| /* $OpenBSD: key.h,v 1.32 2010/09/09 10:45:45 djm Exp $ */ |
| |
| /* |
| * Copyright (c) 2000, 2001 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. |
| */ |
| #ifndef KEY_H |
| #define KEY_H |
| |
| #include "buffer.h" |
| #include <openssl/rsa.h> |
| #include <openssl/dsa.h> |
| #include <openssl/ec.h> |
| |
| typedef struct Key Key; |
| enum types { |
| KEY_RSA1, |
| KEY_RSA, |
| KEY_DSA, |
| KEY_ECDSA, |
| KEY_RSA_CERT, |
| KEY_DSA_CERT, |
| KEY_ECDSA_CERT, |
| KEY_RSA_CERT_V00, |
| KEY_DSA_CERT_V00, |
| KEY_UNSPEC |
| }; |
| enum fp_type { |
| SSH_FP_SHA1, |
| SSH_FP_MD5 |
| }; |
| enum fp_rep { |
| SSH_FP_HEX, |
| SSH_FP_BUBBLEBABBLE, |
| SSH_FP_RANDOMART |
| }; |
| |
| /* key is stored in external hardware */ |
| #define KEY_FLAG_EXT 0x0001 |
| |
| #define CERT_MAX_PRINCIPALS 256 |
| struct KeyCert { |
| Buffer certblob; /* Kept around for use on wire */ |
| u_int type; /* SSH2_CERT_TYPE_USER or SSH2_CERT_TYPE_HOST */ |
| u_int64_t serial; |
| char *key_id; |
| u_int nprincipals; |
| char **principals; |
| u_int64_t valid_after, valid_before; |
| Buffer critical; |
| Buffer extensions; |
| Key *signature_key; |
| }; |
| |
| struct Key { |
| int type; |
| int flags; |
| RSA *rsa; |
| DSA *dsa; |
| int ecdsa_nid; /* NID of curve */ |
| EC_KEY *ecdsa; |
| struct KeyCert *cert; |
| }; |
| |
| Key *key_new(int); |
| void key_add_private(Key *); |
| Key *key_new_private(int); |
| void key_free(Key *); |
| Key *key_demote(const Key *); |
| int key_equal_public(const Key *, const Key *); |
| int key_equal(const Key *, const Key *); |
| char *key_fingerprint(Key *, enum fp_type, enum fp_rep); |
| u_char *key_fingerprint_raw(Key *, enum fp_type, u_int *); |
| const char *key_type(const Key *); |
| const char *key_cert_type(const Key *); |
| int key_write(const Key *, FILE *); |
| int key_read(Key *, char **); |
| u_int key_size(const Key *); |
| |
| Key *key_generate(int, u_int); |
| Key *key_from_private(const Key *); |
| int key_type_from_name(char *); |
| int key_is_cert(const Key *); |
| int key_type_plain(int); |
| int key_to_certified(Key *, int); |
| int key_drop_cert(Key *); |
| int key_certify(Key *, Key *); |
| void key_cert_copy(const Key *, struct Key *); |
| int key_cert_check_authority(const Key *, int, int, const char *, |
| const char **); |
| int key_cert_is_legacy(Key *); |
| |
| int key_ecdsa_nid_from_name(const char *); |
| int key_curve_name_to_nid(const char *); |
| const char * key_curve_nid_to_name(int); |
| u_int key_curve_nid_to_bits(int); |
| int key_ecdsa_bits_to_nid(int); |
| int key_ecdsa_group_to_nid(const EC_GROUP *); |
| const EVP_MD * key_ec_nid_to_evpmd(int nid); |
| int key_ec_validate_public(const EC_GROUP *, const EC_POINT *); |
| int key_ec_validate_private(const EC_KEY *); |
| |
| Key *key_from_blob(const u_char *, u_int); |
| int key_to_blob(const Key *, u_char **, u_int *); |
| const char *key_ssh_name(const Key *); |
| const char *key_ssh_name_plain(const Key *); |
| int key_names_valid2(const char *); |
| |
| int key_sign(const Key *, u_char **, u_int *, const u_char *, u_int); |
| int key_verify(const Key *, const u_char *, u_int, const u_char *, u_int); |
| |
| int ssh_dss_sign(const Key *, u_char **, u_int *, const u_char *, u_int); |
| int ssh_dss_verify(const Key *, const u_char *, u_int, const u_char *, u_int); |
| int ssh_ecdsa_sign(const Key *, u_char **, u_int *, const u_char *, u_int); |
| int ssh_ecdsa_verify(const Key *, const u_char *, u_int, const u_char *, u_int); |
| int ssh_rsa_sign(const Key *, u_char **, u_int *, const u_char *, u_int); |
| int ssh_rsa_verify(const Key *, const u_char *, u_int, const u_char *, u_int); |
| |
| #if defined(DEBUG_KEXECDH) || defined(DEBUG_PK) |
| void key_dump_ec_point(const EC_GROUP *, const EC_POINT *); |
| void key_dump_ec_key(const EC_KEY *); |
| #endif |
| |
| #endif |