| /* |
| * Copyright (C) 2013-2015 Marc Hoersken <info@marc-hoersken.de> |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, |
| * with or without modification, are permitted provided |
| * that the following conditions are met: |
| * |
| * Redistributions of source code must retain the above |
| * copyright notice, this list of conditions and the |
| * following disclaimer. |
| * |
| * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials |
| * provided with the distribution. |
| * |
| * Neither the name of the copyright holder nor the names |
| * of any other contributors may be used to endorse or |
| * promote products derived from this software without |
| * specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
| * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY |
| * OF SUCH DAMAGE. |
| */ |
| |
| /* required for cross-compilation against the w64 mingw-runtime package */ |
| #if defined(_WIN32_WINNT) && (_WIN32_WINNT < 0x0600) |
| #undef _WIN32_WINNT |
| #endif |
| #ifndef _WIN32_WINNT |
| #define _WIN32_WINNT 0x0600 |
| #endif |
| |
| #include <windows.h> |
| #include <bcrypt.h> |
| |
| |
| #define LIBSSH2_MD5 1 |
| |
| #define LIBSSH2_HMAC_RIPEMD 0 |
| |
| #define LIBSSH2_AES 1 |
| #define LIBSSH2_AES_CTR 0 |
| #define LIBSSH2_BLOWFISH 0 |
| #define LIBSSH2_RC4 1 |
| #define LIBSSH2_CAST 0 |
| #define LIBSSH2_3DES 1 |
| |
| #define LIBSSH2_RSA 1 |
| #define LIBSSH2_DSA 1 |
| |
| #define MD5_DIGEST_LENGTH 16 |
| #define SHA_DIGEST_LENGTH 20 |
| |
| |
| /*******************************************************************/ |
| /* |
| * Windows CNG backend: Global context handles |
| */ |
| |
| struct _libssh2_wincng_ctx { |
| BCRYPT_ALG_HANDLE hAlgRNG; |
| BCRYPT_ALG_HANDLE hAlgHashMD5; |
| BCRYPT_ALG_HANDLE hAlgHashSHA1; |
| BCRYPT_ALG_HANDLE hAlgHmacMD5; |
| BCRYPT_ALG_HANDLE hAlgHmacSHA1; |
| BCRYPT_ALG_HANDLE hAlgRSA; |
| BCRYPT_ALG_HANDLE hAlgDSA; |
| BCRYPT_ALG_HANDLE hAlgAES_CBC; |
| BCRYPT_ALG_HANDLE hAlgRC4_NA; |
| BCRYPT_ALG_HANDLE hAlg3DES_CBC; |
| }; |
| |
| struct _libssh2_wincng_ctx _libssh2_wincng; |
| |
| |
| /*******************************************************************/ |
| /* |
| * Windows CNG backend: Generic functions |
| */ |
| |
| void _libssh2_wincng_init(void); |
| void _libssh2_wincng_free(void); |
| |
| #define libssh2_crypto_init() \ |
| _libssh2_wincng_init() |
| #define libssh2_crypto_exit() \ |
| _libssh2_wincng_free() |
| |
| #define _libssh2_random(buf, len) \ |
| _libssh2_wincng_random(buf, len) |
| |
| |
| /*******************************************************************/ |
| /* |
| * Windows CNG backend: Hash structure |
| */ |
| |
| typedef struct __libssh2_wincng_hash_ctx { |
| BCRYPT_HASH_HANDLE hHash; |
| unsigned char *pbHashObject; |
| unsigned long dwHashObject; |
| unsigned long cbHash; |
| } _libssh2_wincng_hash_ctx; |
| |
| /* |
| * Windows CNG backend: Hash functions |
| */ |
| |
| #define libssh2_sha1_ctx _libssh2_wincng_hash_ctx |
| #define libssh2_sha1_init(ctx) \ |
| _libssh2_wincng_hash_init(ctx, _libssh2_wincng.hAlgHashSHA1, \ |
| SHA_DIGEST_LENGTH, NULL, 0) == 0 |
| #define libssh2_sha1_update(ctx, data, datalen) \ |
| _libssh2_wincng_hash_update(&ctx, (unsigned char *) data, datalen) |
| #define libssh2_sha1_final(ctx, hash) \ |
| _libssh2_wincng_hash_final(&ctx, hash) |
| #define libssh2_sha1(data, datalen, hash) \ |
| _libssh2_wincng_hash(data, datalen, _libssh2_wincng.hAlgHashSHA1, \ |
| hash, SHA_DIGEST_LENGTH) |
| |
| #define libssh2_md5_ctx _libssh2_wincng_hash_ctx |
| #define libssh2_md5_init(ctx) \ |
| _libssh2_wincng_hash_init(ctx, _libssh2_wincng.hAlgHashMD5, \ |
| MD5_DIGEST_LENGTH, NULL, 0) == 0 |
| #define libssh2_md5_update(ctx, data, datalen) \ |
| _libssh2_wincng_hash_update(&ctx, (unsigned char *) data, datalen) |
| #define libssh2_md5_final(ctx, hash) \ |
| _libssh2_wincng_hash_final(&ctx, hash) |
| #define libssh2_md5(data, datalen, hash) \ |
| _libssh2_wincng_hash(data, datalen, _libssh2_wincng.hAlgHashMD5, \ |
| hash, MD5_DIGEST_LENGTH) |
| |
| /* |
| * Windows CNG backend: HMAC functions |
| */ |
| |
| #define libssh2_hmac_ctx _libssh2_wincng_hash_ctx |
| #define libssh2_hmac_ctx_init(ctx) |
| #define libssh2_hmac_sha1_init(ctx, key, keylen) \ |
| _libssh2_wincng_hash_init(ctx, _libssh2_wincng.hAlgHmacSHA1, \ |
| SHA_DIGEST_LENGTH, key, keylen) |
| #define libssh2_hmac_md5_init(ctx, key, keylen) \ |
| _libssh2_wincng_hash_init(ctx, _libssh2_wincng.hAlgHmacMD5, \ |
| MD5_DIGEST_LENGTH, key, keylen) |
| #define libssh2_hmac_ripemd160_init(ctx, key, keylen) |
| /* not implemented */ |
| #define libssh2_hmac_update(ctx, data, datalen) \ |
| _libssh2_wincng_hash_update(&ctx, (unsigned char *) data, datalen) |
| #define libssh2_hmac_final(ctx, hash) \ |
| _libssh2_wincng_hmac_final(&ctx, hash) |
| #define libssh2_hmac_cleanup(ctx) \ |
| _libssh2_wincng_hmac_cleanup(ctx) |
| |
| |
| /*******************************************************************/ |
| /* |
| * Windows CNG backend: Key Context structure |
| */ |
| |
| typedef struct __libssh2_wincng_key_ctx { |
| BCRYPT_KEY_HANDLE hKey; |
| unsigned char *pbKeyObject; |
| unsigned long cbKeyObject; |
| } _libssh2_wincng_key_ctx; |
| |
| |
| /* |
| * Windows CNG backend: RSA functions |
| */ |
| |
| #define libssh2_rsa_ctx _libssh2_wincng_key_ctx |
| #define _libssh2_rsa_new(rsactx, e, e_len, n, n_len, \ |
| d, d_len, p, p_len, q, q_len, \ |
| e1, e1_len, e2, e2_len, c, c_len) \ |
| _libssh2_wincng_rsa_new(rsactx, e, e_len, n, n_len, \ |
| d, d_len, p, p_len, q, q_len, \ |
| e1, e1_len, e2, e2_len, c, c_len) |
| #define _libssh2_rsa_new_private(rsactx, s, filename, passphrase) \ |
| _libssh2_wincng_rsa_new_private(rsactx, s, filename, passphrase) |
| #define _libssh2_rsa_new_private_frommemory(rsactx, s, filedata, \ |
| filedata_len, passphrase) \ |
| _libssh2_wincng_rsa_new_private_frommemory(rsactx, s, filedata, \ |
| filedata_len, passphrase) |
| #define _libssh2_rsa_sha1_sign(s, rsactx, hash, hash_len, sig, sig_len) \ |
| _libssh2_wincng_rsa_sha1_sign(s, rsactx, hash, hash_len, sig, sig_len) |
| #define _libssh2_rsa_sha1_verify(rsactx, sig, sig_len, m, m_len) \ |
| _libssh2_wincng_rsa_sha1_verify(rsactx, sig, sig_len, m, m_len) |
| #define _libssh2_rsa_free(rsactx) \ |
| _libssh2_wincng_rsa_free(rsactx) |
| |
| /* |
| * Windows CNG backend: DSA functions |
| */ |
| |
| #define libssh2_dsa_ctx _libssh2_wincng_key_ctx |
| #define _libssh2_dsa_new(dsactx, p, p_len, q, q_len, \ |
| g, g_len, y, y_len, x, x_len) \ |
| _libssh2_wincng_dsa_new(dsactx, p, p_len, q, q_len, \ |
| g, g_len, y, y_len, x, x_len) |
| #define _libssh2_dsa_new_private(dsactx, s, filename, passphrase) \ |
| _libssh2_wincng_dsa_new_private(dsactx, s, filename, passphrase) |
| #define _libssh2_dsa_new_private_frommemory(dsactx, s, filedata, \ |
| filedata_len, passphrase) \ |
| _libssh2_wincng_dsa_new_private_frommemory(dsactx, s, filedata, \ |
| filedata_len, passphrase) |
| #define _libssh2_dsa_sha1_sign(dsactx, hash, hash_len, sig) \ |
| _libssh2_wincng_dsa_sha1_sign(dsactx, hash, hash_len, sig) |
| #define _libssh2_dsa_sha1_verify(dsactx, sig, m, m_len) \ |
| _libssh2_wincng_dsa_sha1_verify(dsactx, sig, m, m_len) |
| #define _libssh2_dsa_free(dsactx) \ |
| _libssh2_wincng_dsa_free(dsactx) |
| |
| /* |
| * Windows CNG backend: Key functions |
| */ |
| |
| #define _libssh2_pub_priv_keyfile(s, m, m_len, p, p_len, pk, pw) \ |
| _libssh2_wincng_pub_priv_keyfile(s, m, m_len, p, p_len, pk, pw) |
| #define _libssh2_pub_priv_keyfilememory(s, m, m_len, p, p_len, \ |
| pk, pk_len, pw) \ |
| _libssh2_wincng_pub_priv_keyfilememory(s, m, m_len, p, p_len, \ |
| pk, pk_len, pw) |
| |
| |
| /*******************************************************************/ |
| /* |
| * Windows CNG backend: Cipher Context structure |
| */ |
| |
| struct _libssh2_wincng_cipher_ctx { |
| BCRYPT_KEY_HANDLE hKey; |
| unsigned char *pbKeyObject; |
| unsigned char *pbIV; |
| unsigned long dwKeyObject; |
| unsigned long dwIV; |
| unsigned long dwBlockLength; |
| }; |
| |
| #define _libssh2_cipher_ctx struct _libssh2_wincng_cipher_ctx |
| |
| /* |
| * Windows CNG backend: Cipher Type structure |
| */ |
| |
| struct _libssh2_wincng_cipher_type { |
| BCRYPT_ALG_HANDLE *phAlg; |
| unsigned long dwKeyLength; |
| unsigned long dwUseIV; |
| }; |
| |
| #define _libssh2_cipher_type(type) struct _libssh2_wincng_cipher_type type |
| |
| #define _libssh2_cipher_aes256ctr { NULL, 32, 1 } /* not supported */ |
| #define _libssh2_cipher_aes192ctr { NULL, 24, 1 } /* not supported */ |
| #define _libssh2_cipher_aes128ctr { NULL, 16, 1 } /* not supported */ |
| #define _libssh2_cipher_aes256 { &_libssh2_wincng.hAlgAES_CBC, 32, 1 } |
| #define _libssh2_cipher_aes192 { &_libssh2_wincng.hAlgAES_CBC, 24, 1 } |
| #define _libssh2_cipher_aes128 { &_libssh2_wincng.hAlgAES_CBC, 16, 1 } |
| #define _libssh2_cipher_blowfish { NULL, 16, 0 } /* not supported */ |
| #define _libssh2_cipher_arcfour { &_libssh2_wincng.hAlgRC4_NA, 16, 0 } |
| #define _libssh2_cipher_cast5 { NULL, 16, 0 } /* not supported */ |
| #define _libssh2_cipher_3des { &_libssh2_wincng.hAlg3DES_CBC, 24, 1 } |
| |
| /* |
| * Windows CNG backend: Cipher functions |
| */ |
| |
| #define _libssh2_cipher_init(ctx, type, iv, secret, encrypt) \ |
| _libssh2_wincng_cipher_init(ctx, type, iv, secret, encrypt) |
| #define _libssh2_cipher_crypt(ctx, type, encrypt, block, blocklen) \ |
| _libssh2_wincng_cipher_crypt(ctx, type, encrypt, block, blocklen) |
| #define _libssh2_cipher_dtor(ctx) \ |
| _libssh2_wincng_cipher_dtor(ctx) |
| |
| /*******************************************************************/ |
| /* |
| * Windows CNG backend: BigNumber Context |
| */ |
| |
| #define _libssh2_bn_ctx int /* not used */ |
| #define _libssh2_bn_ctx_new() 0 /* not used */ |
| #define _libssh2_bn_ctx_free(bnctx) ((void)0) /* not used */ |
| |
| |
| /*******************************************************************/ |
| /* |
| * Windows CNG backend: BigNumber structure |
| */ |
| |
| struct _libssh2_wincng_bignum { |
| unsigned char *bignum; |
| unsigned long length; |
| }; |
| |
| #define _libssh2_bn struct _libssh2_wincng_bignum |
| |
| /* |
| * Windows CNG backend: BigNumber functions |
| */ |
| |
| _libssh2_bn *_libssh2_wincng_bignum_init(void); |
| |
| #define _libssh2_bn_init() \ |
| _libssh2_wincng_bignum_init() |
| #define _libssh2_bn_rand(bn, bits, top, bottom) \ |
| _libssh2_wincng_bignum_rand(bn, bits, top, bottom) |
| #define _libssh2_bn_mod_exp(r, a, p, m, ctx) \ |
| _libssh2_wincng_bignum_mod_exp(r, a, p, m, ctx) |
| #define _libssh2_bn_set_word(bn, word) \ |
| _libssh2_wincng_bignum_set_word(bn, word) |
| #define _libssh2_bn_from_bin(bn, len, bin) \ |
| _libssh2_wincng_bignum_from_bin(bn, len, bin) |
| #define _libssh2_bn_to_bin(bn, bin) \ |
| _libssh2_wincng_bignum_to_bin(bn, bin) |
| #define _libssh2_bn_bytes(bn) bn->length |
| #define _libssh2_bn_bits(bn) \ |
| _libssh2_wincng_bignum_bits(bn) |
| #define _libssh2_bn_free(bn) \ |
| _libssh2_wincng_bignum_free(bn) |
| |
| /*******************************************************************/ |
| /* |
| * Windows CNG backend: forward declarations |
| */ |
| void _libssh2_wincng_init(void); |
| void _libssh2_wincng_free(void); |
| int _libssh2_wincng_random(void *buf, int len); |
| void _libssh2_init_aes_ctr(void); |
| |
| int |
| _libssh2_wincng_hash_init(_libssh2_wincng_hash_ctx *ctx, |
| BCRYPT_ALG_HANDLE hAlg, unsigned long hashlen, |
| unsigned char *key, unsigned long keylen); |
| int |
| _libssh2_wincng_hash_update(_libssh2_wincng_hash_ctx *ctx, |
| const unsigned char *data, unsigned long datalen); |
| int |
| _libssh2_wincng_hash_final(_libssh2_wincng_hash_ctx *ctx, |
| unsigned char *hash); |
| int |
| _libssh2_wincng_hash(unsigned char *data, unsigned long datalen, |
| BCRYPT_ALG_HANDLE hAlg, |
| unsigned char *hash, unsigned long hashlen); |
| |
| int |
| _libssh2_wincng_hmac_final(_libssh2_wincng_hash_ctx *ctx, |
| unsigned char *hash); |
| void |
| _libssh2_wincng_hmac_cleanup(_libssh2_wincng_hash_ctx *ctx); |
| |
| int |
| _libssh2_wincng_key_sha1_verify(_libssh2_wincng_key_ctx *ctx, |
| const unsigned char *sig, |
| unsigned long sig_len, |
| const unsigned char *m, |
| unsigned long m_len, |
| unsigned long flags); |
| |
| int |
| _libssh2_wincng_rsa_new(libssh2_rsa_ctx **rsa, |
| const unsigned char *edata, |
| unsigned long elen, |
| const unsigned char *ndata, |
| unsigned long nlen, |
| const unsigned char *ddata, |
| unsigned long dlen, |
| const unsigned char *pdata, |
| unsigned long plen, |
| const unsigned char *qdata, |
| unsigned long qlen, |
| const unsigned char *e1data, |
| unsigned long e1len, |
| const unsigned char *e2data, |
| unsigned long e2len, |
| const unsigned char *coeffdata, |
| unsigned long coefflen); |
| int |
| _libssh2_wincng_rsa_new_private(libssh2_rsa_ctx **rsa, |
| LIBSSH2_SESSION *session, |
| const char *filename, |
| const unsigned char *passphrase); |
| int |
| _libssh2_wincng_rsa_new_private_frommemory(libssh2_rsa_ctx **rsa, |
| LIBSSH2_SESSION *session, |
| const char *filedata, |
| size_t filedata_len, |
| unsigned const char *passphrase); |
| int |
| _libssh2_wincng_rsa_sha1_verify(libssh2_rsa_ctx *rsa, |
| const unsigned char *sig, |
| unsigned long sig_len, |
| const unsigned char *m, |
| unsigned long m_len); |
| int |
| _libssh2_wincng_rsa_sha1_sign(LIBSSH2_SESSION *session, |
| libssh2_rsa_ctx *rsa, |
| const unsigned char *hash, |
| size_t hash_len, |
| unsigned char **signature, |
| size_t *signature_len); |
| void |
| _libssh2_wincng_rsa_free(libssh2_rsa_ctx *rsa); |
| |
| #if LIBSSH2_DSA |
| int |
| _libssh2_wincng_dsa_new(libssh2_dsa_ctx **dsa, |
| const unsigned char *pdata, |
| unsigned long plen, |
| const unsigned char *qdata, |
| unsigned long qlen, |
| const unsigned char *gdata, |
| unsigned long glen, |
| const unsigned char *ydata, |
| unsigned long ylen, |
| const unsigned char *xdata, |
| unsigned long xlen); |
| int |
| _libssh2_wincng_dsa_new_private(libssh2_dsa_ctx **dsa, |
| LIBSSH2_SESSION *session, |
| const char *filename, |
| const unsigned char *passphrase); |
| int |
| _libssh2_wincng_dsa_new_private_frommemory(libssh2_dsa_ctx **dsa, |
| LIBSSH2_SESSION *session, |
| const char *filedata, |
| size_t filedata_len, |
| unsigned const char *passphrase); |
| int |
| _libssh2_wincng_dsa_sha1_verify(libssh2_dsa_ctx *dsa, |
| const unsigned char *sig_fixed, |
| const unsigned char *m, |
| unsigned long m_len); |
| int |
| _libssh2_wincng_dsa_sha1_sign(libssh2_dsa_ctx *dsa, |
| const unsigned char *hash, |
| unsigned long hash_len, |
| unsigned char *sig_fixed); |
| void |
| _libssh2_wincng_dsa_free(libssh2_dsa_ctx *dsa); |
| #endif |
| |
| int |
| _libssh2_wincng_pub_priv_keyfile(LIBSSH2_SESSION *session, |
| unsigned char **method, |
| size_t *method_len, |
| unsigned char **pubkeydata, |
| size_t *pubkeydata_len, |
| const char *privatekey, |
| const char *passphrase); |
| int |
| _libssh2_wincng_pub_priv_keyfilememory(LIBSSH2_SESSION *session, |
| unsigned char **method, |
| size_t *method_len, |
| unsigned char **pubkeydata, |
| size_t *pubkeydata_len, |
| const char *privatekeydata, |
| size_t privatekeydata_len, |
| const char *passphrase); |
| |
| int |
| _libssh2_wincng_cipher_init(_libssh2_cipher_ctx *ctx, |
| _libssh2_cipher_type(type), |
| unsigned char *iv, |
| unsigned char *secret, |
| int encrypt); |
| int |
| _libssh2_wincng_cipher_crypt(_libssh2_cipher_ctx *ctx, |
| _libssh2_cipher_type(type), |
| int encrypt, |
| unsigned char *block, |
| size_t blocklen); |
| void |
| _libssh2_wincng_cipher_dtor(_libssh2_cipher_ctx *ctx); |
| |
| _libssh2_bn * |
| _libssh2_wincng_bignum_init(void); |
| int |
| _libssh2_wincng_bignum_rand(_libssh2_bn *rnd, int bits, int top, int bottom); |
| int |
| _libssh2_wincng_bignum_mod_exp(_libssh2_bn *r, |
| _libssh2_bn *a, |
| _libssh2_bn *p, |
| _libssh2_bn *m, |
| _libssh2_bn_ctx *bnctx); |
| int |
| _libssh2_wincng_bignum_set_word(_libssh2_bn *bn, unsigned long word); |
| unsigned long |
| _libssh2_wincng_bignum_bits(const _libssh2_bn *bn); |
| void |
| _libssh2_wincng_bignum_from_bin(_libssh2_bn *bn, unsigned long len, |
| const unsigned char *bin); |
| void |
| _libssh2_wincng_bignum_to_bin(const _libssh2_bn *bn, unsigned char *bin); |
| void |
| _libssh2_wincng_bignum_free(_libssh2_bn *bn); |