Something like the following:
int key_len = 16;
int iv_len = 16;
int desired_len = key_len+iv_len;
string data;
string d;
string pass = "user password";
byte salt[8] = "8 bit random salt";
while ( data.length() < desired_len)
{
string digestKeyAndIV = d + pass + string( (char*)salt ;
data += md5(digestKeyAndIV); //psuedo code only
}
string key = data .substr(0, key_len);
string iv = data.substr($key_len, $iv_len);
The above code is just a pseudo code. I want to implement the same
scenario in Crypto++.
Thanks in advance.
On Sep 4, 2:57 pm, Rash <[EMAIL PROTECTED]> wrote:
> Hello all,
>
> I have allocated space of 32 bytes in pass but when the StringSource
> is
> executed I can see only 19 bytes of data. I want to have exactly 32
> bytes
> of data in pass. How can I do it?
>
> byte pass[2*AES::BLOCKSIZE];
> StringSource( digestPasswdIV.data(), true, new HashFilter(*(new MD5),
> new
> ArraySink(pass, 2*AES::BLOCKSIZE)) );
>
> Thanks,
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