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pqcrypto/public/pqc/pqc.h

145 lines
3.9 KiB
C

#ifndef PQAPI_H_
#define PQAPI_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include <stdbool.h>
// defines supported signature algorithm list
#define PQC_SUPPORTED_SIGS(_) \
_(DILITHIUM2) \
_(DILITHIUM3) \
_(DILITHIUM5) \
_(FALCON512) \
_(FALCON1024) \
_(RAINBOWICLASSIC) \
_(RAINBOWIIICLASSIC) \
_(RAINBOWVCLASSIC) \
_(SPHINCSSHAKE256128FSIMPLE) \
_(SPHINCSSHAKE256128SSIMPLE) \
_(SPHINCSSHAKE256128FROBUST) \
_(SPHINCSSHAKE256128SROBUST) \
_(SPHINCSSHAKE256192FSIMPLE) \
_(SPHINCSSHAKE256192SSIMPLE) \
_(SPHINCSSHAKE256192FROBUST) \
_(SPHINCSSHAKE256192SROBUST) \
_(SPHINCSSHAKE256256FSIMPLE) \
_(SPHINCSSHAKE256256SSIMPLE) \
_(SPHINCSSHAKE256256FROBUST) \
_(SPHINCSSHAKE256256SROBUST) \
_(SPHINCSSHA256128FSIMPLE) \
_(SPHINCSSHA256128SSIMPLE) \
_(SPHINCSSHA256128FROBUST) \
_(SPHINCSSHA256128SROBUST) \
_(SPHINCSSHA256192FSIMPLE) \
_(SPHINCSSHA256192SSIMPLE) \
_(SPHINCSSHA256192FROBUST) \
_(SPHINCSSHA256192SROBUST) \
_(SPHINCSSHA256256FSIMPLE) \
_(SPHINCSSHA256256SSIMPLE) \
_(SPHINCSSHA256256FROBUST) \
_(SPHINCSSHA256256SROBUST)
// defines supported kem algorithm list
#define PQC_SUPPORTED_KEMS(_)\
_(FRODOKEM640SHAKE) \
_(FRODOKEM976SHAKE) \
_(FRODOKEM1344SHAKE) \
_(KYBER512) \
_(KYBER768) \
_(KYBER1024) \
_(NTRUHPS2048509) \
_(NTRUHPS4096821) \
_(NTRUHRSS701) \
_(NTRUHPS2048677) \
_(NTRULPR761) \
_(NTRULPR653) \
_(NTRULPR857) \
_(LIGHTSABER) \
_(SABER) \
_(FIRESABER) \
_(HQCRMRS128) \
_(HQCRMRS192) \
_(HQCRMRS256) \
_(SIKE434)
// Defines IDs for each algorithm. The
// PQC_ALG_SIG/KEM_MAX indicates number
// of KEM and signature schemes supported.
#define DEFNUM(N) N,
enum { PQC_SUPPORTED_SIGS(DEFNUM) PQC_ALG_SIG_MAX };
enum { PQC_SUPPORTED_KEMS(DEFNUM) PQC_ALG_KEM_MAX };
#undef DEFNUM
// Parameters of the scheme
typedef struct pqc_ctx_t {
const uint8_t alg_id;
const char* alg_name;
const uint32_t prv_key_bsz;
const uint32_t pub_key_bsz;
const bool is_kem;
int (*keygen)(uint8_t *sk, uint8_t *pk);
} pqc_ctx_t;
typedef struct pqc_kem_ctx_t {
pqc_ctx_t p;
const uint32_t ciphertext_bsz;
const uint32_t secret_bsz;
int (*encapsulate)(uint8_t *ct, uint8_t *ss, const uint8_t *pk);
int (*decapsulate)(uint8_t *ss, const uint8_t *ct, const uint8_t *sk);
} pqc_kem_ctx_t;
typedef struct pqc_sig_ctx_t {
pqc_ctx_t p;
const uint32_t sign_bsz;
int (*sign)(uint8_t *sig, uint64_t *siglen, const uint8_t *m, uint64_t mlen, const uint8_t *sk);
int (*verify)(const uint8_t *sig, uint64_t siglen, const uint8_t *m, uint64_t mlen, const uint8_t *pk);
} pqc_sig_ctx_t;
bool pqc_keygen(
const pqc_ctx_t *p,
uint8_t *pk, uint8_t *sk);
bool pqc_kem_encapsulate(
const pqc_ctx_t *p,
uint8_t *ct, uint8_t *ss,
const uint8_t *pk);
bool pqc_kem_decapsulate(
const pqc_ctx_t *p,
uint8_t *ss, const uint8_t *ct,
const uint8_t *sk);
bool pqc_sig_create(
const pqc_ctx_t *p,
uint8_t *sig, uint64_t *siglen,
const uint8_t *m, uint64_t mlen,
const uint8_t *sk);
bool pqc_sig_verify(
const pqc_ctx_t *p,
const uint8_t *sig, uint64_t siglen,
const uint8_t *m, uint64_t mlen,
const uint8_t *pk);
const pqc_ctx_t *pqc_kem_alg_by_id(uint8_t id);
const pqc_ctx_t *pqc_sig_alg_by_id(uint8_t id);
uint32_t pqc_ciphertext_bsz(const pqc_ctx_t *p);
uint32_t pqc_shared_secret_bsz(const pqc_ctx_t *p);
uint32_t pqc_signature_bsz(const pqc_ctx_t *p);
uint32_t pqc_public_key_bsz(const pqc_ctx_t *p);
uint32_t pqc_private_key_bsz(const pqc_ctx_t *p);
#ifdef __cplusplus
}
#endif
#endif