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pqcrypto/public/pqc/pqc.h

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#ifndef PQAPI_H_
#define PQAPI_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include <stdbool.h>
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// defines supported signature algorithm list
#define PQC_SUPPORTED_SIGS(_) \
_(DILITHIUM2) \
_(DILITHIUM3) \
_(DILITHIUM5) \
_(FALCON512) \
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_(FALCON1024) \
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_(RAINBOWICLASSIC) \
_(RAINBOWIIICLASSIC) \
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_(RAINBOWVCLASSIC) \
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_(SPHINCSSHAKE256128FSIMPLE) \
_(SPHINCSSHAKE256128SSIMPLE) \
_(SPHINCSSHAKE256128FROBUST) \
_(SPHINCSSHAKE256128SROBUST) \
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_(SPHINCSSHAKE256192FSIMPLE) \
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_(SPHINCSSHAKE256192SSIMPLE) \
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_(SPHINCSSHAKE256192FROBUST) \
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_(SPHINCSSHAKE256192SROBUST) \
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_(SPHINCSSHAKE256256FSIMPLE) \
_(SPHINCSSHAKE256256SSIMPLE) \
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_(SPHINCSSHAKE256256FROBUST) \
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_(SPHINCSSHAKE256256SROBUST) \
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_(SPHINCSSHA256128FSIMPLE) \
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_(SPHINCSSHA256128SSIMPLE) \
_(SPHINCSSHA256128FROBUST) \
_(SPHINCSSHA256128SROBUST) \
_(SPHINCSSHA256192FSIMPLE) \
_(SPHINCSSHA256192SSIMPLE) \
_(SPHINCSSHA256192FROBUST) \
_(SPHINCSSHA256192SROBUST) \
_(SPHINCSSHA256256FSIMPLE) \
_(SPHINCSSHA256256SSIMPLE) \
_(SPHINCSSHA256256FROBUST) \
_(SPHINCSSHA256256SROBUST)
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// defines supported kem algorithm list
#define PQC_SUPPORTED_KEMS(_)\
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_(FRODOKEM640SHAKE) \
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_(FRODOKEM976SHAKE) \
_(FRODOKEM1344SHAKE) \
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_(KYBER512) \
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_(KYBER768) \
_(KYBER1024) \
_(NTRUHPS2048509) \
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_(NTRUHPS4096821) \
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_(NTRUHRSS701) \
_(NTRUHPS2048677) \
_(NTRULPR761) \
_(NTRULPR653) \
_(NTRULPR857) \
_(LIGHTSABER) \
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_(SABER) \
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_(FIRESABER) \
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_(HQCRMRS128) \
_(HQCRMRS192) \
_(HQCRMRS256) \
_(SIKE434)
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// 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
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// Parameters of the scheme
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typedef struct pqc_ctx_t {
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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);
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} pqc_ctx_t;
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typedef struct pqc_kem_ctx_t {
pqc_ctx_t p;
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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);
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} pqc_kem_ctx_t;
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typedef struct pqc_sig_ctx_t {
pqc_ctx_t p;
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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);
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} pqc_sig_ctx_t;
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bool pqc_keygen(
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const pqc_ctx_t *p,
uint8_t *pk, uint8_t *sk);
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bool pqc_kem_encapsulate(
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const pqc_ctx_t *p,
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uint8_t *ct, uint8_t *ss,
const uint8_t *pk);
bool pqc_kem_decapsulate(
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const pqc_ctx_t *p,
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uint8_t *ss, const uint8_t *ct,
const uint8_t *sk);
bool pqc_sig_create(
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const pqc_ctx_t *p,
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uint8_t *sig, uint64_t *siglen,
const uint8_t *m, uint64_t mlen,
const uint8_t *sk);
bool pqc_sig_verify(
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const pqc_ctx_t *p,
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const uint8_t *sig, uint64_t siglen,
const uint8_t *m, uint64_t mlen,
const uint8_t *pk);
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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);
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#ifdef __cplusplus
}
#endif
#endif