Sha256: 9d0dd62d2746ac7c12ec7cd780c588f06758aba01a422a44344880a5b35a19d3
Contents?: true
Size: 1.02 KB
Versions: 62
Compression:
Stored size: 1.02 KB
Contents
module.exports = function (crypto, password, keyLen, ivLen) {
keyLen = keyLen/8;
ivLen = ivLen || 0;
var ki = 0;
var ii = 0;
var key = new Buffer(keyLen);
var iv = new Buffer(ivLen);
var addmd = 0;
var md, md_buf;
var i;
while (true) {
md = crypto.createHash('md5');
if(addmd++ > 0) {
md.update(md_buf);
}
md.update(password);
md_buf = md.digest();
i = 0;
if(keyLen > 0) {
while(true) {
if(keyLen === 0) {
break;
}
if(i === md_buf.length) {
break;
}
key[ki++] = md_buf[i];
keyLen--;
i++;
}
}
if(ivLen > 0 && i !== md_buf.length) {
while(true) {
if(ivLen === 0) {
break;
}
if(i === md_buf.length) {
break;
}
iv[ii++] = md_buf[i];
ivLen--;
i++;
}
}
if(keyLen === 0 && ivLen === 0) {
break;
}
}
for(i=0;i<md_buf.length;i++) {
md_buf[i] = 0;
}
return {
key: key,
iv: iv
};
};
Version data entries
62 entries across 62 versions & 1 rubygems