diff options
Diffstat (limited to 'openssl/trunk/crypto/rc5/rc5_enc.c')
| -rw-r--r-- | openssl/trunk/crypto/rc5/rc5_enc.c | 215 |
1 files changed, 0 insertions, 215 deletions
diff --git a/openssl/trunk/crypto/rc5/rc5_enc.c b/openssl/trunk/crypto/rc5/rc5_enc.c deleted file mode 100644 index f327d32a..00000000 --- a/openssl/trunk/crypto/rc5/rc5_enc.c +++ /dev/null @@ -1,215 +0,0 @@ -/* crypto/rc5/rc5_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 <stdio.h> -#include <openssl/rc5.h> -#include "rc5_locl.h" - -void RC5_32_cbc_encrypt(const unsigned char *in, unsigned char *out, - long length, RC5_32_KEY *ks, unsigned char *iv, - int encrypt) - { - register unsigned long tin0,tin1; - register unsigned long tout0,tout1,xor0,xor1; - register long l=length; - unsigned long tin[2]; - - if (encrypt) - { - c2l(iv,tout0); - c2l(iv,tout1); - iv-=8; - for (l-=8; l>=0; l-=8) - { - c2l(in,tin0); - c2l(in,tin1); - tin0^=tout0; - tin1^=tout1; - tin[0]=tin0; - tin[1]=tin1; - RC5_32_encrypt(tin,ks); - tout0=tin[0]; l2c(tout0,out); - tout1=tin[1]; l2c(tout1,out); - } - if (l != -8) - { - c2ln(in,tin0,tin1,l+8); - tin0^=tout0; - tin1^=tout1; - tin[0]=tin0; - tin[1]=tin1; - RC5_32_encrypt(tin,ks); - tout0=tin[0]; l2c(tout0,out); - tout1=tin[1]; l2c(tout1,out); - } - l2c(tout0,iv); - l2c(tout1,iv); - } - else - { - c2l(iv,xor0); - c2l(iv,xor1); - iv-=8; - for (l-=8; l>=0; l-=8) - { - c2l(in,tin0); tin[0]=tin0; - c2l(in,tin1); tin[1]=tin1; - RC5_32_decrypt(tin,ks); - tout0=tin[0]^xor0; - tout1=tin[1]^xor1; - l2c(tout0,out); - l2c(tout1,out); - xor0=tin0; - xor1=tin1; - } - if (l != -8) - { - c2l(in,tin0); tin[0]=tin0; - c2l(in,tin1); tin[1]=tin1; - RC5_32_decrypt(tin,ks); - tout0=tin[0]^xor0; - tout1=tin[1]^xor1; - l2cn(tout0,tout1,out,l+8); - xor0=tin0; - xor1=tin1; - } - l2c(xor0,iv); - l2c(xor1,iv); - } - tin0=tin1=tout0=tout1=xor0=xor1=0; - tin[0]=tin[1]=0; - } - -void RC5_32_encrypt(unsigned long *d, RC5_32_KEY *key) - { - RC5_32_INT a,b,*s; - - s=key->data; - - a=d[0]+s[0]; - b=d[1]+s[1]; - E_RC5_32(a,b,s, 2); - E_RC5_32(a,b,s, 4); - E_RC5_32(a,b,s, 6); - E_RC5_32(a,b,s, 8); - E_RC5_32(a,b,s,10); - E_RC5_32(a,b,s,12); - E_RC5_32(a,b,s,14); - E_RC5_32(a,b,s,16); - if (key->rounds == 12) - { - E_RC5_32(a,b,s,18); - E_RC5_32(a,b,s,20); - E_RC5_32(a,b,s,22); - E_RC5_32(a,b,s,24); - } - else if (key->rounds == 16) - { - /* Do a full expansion to avoid a jump */ - E_RC5_32(a,b,s,18); - E_RC5_32(a,b,s,20); - E_RC5_32(a,b,s,22); - E_RC5_32(a,b,s,24); - E_RC5_32(a,b,s,26); - E_RC5_32(a,b,s,28); - E_RC5_32(a,b,s,30); - E_RC5_32(a,b,s,32); - } - d[0]=a; - d[1]=b; - } - -void RC5_32_decrypt(unsigned long *d, RC5_32_KEY *key) - { - RC5_32_INT a,b,*s; - - s=key->data; - - a=d[0]; - b=d[1]; - if (key->rounds == 16) - { - D_RC5_32(a,b,s,32); - D_RC5_32(a,b,s,30); - D_RC5_32(a,b,s,28); - D_RC5_32(a,b,s,26); - /* Do a full expansion to avoid a jump */ - D_RC5_32(a,b,s,24); - D_RC5_32(a,b,s,22); - D_RC5_32(a,b,s,20); - D_RC5_32(a,b,s,18); - } - else if (key->rounds == 12) - { - D_RC5_32(a,b,s,24); - D_RC5_32(a,b,s,22); - D_RC5_32(a,b,s,20); - D_RC5_32(a,b,s,18); - } - D_RC5_32(a,b,s,16); - D_RC5_32(a,b,s,14); - D_RC5_32(a,b,s,12); - D_RC5_32(a,b,s,10); - D_RC5_32(a,b,s, 8); - D_RC5_32(a,b,s, 6); - D_RC5_32(a,b,s, 4); - D_RC5_32(a,b,s, 2); - d[0]=a-s[0]; - d[1]=b-s[1]; - } - |