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// SPDX-License-Identifier: MIT
#include <stdlib.h>
#include <oqs/kem_kyber.h>
#if defined(OQS_ENABLE_KEM_kyber_512)
OQS_KEM *OQS_KEM_kyber_512_new(void) {
OQS_KEM *kem = malloc(sizeof(OQS_KEM));
if (kem == NULL) {
return NULL;
}
kem->method_name = OQS_KEM_alg_kyber_512;
kem->alg_version = "https://github.com/pq-crystals/kyber/commit/74cad307858b61e434490c75f812cb9b9ef7279b";
kem->claimed_nist_level = 1;
kem->ind_cca = true;
kem->length_public_key = OQS_KEM_kyber_512_length_public_key;
kem->length_secret_key = OQS_KEM_kyber_512_length_secret_key;
kem->length_ciphertext = OQS_KEM_kyber_512_length_ciphertext;
kem->length_shared_secret = OQS_KEM_kyber_512_length_shared_secret;
kem->keypair = OQS_KEM_kyber_512_keypair;
kem->encaps = OQS_KEM_kyber_512_encaps;
kem->decaps = OQS_KEM_kyber_512_decaps;
return kem;
}
extern int pqcrystals_kyber512_ref_keypair(uint8_t *pk, uint8_t *sk);
extern int pqcrystals_kyber512_ref_enc(uint8_t *ct, uint8_t *ss, const uint8_t *pk);
extern int pqcrystals_kyber512_ref_dec(uint8_t *ss, const uint8_t *ct, const uint8_t *sk);
#if defined(OQS_ENABLE_KEM_kyber_512_avx2)
extern int pqcrystals_kyber512_avx2_keypair(uint8_t *pk, uint8_t *sk);
extern int pqcrystals_kyber512_avx2_enc(uint8_t *ct, uint8_t *ss, const uint8_t *pk);
extern int pqcrystals_kyber512_avx2_dec(uint8_t *ss, const uint8_t *ct, const uint8_t *sk);
#endif
#if defined(OQS_ENABLE_KEM_kyber_512_aarch64)
extern int PQCLEAN_KYBER512_AARCH64_crypto_kem_keypair(uint8_t *pk, uint8_t *sk);
extern int PQCLEAN_KYBER512_AARCH64_crypto_kem_enc(uint8_t *ct, uint8_t *ss, const uint8_t *pk);
extern int PQCLEAN_KYBER512_AARCH64_crypto_kem_dec(uint8_t *ss, const uint8_t *ct, const uint8_t *sk);
#endif
OQS_API OQS_STATUS OQS_KEM_kyber_512_keypair(uint8_t *public_key, uint8_t *secret_key) {
#if defined(OQS_ENABLE_KEM_kyber_512_avx2)
#if defined(OQS_DIST_BUILD)
if (OQS_CPU_has_extension(OQS_CPU_EXT_AVX2) && OQS_CPU_has_extension(OQS_CPU_EXT_BMI2) && OQS_CPU_has_extension(OQS_CPU_EXT_POPCNT)) {
#endif /* OQS_DIST_BUILD */
return (OQS_STATUS) pqcrystals_kyber512_avx2_keypair(public_key, secret_key);
#if defined(OQS_DIST_BUILD)
} else {
return (OQS_STATUS) pqcrystals_kyber512_ref_keypair(public_key, secret_key);
}
#endif /* OQS_DIST_BUILD */
#elif defined(OQS_ENABLE_KEM_kyber_512_aarch64)
#if defined(OQS_DIST_BUILD)
if (OQS_CPU_has_extension(OQS_CPU_EXT_ARM_NEON)) {
#endif /* OQS_DIST_BUILD */
return (OQS_STATUS) PQCLEAN_KYBER512_AARCH64_crypto_kem_keypair(public_key, secret_key);
#if defined(OQS_DIST_BUILD)
} else {
return (OQS_STATUS) pqcrystals_kyber512_ref_keypair(public_key, secret_key);
}
#endif /* OQS_DIST_BUILD */
#else
return (OQS_STATUS) pqcrystals_kyber512_ref_keypair(public_key, secret_key);
#endif
}
OQS_API OQS_STATUS OQS_KEM_kyber_512_encaps(uint8_t *ciphertext, uint8_t *shared_secret, const uint8_t *public_key) {
#if defined(OQS_ENABLE_KEM_kyber_512_avx2)
#if defined(OQS_DIST_BUILD)
if (OQS_CPU_has_extension(OQS_CPU_EXT_AVX2) && OQS_CPU_has_extension(OQS_CPU_EXT_BMI2) && OQS_CPU_has_extension(OQS_CPU_EXT_POPCNT)) {
#endif /* OQS_DIST_BUILD */
return (OQS_STATUS) pqcrystals_kyber512_avx2_enc(ciphertext, shared_secret, public_key);
#if defined(OQS_DIST_BUILD)
} else {
return (OQS_STATUS) pqcrystals_kyber512_ref_enc(ciphertext, shared_secret, public_key);
}
#endif /* OQS_DIST_BUILD */
#elif defined(OQS_ENABLE_KEM_kyber_512_aarch64)
#if defined(OQS_DIST_BUILD)
if (OQS_CPU_has_extension(OQS_CPU_EXT_ARM_NEON)) {
#endif /* OQS_DIST_BUILD */
return (OQS_STATUS) PQCLEAN_KYBER512_AARCH64_crypto_kem_enc(ciphertext, shared_secret, public_key);
#if defined(OQS_DIST_BUILD)
} else {
return (OQS_STATUS) pqcrystals_kyber512_ref_enc(ciphertext, shared_secret, public_key);
}
#endif /* OQS_DIST_BUILD */
#else
return (OQS_STATUS) pqcrystals_kyber512_ref_enc(ciphertext, shared_secret, public_key);
#endif
}
OQS_API OQS_STATUS OQS_KEM_kyber_512_decaps(uint8_t *shared_secret, const uint8_t *ciphertext, const uint8_t *secret_key) {
#if defined(OQS_ENABLE_KEM_kyber_512_avx2)
#if defined(OQS_DIST_BUILD)
if (OQS_CPU_has_extension(OQS_CPU_EXT_AVX2) && OQS_CPU_has_extension(OQS_CPU_EXT_BMI2) && OQS_CPU_has_extension(OQS_CPU_EXT_POPCNT)) {
#endif /* OQS_DIST_BUILD */
return (OQS_STATUS) pqcrystals_kyber512_avx2_dec(shared_secret, ciphertext, secret_key);
#if defined(OQS_DIST_BUILD)
} else {
return (OQS_STATUS) pqcrystals_kyber512_ref_dec(shared_secret, ciphertext, secret_key);
}
#endif /* OQS_DIST_BUILD */
#elif defined(OQS_ENABLE_KEM_kyber_512_aarch64)
#if defined(OQS_DIST_BUILD)
if (OQS_CPU_has_extension(OQS_CPU_EXT_ARM_NEON)) {
#endif /* OQS_DIST_BUILD */
return (OQS_STATUS) PQCLEAN_KYBER512_AARCH64_crypto_kem_dec(shared_secret, ciphertext, secret_key);
#if defined(OQS_DIST_BUILD)
} else {
return (OQS_STATUS) pqcrystals_kyber512_ref_dec(shared_secret, ciphertext, secret_key);
}
#endif /* OQS_DIST_BUILD */
#else
return (OQS_STATUS) pqcrystals_kyber512_ref_dec(shared_secret, ciphertext, secret_key);
#endif
}
#endif
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