rockbox - My Rockbox tree

diff options

Diffstat (limited to 'apps/plugins/lib/pluginlib_albumart.c')

0 files changed, 0 insertions, 0 deletions

/* zenutils - Utilities for working with creative firmwares. * Copyright 2007 (c) Rasmus Ry <rasmus.ry{at}gmail.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "crypt.h" #include <stdexcept> #include <beecrypt/hmacsha1.h> #include <beecrypt/blockmode.h> #include <beecrypt/blowfish.h> bool zen::hmac_sha1_calc(const byte* key, size_t keylen, const byte* data, size_t datalen, byte* sig, size_t* siglen) { hmacsha1Param param; if (hmacsha1Setup(&param, key, keylen * 8)) return false; if (hmacsha1Update(&param, data, datalen)) return false; if (hmacsha1Digest(&param, sig)) return false; return true; } bool zen::bf_cbc_encrypt(const byte* key, size_t keylen, byte* data, size_t datalen, const byte* iv) { if (datalen % blowfish.blocksize) throw std::invalid_argument( "The length must be aligned on a 8 byte boundary."); blowfishParam param; if (blowfishSetup(&param, key, keylen * 8, ENCRYPT)) return false; if (blowfishSetIV(&param, iv)) return false; byte* plain = new byte[datalen]; memcpy(plain, data, datalen); unsigned int nblocks = datalen / blowfish.blocksize; if (blockEncryptCBC(&blowfish, &param, (uint32_t*)data, (uint32_t*)plain, nblocks)) { delete [] plain; return false; } return true; } bool zen::bf_cbc_decrypt(const byte* key, size_t keylen, byte* data, size_t datalen, const byte* iv) { if (datalen % blowfish.blocksize) throw std::invalid_argument( "The length must be aligned on a 8 byte boundary."); blowfishParam param; if (blowfishSetup(&param, key, keylen * 8, ENCRYPT)) return false; if (blowfishSetIV(&param, iv)) return false; byte* cipher = new byte[datalen]; memcpy(cipher, data, datalen); unsigned int nblocks = datalen / blowfish.blocksize; if (blockDecryptCBC(&blowfish, &param, (uint32_t*)data, (uint32_t*)cipher, nblocks)) { delete [] cipher; return false; } return true; }


context:
space:
mode: