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Diffstat (limited to 'crypto/bf/bf_cfb64.c')
| -rw-r--r-- | crypto/bf/bf_cfb64.c | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/crypto/bf/bf_cfb64.c b/crypto/bf/bf_cfb64.c deleted file mode 100644 index 6451c8d407..0000000000 --- a/crypto/bf/bf_cfb64.c +++ /dev/null @@ -1,121 +0,0 @@ -/* crypto/bf/bf_cfb64.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 <openssl/blowfish.h> -#include "bf_locl.h" - -/* The input and output encrypted as though 64bit cfb mode is being - * used. The extra state information to record how much of the - * 64bit block we have used is contained in *num; - */ - -void BF_cfb64_encrypt(const unsigned char *in, unsigned char *out, long length, - const BF_KEY *schedule, unsigned char *ivec, int *num, int encrypt) - { - register BF_LONG v0,v1,t; - register int n= *num; - register long l=length; - BF_LONG ti[2]; - unsigned char *iv,c,cc; - - iv=(unsigned char *)ivec; - if (encrypt) - { - while (l--) - { - if (n == 0) - { - n2l(iv,v0); ti[0]=v0; - n2l(iv,v1); ti[1]=v1; - BF_encrypt((BF_LONG *)ti,schedule); - iv=(unsigned char *)ivec; - t=ti[0]; l2n(t,iv); - t=ti[1]; l2n(t,iv); - iv=(unsigned char *)ivec; - } - c= *(in++)^iv[n]; - *(out++)=c; - iv[n]=c; - n=(n+1)&0x07; - } - } - else - { - while (l--) - { - if (n == 0) - { - n2l(iv,v0); ti[0]=v0; - n2l(iv,v1); ti[1]=v1; - BF_encrypt((BF_LONG *)ti,schedule); - iv=(unsigned char *)ivec; - t=ti[0]; l2n(t,iv); - t=ti[1]; l2n(t,iv); - iv=(unsigned char *)ivec; - } - cc= *(in++); - c=iv[n]; - iv[n]=cc; - *(out++)=c^cc; - n=(n+1)&0x07; - } - } - v0=v1=ti[0]=ti[1]=t=c=cc=0; - *num=n; - } - |