231 lines
12 KiB
C++
Executable File
231 lines
12 KiB
C++
Executable File
#include <string.h>
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#include <openssl/md5.h>
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#include <openssl/rsa.h>
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#include <openssl/sha.h>
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#include <openssl/hmac.h>
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#include <openssl/pem.h>
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#include <a8/a8.h>
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#include <a8/openssl.h>
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namespace a8
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{
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namespace openssl
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{
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std::string md5(std::string msg)
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{
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const int digestLen = 16;
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unsigned char digest[digestLen] = {0};
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memset(digest, 0x00, sizeof(digest));
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MD5_CTX ctx;
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MD5_Init(&ctx);
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MD5_Update(&ctx, msg.c_str(), msg.size());
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MD5_Final(digest, &ctx);
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char buf[33] = {0};
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for(int i = 0; i< digestLen; i++ ){
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char tmp[3] = {0};
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sprintf(tmp, "%02X", digest[i]);
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strcat(buf, tmp);
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}
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for(int i = 0; i < 33; i++){
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if(buf[i] >= 'A' && buf[i] <= 'Z'){
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buf[i] += 32;
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}
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}
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return std::string(buf);
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}
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#if 0
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RSA* CreatePublicRSA(unsigned char* key)
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{
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BIO *bio = BIO_new_mem_buf(key, -1);
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if(bio == NULL){
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return NULL;
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}
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RSA *rsa = NULL;
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//-----BEGIN RSA PUBLIC KEY-----
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//rsa = PEM_read_bio_RSAPublicKey(bio, &rsa, NULL, NULL);
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//-----BEGIN PUBLIC KEY-----
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rsa = PEM_read_bio_RSA_PUBKEY(bio, &rsa, NULL, NULL);
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return rsa;
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}
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RSA* CreatePrivateRSA(unsigned char* key)
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{
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RSA *rsa = NULL;
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BIO *keybio = NULL;
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keybio = BIO_new_mem_buf(key, -1);
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if(keybio == NULL){
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return NULL;
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}
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rsa = PEM_read_bio_RSAPrivateKey(keybio, &rsa, NULL, NULL);
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return rsa;
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}
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bool RSAPublicDecrypt(std::string& from, std::string& to, RSA *rsa, int padding)
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{
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int rsa_len = RSA_size(rsa);
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unsigned char *pde = (unsigned char*)malloc(rsa_len + 1);
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memset(pde, 0, rsa_len + 1);
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int ret = RSA_public_decrypt(from.size(),
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(unsigned char*)from.data(),
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pde,
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rsa,
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padding);
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if(ret < 0){
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return false;
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}
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to.append((char*)pde, ret);
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return true;
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}
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#endif
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int Base64Decode(const std::string& from, std::string& to)
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{
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int len = 0;
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BIO *b64, *bmem;
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char* data = (char*)malloc(from.size() * 4);
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memset(data, 0, from.size() * 4);
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b64 = BIO_new(BIO_f_base64());
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BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
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bmem = BIO_new_mem_buf((void*)from.data(), from.size());
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bmem = BIO_push(b64, bmem);
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len = BIO_read(bmem, (void*)data, from.size());
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data[len] = 0;
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to.append((char*)data, len);
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free(data);
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BIO_free_all(bmem);
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return 0;
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}
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void Base64Encode(const std::string& from, std::string& to)
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{
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BIO *b64 = BIO_new(BIO_f_base64());
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BIO *bmem = BIO_new(BIO_s_mem());
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BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
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b64 = BIO_push(b64, bmem);
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BIO_write(b64, from.c_str(), from.size());
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if (BIO_flush(b64)) {
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}
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BUF_MEM * bptr = NULL;
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BIO_get_mem_ptr(b64, &bptr);
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char * buff = (char *)malloc(bptr->length + 1);
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memcpy(buff, bptr->data, bptr->length);
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buff[bptr->length] = 0;
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to.append((char*)buff, bptr->length);
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free(buff);
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BIO_free_all(b64);
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}
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std::string Sha1Encode(std::string& from)
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{
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unsigned char md[SHA_DIGEST_LENGTH];
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SHA_CTX c;
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SHA1_Init(&c);
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SHA1_Update(&c, from.data(), from.size());
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SHA1_Final(md, &c);
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OPENSSL_cleanse(&c, sizeof(c));
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return std::string((char*)md, SHA_DIGEST_LENGTH);
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}
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std::string sha1(std::string& from)
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{
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unsigned char digest[SHA_DIGEST_LENGTH];
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SHA_CTX ctx;
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SHA1_Init(&ctx);
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SHA1_Update(&ctx, from.data(), from.size());
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SHA1_Final(digest, &ctx);
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char mdString[SHA_DIGEST_LENGTH*2+1];
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for (int i = 0; i < SHA_DIGEST_LENGTH; i++){
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sprintf(&mdString[i*2], "%02x", (unsigned int)digest[i]);
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}
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return std::string(mdString);
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}
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unsigned int Crc32(const unsigned char *buf, unsigned int size)
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{
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static const unsigned int crc32tab[] = {
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0x00000000L, 0x77073096L, 0xee0e612cL, 0x990951baL,
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0x076dc419L, 0x706af48fL, 0xe963a535L, 0x9e6495a3L,
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0x0edb8832L, 0x79dcb8a4L, 0xe0d5e91eL, 0x97d2d988L,
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0x09b64c2bL, 0x7eb17cbdL, 0xe7b82d07L, 0x90bf1d91L,
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0x1db71064L, 0x6ab020f2L, 0xf3b97148L, 0x84be41deL,
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0x1adad47dL, 0x6ddde4ebL, 0xf4d4b551L, 0x83d385c7L,
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0x136c9856L, 0x646ba8c0L, 0xfd62f97aL, 0x8a65c9ecL,
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0x14015c4fL, 0x63066cd9L, 0xfa0f3d63L, 0x8d080df5L,
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0x3b6e20c8L, 0x4c69105eL, 0xd56041e4L, 0xa2677172L,
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0x3c03e4d1L, 0x4b04d447L, 0xd20d85fdL, 0xa50ab56bL,
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0x35b5a8faL, 0x42b2986cL, 0xdbbbc9d6L, 0xacbcf940L,
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0x32d86ce3L, 0x45df5c75L, 0xdcd60dcfL, 0xabd13d59L,
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0x26d930acL, 0x51de003aL, 0xc8d75180L, 0xbfd06116L,
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0x21b4f4b5L, 0x56b3c423L, 0xcfba9599L, 0xb8bda50fL,
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0x2802b89eL, 0x5f058808L, 0xc60cd9b2L, 0xb10be924L,
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0x2f6f7c87L, 0x58684c11L, 0xc1611dabL, 0xb6662d3dL,
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0x76dc4190L, 0x01db7106L, 0x98d220bcL, 0xefd5102aL,
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0x71b18589L, 0x06b6b51fL, 0x9fbfe4a5L, 0xe8b8d433L,
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0x7807c9a2L, 0x0f00f934L, 0x9609a88eL, 0xe10e9818L,
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0x7f6a0dbbL, 0x086d3d2dL, 0x91646c97L, 0xe6635c01L,
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0x6b6b51f4L, 0x1c6c6162L, 0x856530d8L, 0xf262004eL,
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0x6c0695edL, 0x1b01a57bL, 0x8208f4c1L, 0xf50fc457L,
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0x65b0d9c6L, 0x12b7e950L, 0x8bbeb8eaL, 0xfcb9887cL,
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0x62dd1ddfL, 0x15da2d49L, 0x8cd37cf3L, 0xfbd44c65L,
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0x4db26158L, 0x3ab551ceL, 0xa3bc0074L, 0xd4bb30e2L,
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0x4adfa541L, 0x3dd895d7L, 0xa4d1c46dL, 0xd3d6f4fbL,
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0x4369e96aL, 0x346ed9fcL, 0xad678846L, 0xda60b8d0L,
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0x44042d73L, 0x33031de5L, 0xaa0a4c5fL, 0xdd0d7cc9L,
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0x5005713cL, 0x270241aaL, 0xbe0b1010L, 0xc90c2086L,
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0x5768b525L, 0x206f85b3L, 0xb966d409L, 0xce61e49fL,
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0x5edef90eL, 0x29d9c998L, 0xb0d09822L, 0xc7d7a8b4L,
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0x59b33d17L, 0x2eb40d81L, 0xb7bd5c3bL, 0xc0ba6cadL,
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0xedb88320L, 0x9abfb3b6L, 0x03b6e20cL, 0x74b1d29aL,
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0xead54739L, 0x9dd277afL, 0x04db2615L, 0x73dc1683L,
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0xe3630b12L, 0x94643b84L, 0x0d6d6a3eL, 0x7a6a5aa8L,
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0xe40ecf0bL, 0x9309ff9dL, 0x0a00ae27L, 0x7d079eb1L,
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0xf00f9344L, 0x8708a3d2L, 0x1e01f268L, 0x6906c2feL,
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0xf762575dL, 0x806567cbL, 0x196c3671L, 0x6e6b06e7L,
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0xfed41b76L, 0x89d32be0L, 0x10da7a5aL, 0x67dd4accL,
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0xf9b9df6fL, 0x8ebeeff9L, 0x17b7be43L, 0x60b08ed5L,
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0xd6d6a3e8L, 0xa1d1937eL, 0x38d8c2c4L, 0x4fdff252L,
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0xd1bb67f1L, 0xa6bc5767L, 0x3fb506ddL, 0x48b2364bL,
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0xd80d2bdaL, 0xaf0a1b4cL, 0x36034af6L, 0x41047a60L,
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0xdf60efc3L, 0xa867df55L, 0x316e8eefL, 0x4669be79L,
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0xcb61b38cL, 0xbc66831aL, 0x256fd2a0L, 0x5268e236L,
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0xcc0c7795L, 0xbb0b4703L, 0x220216b9L, 0x5505262fL,
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0xc5ba3bbeL, 0xb2bd0b28L, 0x2bb45a92L, 0x5cb36a04L,
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0xc2d7ffa7L, 0xb5d0cf31L, 0x2cd99e8bL, 0x5bdeae1dL,
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0x9b64c2b0L, 0xec63f226L, 0x756aa39cL, 0x026d930aL,
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0x9c0906a9L, 0xeb0e363fL, 0x72076785L, 0x05005713L,
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0x95bf4a82L, 0xe2b87a14L, 0x7bb12baeL, 0x0cb61b38L,
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0x92d28e9bL, 0xe5d5be0dL, 0x7cdcefb7L, 0x0bdbdf21L,
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0x86d3d2d4L, 0xf1d4e242L, 0x68ddb3f8L, 0x1fda836eL,
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0x81be16cdL, 0xf6b9265bL, 0x6fb077e1L, 0x18b74777L,
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0x88085ae6L, 0xff0f6a70L, 0x66063bcaL, 0x11010b5cL,
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0x8f659effL, 0xf862ae69L, 0x616bffd3L, 0x166ccf45L,
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0xa00ae278L, 0xd70dd2eeL, 0x4e048354L, 0x3903b3c2L,
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0xa7672661L, 0xd06016f7L, 0x4969474dL, 0x3e6e77dbL,
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0xaed16a4aL, 0xd9d65adcL, 0x40df0b66L, 0x37d83bf0L,
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0xa9bcae53L, 0xdebb9ec5L, 0x47b2cf7fL, 0x30b5ffe9L,
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0xbdbdf21cL, 0xcabac28aL, 0x53b39330L, 0x24b4a3a6L,
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0xbad03605L, 0xcdd70693L, 0x54de5729L, 0x23d967bfL,
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0xb3667a2eL, 0xc4614ab8L, 0x5d681b02L, 0x2a6f2b94L,
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0xb40bbe37L, 0xc30c8ea1L, 0x5a05df1bL, 0x2d02ef8dL
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};
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unsigned int i, crc;
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crc = 0xFFFFFFFF;
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for (i = 0; i < size; i++)
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crc = crc32tab[(crc ^ buf[i]) & 0xff] ^ (crc >> 8);
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return crc^0xFFFFFFFF;
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}
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}
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}
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