diff options
Diffstat (limited to 'thirdparty/openssl/crypto/rc2/rc2_cbc.c')
-rw-r--r-- | thirdparty/openssl/crypto/rc2/rc2_cbc.c | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/thirdparty/openssl/crypto/rc2/rc2_cbc.c b/thirdparty/openssl/crypto/rc2/rc2_cbc.c deleted file mode 100644 index 5eaf01d2e0..0000000000 --- a/thirdparty/openssl/crypto/rc2/rc2_cbc.c +++ /dev/null @@ -1,228 +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); -} |