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#include <algorithm>
#include <functional>
#include <opkele/types.h>
#include <opkele/exception.h>
#include <mimetic/mimetic.h>
namespace opkele {
using namespace std;
template<class __a1,class __a2,class __r>
struct bitwise_xor : public binary_function<__a1,__a2,__r> {
__r operator() (const __a1& a1,const __a2& a2) const {
return a1^a2;
}
};
void secret_t::enxor_to_base64(const unsigned char *key_sha1,string& rv) const {
if(size()!=20)
throw bad_input(OPKELE_CP_ "wrong secret size");
vector<unsigned char> tmp;
transform(
begin(), end(),
key_sha1,
back_insert_iterator<vector<unsigned char> >(tmp),
bitwise_xor<unsigned char,unsigned char,unsigned char>() );
mimetic::Base64::Encoder b(0);
mimetic::encode(
tmp.begin(),tmp.end(), b,
back_insert_iterator<string>(rv) );
}
void secret_t::enxor_from_base64(const unsigned char *key_sha1,const string& b64) {
mimetic::Base64::Decoder b;
clear();
mimetic::decode(
b64.begin(),b64.end(), b,
back_insert_iterator<secret_t>(*this) );
transform(
begin(), end(),
key_sha1,
begin(),
bitwise_xor<unsigned char,unsigned char,unsigned char>() );
}
void secret_t::to_base64(string& rv) const {
if(size()!=20)
throw bad_input(OPKELE_CP_ "wrong secret size");
mimetic::Base64::Encoder b(0);
mimetic::encode(
begin(),end(), b,
back_insert_iterator<string>(rv) );
}
void secret_t::from_base64(const string& b64) {
mimetic::Base64::Decoder b;
mimetic::decode(
b64.begin(),b64.end(), b,
back_insert_iterator<secret_t>(*this) );
}
}
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