1 /* $OpenBSD: key.h,v 1.27 2008/06/11 21:01:35 grunk Exp $ */ 2 3 /* 4 * Copyright (c) 2000, 2001 Markus Friedl. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 #ifndef KEY_H 27 #define KEY_H 28 29 #include <openssl/rsa.h> 30 #include <openssl/dsa.h> 31 32 typedef struct Key Key; 33 enum types { 34 KEY_RSA1, 35 KEY_RSA, 36 KEY_DSA, 37 KEY_UNSPEC 38 }; 39 enum fp_type { 40 SSH_FP_SHA1, 41 SSH_FP_MD5 42 }; 43 enum fp_rep { 44 SSH_FP_HEX, 45 SSH_FP_BUBBLEBABBLE, 46 SSH_FP_RANDOMART 47 }; 48 49 /* key is stored in external hardware */ 50 #define KEY_FLAG_EXT 0x0001 51 52 struct Key { 53 int type; 54 int flags; 55 RSA *rsa; 56 DSA *dsa; 57 }; 58 59 Key *key_new(int); 60 Key *key_new_private(int); 61 void key_free(Key *); 62 Key *key_demote(const Key *); 63 int key_equal(const Key *, const Key *); 64 char *key_fingerprint(const Key *, enum fp_type, enum fp_rep); 65 u_char *key_fingerprint_raw(const Key *, enum fp_type, u_int *); 66 const char *key_type(const Key *); 67 int key_write(const Key *, FILE *); 68 int key_read(Key *, char **); 69 u_int key_size(const Key *); 70 71 Key *key_generate(int, u_int); 72 Key *key_from_private(const Key *); 73 int key_type_from_name(char *); 74 75 Key *key_from_blob(const u_char *, u_int); 76 int key_to_blob(const Key *, u_char **, u_int *); 77 const char *key_ssh_name(const Key *); 78 int key_names_valid2(const char *); 79 80 int key_sign(const Key *, u_char **, u_int *, const u_char *, u_int); 81 int key_verify(const Key *, const u_char *, u_int, const u_char *, u_int); 82 83 int ssh_dss_sign(const Key *, u_char **, u_int *, const u_char *, u_int); 84 int ssh_dss_verify(const Key *, const u_char *, u_int, const u_char *, u_int); 85 int ssh_rsa_sign(const Key *, u_char **, u_int *, const u_char *, u_int); 86 int ssh_rsa_verify(const Key *, const u_char *, u_int, const u_char *, u_int); 87 88 #endif 89