/**
* @brief This method ends the hash process
* and returns the hash as string.
*
* @return a hash as std::string
*/
std::string sha1wrapper::hashIt(void)
{
hl_uint8 Message_Digest[20];
sha1->SHA1Result(&context, Message_Digest);
return convToString(Message_Digest);
}
/**
* @brief This method ends the hash process
* and returns the hash as string.
*
* @return a hash as std::string
*/
std::string sha256wrapper::hashIt(void)
{
sha2_byte buff[SHA256_DIGEST_STRING_LENGTH];
sha256->SHA256_End(&context,(char*)buff);
return convToString(buff);
}
// Creates a MD5 hash from a file specified in "filename" and returns it as string
// (based on Ronald L. Rivest's code from RFC1321 "The MD5 Message-Digest Algorithm")
string getHashFromFile(const string &filename)
{
const S32 ChunkSize = 1024;
unsigned int len;
unsigned char buffer[ChunkSize], digest[16];
// Open file
FILE *file = fopen (filename.c_str(), "rb");
if(!file)
return "-1";
// Init md5
hash_state md;
md5_init(&md);
// Read the file
while( (len = (unsigned int)fread (buffer, 1, ChunkSize, file)) )
md5_process(&md, buffer, len);
// Generate hash, close the file, and return the hash as string
md5_done(&md, digest);
fclose (file);
return convToString(digest);
}
/*
* creates a MD5 hash from
* a file specified in "filename" and
* returns it as string
* (based on Ronald L. Rivest's code
* from RFC1321 "The MD5 Message-Digest Algorithm")
*/
std::string MD5Wrapper::getHashFromFile(std::string filename) {
FILE *file;
MD5_CTX context;
int len;
unsigned char buffer[1024], digest[16];
//open file
if ((file = fopen (filename.c_str(), "rb")) == NULL)
{
return "-1";
}
//init md5
md5->MD5Init (&context);
//read the filecontent
while ( (len = fread (buffer, 1, 1024, file)) )
{
md5->MD5Update (&context, buffer, len);
}
/*
generate hash, close the file and return the
hash as std::string
*/
md5->MD5Final (digest, &context);
fclose (file);
return convToString(digest);
}
/**
* @brief This method ends the hash process
* and returns the hash as string.
*
* @return the hash as std::string
*/
std::string md5wrapper::hashIt(void)
{
//create the hash
unsigned char buff[16] = "";
md5->MD5Final((unsigned char*)buff,&ctx);
//converte the hash to a string and return it
return convToString(buff);
}
/*
* creates a MD5 hash from
* a file specified in "filename" and
* returns it as string
* (based on Ronald L. Rivest's code
* from RFC1321 "The MD5 Message-Digest Algorithm")
*/
std::string md5wrapper::getHashFromFile(std::string filename, uint32_t & length, char * first_kb)
{
FILE *file;
MD5Context context;
int len;
int saved = 0;
unsigned char buffer[1024], digest[16];
//open file
if ((file = fopen (filename.c_str(), "rb")) == NULL)
{
return "file unreadable.";
}
length = 0;
//init md5
MD5Init (&context);
//read the filecontent
while (1)
{
errno = 0;
len = fread (buffer, 1, 1024, file);
if(saved < 1024 && first_kb)
{
memcpy(first_kb + saved, buffer, std::min (len, 1024 - saved));
saved += len;
}
length += len;
if(len != 1024)
{
int err = ferror(file);
//FIXME: check errno here.
if(err)
{
fclose(file);
return strerror(err);
}
if(feof(file))
{
MD5Update (&context, buffer, len);
break;
}
}
MD5Update (&context, buffer, len);
}
/*
generate hash, close the file and return the
hash as std::string
*/
MD5Final (digest, &context);
fclose (file);
return convToString(digest);
}
// Internal hash function, calling the basic methods from md5.h
static string hash(const string &text)
{
unsigned char outBuffer[16] = "";
hash_state md;
md5_init(&md);
md5_process(&md, (unsigned char*)text.c_str(), (unsigned int)text.length());
md5_done(&md, outBuffer);
// Convert the hash to a string and return it
return convToString(outBuffer);
}
/*
* internal hash function, calling
* the basic methods from md5.h
*/
std::string md5wrapper::hashit(unsigned char *data, size_t length)
{
MD5Context ctx;
//init md5
MD5Init(&ctx);
//update with our string
MD5Update(&ctx, data, length);
//create the hash
unsigned char buff[16] = "";
MD5Final((unsigned char*)buff,&ctx);
//converte the hash to a string and return it
return convToString(buff);
}
/*
* internal hash function, calling
* the basic methods from md5.h
*/
std::string MD5Wrapper::hashit(std::string text) {
MD5_CTX ctx;
//init md5
md5->MD5Init(&ctx);
//update with our string
md5->MD5Update(&ctx,
(unsigned char*)text.c_str(),
text.length());
//create the hash
unsigned char buff[16] = "";
md5->MD5Final((unsigned char*)buff,&ctx);
//converte the hash to a string and return it
return convToString(buff);
}
// Return the final computed hash
string IncrementalHasher::getHash()
{
U8 digest[16];
md5_done(&mHashState, digest);
return convToString(digest);
}
