mirror of
https://github.com/libssh2/libssh2.git
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243 lines
8.6 KiB
C
243 lines
8.6 KiB
C
/* Copyright (C) 2009, 2010 Simon Josefsson
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* Copyright (C) 2006, 2007 The Written Word, Inc. All rights reserved.
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*
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* Author: Simon Josefsson
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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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#include <openssl/opensslconf.h>
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#include <openssl/sha.h>
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#ifndef OPENSSL_NO_MD5
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#include <openssl/md5.h>
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#endif
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#include <openssl/evp.h>
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#include <openssl/hmac.h>
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#include <openssl/bn.h>
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#include <openssl/pem.h>
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#include <openssl/rand.h>
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#ifdef OPENSSL_NO_RSA
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# define LIBSSH2_RSA 0
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#else
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# define LIBSSH2_RSA 1
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#endif
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#ifdef OPENSSL_NO_DSA
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# define LIBSSH2_DSA 0
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#else
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# define LIBSSH2_DSA 1
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#endif
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#ifdef OPENSSL_NO_MD5
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# define LIBSSH2_MD5 0
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#else
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# define LIBSSH2_MD5 1
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#endif
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#ifdef OPENSSL_NO_RIPEMD
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# define LIBSSH2_HMAC_RIPEMD 0
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#else
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# define LIBSSH2_HMAC_RIPEMD 1
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#endif
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#if OPENSSL_VERSION_NUMBER >= 0x00907000L && !defined(OPENSSL_NO_AES)
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# define LIBSSH2_AES_CTR 1
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# define LIBSSH2_AES 1
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#else
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# define LIBSSH2_AES_CTR 0
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# define LIBSSH2_AES 0
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#endif
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#ifdef OPENSSL_NO_BLOWFISH
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# define LIBSSH2_BLOWFISH 0
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#else
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# define LIBSSH2_BLOWFISH 1
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#endif
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#ifdef OPENSSL_NO_RC4
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# define LIBSSH2_RC4 0
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#else
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# define LIBSSH2_RC4 1
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#endif
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#ifdef OPENSSL_NO_CAST
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# define LIBSSH2_CAST 0
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#else
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# define LIBSSH2_CAST 1
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#endif
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#ifdef OPENSSL_NO_DES
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# define LIBSSH2_3DES 0
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#else
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# define LIBSSH2_3DES 1
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#endif
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#define libssh2_random(buf, len) RAND_bytes ((buf), (len))
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#define libssh2_sha1_ctx SHA_CTX
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#define libssh2_sha1_init(ctx) SHA1_Init(ctx)
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#define libssh2_sha1_update(ctx, data, len) SHA1_Update(&(ctx), data, len)
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#define libssh2_sha1_final(ctx, out) SHA1_Final(out, &(ctx))
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#define libssh2_sha1(message, len, out) SHA1(message, len, out)
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#define libssh2_md5_ctx MD5_CTX
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#define libssh2_md5_init(ctx) MD5_Init(ctx)
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#define libssh2_md5_update(ctx, data, len) MD5_Update(&(ctx), data, len)
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#define libssh2_md5_final(ctx, out) MD5_Final(out, &(ctx))
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#define libssh2_md5(message, len, out) MD5(message, len, out)
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#define libssh2_hmac_ctx HMAC_CTX
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#define libssh2_hmac_sha1_init(ctx, key, keylen) \
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HMAC_Init(ctx, key, keylen, EVP_sha1())
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#define libssh2_hmac_md5_init(ctx, key, keylen) \
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HMAC_Init(ctx, key, keylen, EVP_md5())
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#define libssh2_hmac_ripemd160_init(ctx, key, keylen) \
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HMAC_Init(ctx, key, keylen, EVP_ripemd160())
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#define libssh2_hmac_update(ctx, data, datalen) \
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HMAC_Update(&(ctx), data, datalen)
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#define libssh2_hmac_final(ctx, data) HMAC_Final(&(ctx), data, NULL)
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#define libssh2_hmac_cleanup(ctx) HMAC_cleanup(ctx)
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#define libssh2_crypto_init()
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#define libssh2_rsa_ctx RSA
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int _libssh2_rsa_new(libssh2_rsa_ctx ** rsa,
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const unsigned char *edata,
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unsigned long elen,
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const unsigned char *ndata,
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unsigned long nlen,
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const unsigned char *ddata,
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unsigned long dlen,
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const unsigned char *pdata,
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unsigned long plen,
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const unsigned char *qdata,
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unsigned long qlen,
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const unsigned char *e1data,
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unsigned long e1len,
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const unsigned char *e2data,
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unsigned long e2len,
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const unsigned char *coeffdata, unsigned long coefflen);
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int _libssh2_rsa_new_private(libssh2_rsa_ctx ** rsa,
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LIBSSH2_SESSION * session,
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const char *filename,
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unsigned const char *passphrase);
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int _libssh2_rsa_sha1_verify(libssh2_rsa_ctx * rsa,
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const unsigned char *sig,
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unsigned long sig_len,
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const unsigned char *m, unsigned long m_len);
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int _libssh2_rsa_sha1_sign(LIBSSH2_SESSION * session,
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libssh2_rsa_ctx * rsactx,
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const unsigned char *hash,
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unsigned long hash_len,
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unsigned char **signature,
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unsigned long *signature_len);
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#define _libssh2_rsa_free(rsactx) RSA_free(rsactx)
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#define libssh2_dsa_ctx DSA
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int _libssh2_dsa_new(libssh2_dsa_ctx ** dsa,
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const unsigned char *pdata,
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unsigned long plen,
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const unsigned char *qdata,
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unsigned long qlen,
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const unsigned char *gdata,
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unsigned long glen,
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const unsigned char *ydata,
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unsigned long ylen,
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const unsigned char *x, unsigned long x_len);
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int _libssh2_dsa_new_private(libssh2_dsa_ctx ** dsa,
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LIBSSH2_SESSION * session,
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const char *filename,
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unsigned const char *passphrase);
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int _libssh2_dsa_sha1_verify(libssh2_dsa_ctx * dsactx,
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const unsigned char *sig,
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const unsigned char *m, unsigned long m_len);
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int _libssh2_dsa_sha1_sign(libssh2_dsa_ctx * dsactx,
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const unsigned char *hash,
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unsigned long hash_len, unsigned char *sig);
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#define _libssh2_dsa_free(dsactx) DSA_free(dsactx)
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#define _libssh2_cipher_type(name) const EVP_CIPHER *(*name)(void)
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#define _libssh2_cipher_ctx EVP_CIPHER_CTX
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#define _libssh2_cipher_aes256 EVP_aes_256_cbc
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#define _libssh2_cipher_aes192 EVP_aes_192_cbc
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#define _libssh2_cipher_aes128 EVP_aes_128_cbc
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#if HAVE_EVP_AES128_CTR
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#define _libssh2_cipher_aes128ctr EVP_aes_128_ctr
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#define _libssh2_cipher_aes192ctr EVP_aes_192_ctr
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#define _libssh2_cipher_aes256ctr EVP_aes_256_ctr
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#else
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#define _libssh2_cipher_aes128ctr _libssh2_EVP_aes_128_ctr
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#define _libssh2_cipher_aes192ctr _libssh2_EVP_aes_192_ctr
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#define _libssh2_cipher_aes256ctr _libssh2_EVP_aes_256_ctr
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#endif
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#define _libssh2_cipher_blowfish EVP_bf_cbc
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#define _libssh2_cipher_arcfour EVP_rc4
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#define _libssh2_cipher_cast5 EVP_cast5_cbc
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#define _libssh2_cipher_3des EVP_des_ede3_cbc
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int _libssh2_cipher_init(_libssh2_cipher_ctx * h,
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_libssh2_cipher_type(algo),
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unsigned char *iv,
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unsigned char *secret, int encrypt);
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int _libssh2_cipher_crypt(_libssh2_cipher_ctx * ctx,
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_libssh2_cipher_type(algo),
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int encrypt, unsigned char *block);
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#define _libssh2_cipher_dtor(ctx) EVP_CIPHER_CTX_cleanup(ctx)
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#define _libssh2_bn BIGNUM
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#define _libssh2_bn_ctx BN_CTX
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#define _libssh2_bn_ctx_new() BN_CTX_new()
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#define _libssh2_bn_ctx_free(bnctx) BN_CTX_free(bnctx)
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#define _libssh2_bn_init() BN_new()
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#define _libssh2_bn_rand(bn, bits, top, bottom) BN_rand(bn, bits, top, bottom)
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#define _libssh2_bn_mod_exp(r, a, p, m, ctx) BN_mod_exp(r, a, p, m, ctx)
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#define _libssh2_bn_set_word(bn, val) BN_set_word(bn, val)
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#define _libssh2_bn_from_bin(bn, len, val) BN_bin2bn(val, len, bn)
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#define _libssh2_bn_to_bin(bn, val) BN_bn2bin(bn, val)
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#define _libssh2_bn_bytes(bn) BN_num_bytes(bn)
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#define _libssh2_bn_bits(bn) BN_num_bits(bn)
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#define _libssh2_bn_free(bn) BN_clear_free(bn)
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const EVP_CIPHER *_libssh2_EVP_aes_128_ctr(void);
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const EVP_CIPHER *_libssh2_EVP_aes_192_ctr(void);
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const EVP_CIPHER *_libssh2_EVP_aes_256_ctr(void);
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