diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/des/xcbc_enc.c')
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/des/xcbc_enc.c | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/Cryptlib/OpenSSL/crypto/des/xcbc_enc.c b/Cryptlib/OpenSSL/crypto/des/xcbc_enc.c deleted file mode 100644 index c4e455d9..00000000 --- a/Cryptlib/OpenSSL/crypto/des/xcbc_enc.c +++ /dev/null @@ -1,103 +0,0 @@ -/* - * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. - * - * Licensed under the OpenSSL license (the "License"). You may not use - * this file except in compliance with the License. You can obtain a copy - * in the file LICENSE in the source distribution or at - * https://www.openssl.org/source/license.html - */ - -#include "des_locl.h" - -/* RSA's DESX */ - -void DES_xcbc_encrypt(const unsigned char *in, unsigned char *out, - long length, DES_key_schedule *schedule, - DES_cblock *ivec, const_DES_cblock *inw, - const_DES_cblock *outw, int enc) -{ - register DES_LONG tin0, tin1; - register DES_LONG tout0, tout1, xor0, xor1; - register DES_LONG inW0, inW1, outW0, outW1; - register const unsigned char *in2; - register long l = length; - DES_LONG tin[2]; - unsigned char *iv; - - in2 = &(*inw)[0]; - c2l(in2, inW0); - c2l(in2, inW1); - in2 = &(*outw)[0]; - c2l(in2, outW0); - c2l(in2, outW1); - - iv = &(*ivec)[0]; - - if (enc) { - c2l(iv, tout0); - c2l(iv, tout1); - for (l -= 8; l >= 0; l -= 8) { - c2l(in, tin0); - c2l(in, tin1); - tin0 ^= tout0 ^ inW0; - tin[0] = tin0; - tin1 ^= tout1 ^ inW1; - tin[1] = tin1; - DES_encrypt1(tin, schedule, DES_ENCRYPT); - tout0 = tin[0] ^ outW0; - l2c(tout0, out); - tout1 = tin[1] ^ outW1; - l2c(tout1, out); - } - if (l != -8) { - c2ln(in, tin0, tin1, l + 8); - tin0 ^= tout0 ^ inW0; - tin[0] = tin0; - tin1 ^= tout1 ^ inW1; - tin[1] = tin1; - DES_encrypt1(tin, schedule, DES_ENCRYPT); - tout0 = tin[0] ^ outW0; - l2c(tout0, out); - tout1 = tin[1] ^ outW1; - l2c(tout1, out); - } - iv = &(*ivec)[0]; - l2c(tout0, iv); - l2c(tout1, iv); - } else { - c2l(iv, xor0); - c2l(iv, xor1); - for (l -= 8; l > 0; l -= 8) { - c2l(in, tin0); - tin[0] = tin0 ^ outW0; - c2l(in, tin1); - tin[1] = tin1 ^ outW1; - DES_encrypt1(tin, schedule, DES_DECRYPT); - tout0 = tin[0] ^ xor0 ^ inW0; - tout1 = tin[1] ^ xor1 ^ inW1; - l2c(tout0, out); - l2c(tout1, out); - xor0 = tin0; - xor1 = tin1; - } - if (l != -8) { - c2l(in, tin0); - tin[0] = tin0 ^ outW0; - c2l(in, tin1); - tin[1] = tin1 ^ outW1; - DES_encrypt1(tin, schedule, DES_DECRYPT); - tout0 = tin[0] ^ xor0 ^ inW0; - tout1 = tin[1] ^ xor1 ^ inW1; - l2cn(tout0, tout1, out, l + 8); - xor0 = tin0; - xor1 = tin1; - } - - iv = &(*ivec)[0]; - l2c(xor0, iv); - l2c(xor1, iv); - } - tin0 = tin1 = tout0 = tout1 = xor0 = xor1 = 0; - inW0 = inW1 = outW0 = outW1 = 0; - tin[0] = tin[1] = 0; -} |
