| 1 | /* $OpenBSD: key.h,v 1.19 2002/03/18 17:23:31 markus Exp $ */ |
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| 2 | |
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| 3 | /* |
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| 4 | * Copyright (c) 2000, 2001 Markus Friedl. All rights reserved. |
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| 5 | * |
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| 6 | * Redistribution and use in source and binary forms, with or without |
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| 7 | * modification, are permitted provided that the following conditions |
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| 8 | * are met: |
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| 9 | * 1. Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * |
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| 15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 16 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 17 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 18 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 19 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 20 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 21 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 22 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 24 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 25 | */ |
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| 26 | #ifndef KEY_H |
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| 27 | #define KEY_H |
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| 28 | |
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| 29 | #include <openssl/rsa.h> |
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| 30 | #include <openssl/dsa.h> |
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| 31 | |
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| 32 | typedef struct Key Key; |
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| 33 | enum types { |
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| 34 | KEY_RSA1, |
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| 35 | KEY_RSA, |
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| 36 | KEY_DSA, |
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| 37 | KEY_NULL, |
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| 38 | KEY_UNSPEC |
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| 39 | }; |
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| 40 | enum fp_type { |
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| 41 | SSH_FP_SHA1, |
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| 42 | SSH_FP_MD5 |
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| 43 | }; |
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| 44 | enum fp_rep { |
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| 45 | SSH_FP_HEX, |
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| 46 | SSH_FP_BUBBLEBABBLE |
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| 47 | }; |
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| 48 | |
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| 49 | /* key is stored in external hardware */ |
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| 50 | #define KEY_FLAG_EXT 0x0001 |
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| 51 | |
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| 52 | struct Key { |
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| 53 | int type; |
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| 54 | int flags; |
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| 55 | RSA *rsa; |
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| 56 | DSA *dsa; |
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| 57 | }; |
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| 58 | |
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| 59 | Key *key_new(int); |
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| 60 | Key *key_new_private(int); |
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| 61 | void key_free(Key *); |
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| 62 | Key *key_demote(Key *); |
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| 63 | int key_equal(Key *, Key *); |
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| 64 | char *key_fingerprint(Key *, enum fp_type, enum fp_rep); |
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| 65 | char *key_type(Key *); |
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| 66 | int key_write(Key *, FILE *); |
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| 67 | int key_read(Key *, char **); |
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| 68 | u_int key_size(Key *); |
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| 69 | |
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| 70 | Key *key_generate(int, u_int); |
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| 71 | Key *key_from_private(Key *); |
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| 72 | int key_type_from_name(char *); |
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| 73 | |
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| 74 | Key *key_from_blob(u_char *, int); |
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| 75 | int key_to_blob(Key *, u_char **, u_int *); |
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| 76 | char *key_ssh_name(Key *); |
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| 77 | int key_names_valid2(const char *); |
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| 78 | |
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| 79 | int key_sign(Key *, u_char **, u_int *, u_char *, u_int); |
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| 80 | int key_verify(Key *, u_char *, u_int, u_char *, u_int); |
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| 81 | |
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| 82 | #endif |
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