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hashlib.cc
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hashlib.cc
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#include <v8.h>
#include "lib/md5/md5.c"
#include "lib/sha/shamodule.c"
#include "lib/sha/sha256module.c"
#include "lib/sha/sha512module.c"
#include "lib/md6/md6.h"
#include "lib/md6/md6_compress.c"
#include "lib/md6/md6_mode.c"
#include <iostream>
using namespace v8;
// make digest from php
static void
make_digest_ex(unsigned char *md5str, unsigned char *digest, int len)
{
static const char hexits[17] = "0123456789abcdef";
int i;
for (i = 0; i < len; i++) {
md5str[i * 2] = hexits[digest[i] >> 4];
md5str[(i * 2) + 1] = hexits[digest[i] & 0x0F];
}
md5str[len * 2] = '\0';
}
Handle<Value>
sha1(const Arguments& args)
{
HandleScope scope;
using namespace sha1module;
String::Utf8Value data(args[0]->ToString());
unsigned char digest[40];
unsigned char hexdigest[40];
SHAobject *sha;
sha=new SHAobject;
sha_init(sha);
sha_update(sha, (unsigned char*) *data, data.length());
sha_final(digest, sha);
make_digest_ex(hexdigest, digest, 20);
return String::New((char*)hexdigest,40);
}
Handle<Value>
sha256(const Arguments& args)
{
HandleScope scope;
using namespace sha256module;
String::Utf8Value data(args[0]->ToString());
unsigned char digest[64];
unsigned char hexdigest[64];
SHAobject *sha;
sha=new SHAobject;
sha_init(sha);
sha_update(sha, (unsigned char*) *data, data.length());
sha_final(digest, sha);
make_digest_ex(hexdigest, digest, 32);
return String::New((char*)hexdigest,64);
}
Handle<Value>
sha512(const Arguments& args)
{
HandleScope scope;
using namespace sha512module;
String::Utf8Value data(args[0]->ToString());
unsigned char digest[128];
unsigned char hexdigest[128];
SHAobject *sha;
sha=new SHAobject;
sha512_init(sha);
sha512_update(sha, (unsigned char*) *data, data.length());
sha512_final(digest, sha);
make_digest_ex(hexdigest, digest, 64);
return String::New((char*)hexdigest,128);
}
Handle<Value>
md6(const Arguments& args)
{
HandleScope scope;
String::Utf8Value data(args[0]->ToString());
int len(32);
if (!args[1]->IsUndefined()) {
len=args[1]->ToInteger()->Value();
}
unsigned char digest[len];
unsigned char hexdigest[len];
md6_hash(len*8, (unsigned char*) *data, data.length(), digest);
int half_len=len/2;
if (len%2!=0) half_len++;
make_digest_ex(hexdigest, digest, half_len);
return String::New((char*)hexdigest,len);
}
Handle<Value>
md5(const Arguments& args)
{
HandleScope scope;
String::Utf8Value data(args[0]->ToString());
md5_state_t mdContext;
unsigned char digest[16];
unsigned char hexdigest[32];
/* make an hash */
md5_init(&mdContext);
md5_append(&mdContext,(unsigned char*)*data,data.length());
md5_finish(&mdContext, digest);
make_digest_ex(hexdigest, digest, 16);
return String::New((char*)hexdigest,32);
}
extern "C" void init (Handle<Object> target)
{
HandleScope scope;
target->Set(String::New("md5"), FunctionTemplate::New(md5)->GetFunction());
target->Set(String::New("md6"), FunctionTemplate::New(md6)->GetFunction());
target->Set(String::New("sha"), FunctionTemplate::New(sha1)->GetFunction());
target->Set(String::New("sha1"), FunctionTemplate::New(sha1)->GetFunction());
target->Set(String::New("sha256"), FunctionTemplate::New(sha256)->GetFunction());
target->Set(String::New("sha512"), FunctionTemplate::New(sha512)->GetFunction());
}