Last change
on this file since 380 was 331, checked in by coas-nagasima, 6 years ago |
prototoolに関連するプロジェクトをnewlibからmuslを使うよう変更・更新
ntshellをnewlibの下位の実装から、muslのsyscallの実装に変更・更新
以下のOSSをアップデート
・mruby-1.3.0
・musl-1.1.18
・onigmo-6.1.3
・tcc-0.9.27
以下のOSSを追加
・openssl-1.1.0e
・curl-7.57.0
・zlib-1.2.11
以下のmrbgemsを追加
・iij/mruby-digest
・iij/mruby-env
・iij/mruby-errno
・iij/mruby-iijson
・iij/mruby-ipaddr
・iij/mruby-mock
・iij/mruby-require
・iij/mruby-tls-openssl
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File size:
1.9 KB
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1 | /*
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2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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3 | *
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4 | * Licensed under the OpenSSL license (the "License"). You may not use
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5 | * this file except in compliance with the License. You can obtain a copy
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6 | * in the file LICENSE in the source distribution or at
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7 | * https://www.openssl.org/source/license.html
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8 | */
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9 |
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10 | #include "des_locl.h"
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11 |
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12 | void DES_pcbc_encrypt(const unsigned char *input, unsigned char *output,
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13 | long length, DES_key_schedule *schedule,
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14 | DES_cblock *ivec, int enc)
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15 | {
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16 | register DES_LONG sin0, sin1, xor0, xor1, tout0, tout1;
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17 | DES_LONG tin[2];
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18 | const unsigned char *in;
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19 | unsigned char *out, *iv;
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20 |
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21 | in = input;
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22 | out = output;
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23 | iv = &(*ivec)[0];
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24 |
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25 | if (enc) {
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26 | c2l(iv, xor0);
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27 | c2l(iv, xor1);
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28 | for (; length > 0; length -= 8) {
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29 | if (length >= 8) {
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30 | c2l(in, sin0);
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31 | c2l(in, sin1);
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32 | } else
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33 | c2ln(in, sin0, sin1, length);
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34 | tin[0] = sin0 ^ xor0;
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35 | tin[1] = sin1 ^ xor1;
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36 | DES_encrypt1((DES_LONG *)tin, schedule, DES_ENCRYPT);
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37 | tout0 = tin[0];
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38 | tout1 = tin[1];
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39 | xor0 = sin0 ^ tout0;
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40 | xor1 = sin1 ^ tout1;
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41 | l2c(tout0, out);
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42 | l2c(tout1, out);
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43 | }
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44 | } else {
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45 | c2l(iv, xor0);
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46 | c2l(iv, xor1);
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47 | for (; length > 0; length -= 8) {
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48 | c2l(in, sin0);
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49 | c2l(in, sin1);
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50 | tin[0] = sin0;
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51 | tin[1] = sin1;
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52 | DES_encrypt1((DES_LONG *)tin, schedule, DES_DECRYPT);
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53 | tout0 = tin[0] ^ xor0;
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54 | tout1 = tin[1] ^ xor1;
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55 | if (length >= 8) {
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56 | l2c(tout0, out);
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57 | l2c(tout1, out);
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58 | } else
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59 | l2cn(tout0, tout1, out, length);
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60 | xor0 = tout0 ^ sin0;
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61 | xor1 = tout1 ^ sin1;
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62 | }
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63 | }
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64 | tin[0] = tin[1] = 0;
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65 | sin0 = sin1 = xor0 = xor1 = tout0 = tout1 = 0;
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66 | }
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