eme_raw.cpp

Go to the documentation of this file.

/*
* (C) 2015,2016 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
 
#include <botan/internal/eme_raw.h>
 
#include <botan/internal/bit_ops.h>
#include <botan/internal/ct_utils.h>
 
namespace Botan {
 
secure_vector<uint8_t> EME_Raw::pad(const uint8_t in[],
                                    size_t in_length,
                                    size_t /*key_length*/,
                                    RandomNumberGenerator& /*rng*/) const {
   return secure_vector<uint8_t>(in, in + in_length);
}
 
secure_vector<uint8_t> EME_Raw::unpad(uint8_t& valid_mask, const uint8_t in[], size_t in_length) const {
   valid_mask = 0xFF;
   return CT::strip_leading_zeros(in, in_length);
}
 
size_t EME_Raw::maximum_input_size(size_t keybits) const {
   return keybits / 8;
}
}  // namespace Botan