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