diff options
Diffstat (limited to 'openssl/crypto/des/rpc_enc.c')
| -rw-r--r-- | openssl/crypto/des/rpc_enc.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/openssl/crypto/des/rpc_enc.c b/openssl/crypto/des/rpc_enc.c new file mode 100644 index 000000000..d937d08da --- /dev/null +++ b/openssl/crypto/des/rpc_enc.c @@ -0,0 +1,98 @@ +/* crypto/des/rpc_enc.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``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 AUTHOR 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. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#include "rpc_des.h" +#include "des_locl.h" +#include "des_ver.h" + +int _des_crypt(char *buf,int len,struct desparams *desp); +int _des_crypt(char *buf, int len, struct desparams *desp) + { + DES_key_schedule ks; + int enc; + + DES_set_key_unchecked(&desp->des_key,&ks); + enc=(desp->des_dir == ENCRYPT)?DES_ENCRYPT:DES_DECRYPT; + + if (desp->des_mode == CBC) + DES_ecb_encrypt((const_DES_cblock *)desp->UDES.UDES_buf, + (DES_cblock *)desp->UDES.UDES_buf,&ks, + enc); + else + { + DES_ncbc_encrypt(desp->UDES.UDES_buf,desp->UDES.UDES_buf, + len,&ks,&desp->des_ivec,enc); +#ifdef undef + /* len will always be %8 if called from common_crypt + * in secure_rpc. + * Libdes's cbc encrypt does not copy back the iv, + * so we have to do it here. */ + /* It does now :-) eay 20/09/95 */ + + a=(char *)&(desp->UDES.UDES_buf[len-8]); + b=(char *)&(desp->des_ivec[0]); + + *(a++)= *(b++); *(a++)= *(b++); + *(a++)= *(b++); *(a++)= *(b++); + *(a++)= *(b++); *(a++)= *(b++); + *(a++)= *(b++); *(a++)= *(b++); +#endif + } + return(1); + } + |