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annotate signkey.h @ 1674:ba6fc7afe1c5

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use sigtype where appropriate
author Matt Johnston <matt@ucc.asn.au>
date Mon, 06 Apr 2020 23:18:26 +0800
parents d32bcb5c557d
children ae41624c2198
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1 /*
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2 * Dropbear - a SSH2 server
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3 *
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4 * Copyright (c) 2002,2003 Matt Johnston
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5 * All rights reserved.
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6 *
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7 * Permission is hereby granted, free of charge, to any person obtaining a copy
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8 * of this software and associated documentation files (the "Software"), to deal
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9 * in the Software without restriction, including without limitation the rights
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10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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11 * copies of the Software, and to permit persons to whom the Software is
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12 * furnished to do so, subject to the following conditions:
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13 *
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14 * The above copyright notice and this permission notice shall be included in
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15 * all copies or substantial portions of the Software.
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16 *
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17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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23 * SOFTWARE. */
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24
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25 #ifndef DROPBEAR_SIGNKEY_H_
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26 #define DROPBEAR_SIGNKEY_H_
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27
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28 #include "buffer.h"
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29
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30 /* Forward declarations */
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31 struct dropbear_DSS_Key;
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32 struct dropbear_RSA_Key;
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33 struct dropbear_ED25519_Key;
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34
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35 enum signkey_type {
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36 #if DROPBEAR_RSA
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37 DROPBEAR_SIGNKEY_RSA,
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38 #endif
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39 #if DROPBEAR_DSS
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40 DROPBEAR_SIGNKEY_DSS,
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41 #endif
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42 #if DROPBEAR_ECDSA
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43 DROPBEAR_SIGNKEY_ECDSA_NISTP256,
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44 DROPBEAR_SIGNKEY_ECDSA_NISTP384,
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45 DROPBEAR_SIGNKEY_ECDSA_NISTP521,
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46 #endif /* DROPBEAR_ECDSA */
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47 #if DROPBEAR_ED25519
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48 DROPBEAR_SIGNKEY_ED25519,
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49 #endif
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50 DROPBEAR_SIGNKEY_NUM_NAMED,
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51 DROPBEAR_SIGNKEY_ECDSA_KEYGEN = 70, /* just "ecdsa" for keygen */
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52 #if DROPBEAR_RSA_SHA256
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53 DROPBEAR_SIGNKEY_RSA_SHA256, /* rsa-sha2-256 signature. has a ssh-rsa key */
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54 #endif
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55 DROPBEAR_SIGNKEY_ANY = 80,
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56 DROPBEAR_SIGNKEY_NONE = 90,
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57 };
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58
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59
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60 /* Sources for signing keys */
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61 typedef enum {
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62 SIGNKEY_SOURCE_RAW_FILE,
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63 SIGNKEY_SOURCE_AGENT,
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64 SIGNKEY_SOURCE_INVALID,
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65 } signkey_source;
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66
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67 struct SIGN_key {
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68
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69 enum signkey_type type;
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70 signkey_source source;
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71 char *filename;
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72
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73 #if DROPBEAR_DSS
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74 struct dropbear_DSS_Key * dsskey;
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75 #endif
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76 #if DROPBEAR_RSA
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77 struct dropbear_RSA_Key * rsakey;
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78 #endif
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79 #if DROPBEAR_ECDSA
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80 #if DROPBEAR_ECC_256
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81 ecc_key * ecckey256;
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82 #endif
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83 #if DROPBEAR_ECC_384
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84 ecc_key * ecckey384;
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85 #endif
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86 #if DROPBEAR_ECC_521
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87 ecc_key * ecckey521;
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88 #endif
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89 #endif
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90 #if DROPBEAR_ED25519
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91 struct dropbear_ED25519_Key * ed25519key;
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92 #endif
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93 };
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94
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95 typedef struct SIGN_key sign_key;
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96
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97 sign_key * new_sign_key(void);
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98 const char* signkey_name_from_type(enum signkey_type type, unsigned int *namelen);
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99 enum signkey_type signkey_type_from_name(const char* name, unsigned int namelen);
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100 const char* signature_name_from_type(enum signkey_type type, unsigned int *namelen);
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101 enum signkey_type signature_type_from_name(const char* name, unsigned int namelen);
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102 enum signkey_type signkey_type_from_signature(enum signkey_type sigtype);
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103 int buf_get_pub_key(buffer *buf, sign_key *key, enum signkey_type *type);
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104 int buf_get_priv_key(buffer* buf, sign_key *key, enum signkey_type *type);
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105 void buf_put_pub_key(buffer* buf, sign_key *key, enum signkey_type type);
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106 void buf_put_priv_key(buffer* buf, sign_key *key, enum signkey_type type);
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107 void sign_key_free(sign_key *key);
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108 void buf_put_sign(buffer* buf, sign_key *key, enum signkey_type sigtype, const buffer *data_buf);
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109 #if DROPBEAR_SIGNKEY_VERIFY
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110 int buf_verify(buffer * buf, sign_key *key, enum signkey_type type, const buffer *data_buf);
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111 char * sign_key_fingerprint(const unsigned char* keyblob, unsigned int keybloblen);
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112 #endif
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113 int cmp_base64_key(const unsigned char* keyblob, unsigned int keybloblen,
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114 const unsigned char* algoname, unsigned int algolen,
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115 const buffer * line, char ** fingerprint);
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116
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117 void** signkey_key_ptr(sign_key *key, enum signkey_type type);
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118
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119 #endif /* DROPBEAR_SIGNKEY_H_ */