328 строки
10 KiB
C
328 строки
10 KiB
C
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/*
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* Copyright (C) 2013 Marc Hoersken <info@marc-hoersken.de>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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*
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* Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* Neither the name of the copyright holder nor the names
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* of any other contributors may be used to endorse or
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* promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*/
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#undef _WIN32_WINNT
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#define _WIN32_WINNT 0x0600
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#ifdef HAVE_WINDOWS_H
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#include <windows.h>
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#endif
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#ifdef HAVE_NTDEF_H
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#include <ntdef.h>
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#endif
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#ifdef HAVE_NTSTATUS_H
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#include <ntstatus.h>
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#endif
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#include <bcrypt.h>
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#define LIBSSH2_MD5 1
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#define LIBSSH2_HMAC_RIPEMD 0
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#define LIBSSH2_AES 1
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#define LIBSSH2_AES_CTR 0
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#define LIBSSH2_BLOWFISH 0
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#define LIBSSH2_RC4 1
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#define LIBSSH2_CAST 0
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#define LIBSSH2_3DES 1
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#define LIBSSH2_RSA 1
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#define LIBSSH2_DSA 1
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#define MD5_DIGEST_LENGTH 16
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#define SHA_DIGEST_LENGTH 20
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/*******************************************************************/
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/*
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* Windows CNG backend: Global context handles
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*/
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struct _libssh2_wincng_ctx {
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BCRYPT_ALG_HANDLE hAlgRNG;
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BCRYPT_ALG_HANDLE hAlgHashMD5;
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BCRYPT_ALG_HANDLE hAlgHashSHA1;
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BCRYPT_ALG_HANDLE hAlgHmacMD5;
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BCRYPT_ALG_HANDLE hAlgHmacSHA1;
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BCRYPT_ALG_HANDLE hAlgRSA;
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BCRYPT_ALG_HANDLE hAlgDSA;
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BCRYPT_ALG_HANDLE hAlgAES_CBC;
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BCRYPT_ALG_HANDLE hAlgRC4_NA;
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BCRYPT_ALG_HANDLE hAlg3DES_CBC;
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};
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struct _libssh2_wincng_ctx _libssh2_wincng;
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/*******************************************************************/
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/*
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* Windows CNG backend: Generic functions
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*/
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void _libssh2_wincng_init(void);
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void _libssh2_wincng_free(void);
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#define libssh2_crypto_init() \
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_libssh2_wincng_init()
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#define libssh2_crypto_exit() \
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_libssh2_wincng_free()
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#define _libssh2_random(buf, len) \
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_libssh2_wincng_random(buf, len)
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/*******************************************************************/
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/*
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* Windows CNG backend: Hash structure
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*/
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struct _libssh2_wincng_hash_ctx {
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BCRYPT_HASH_HANDLE hHash;
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unsigned char *pbHashObject;
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unsigned long dwHashObject;
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unsigned long cbHash;
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};
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#define _libssh2_wincng_hash_ctx struct _libssh2_wincng_hash_ctx
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/*
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* Windows CNG backend: Hash functions
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*/
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#define libssh2_sha1_ctx _libssh2_wincng_hash_ctx
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#define libssh2_sha1_init(ctx) \
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_libssh2_wincng_hash_init(ctx, _libssh2_wincng.hAlgHashSHA1, \
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SHA_DIGEST_LENGTH, NULL, 0)
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#define libssh2_sha1_update(ctx, data, datalen) \
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_libssh2_wincng_hash_update(&ctx, data, datalen)
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#define libssh2_sha1_final(ctx, hash) \
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_libssh2_wincng_hash_final(&ctx, hash)
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#define libssh2_sha1(data, datalen, hash) \
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_libssh2_wincng_hash(data, datalen, _libssh2_wincng.hAlgHashSHA1, \
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hash, SHA_DIGEST_LENGTH)
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#define libssh2_md5_ctx _libssh2_wincng_hash_ctx
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#define libssh2_md5_init(ctx) \
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_libssh2_wincng_hash_init(ctx, _libssh2_wincng.hAlgHashMD5, \
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MD5_DIGEST_LENGTH, NULL, 0)
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#define libssh2_md5_update(ctx, data, datalen) \
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_libssh2_wincng_hash_update(&ctx, data, datalen)
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#define libssh2_md5_final(ctx, hash) \
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_libssh2_wincng_hash_final(&ctx, hash)
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#define libssh2_md5(data, datalen, hash) \
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_libssh2_wincng_hash(data, datalen, _libssh2_wincng.hAlgHashMD5, \
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hash, MD5_DIGEST_LENGTH)
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/*
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* Windows CNG backend: HMAC functions
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*/
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#define libssh2_hmac_ctx _libssh2_wincng_hash_ctx
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#define libssh2_hmac_sha1_init(ctx, key, keylen) \
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_libssh2_wincng_hash_init(ctx, _libssh2_wincng.hAlgHmacSHA1, \
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SHA_DIGEST_LENGTH, key, keylen)
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#define libssh2_hmac_md5_init(ctx, key, keylen) \
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_libssh2_wincng_hash_init(ctx, _libssh2_wincng.hAlgHmacMD5, \
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MD5_DIGEST_LENGTH, key, keylen)
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#define libssh2_hmac_ripemd160_init(ctx, key, keylen)
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/* not implemented */
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#define libssh2_hmac_update(ctx, data, datalen) \
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_libssh2_wincng_hash_update(&ctx, data, datalen)
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#define libssh2_hmac_final(ctx, hash) \
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_libssh2_wincng_hmac_final(&ctx, hash)
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#define libssh2_hmac_cleanup(ctx) \
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_libssh2_wincng_hmac_cleanup(ctx)
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/*******************************************************************/
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/*
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* Windows CNG backend: Key Context structure
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*/
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struct _libssh2_wincng_key_ctx {
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BCRYPT_KEY_HANDLE hKey;
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unsigned char *pbKeyObject;
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unsigned long cbKeyObject;
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};
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#define _libssh2_wincng_key_ctx struct _libssh2_wincng_key_ctx
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/*
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* Windows CNG backend: RSA functions
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*/
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#define libssh2_rsa_ctx _libssh2_wincng_key_ctx
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#define _libssh2_rsa_new(rsactx, e, e_len, n, n_len, \
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d, d_len, p, p_len, q, q_len, \
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e1, e1_len, e2, e2_len, c, c_len) \
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_libssh2_wincng_rsa_new(rsactx, e, e_len, n, n_len, \
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d, d_len, p, p_len, q, q_len, \
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e1, e1_len, e2, e2_len, c, c_len)
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#define _libssh2_rsa_new_private(rsactx, s, filename, passphrase) \
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_libssh2_wincng_rsa_new_private(rsactx, s, filename, passphrase)
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#define _libssh2_rsa_sha1_sign(s, rsactx, hash, hash_len, sig, sig_len) \
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_libssh2_wincng_rsa_sha1_sign(s, rsactx, hash, hash_len, sig, sig_len)
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#define _libssh2_rsa_sha1_verify(rsactx, sig, sig_len, m, m_len) \
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_libssh2_wincng_rsa_sha1_verify(rsactx, sig, sig_len, m, m_len)
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#define _libssh2_rsa_free(rsactx) \
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_libssh2_wincng_rsa_free(rsactx)
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/*
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* Windows CNG backend: DSA functions
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*/
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#define libssh2_dsa_ctx _libssh2_wincng_key_ctx
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#define _libssh2_dsa_new(dsactx, p, p_len, q, q_len, \
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g, g_len, y, y_len, x, x_len) \
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_libssh2_wincng_dsa_new(dsactx, p, p_len, q, q_len, \
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g, g_len, y, y_len, x, x_len)
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#define _libssh2_dsa_new_private(rsactx, s, filename, passphrase) \
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_libssh2_wincng_dsa_new_private(rsactx, s, filename, passphrase)
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#define _libssh2_dsa_sha1_sign(dsactx, hash, hash_len, sig) \
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_libssh2_wincng_dsa_sha1_sign(dsactx, hash, hash_len, sig)
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#define _libssh2_dsa_sha1_verify(dsactx, sig, m, m_len) \
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_libssh2_wincng_dsa_sha1_verify(dsactx, sig, m, m_len)
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#define _libssh2_dsa_free(dsactx) \
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_libssh2_wincng_dsa_free(dsactx)
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/*
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* Windows CNG backend: Key functions
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*/
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#define _libssh2_pub_priv_keyfile(s, m, m_len, p, p_len, pk, pw) \
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_libssh2_wincng_pub_priv_keyfile(s, m, m_len, p, p_len, pk, pw)
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/*******************************************************************/
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/*
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* Windows CNG backend: Cipher Context structure
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*/
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struct _libssh2_wincng_cipher_ctx {
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BCRYPT_KEY_HANDLE hKey;
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unsigned char *pbKeyObject;
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unsigned char *pbIV;
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unsigned long dwKeyObject;
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unsigned long dwIV;
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unsigned long dwBlockLength;
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};
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#define _libssh2_cipher_ctx struct _libssh2_wincng_cipher_ctx
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/*
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* Windows CNG backend: Cipher Type structure
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*/
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struct _libssh2_wincng_cipher_type {
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BCRYPT_ALG_HANDLE *phAlg;
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unsigned long dwKeyLength;
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unsigned long dwUseIV;
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};
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#define _libssh2_cipher_type(type) struct _libssh2_wincng_cipher_type type
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#define _libssh2_cipher_aes256ctr { NULL, 32, 1 } /* not supported */
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#define _libssh2_cipher_aes192ctr { NULL, 24, 1 } /* not supported */
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#define _libssh2_cipher_aes128ctr { NULL, 16, 1 } /* not supported */
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#define _libssh2_cipher_aes256 { &_libssh2_wincng.hAlgAES_CBC, 32, 1 }
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#define _libssh2_cipher_aes192 { &_libssh2_wincng.hAlgAES_CBC, 24, 1 }
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#define _libssh2_cipher_aes128 { &_libssh2_wincng.hAlgAES_CBC, 16, 1 }
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#define _libssh2_cipher_blowfish { NULL, 16, 0 } /* not supported */
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#define _libssh2_cipher_arcfour { &_libssh2_wincng.hAlgRC4_NA, 16, 0 }
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#define _libssh2_cipher_cast5 { NULL, 16, 0 } /* not supported */
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#define _libssh2_cipher_3des { &_libssh2_wincng.hAlg3DES_CBC, 24, 1 }
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/*
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* Windows CNG backend: Cipher functions
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*/
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#define _libssh2_cipher_init(ctx, type, iv, secret, encrypt) \
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_libssh2_wincng_cipher_init(ctx, type, iv, secret, encrypt)
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#define _libssh2_cipher_crypt(ctx, type, encrypt, block, blocklen) \
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_libssh2_wincng_cipher_crypt(ctx, type, encrypt, block, blocklen)
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#define _libssh2_cipher_dtor(ctx) \
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_libssh2_wincng_cipher_dtor(ctx)
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/*******************************************************************/
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/*
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* Windows CNG backend: BigNumber Context
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*/
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#define _libssh2_bn_ctx int /* not used */
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#define _libssh2_bn_ctx_new() 0 /* not used */
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#define _libssh2_bn_ctx_free(bnctx) ((void)0) /* not used */
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/*******************************************************************/
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/*
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* Windows CNG backend: BigNumber structure
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*/
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struct _libssh2_wincng_bignum {
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unsigned char *bignum;
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unsigned long length;
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};
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#define _libssh2_bn struct _libssh2_wincng_bignum
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/*
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* Windows CNG backend: BigNumber functions
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*/
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_libssh2_bn *_libssh2_wincng_bignum_init(void);
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#define _libssh2_bn_init() \
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_libssh2_wincng_bignum_init()
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#define _libssh2_bn_rand(bn, bits, top, bottom) \
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_libssh2_wincng_bignum_rand(bn, bits, top, bottom)
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#define _libssh2_bn_mod_exp(r, a, p, m, ctx) \
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_libssh2_wincng_bignum_mod_exp(r, a, p, m, ctx)
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#define _libssh2_bn_set_word(bn, word) \
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_libssh2_wincng_bignum_set_word(bn, word)
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#define _libssh2_bn_from_bin(bn, len, bin) \
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_libssh2_wincng_bignum_from_bin(bn, len, bin)
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#define _libssh2_bn_to_bin(bn, bin) \
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_libssh2_wincng_bignum_to_bin(bn, bin)
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#define _libssh2_bn_bytes(bn) bn->length
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#define _libssh2_bn_bits(bn) \
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_libssh2_wincng_bignum_bits(bn)
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#define _libssh2_bn_free(bn) \
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_libssh2_wincng_bignum_free(bn)
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