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Start of a client app

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This commit is contained in:
Ian Gulliver
2015-02-06 16:27:47 +00:00
parent dcbc3d6928
commit 2c9b9f97de
5 changed files with 138 additions and 11 deletions
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20
crypto.cc
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@@ -3,13 +3,15 @@
#include <stdio.h>
#include <unistd.h>
#include <cassert>
#include <iostream>
#include <sodium/crypto_box.h>
#include <sodium/crypto_secretbox.h>
#include <sodium/randombytes.h>
#include "crypto.h"
#include "nacl/build/instance1/include/amd64/crypto_box.h"
#include "nacl/build/instance1/include/amd64/crypto_secretbox.h"
#include "nacl/build/instance1/include/amd64/randombytes.h"
CryptoBase::CryptoBase(const int fd)
: fd_(fd) {}
@@ -21,13 +23,17 @@ CryptoBase::~CryptoBase() {
}
void CryptoBase::GenKey(std::string* key) {
char buf[crypto_secretbox_KEYBYTES];
randombytes((unsigned char *)buf, crypto_secretbox_KEYBYTES);
*key = buf;
unsigned char buf[crypto_secretbox_KEYBYTES];
randombytes_buf(buf, crypto_secretbox_KEYBYTES);
key->assign((char*)buf, crypto_secretbox_KEYBYTES);
}
void CryptoBase::GenKeyPair(std::string* secret_key, std::string* public_key) {
*public_key = crypto_box_keypair(secret_key);
unsigned char public_key_buf[crypto_box_PUBLICKEYBYTES];
unsigned char secret_key_buf[crypto_box_PUBLICKEYBYTES];
assert(crypto_box_keypair(public_key_buf, secret_key_buf) == 0);
public_key->assign((char*)public_key_buf, crypto_box_PUBLICKEYBYTES);
secret_key->assign((char*)secret_key_buf, crypto_box_SECRETKEYBYTES);
}