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/*
* Classic McEliece Parameters
* (C) 2024 Jack Lloyd
* 2024 Fabian Albert, Amos Treiber - Rohde & Schwarz Cybersecurity
*
* Botan is released under the Simplified BSD License (see license.txt)
**/
#ifndef BOTAN_CMCE_PARAMETER_SET_H_
#define BOTAN_CMCE_PARAMETER_SET_H_
#include <botan/asn1_obj.h>
namespace Botan {
/**
* All Classic McEliece parameter sets defined in the NIST Round 4
* submission and the Classic McEliece ISO Draft.
*
* Instances are defined in the following format:
* mceliece{n}{t}{[pc]}{[f]}
*
* Instance with 'pc' use plaintext confirmation as defined in the ISO Draft.
* Instance with 'f' use matrix reduction with the semi-systematic form.
*/
class BOTAN_PUBLIC_API(3, 4) Classic_McEliece_Parameter_Set {
public:
enum class Code {
ClassicMcEliece_348864, // NIST
ClassicMcEliece_348864f, // NIST
ClassicMcEliece_460896, // NIST
ClassicMcEliece_460896f, // NIST
ClassicMcEliece_6688128, // ISO + NIST
ClassicMcEliece_6688128f, // ISO + NIST
ClassicMcEliece_6688128pc, // ISO
ClassicMcEliece_6688128pcf, // ISO
ClassicMcEliece_6960119, // ISO + NIST
ClassicMcEliece_6960119f, // ISO + NIST
ClassicMcEliece_6960119pc, // ISO
ClassicMcEliece_6960119pcf, // ISO
ClassicMcEliece_8192128, // ISO + NIST
ClassicMcEliece_8192128f, // ISO + NIST
ClassicMcEliece_8192128pc, // ISO
ClassicMcEliece_8192128pcf, // ISO
};
using enum Code;
Classic_McEliece_Parameter_Set(Code code) : m_code(code) {}
/**
* @brief Get the parameter set for a given parameter set name.
*/
static Classic_McEliece_Parameter_Set from_string(std::string_view param_name);
/**
* @brief Get the parameter set name for a given parameter set.
*/
std::string to_string() const;
/**
* @brief Get the parameter set for a given OID.
*/
static Classic_McEliece_Parameter_Set from_oid(const OID& oid);
/**
* @brief Get the code for a given parameter set.
*/
Code code() const { return m_code; }
bool operator==(const Classic_McEliece_Parameter_Set& other) const { return m_code == other.m_code; }
private:
const Code m_code;
};
} // namespace Botan
#endif // BOTAN_CMCE_PARAMETER_SET_H_