diff options
Diffstat (limited to 'main/openssl/crypto/rc2/rc2_cbc.c')
| m--------- | main/openssl | 0 | ||||
| -rw-r--r-- | main/openssl/crypto/rc2/rc2_cbc.c | 226 |
2 files changed, 0 insertions, 226 deletions
diff --git a/main/openssl b/main/openssl new file mode 160000 +Subproject 4d377a9ce111930d8a8f06dc0e94a892a7f6c51 diff --git a/main/openssl/crypto/rc2/rc2_cbc.c b/main/openssl/crypto/rc2/rc2_cbc.c deleted file mode 100644 index 74f48d3d..00000000 --- a/main/openssl/crypto/rc2/rc2_cbc.c +++ /dev/null @@ -1,226 +0,0 @@ -/* crypto/rc2/rc2_cbc.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/rc2.h> -#include "rc2_locl.h" - -void RC2_cbc_encrypt(const unsigned char *in, unsigned char *out, long length, - RC2_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; - RC2_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; - RC2_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; - RC2_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; - RC2_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 RC2_encrypt(unsigned long *d, RC2_KEY *key) - { - int i,n; - register RC2_INT *p0,*p1; - register RC2_INT x0,x1,x2,x3,t; - unsigned long l; - - l=d[0]; - x0=(RC2_INT)l&0xffff; - x1=(RC2_INT)(l>>16L); - l=d[1]; - x2=(RC2_INT)l&0xffff; - x3=(RC2_INT)(l>>16L); - - n=3; - i=5; - - p0=p1= &(key->data[0]); - for (;;) - { - t=(x0+(x1& ~x3)+(x2&x3)+ *(p0++))&0xffff; - x0=(t<<1)|(t>>15); - t=(x1+(x2& ~x0)+(x3&x0)+ *(p0++))&0xffff; - x1=(t<<2)|(t>>14); - t=(x2+(x3& ~x1)+(x0&x1)+ *(p0++))&0xffff; - x2=(t<<3)|(t>>13); - t=(x3+(x0& ~x2)+(x1&x2)+ *(p0++))&0xffff; - x3=(t<<5)|(t>>11); - - if (--i == 0) - { - if (--n == 0) break; - i=(n == 2)?6:5; - - x0+=p1[x3&0x3f]; - x1+=p1[x0&0x3f]; - x2+=p1[x1&0x3f]; - x3+=p1[x2&0x3f]; - } - } - - d[0]=(unsigned long)(x0&0xffff)|((unsigned long)(x1&0xffff)<<16L); - d[1]=(unsigned long)(x2&0xffff)|((unsigned long)(x3&0xffff)<<16L); - } - -void RC2_decrypt(unsigned long *d, RC2_KEY *key) - { - int i,n; - register RC2_INT *p0,*p1; - register RC2_INT x0,x1,x2,x3,t; - unsigned long l; - - l=d[0]; - x0=(RC2_INT)l&0xffff; - x1=(RC2_INT)(l>>16L); - l=d[1]; - x2=(RC2_INT)l&0xffff; - x3=(RC2_INT)(l>>16L); - - n=3; - i=5; - - p0= &(key->data[63]); - p1= &(key->data[0]); - for (;;) - { - t=((x3<<11)|(x3>>5))&0xffff; - x3=(t-(x0& ~x2)-(x1&x2)- *(p0--))&0xffff; - t=((x2<<13)|(x2>>3))&0xffff; - x2=(t-(x3& ~x1)-(x0&x1)- *(p0--))&0xffff; - t=((x1<<14)|(x1>>2))&0xffff; - x1=(t-(x2& ~x0)-(x3&x0)- *(p0--))&0xffff; - t=((x0<<15)|(x0>>1))&0xffff; - x0=(t-(x1& ~x3)-(x2&x3)- *(p0--))&0xffff; - - if (--i == 0) - { - if (--n == 0) break; - i=(n == 2)?6:5; - - x3=(x3-p1[x2&0x3f])&0xffff; - x2=(x2-p1[x1&0x3f])&0xffff; - x1=(x1-p1[x0&0x3f])&0xffff; - x0=(x0-p1[x3&0x3f])&0xffff; - } - } - - d[0]=(unsigned long)(x0&0xffff)|((unsigned long)(x1&0xffff)<<16L); - d[1]=(unsigned long)(x2&0xffff)|((unsigned long)(x3&0xffff)<<16L); - } - |