diff options
Diffstat (limited to 'crypto/rc5/rc5_skey.c')
| -rw-r--r-- | crypto/rc5/rc5_skey.c | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/crypto/rc5/rc5_skey.c b/crypto/rc5/rc5_skey.c deleted file mode 100644 index a2e00a4..0000000 --- a/crypto/rc5/rc5_skey.c +++ /dev/null @@ -1,113 +0,0 @@ -/* crypto/rc5/rc5_skey.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/rc5.h> -#include "rc5_locl.h" - -void RC5_32_set_key(RC5_32_KEY *key, int len, const unsigned char *data, - int rounds) - { - RC5_32_INT L[64],l,ll,A,B,*S,k; - int i,j,m,c,t,ii,jj; - - if ( (rounds != RC5_16_ROUNDS) && - (rounds != RC5_12_ROUNDS) && - (rounds != RC5_8_ROUNDS)) - rounds=RC5_16_ROUNDS; - - key->rounds=rounds; - S= &(key->data[0]); - j=0; - for (i=0; i<=(len-8); i+=8) - { - c2l(data,l); - L[j++]=l; - c2l(data,l); - L[j++]=l; - } - ii=len-i; - if (ii) - { - k=len&0x07; - c2ln(data,l,ll,k); - L[j+0]=l; - L[j+1]=ll; - } - - c=(len+3)/4; - t=(rounds+1)*2; - S[0]=RC5_32_P; - for (i=1; i<t; i++) - S[i]=(S[i-1]+RC5_32_Q)&RC5_32_MASK; - - j=(t>c)?t:c; - j*=3; - ii=jj=0; - A=B=0; - for (i=0; i<j; i++) - { - k=(S[ii]+A+B)&RC5_32_MASK; - A=S[ii]=ROTATE_l32(k,3); - m=(int)(A+B); - k=(L[jj]+A+B)&RC5_32_MASK; - B=L[jj]=ROTATE_l32(k,m); - if (++ii >= t) ii=0; - if (++jj >= c) jj=0; - } - } - |