Vendor/libssh2/Headers/libgcrypt.h

   1 /* Copyright (C) 2006, 2007 The Written Word, Inc.  All rights reserved.
   2  * Author: Simon Josefsson
   3  *
   4  * Redistribution and use in source and binary forms,
   5  * with or without modification, are permitted provided
   6  * that the following conditions are met:
   7  *
   8  *   Redistributions of source code must retain the above
   9  *   copyright notice, this list of conditions and the
  10  *   following disclaimer.
  11  *
  12  *   Redistributions in binary form must reproduce the above
  13  *   copyright notice, this list of conditions and the following
  14  *   disclaimer in the documentation and/or other materials
  15  *   provided with the distribution.
  16  *
  17  *   Neither the name of the copyright holder nor the names
  18  *   of any other contributors may be used to endorse or
  19  *   promote products derived from this software without
  20  *   specific prior written permission.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
  23  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
  24  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  25  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  26  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  27  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  28  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  29  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  30  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  31  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  32  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  33  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  34  * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
  35  * OF SUCH DAMAGE.
  36  */
  37
  38 #include <gcrypt.h>
  39
  40 #define LIBSSH2_MD5 1
  41
  42 #define LIBSSH2_HMAC_RIPEMD 1
  43
  44 #define LIBSSH2_AES 1
  45 #define LIBSSH2_BLOWFISH 1
  46 #define LIBSSH2_RC4 1
  47 #define LIBSSH2_CAST 1
  48 #define LIBSSH2_3DES 1
  49
  50 #define LIBSSH2_RSA 1
  51 #define LIBSSH2_DSA 1
  52
  53 #define MD5_DIGEST_LENGTH 16
  54 #define SHA_DIGEST_LENGTH 20
  55
  56 #define libssh2_random(buf, len)                \
  57   (gcry_randomize ((buf), (len), GCRY_STRONG_RANDOM), 1)
  58
  59 #define libssh2_sha1_ctx gcry_md_hd_t
  60 #define libssh2_sha1_init(ctx) gcry_md_open (ctx,  GCRY_MD_SHA1, 0);
  61 #define libssh2_sha1_update(ctx, data, len) gcry_md_write (ctx, data, len)
  62 #define libssh2_sha1_final(ctx, out) \
  63   memcpy (out, gcry_md_read (ctx, 0), 20), gcry_md_close (ctx)
  64 #define libssh2_sha1(message, len, out) \
  65   gcry_md_hash_buffer (GCRY_MD_SHA1, out, message, len)
  66
  67 #define libssh2_md5_ctx gcry_md_hd_t
  68 #define libssh2_md5_init(ctx) gcry_md_open (ctx,  GCRY_MD_MD5, 0);
  69 #define libssh2_md5_update(ctx, data, len) gcry_md_write (ctx, data, len)
  70 #define libssh2_md5_final(ctx, out) \
  71   memcpy (out, gcry_md_read (ctx, 0), 20), gcry_md_close (ctx)
  72 #define libssh2_md5(message, len, out) \
  73   gcry_md_hash_buffer (GCRY_MD_MD5, out, message, len)
  74
  75 #define libssh2_hmac_ctx gcry_md_hd_t
  76 #define libssh2_hmac_sha1_init(ctx, key, keylen) \
  77   gcry_md_open (ctx, GCRY_MD_SHA1, GCRY_MD_FLAG_HMAC), \
  78     gcry_md_setkey (*ctx, key, keylen)
  79 #define libssh2_hmac_md5_init(ctx, key, keylen) \
  80   gcry_md_open (ctx, GCRY_MD_MD5, GCRY_MD_FLAG_HMAC), \
  81     gcry_md_setkey (*ctx, key, keylen)
  82 #define libssh2_hmac_ripemd160_init(ctx, key, keylen) \
  83   gcry_md_open (ctx, GCRY_MD_RMD160, GCRY_MD_FLAG_HMAC), \
  84     gcry_md_setkey (*ctx, key, keylen)
  85 #define libssh2_hmac_update(ctx, data, datalen) \
  86   gcry_md_write (ctx, data, datalen)
  87 #define libssh2_hmac_final(ctx, data) \
  88   memcpy (data, gcry_md_read (ctx, 0), \
  89       gcry_md_get_algo_dlen (gcry_md_get_algo (ctx)))
  90 #define libssh2_hmac_cleanup(ctx) gcry_md_close (*ctx);
  91
  92 #define libssh2_crypto_init() gcry_control (GCRYCTL_DISABLE_SECMEM)
  93
  94 #define libssh2_rsa_ctx struct gcry_sexp
  95
  96 int _libssh2_rsa_new(libssh2_rsa_ctx ** rsa,
  97                      const unsigned char *edata,
  98                      unsigned long elen,
  99                      const unsigned char *ndata,
 100                      unsigned long nlen,
 101                      const unsigned char *ddata,
 102                      unsigned long dlen,
 103                      const unsigned char *pdata,
 104                      unsigned long plen,
 105                      const unsigned char *qdata,
 106                      unsigned long qlen,
 107                      const unsigned char *e1data,
 108                      unsigned long e1len,
 109                      const unsigned char *e2data,
 110                      unsigned long e2len,
 111                      const unsigned char *coeffdata, unsigned long coefflen);
 112 int _libssh2_rsa_new_private(libssh2_rsa_ctx ** rsa,
 113                              LIBSSH2_SESSION * session,
 114                              FILE * fp, unsigned const char *passphrase);
 115 int _libssh2_rsa_sha1_verify(libssh2_rsa_ctx * rsa,
 116                              const unsigned char *sig,
 117                              unsigned long sig_len,
 118                              const unsigned char *m, unsigned long m_len);
 119 int _libssh2_rsa_sha1_sign(LIBSSH2_SESSION * session,
 120                            libssh2_rsa_ctx * rsactx,
 121                            const unsigned char *hash,
 122                            unsigned long hash_len,
 123                            unsigned char **signature,
 124                            unsigned long *signature_len);
 125
 126 #define _libssh2_rsa_free(rsactx)  gcry_sexp_release (rsactx)
 127
 128 #define libssh2_dsa_ctx struct gcry_sexp
 129
 130 int _libssh2_dsa_new(libssh2_dsa_ctx ** dsa,
 131                      const unsigned char *pdata,
 132                      unsigned long plen,
 133                      const unsigned char *qdata,
 134                      unsigned long qlen,
 135                      const unsigned char *gdata,
 136                      unsigned long glen,
 137                      const unsigned char *ydata,
 138                      unsigned long ylen,
 139                      const unsigned char *x, unsigned long x_len);
 140 int _libssh2_dsa_new_private(libssh2_dsa_ctx ** dsa,
 141                              LIBSSH2_SESSION * session,
 142                              FILE * fp, unsigned const char *passphrase);
 143 int _libssh2_dsa_sha1_verify(libssh2_dsa_ctx * dsa,
 144                              const unsigned char *sig,
 145                              const unsigned char *m, unsigned long m_len);
 146 int _libssh2_dsa_sha1_sign(libssh2_dsa_ctx * dsactx,
 147                            const unsigned char *hash,
 148                            unsigned long hash_len, unsigned char *sig);
 149
 150 #define _libssh2_dsa_free(dsactx)  gcry_sexp_release (dsactx)
 151
 152 #define _libssh2_cipher_type(name) int name
 153 #define _libssh2_cipher_ctx gcry_cipher_hd_t
 154
 155 #define _libssh2_cipher_aes256 GCRY_CIPHER_AES256
 156 #define _libssh2_cipher_aes192 GCRY_CIPHER_AES192
 157 #define _libssh2_cipher_aes128 GCRY_CIPHER_AES128
 158 #define _libssh2_cipher_blowfish GCRY_CIPHER_BLOWFISH
 159 #define _libssh2_cipher_arcfour GCRY_CIPHER_ARCFOUR
 160 #define _libssh2_cipher_cast5 GCRY_CIPHER_CAST5
 161 #define _libssh2_cipher_3des GCRY_CIPHER_3DES
 162
 163 int _libssh2_cipher_init(_libssh2_cipher_ctx * h,
 164                          _libssh2_cipher_type(algo),
 165                          unsigned char *iv,
 166                          unsigned char *secret, int encrypt);
 167
 168 int _libssh2_cipher_crypt(_libssh2_cipher_ctx * ctx,
 169                           _libssh2_cipher_type(algo),
 170                           int encrypt, unsigned char *block);
 171
 172 #define _libssh2_cipher_dtor(ctx) gcry_cipher_close(*(ctx))
 173
 174 #define _libssh2_bn struct gcry_mpi
 175 #define _libssh2_bn_ctx int
 176 #define _libssh2_bn_ctx_new() 0
 177 #define _libssh2_bn_ctx_free(bnctx) 0
 178 #define _libssh2_bn_init() gcry_mpi_new(0)
 179 #define _libssh2_bn_rand(bn, bits, top, bottom) gcry_mpi_randomize (bn, bits, GCRY_WEAK_RANDOM)
 180 #define _libssh2_bn_mod_exp(r, a, p, m, ctx) gcry_mpi_powm (r, a, p, m)
 181 #define _libssh2_bn_set_word(bn, val) gcry_mpi_set_ui(bn, val)
 182 #define _libssh2_bn_from_bin(bn, len, val) gcry_mpi_scan(&((bn)), GCRYMPI_FMT_USG, val, len, NULL)
 183 #define _libssh2_bn_to_bin(bn, val) gcry_mpi_print (GCRYMPI_FMT_USG, val, _libssh2_bn_bytes(bn), NULL, bn)
 184 #define _libssh2_bn_bytes(bn) (gcry_mpi_get_nbits (bn) / 8 + ((gcry_mpi_get_nbits (bn) % 8 == 0) ? 0 : 1))
 185 #define _libssh2_bn_bits(bn) gcry_mpi_get_nbits (bn)
 186 #define _libssh2_bn_free(bn) gcry_mpi_release(bn)