diff options
Diffstat (limited to 'thirdparty/openssl/crypto/rc5/rc5_enc.c')
-rw-r--r-- | thirdparty/openssl/crypto/rc5/rc5_enc.c | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/thirdparty/openssl/crypto/rc5/rc5_enc.c b/thirdparty/openssl/crypto/rc5/rc5_enc.c deleted file mode 100644 index 06b89d83a1..0000000000 --- a/thirdparty/openssl/crypto/rc5/rc5_enc.c +++ /dev/null @@ -1,209 +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]; -} |