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// common code for the validation and benchmark code
#ifndef BOTAN_CHECK_COMMON_H__
#define BOTAN_CHECK_COMMON_H__
#include <vector>
#include <string>
#include <deque>
#include <stdexcept>
#include <botan/secmem.h>
#include <botan/filter.h>
#include <botan/rng.h>
using Botan::byte;
using Botan::u32bit;
using Botan::u64bit;
void strip_comments(std::string& line);
void strip_newlines(std::string& line);
void strip(std::string& line);
std::vector<std::string> parse(const std::string& line);
std::string hex_encode(const byte in[], u32bit len);
Botan::SecureVector<byte> decode_hex(const std::string&);
Botan::Filter* lookup(const std::string& algname,
const std::vector<std::string>& params);
Botan::Filter* lookup_block(const std::string&, const std::string&);
Botan::Filter* lookup_cipher(const std::string&, const std::string&,
const std::string&, bool);
Botan::Filter* lookup_hash(const std::string&);
Botan::Filter* lookup_mac(const std::string&, const std::string&);
Botan::Filter* lookup_rng(const std::string&, const std::string&);
Botan::Filter* lookup_encoder(const std::string&);
Botan::Filter* lookup_s2k(const std::string&, const std::vector<std::string>&);
Botan::Filter* lookup_kdf(const std::string&, const std::string&,
const std::string&);
class Fixed_Output_RNG : public Botan::RandomNumberGenerator
{
public:
bool is_seeded() const { return !buf.empty(); }
byte random()
{
if(buf.empty())
throw std::runtime_error("Out of bytes");
byte out = buf.front();
buf.pop_front();
return out;
}
void reseed(u32bit) {}
void randomize(byte out[], u32bit len)
{
for(u32bit j = 0; j != len; j++)
out[j] = random();
}
std::string name() const { return "Fixed_Output_RNG"; }
void add_entropy_source(Botan::EntropySource* src) { delete src; }
void add_entropy(const byte[], u32bit) {};
void clear() throw() {}
Fixed_Output_RNG(const Botan::SecureVector<byte>& in)
{
buf.insert(buf.end(), in.begin(), in.begin() + in.size());
}
Fixed_Output_RNG(const std::string& in_str)
{
Botan::SecureVector<byte> in = decode_hex(in_str);
buf.insert(buf.end(), in.begin(), in.begin() + in.size());
}
Fixed_Output_RNG() {}
private:
std::deque<byte> buf;
};
#endif
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