1 /* Copyright (C) 2009, 2010 Simon Josefsson 2 * Copyright (C) 2006, 2007 The Written Word, Inc. All rights reserved. 3 * Copyright (C) 2010-2019 Daniel Stenberg 4 * 5 * Redistribution and use in source and binary forms, 6 * with or without modification, are permitted provided 7 * that the following conditions are met: 8 * 9 * Redistributions of source code must retain the above 10 * copyright notice, this list of conditions and the 11 * following disclaimer. 12 * 13 * Redistributions in binary form must reproduce the above 14 * copyright notice, this list of conditions and the following 15 * disclaimer in the documentation and/or other materials 16 * provided with the distribution. 17 * 18 * Neither the name of the copyright holder nor the names 19 * of any other contributors may be used to endorse or 20 * promote products derived from this software without 21 * specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 24 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, 25 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 26 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 28 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 29 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 30 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 33 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 34 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE 35 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 36 * OF SUCH DAMAGE. 37 */ 38 #ifndef LIBSSH2_CRYPTO_H 39 #define LIBSSH2_CRYPTO_H 40 41 #ifdef LIBSSH2_OPENSSL 42 #include "openssl.h" 43 #endif 44 45 #ifdef LIBSSH2_LIBGCRYPT 46 #include "libgcrypt.h" 47 #endif 48 49 #ifdef LIBSSH2_WINCNG 50 #include "wincng.h" 51 #endif 52 53 #ifdef LIBSSH2_OS400QC3 54 #include "os400qc3.h" 55 #endif 56 57 #ifdef LIBSSH2_MBEDTLS 58 #include "mbedtls.h" 59 #endif 60 61 #define LIBSSH2_ED25519_KEY_LEN 32 62 #define LIBSSH2_ED25519_PRIVATE_KEY_LEN 64 63 #define LIBSSH2_ED25519_SIG_LEN 64 64 65 #if LIBSSH2_RSA 66 int _libssh2_rsa_new(libssh2_rsa_ctx ** rsa, 67 const unsigned char *edata, 68 unsigned long elen, 69 const unsigned char *ndata, 70 unsigned long nlen, 71 const unsigned char *ddata, 72 unsigned long dlen, 73 const unsigned char *pdata, 74 unsigned long plen, 75 const unsigned char *qdata, 76 unsigned long qlen, 77 const unsigned char *e1data, 78 unsigned long e1len, 79 const unsigned char *e2data, 80 unsigned long e2len, 81 const unsigned char *coeffdata, unsigned long coefflen); 82 int _libssh2_rsa_new_private(libssh2_rsa_ctx ** rsa, 83 LIBSSH2_SESSION * session, 84 const char *filename, 85 unsigned const char *passphrase); 86 int _libssh2_rsa_sha1_verify(libssh2_rsa_ctx * rsa, 87 const unsigned char *sig, 88 unsigned long sig_len, 89 const unsigned char *m, unsigned long m_len); 90 int _libssh2_rsa_sha1_sign(LIBSSH2_SESSION * session, 91 libssh2_rsa_ctx * rsactx, 92 const unsigned char *hash, 93 size_t hash_len, 94 unsigned char **signature, 95 size_t *signature_len); 96 int _libssh2_rsa_new_private_frommemory(libssh2_rsa_ctx ** rsa, 97 LIBSSH2_SESSION * session, 98 const char *filedata, 99 size_t filedata_len, 100 unsigned const char *passphrase); 101 #endif 102 103 #if LIBSSH2_DSA 104 int _libssh2_dsa_new(libssh2_dsa_ctx ** dsa, 105 const unsigned char *pdata, 106 unsigned long plen, 107 const unsigned char *qdata, 108 unsigned long qlen, 109 const unsigned char *gdata, 110 unsigned long glen, 111 const unsigned char *ydata, 112 unsigned long ylen, 113 const unsigned char *x, unsigned long x_len); 114 int _libssh2_dsa_new_private(libssh2_dsa_ctx ** dsa, 115 LIBSSH2_SESSION * session, 116 const char *filename, 117 unsigned const char *passphrase); 118 int _libssh2_dsa_sha1_verify(libssh2_dsa_ctx * dsactx, 119 const unsigned char *sig, 120 const unsigned char *m, unsigned long m_len); 121 int _libssh2_dsa_sha1_sign(libssh2_dsa_ctx * dsactx, 122 const unsigned char *hash, 123 unsigned long hash_len, unsigned char *sig); 124 int _libssh2_dsa_new_private_frommemory(libssh2_dsa_ctx ** dsa, 125 LIBSSH2_SESSION * session, 126 const char *filedata, 127 size_t filedata_len, 128 unsigned const char *passphrase); 129 #endif 130 131 #if LIBSSH2_ECDSA 132 int 133 _libssh2_ecdsa_curve_name_with_octal_new(libssh2_ecdsa_ctx ** ecdsactx, 134 const unsigned char *k, 135 size_t k_len, 136 libssh2_curve_type type); 137 int 138 _libssh2_ecdsa_new_private(libssh2_ecdsa_ctx ** ec_ctx, 139 LIBSSH2_SESSION * session, 140 const char *filename, 141 unsigned const char *passphrase); 142 143 int 144 _libssh2_ecdsa_verify(libssh2_ecdsa_ctx * ctx, 145 const unsigned char *r, size_t r_len, 146 const unsigned char *s, size_t s_len, 147 const unsigned char *m, size_t m_len); 148 149 int 150 _libssh2_ecdsa_create_key(LIBSSH2_SESSION *session, 151 _libssh2_ec_key **out_private_key, 152 unsigned char **out_public_key_octal, 153 size_t *out_public_key_octal_len, 154 libssh2_curve_type curve_type); 155 156 int 157 _libssh2_ecdh_gen_k(_libssh2_bn **k, _libssh2_ec_key *private_key, 158 const unsigned char *server_public_key, 159 size_t server_public_key_len); 160 161 int 162 _libssh2_ecdsa_sign(LIBSSH2_SESSION *session, libssh2_ecdsa_ctx *ec_ctx, 163 const unsigned char *hash, unsigned long hash_len, 164 unsigned char **signature, size_t *signature_len); 165 166 int _libssh2_ecdsa_new_private_frommemory(libssh2_ecdsa_ctx ** ec_ctx, 167 LIBSSH2_SESSION * session, 168 const char *filedata, 169 size_t filedata_len, 170 unsigned const char *passphrase); 171 172 libssh2_curve_type 173 _libssh2_ecdsa_key_get_curve_type(_libssh2_ec_key *key); 174 175 int 176 _libssh2_ecdsa_curve_type_from_name(const char *name, 177 libssh2_curve_type *out_type); 178 179 #endif /* LIBSSH2_ECDSA */ 180 181 #if LIBSSH2_ED25519 182 183 int 184 _libssh2_curve25519_new(LIBSSH2_SESSION *session, libssh2_ed25519_ctx **ctx, 185 uint8_t **out_public_key, uint8_t **out_private_key); 186 187 int 188 _libssh2_curve25519_gen_k(_libssh2_bn **k, 189 uint8_t private_key[LIBSSH2_ED25519_KEY_LEN], 190 uint8_t server_public_key[LIBSSH2_ED25519_KEY_LEN]); 191 192 int 193 _libssh2_ed25519_verify(libssh2_ed25519_ctx *ctx, const uint8_t *s, 194 size_t s_len, const uint8_t *m, size_t m_len); 195 196 int 197 _libssh2_ed25519_new_private(libssh2_ed25519_ctx **ed_ctx, 198 LIBSSH2_SESSION *session, 199 const char *filename, const uint8_t *passphrase); 200 201 int 202 _libssh2_ed25519_new_public(libssh2_ed25519_ctx **ed_ctx, 203 LIBSSH2_SESSION *session, 204 const unsigned char *raw_pub_key, 205 const uint8_t key_len); 206 207 int 208 _libssh2_ed25519_sign(libssh2_ed25519_ctx *ctx, LIBSSH2_SESSION *session, 209 uint8_t **out_sig, size_t *out_sig_len, 210 const uint8_t *message, size_t message_len); 211 212 int 213 _libssh2_ed25519_new_private_frommemory(libssh2_ed25519_ctx **ed_ctx, 214 LIBSSH2_SESSION *session, 215 const char *filedata, 216 size_t filedata_len, 217 unsigned const char *passphrase); 218 219 #endif /* LIBSSH2_ED25519 */ 220 221 222 int _libssh2_cipher_init(_libssh2_cipher_ctx * h, 223 _libssh2_cipher_type(algo), 224 unsigned char *iv, 225 unsigned char *secret, int encrypt); 226 227 int _libssh2_cipher_crypt(_libssh2_cipher_ctx * ctx, 228 _libssh2_cipher_type(algo), 229 int encrypt, unsigned char *block, size_t blocksize); 230 231 int _libssh2_pub_priv_keyfile(LIBSSH2_SESSION *session, 232 unsigned char **method, 233 size_t *method_len, 234 unsigned char **pubkeydata, 235 size_t *pubkeydata_len, 236 const char *privatekey, 237 const char *passphrase); 238 239 int _libssh2_pub_priv_keyfilememory(LIBSSH2_SESSION *session, 240 unsigned char **method, 241 size_t *method_len, 242 unsigned char **pubkeydata, 243 size_t *pubkeydata_len, 244 const char *privatekeydata, 245 size_t privatekeydata_len, 246 const char *passphrase); 247 248 #endif 249