pqc/crypto_sign/rainbowIa-classic/clean/rainbow_keypair.h
Matthias J. Kannwischer 2bf9d8b3e9 ran clang-format
2019-07-24 10:42:15 +02:00

62 lines
2.0 KiB
C

#ifndef _RAINBOW_KEYPAIR_H_
#define _RAINBOW_KEYPAIR_H_
/// @file rainbow_keypair.h
/// @brief Formats of key pairs and functions for generating key pairs.
/// Formats of key pairs and functions for generating key pairs.
///
#include "rainbow_config.h"
#define N_TRIANGLE_TERMS(n_var) ((n_var) * ((n_var) + 1) / 2)
/// @brief public key for classic rainbow
///
/// public key for classic rainbow
///
typedef struct rainbow_publickey {
unsigned char pk[(_PUB_M_BYTE)*N_TRIANGLE_TERMS(_PUB_N)];
} pk_t;
/// @brief secret key for classic rainbow
///
/// secret key for classic rainbow
///
typedef struct rainbow_secretkey {
///
/// seed for generating secret key.
/// Generating S, T, and F for classic rainbow.
/// Generating S and T only for cyclic rainbow.
unsigned char sk_seed[LEN_SKSEED];
unsigned char s1[_O1_BYTE * _O2]; ///< part of S map
unsigned char t1[_V1_BYTE * _O1]; ///< part of T map
unsigned char t4[_V1_BYTE * _O2]; ///< part of T map
unsigned char t3[_O1_BYTE * _O2]; ///< part of T map
unsigned char l1_F1[_O1_BYTE * N_TRIANGLE_TERMS(_V1)]; ///< part of C-map, F1, Layer1
unsigned char l1_F2[_O1_BYTE * _V1 * _O1]; ///< part of C-map, F2, Layer1
unsigned char l2_F1[_O2_BYTE * N_TRIANGLE_TERMS(_V1)]; ///< part of C-map, F1, Layer2
unsigned char l2_F2[_O2_BYTE * _V1 * _O1]; ///< part of C-map, F2, Layer2
unsigned char l2_F3[_O2_BYTE * _V1 * _O2]; ///< part of C-map, F3, Layer2
unsigned char l2_F5[_O2_BYTE * N_TRIANGLE_TERMS(_O1)]; ///< part of C-map, F5, Layer2
unsigned char l2_F6[_O2_BYTE * _O1 * _O2]; ///< part of C-map, F6, Layer2
} sk_t;
///
/// @brief Generate key pairs for classic rainbow.
///
/// @param[out] pk - the public key.
/// @param[out] sk - the secret key.
/// @param[in] sk_seed - seed for generating the secret key.
///
void PQCLEAN_RAINBOWIACLASSIC_CLEAN_generate_keypair(pk_t *pk, sk_t *sk, const unsigned char *sk_seed);
#endif // _RAINBOW_KEYPAIR_H_