mirror of
https://github.com/servalproject/serval-dna.git
synced 2024-12-28 00:48:54 +00:00
bf9710fd5a
This only affects build_android, if nacl-gcc-prep is run then build/`uname -s` will be created.
20 lines
795 B
C++
20 lines
795 B
C++
#include <string>
|
|
using std::string;
|
|
#include "crypto_secretbox.h"
|
|
|
|
string crypto_secretbox(const string &m,const string &n,const string &k)
|
|
{
|
|
if (k.size() != crypto_secretbox_KEYBYTES) throw "incorrect key length";
|
|
if (n.size() != crypto_secretbox_NONCEBYTES) throw "incorrect nonce length";
|
|
size_t mlen = m.size() + crypto_secretbox_ZEROBYTES;
|
|
unsigned char mpad[mlen];
|
|
for (int i = 0;i < crypto_secretbox_ZEROBYTES;++i) mpad[i] = 0;
|
|
for (int i = crypto_secretbox_ZEROBYTES;i < mlen;++i) mpad[i] = m[i - crypto_secretbox_ZEROBYTES];
|
|
unsigned char cpad[mlen];
|
|
crypto_secretbox(cpad,mpad,mlen,(const unsigned char *) n.c_str(),(const unsigned char *) k.c_str());
|
|
return string(
|
|
(char *) cpad + crypto_secretbox_BOXZEROBYTES,
|
|
mlen - crypto_secretbox_BOXZEROBYTES
|
|
);
|
|
}
|