mirror of
https://github.com/henrydcase/pqc.git
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143 lines
3.9 KiB
C
143 lines
3.9 KiB
C
#ifndef PQAPI_H_
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#define PQAPI_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include <stdbool.h>
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// Defines supported signature algorithm list. The resulting
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// ID of an algorithm is PQC_ALG_SIG_(NAME_AS_BELOW)
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#define PQC_SUPPORTED_SIGS(_) \
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_(DILITHIUM2) \
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_(DILITHIUM3) \
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_(DILITHIUM5) \
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_(FALCON512) \
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_(FALCON1024) \
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_(SPHINCSSHAKE256128FSIMPLE) \
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_(SPHINCSSHAKE256128SSIMPLE) \
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_(SPHINCSSHAKE256128FROBUST) \
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_(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) \
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_(SPHINCSSHAKE256256SSIMPLE) \
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_(SPHINCSSHAKE256256FROBUST) \
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_(SPHINCSSHAKE256256SROBUST) \
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_(SPHINCSSHA256128FSIMPLE) \
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_(SPHINCSSHA256128SSIMPLE) \
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_(SPHINCSSHA256128FROBUST) \
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_(SPHINCSSHA256128SROBUST) \
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_(SPHINCSSHA256192FSIMPLE) \
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_(SPHINCSSHA256192SSIMPLE) \
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_(SPHINCSSHA256192FROBUST) \
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_(SPHINCSSHA256192SROBUST) \
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_(SPHINCSSHA256256FSIMPLE) \
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_(SPHINCSSHA256256SSIMPLE) \
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_(SPHINCSSHA256256FROBUST) \
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_(SPHINCSSHA256256SROBUST)
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// Defines supported kem algorithm list. The resulting
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// ID of an algorithm is PQC_ALG_KEM_(NAME_AS_BELOW)
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#define PQC_SUPPORTED_KEMS(_)\
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_(KYBER512) \
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_(KYBER768) \
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_(KYBER1024) \
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_(HQCRMRS128) \
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_(HQCRMRS192) \
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_(HQCRMRS256) \
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_(SIKE434) \
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_(MCELIECE348864) \
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_(MCELIECE460896) \
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_(MCELIECE6688128) \
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_(MCELIECE6960119) \
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_(MCELIECE8192128) \
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_(MCELIECE348864F) \
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_(MCELIECE460896F) \
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_(MCELIECE6688128F) \
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_(MCELIECE6960119F) \
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_(MCELIECE8192128F)
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// Defines IDs for each algorithm. The
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// PQC_ALG_SIG/KEM_MAX indicates number
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// of KEM and signature schemes supported.
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#define DEFNUM_SIG(N) PQC_ALG_SIG_##N,
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#define DEFNUM_KEM(N) PQC_ALG_KEM_##N,
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enum { PQC_SUPPORTED_SIGS(DEFNUM_SIG) PQC_ALG_SIG_MAX };
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enum { PQC_SUPPORTED_KEMS(DEFNUM_KEM) PQC_ALG_KEM_MAX };
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#undef DEFNUM_SIG
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#undef DEFNUM_KEM
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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;
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const char* alg_name;
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const uint32_t prv_key_bsz;
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const uint32_t pub_key_bsz;
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const bool is_kem;
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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 {
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pqc_ctx_t p;
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const uint32_t ciphertext_bsz;
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const uint32_t secret_bsz;
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int (*encapsulate)(uint8_t *ct, uint8_t *ss, const uint8_t *pk);
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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 {
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pqc_ctx_t p;
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const uint32_t sign_bsz;
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int (*sign)(uint8_t *sig, uint64_t *siglen, const uint8_t *m, uint64_t mlen, const uint8_t *sk);
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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,
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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,
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const uint8_t *pk);
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bool pqc_kem_decapsulate(
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const pqc_ctx_t *p,
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uint8_t *ss, const uint8_t *ct,
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const uint8_t *sk);
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bool pqc_sig_create(
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const pqc_ctx_t *p,
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uint8_t *sig, uint64_t *siglen,
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const uint8_t *m, uint64_t mlen,
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const uint8_t *sk);
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bool pqc_sig_verify(
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const pqc_ctx_t *p,
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const uint8_t *sig, uint64_t siglen,
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const uint8_t *m, uint64_t mlen,
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const uint8_t *pk);
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const pqc_ctx_t *pqc_kem_alg_by_id(uint8_t id);
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const pqc_ctx_t *pqc_sig_alg_by_id(uint8_t id);
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uint32_t pqc_ciphertext_bsz(const pqc_ctx_t *p);
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uint32_t pqc_shared_secret_bsz(const pqc_ctx_t *p);
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uint32_t pqc_signature_bsz(const pqc_ctx_t *p);
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uint32_t pqc_public_key_bsz(const pqc_ctx_t *p);
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uint32_t pqc_private_key_bsz(const pqc_ctx_t *p);
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#ifdef __cplusplus
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}
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#endif
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#endif
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