRYPT, \ + KEX_SERVER_MAC, \ + KEX_SERVER_MAC, \ + KEX_DEFAULT_COMP, \ + KEX_DEFAULT_COMP, \ + KEX_DEFAULT_LANG, \ + KEX_DEFAULT_LANG + |