S2N_BIGNUM_STATIC
extern void mlkem_basemul_k3(int16_t r[S2N_BIGNUM_STATIC 256],const int16_t a[S2N_BIGNUM_STATIC 768],const int16_t b[S2N_BIGNUM_STATIC 768],const int16_t bt[S2N_BIGNUM_STATIC 384]);
extern void mlkem_basemul_k4(int16_t r[S2N_BIGNUM_STATIC 256],const int16_t a[S2N_BIGNUM_STATIC 1024],const int16_t b[S2N_BIGNUM_STATIC 1024],const int16_t bt[S2N_BIGNUM_STATIC 512]);
extern void mlkem_intt(int16_t a[S2N_BIGNUM_STATIC 256],const int16_t z_01234[S2N_BIGNUM_STATIC 80],const int16_t z_56[S2N_BIGNUM_STATIC 384]);
extern void mlkem_mulcache_compute(int16_t x[S2N_BIGNUM_STATIC 128],const int16_t a[S2N_BIGNUM_STATIC 256],const int16_t z[S2N_BIGNUM_STATIC 128],const int16_t t[S2N_BIGNUM_STATIC 128]);
extern void mlkem_ntt(int16_t a[S2N_BIGNUM_STATIC 256],const int16_t z_01234[S2N_BIGNUM_STATIC 80],const int16_t z_56[S2N_BIGNUM_STATIC 384]);
extern void mlkem_reduce(int16_t a[S2N_BIGNUM_STATIC 256]);
extern void mlkem_tobytes(uint8_t r[S2N_BIGNUM_STATIC 384],const int16_t a[S2N_BIGNUM_STATIC 256]);
extern void mlkem_tomont(int16_t a[S2N_BIGNUM_STATIC 256]);
extern uint64_t mlkem_rej_uniform_VARIABLE_TIME(int16_t r[S2N_BIGNUM_STATIC 256],const uint8_t *buf,uint64_t buflen,const uint8_t *table);
extern void p256_montjadd(uint64_t p3[S2N_BIGNUM_STATIC 12],const uint64_t p1[S2N_BIGNUM_STATIC 12],const uint64_t p2[S2N_BIGNUM_STATIC 12]);
extern void p256_montjadd_alt(uint64_t p3[S2N_BIGNUM_STATIC 12],const uint64_t p1[S2N_BIGNUM_STATIC 12],const uint64_t p2[S2N_BIGNUM_STATIC 12]);
extern void p256_montjdouble(uint64_t p3[S2N_BIGNUM_STATIC 12],const uint64_t p1[S2N_BIGNUM_STATIC 12]);
extern void p256_montjdouble_alt(uint64_t p3[S2N_BIGNUM_STATIC 12],const uint64_t p1[S2N_BIGNUM_STATIC 12]);
extern void p256_montjmixadd(uint64_t p3[S2N_BIGNUM_STATIC 12],const uint64_t p1[S2N_BIGNUM_STATIC 12],const uint64_t p2[S2N_BIGNUM_STATIC 8]);
extern void p256_montjmixadd_alt(uint64_t p3[S2N_BIGNUM_STATIC 12],const uint64_t p1[S2N_BIGNUM_STATIC 12],const uint64_t p2[S2N_BIGNUM_STATIC 8]);
extern void p256_montjscalarmul(uint64_t res[S2N_BIGNUM_STATIC 12],const uint64_t scalar[S2N_BIGNUM_STATIC 4],const uint64_t point[S2N_BIGNUM_STATIC 12]);
extern void p256_montjscalarmul_alt(uint64_t res[S2N_BIGNUM_STATIC 12],const uint64_t scalar[S2N_BIGNUM_STATIC 4],const uint64_t point[S2N_BIGNUM_STATIC 12]);
extern void p256_scalarmul(uint64_t res[S2N_BIGNUM_STATIC 8],const uint64_t scalar[S2N_BIGNUM_STATIC 4],const uint64_t point[S2N_BIGNUM_STATIC 8]);
extern void p256_scalarmul_alt(uint64_t res[S2N_BIGNUM_STATIC 8],const uint64_t scalar[S2N_BIGNUM_STATIC 4],const uint64_t point[S2N_BIGNUM_STATIC 8]);
extern void p256_scalarmulbase(uint64_t res[S2N_BIGNUM_STATIC 8],const uint64_t scalar[S2N_BIGNUM_STATIC 4],uint64_t blocksize,const uint64_t *table);
extern void p256_scalarmulbase_alt(uint64_t res[S2N_BIGNUM_STATIC 8],const uint64_t scalar[S2N_BIGNUM_STATIC 4],uint64_t blocksize,const uint64_t *table);
extern void p384_montjadd(uint64_t p3[S2N_BIGNUM_STATIC 18],const uint64_t p1[S2N_BIGNUM_STATIC 18],const uint64_t p2[S2N_BIGNUM_STATIC 18]);
extern void p384_montjadd_alt(uint64_t p3[S2N_BIGNUM_STATIC 18],const uint64_t p1[S2N_BIGNUM_STATIC 18],const uint64_t p2[S2N_BIGNUM_STATIC 18]);
extern void p384_montjdouble(uint64_t p3[S2N_BIGNUM_STATIC 18],const uint64_t p1[S2N_BIGNUM_STATIC 18]);
extern void p384_montjdouble_alt(uint64_t p3[S2N_BIGNUM_STATIC 18],const uint64_t p1[S2N_BIGNUM_STATIC 18]);
extern void p384_montjmixadd(uint64_t p3[S2N_BIGNUM_STATIC 18],const uint64_t p1[S2N_BIGNUM_STATIC 18],const uint64_t p2[S2N_BIGNUM_STATIC 12]);
extern void p384_montjmixadd_alt(uint64_t p3[S2N_BIGNUM_STATIC 18],const uint64_t p1[S2N_BIGNUM_STATIC 18],const uint64_t p2[S2N_BIGNUM_STATIC 12]);
extern void p384_montjscalarmul(uint64_t res[S2N_BIGNUM_STATIC 18],const uint64_t scalar[S2N_BIGNUM_STATIC 6],const uint64_t point[S2N_BIGNUM_STATIC 18]);
extern void p384_montjscalarmul_alt(uint64_t res[S2N_BIGNUM_STATIC 18],const uint64_t scalar[S2N_BIGNUM_STATIC 6],const uint64_t point[S2N_BIGNUM_STATIC 18]);
extern void p521_jadd(uint64_t p3[S2N_BIGNUM_STATIC 27],const uint64_t p1[S2N_BIGNUM_STATIC 27],const uint64_t p2[S2N_BIGNUM_STATIC 27]);
extern void p521_jadd_alt(uint64_t p3[S2N_BIGNUM_STATIC 27],const uint64_t p1[S2N_BIGNUM_STATIC 27],const uint64_t p2[S2N_BIGNUM_STATIC 27]);
extern void p521_jdouble(uint64_t p3[S2N_BIGNUM_STATIC 27],const uint64_t p1[S2N_BIGNUM_STATIC 27]);
extern void p521_jdouble_alt(uint64_t p3[S2N_BIGNUM_STATIC 27],const uint64_t p1[S2N_BIGNUM_STATIC 27]);
extern void p521_jmixadd(uint64_t p3[S2N_BIGNUM_STATIC 27],const uint64_t p1[S2N_BIGNUM_STATIC 27],const uint64_t p2[S2N_BIGNUM_STATIC 18]);
extern void p521_jmixadd_alt(uint64_t p3[S2N_BIGNUM_STATIC 27],const uint64_t p1[S2N_BIGNUM_STATIC 27],const uint64_t p2[S2N_BIGNUM_STATIC 18]);
extern void p521_jscalarmul(uint64_t res[S2N_BIGNUM_STATIC 27],const uint64_t scalar[S2N_BIGNUM_STATIC 9],const uint64_t point[S2N_BIGNUM_STATIC 27]);
extern void p521_jscalarmul_alt(uint64_t res[S2N_BIGNUM_STATIC 27],const uint64_t scalar[S2N_BIGNUM_STATIC 9],const uint64_t point[S2N_BIGNUM_STATIC 27]);
extern void secp256k1_jadd(uint64_t p3[S2N_BIGNUM_STATIC 12],const uint64_t p1[S2N_BIGNUM_STATIC 12],const uint64_t p2[S2N_BIGNUM_STATIC 12]);
extern void secp256k1_jadd_alt(uint64_t p3[S2N_BIGNUM_STATIC 12],const uint64_t p1[S2N_BIGNUM_STATIC 12],const uint64_t p2[S2N_BIGNUM_STATIC 12]);
extern void secp256k1_jdouble(uint64_t p3[S2N_BIGNUM_STATIC 12],const uint64_t p1[S2N_BIGNUM_STATIC 12]);
extern void secp256k1_jdouble_alt(uint64_t p3[S2N_BIGNUM_STATIC 12],const uint64_t p1[S2N_BIGNUM_STATIC 12]);
extern void secp256k1_jmixadd(uint64_t p3[S2N_BIGNUM_STATIC 12],const uint64_t p1[S2N_BIGNUM_STATIC 12],const uint64_t p2[S2N_BIGNUM_STATIC 8]);
extern void secp256k1_jmixadd_alt(uint64_t p3[S2N_BIGNUM_STATIC 12],const uint64_t p1[S2N_BIGNUM_STATIC 12],const uint64_t p2[S2N_BIGNUM_STATIC 8]);
extern void sha3_keccak_f1600(uint64_t a[S2N_BIGNUM_STATIC 25],const uint64_t rc[S2N_BIGNUM_STATIC 24]);
extern void sha3_keccak_f1600_alt(uint64_t a[S2N_BIGNUM_STATIC 25],const uint64_t rc[S2N_BIGNUM_STATIC 24]);
extern void sha3_keccak2_f1600(uint64_t a[S2N_BIGNUM_STATIC 50],const uint64_t rc[S2N_BIGNUM_STATIC 24]);
extern void sha3_keccak2_f1600_alt(uint64_t a[S2N_BIGNUM_STATIC 50],const uint64_t rc[S2N_BIGNUM_STATIC 24]);
extern void sha3_keccak4_f1600(uint64_t a[S2N_BIGNUM_STATIC 100],const uint64_t rc[S2N_BIGNUM_STATIC 24]);
extern void sha3_keccak4_f1600_alt(uint64_t a[S2N_BIGNUM_STATIC 100],const uint64_t rc[S2N_BIGNUM_STATIC 24]);
extern void sha3_keccak4_f1600_alt2(uint64_t a[S2N_BIGNUM_STATIC 100],const uint64_t rc[S2N_BIGNUM_STATIC 24]);
extern void sm2_montjadd(uint64_t p3[S2N_BIGNUM_STATIC 12],const uint64_t p1[S2N_BIGNUM_STATIC 12],const uint64_t p2[S2N_BIGNUM_STATIC 12]);
extern void sm2_montjadd_alt(uint64_t p3[S2N_BIGNUM_STATIC 12],const uint64_t p1[S2N_BIGNUM_STATIC 12],const uint64_t p2[S2N_BIGNUM_STATIC 12]);
extern void sm2_montjdouble(uint64_t p3[S2N_BIGNUM_STATIC 12],const uint64_t p1[S2N_BIGNUM_STATIC 12]);
extern void sm2_montjdouble_alt(uint64_t p3[S2N_BIGNUM_STATIC 12],const uint64_t p1[S2N_BIGNUM_STATIC 12]);
extern void sm2_montjmixadd(uint64_t p3[S2N_BIGNUM_STATIC 12],const uint64_t p1[S2N_BIGNUM_STATIC 12],const uint64_t p2[S2N_BIGNUM_STATIC 8]);
extern void sm2_montjmixadd_alt(uint64_t p3[S2N_BIGNUM_STATIC 12],const uint64_t p1[S2N_BIGNUM_STATIC 12],const uint64_t p2[S2N_BIGNUM_STATIC 8]);
extern void sm2_montjscalarmul(uint64_t res[S2N_BIGNUM_STATIC 12],const uint64_t scalar[S2N_BIGNUM_STATIC 4],const uint64_t point[S2N_BIGNUM_STATIC 12]);
extern void sm2_montjscalarmul_alt(uint64_t res[S2N_BIGNUM_STATIC 12],const uint64_t scalar[S2N_BIGNUM_STATIC 4],const uint64_t point[S2N_BIGNUM_STATIC 12]);
extern void bignum_cmul_p25519 (uint64_t z[S2N_BIGNUM_STATIC 4], uint64_t c, const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_cmul_p25519_alt (uint64_t z[S2N_BIGNUM_STATIC 4], uint64_t c, const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_cmul_p256 (uint64_t z[S2N_BIGNUM_STATIC 4], uint64_t c, const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_cmul_p256_alt (uint64_t z[S2N_BIGNUM_STATIC 4], uint64_t c, const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_cmul_p256k1 (uint64_t z[S2N_BIGNUM_STATIC 4], uint64_t c, const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_cmul_p256k1_alt (uint64_t z[S2N_BIGNUM_STATIC 4], uint64_t c, const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_cmul_p384 (uint64_t z[S2N_BIGNUM_STATIC 6], uint64_t c, const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_cmul_p384_alt (uint64_t z[S2N_BIGNUM_STATIC 6], uint64_t c, const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_cmul_p521 (uint64_t z[S2N_BIGNUM_STATIC 9], uint64_t c, const uint64_t x[S2N_BIGNUM_STATIC 9]);
extern void bignum_cmul_p521_alt (uint64_t z[S2N_BIGNUM_STATIC 9], uint64_t c, const uint64_t x[S2N_BIGNUM_STATIC 9]);
extern void bignum_cmul_sm2 (uint64_t z[S2N_BIGNUM_STATIC 4], uint64_t c, const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_cmul_sm2_alt (uint64_t z[S2N_BIGNUM_STATIC 4], uint64_t c, const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_deamont_p256 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_deamont_p256_alt (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_deamont_p256k1 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_deamont_p384 (uint64_t z[S2N_BIGNUM_STATIC 6], const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_deamont_p384_alt (uint64_t z[S2N_BIGNUM_STATIC 6], const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_deamont_p521 (uint64_t z[S2N_BIGNUM_STATIC 9], const uint64_t x[S2N_BIGNUM_STATIC 9]);
extern void bignum_deamont_sm2 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_demont_p256 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_demont_p256_alt (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_demont_p256k1 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_demont_p384 (uint64_t z[S2N_BIGNUM_STATIC 6], const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_demont_p384_alt (uint64_t z[S2N_BIGNUM_STATIC 6], const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_demont_p521 (uint64_t z[S2N_BIGNUM_STATIC 9], const uint64_t x[S2N_BIGNUM_STATIC 9]);
extern void bignum_demont_sm2 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_double_p25519 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_double_p256 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_double_p256k1 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_double_p384 (uint64_t z[S2N_BIGNUM_STATIC 6], const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_double_p521 (uint64_t z[S2N_BIGNUM_STATIC 9], const uint64_t x[S2N_BIGNUM_STATIC 9]);
extern void bignum_double_sm2 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_frombebytes_4 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint8_t x[S2N_BIGNUM_STATIC 32]);
extern void bignum_frombebytes_6 (uint64_t z[S2N_BIGNUM_STATIC 6], const uint8_t x[S2N_BIGNUM_STATIC 48]);
extern void bignum_fromlebytes_4 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint8_t x[S2N_BIGNUM_STATIC 32]);
extern void bignum_fromlebytes_6 (uint64_t z[S2N_BIGNUM_STATIC 6], const uint8_t x[S2N_BIGNUM_STATIC 48]);
extern void bignum_fromlebytes_p521 (uint64_t z[S2N_BIGNUM_STATIC 9],const uint8_t x[S2N_BIGNUM_STATIC 66]);
extern void bignum_half_p256 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_half_p256k1 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_half_p384 (uint64_t z[S2N_BIGNUM_STATIC 6], const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_half_p521 (uint64_t z[S2N_BIGNUM_STATIC 9], const uint64_t x[S2N_BIGNUM_STATIC 9]);
extern void bignum_half_sm2 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_inv_p25519(uint64_t z[S2N_BIGNUM_STATIC 4],const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_inv_p256(uint64_t z[S2N_BIGNUM_STATIC 4],const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_inv_p384(uint64_t z[S2N_BIGNUM_STATIC 6],const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_inv_p521(uint64_t z[S2N_BIGNUM_STATIC 9],const uint64_t x[S2N_BIGNUM_STATIC 9]);
extern void bignum_inv_sm2(uint64_t z[S2N_BIGNUM_STATIC 4],const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern int64_t bignum_invsqrt_p25519(uint64_t z[S2N_BIGNUM_STATIC 4],const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern int64_t bignum_invsqrt_p25519_alt(uint64_t z[S2N_BIGNUM_STATIC 4],const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_kmul_16_32 (uint64_t z[S2N_BIGNUM_STATIC 32], const uint64_t x[S2N_BIGNUM_STATIC 16], const uint64_t y[S2N_BIGNUM_STATIC 16], uint64_t t[S2N_BIGNUM_STATIC 32]);
extern void bignum_kmul_32_64 (uint64_t z[S2N_BIGNUM_STATIC 64], const uint64_t x[S2N_BIGNUM_STATIC 32], const uint64_t y[S2N_BIGNUM_STATIC 32], uint64_t t[S2N_BIGNUM_STATIC 96]);
extern void bignum_ksqr_16_32 (uint64_t z[S2N_BIGNUM_STATIC 32], const uint64_t x[S2N_BIGNUM_STATIC 16], uint64_t t[S2N_BIGNUM_STATIC 24]);
extern void bignum_ksqr_32_64 (uint64_t z[S2N_BIGNUM_STATIC 64], const uint64_t x[S2N_BIGNUM_STATIC 32], uint64_t t[S2N_BIGNUM_STATIC 72]);
extern void bignum_littleendian_4 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_littleendian_6 (uint64_t z[S2N_BIGNUM_STATIC 6], const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_madd_n25519 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4], const uint64_t c[S2N_BIGNUM_STATIC 4]);
extern void bignum_madd_n25519_alt (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4], const uint64_t c[S2N_BIGNUM_STATIC 4]);
extern void bignum_mod_m25519_4 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_mod_n25519 (uint64_t z[S2N_BIGNUM_STATIC 4], uint64_t k, const uint64_t *x);
extern void bignum_mod_n25519_4 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_mod_n256 (uint64_t z[S2N_BIGNUM_STATIC 4], uint64_t k, const uint64_t *x);
extern void bignum_mod_n256_alt (uint64_t z[S2N_BIGNUM_STATIC 4], uint64_t k, const uint64_t *x);
extern void bignum_mod_n256_4 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_mod_n256k1_4 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_mod_n384 (uint64_t z[S2N_BIGNUM_STATIC 6], uint64_t k, const uint64_t *x);
extern void bignum_mod_n384_alt (uint64_t z[S2N_BIGNUM_STATIC 6], uint64_t k, const uint64_t *x);
extern void bignum_mod_n384_6 (uint64_t z[S2N_BIGNUM_STATIC 6], const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_mod_n521_9 (uint64_t z[S2N_BIGNUM_STATIC 9], const uint64_t x[S2N_BIGNUM_STATIC 9]);
extern void bignum_mod_n521_9_alt (uint64_t z[S2N_BIGNUM_STATIC 9], const uint64_t x[S2N_BIGNUM_STATIC 9]);
extern void bignum_mod_nsm2 (uint64_t z[S2N_BIGNUM_STATIC 4], uint64_t k, const uint64_t *x);
extern void bignum_mod_nsm2_alt (uint64_t z[S2N_BIGNUM_STATIC 4], uint64_t k, const uint64_t *x);
extern void bignum_mod_nsm2_4 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_mod_p25519_4 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_mod_p256 (uint64_t z[S2N_BIGNUM_STATIC 4], uint64_t k, const uint64_t *x);
extern void bignum_mod_p256_alt (uint64_t z[S2N_BIGNUM_STATIC 4], uint64_t k, const uint64_t *x);
extern void bignum_mod_p256_4 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_mod_p256k1_4 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_mod_p384 (uint64_t z[S2N_BIGNUM_STATIC 6], uint64_t k, const uint64_t *x);
extern void bignum_mod_p384_alt (uint64_t z[S2N_BIGNUM_STATIC 6], uint64_t k, const uint64_t *x);
extern void bignum_mod_p384_6 (uint64_t z[S2N_BIGNUM_STATIC 6], const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_mod_p521_9 (uint64_t z[S2N_BIGNUM_STATIC 9], const uint64_t x[S2N_BIGNUM_STATIC 9]);
extern void bignum_add_p25519 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4]);
extern void bignum_mod_sm2 (uint64_t z[S2N_BIGNUM_STATIC 4], uint64_t k, const uint64_t *x);
extern void bignum_mod_sm2_4 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_add_p256 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4]);
extern void bignum_montinv_p256(uint64_t z[S2N_BIGNUM_STATIC 4],const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_montinv_p384(uint64_t z[S2N_BIGNUM_STATIC 6],const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_montinv_sm2(uint64_t z[S2N_BIGNUM_STATIC 4],const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_montmul_p256 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4]);
extern void bignum_montmul_p256_alt (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4]);
extern void bignum_montmul_p256k1 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4]);
extern void bignum_montmul_p256k1_alt (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4]);
extern void bignum_montmul_p384 (uint64_t z[S2N_BIGNUM_STATIC 6], const uint64_t x[S2N_BIGNUM_STATIC 6], const uint64_t y[S2N_BIGNUM_STATIC 6]);
extern void bignum_montmul_p384_alt (uint64_t z[S2N_BIGNUM_STATIC 6], const uint64_t x[S2N_BIGNUM_STATIC 6], const uint64_t y[S2N_BIGNUM_STATIC 6]);
extern void bignum_montmul_p521 (uint64_t z[S2N_BIGNUM_STATIC 9], const uint64_t x[S2N_BIGNUM_STATIC 9], const uint64_t y[S2N_BIGNUM_STATIC 9]);
extern void bignum_montmul_p521_alt (uint64_t z[S2N_BIGNUM_STATIC 9], const uint64_t x[S2N_BIGNUM_STATIC 9], const uint64_t y[S2N_BIGNUM_STATIC 9]);
extern void bignum_montmul_sm2 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4]);
extern void bignum_montmul_sm2_alt (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4]);
extern void bignum_add_p256k1 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4]);
extern void bignum_montsqr_p256 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_montsqr_p256_alt (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_montsqr_p256k1 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_montsqr_p256k1_alt (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_montsqr_p384 (uint64_t z[S2N_BIGNUM_STATIC 6], const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_montsqr_p384_alt (uint64_t z[S2N_BIGNUM_STATIC 6], const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_montsqr_p521 (uint64_t z[S2N_BIGNUM_STATIC 9], const uint64_t x[S2N_BIGNUM_STATIC 9]);
extern void bignum_montsqr_p521_alt (uint64_t z[S2N_BIGNUM_STATIC 9], const uint64_t x[S2N_BIGNUM_STATIC 9]);
extern void bignum_montsqr_sm2 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_montsqr_sm2_alt (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_mul_4_8 (uint64_t z[S2N_BIGNUM_STATIC 8], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4]);
extern void bignum_mul_4_8_alt (uint64_t z[S2N_BIGNUM_STATIC 8], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4]);
extern void bignum_add_p384 (uint64_t z[S2N_BIGNUM_STATIC 6], const uint64_t x[S2N_BIGNUM_STATIC 6], const uint64_t y[S2N_BIGNUM_STATIC 6]);
extern void bignum_mul_6_12 (uint64_t z[S2N_BIGNUM_STATIC 12], const uint64_t x[S2N_BIGNUM_STATIC 6], const uint64_t y[S2N_BIGNUM_STATIC 6]);
extern void bignum_mul_6_12_alt (uint64_t z[S2N_BIGNUM_STATIC 12], const uint64_t x[S2N_BIGNUM_STATIC 6], const uint64_t y[S2N_BIGNUM_STATIC 6]);
extern void bignum_mul_8_16 (uint64_t z[S2N_BIGNUM_STATIC 16], const uint64_t x[S2N_BIGNUM_STATIC 8], const uint64_t y[S2N_BIGNUM_STATIC 8]);
extern void bignum_mul_8_16_alt (uint64_t z[S2N_BIGNUM_STATIC 16], const uint64_t x[S2N_BIGNUM_STATIC 8], const uint64_t y[S2N_BIGNUM_STATIC 8]);
extern void bignum_mul_p25519 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4]);
extern void bignum_mul_p25519_alt (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4]);
extern void bignum_mul_p256k1 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4]);
extern void bignum_mul_p256k1_alt (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4]);
extern void bignum_mul_p521 (uint64_t z[S2N_BIGNUM_STATIC 9], const uint64_t x[S2N_BIGNUM_STATIC 9], const uint64_t y[S2N_BIGNUM_STATIC 9]);
extern void bignum_mul_p521_alt (uint64_t z[S2N_BIGNUM_STATIC 9], const uint64_t x[S2N_BIGNUM_STATIC 9], const uint64_t y[S2N_BIGNUM_STATIC 9]);
extern void bignum_mux_4 (uint64_t p, uint64_t z[S2N_BIGNUM_STATIC 4],const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4]);
extern void bignum_add_p521 (uint64_t z[S2N_BIGNUM_STATIC 9], const uint64_t x[S2N_BIGNUM_STATIC 9], const uint64_t y[S2N_BIGNUM_STATIC 9]);
extern void bignum_mux_6 (uint64_t p, uint64_t z[S2N_BIGNUM_STATIC 6],const uint64_t x[S2N_BIGNUM_STATIC 6], const uint64_t y[S2N_BIGNUM_STATIC 6]);
extern void bignum_neg_p25519 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_neg_p256 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_neg_p256k1 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_neg_p384 (uint64_t z[S2N_BIGNUM_STATIC 6], const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_neg_p521 (uint64_t z[S2N_BIGNUM_STATIC 9], const uint64_t x[S2N_BIGNUM_STATIC 9]);
extern void bignum_neg_sm2 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_add_sm2 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4]);
extern uint64_t bignum_nonzero_4(const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern uint64_t bignum_nonzero_6(const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_optneg_p25519 (uint64_t z[S2N_BIGNUM_STATIC 4], uint64_t p, const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_optneg_p256 (uint64_t z[S2N_BIGNUM_STATIC 4], uint64_t p, const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_optneg_p256k1 (uint64_t z[S2N_BIGNUM_STATIC 4], uint64_t p, const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_optneg_p384 (uint64_t z[S2N_BIGNUM_STATIC 6], uint64_t p, const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_optneg_p521 (uint64_t z[S2N_BIGNUM_STATIC 9], uint64_t p, const uint64_t x[S2N_BIGNUM_STATIC 9]);
extern void bignum_optneg_sm2 (uint64_t z[S2N_BIGNUM_STATIC 4], uint64_t p, const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_sqr_4_8 (uint64_t z[S2N_BIGNUM_STATIC 8], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_sqr_4_8_alt (uint64_t z[S2N_BIGNUM_STATIC 8], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_sqr_6_12 (uint64_t z[S2N_BIGNUM_STATIC 12], const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_sqr_6_12_alt (uint64_t z[S2N_BIGNUM_STATIC 12], const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_sqr_8_16 (uint64_t z[S2N_BIGNUM_STATIC 16], const uint64_t x[S2N_BIGNUM_STATIC 8]);
extern void bignum_sqr_8_16_alt (uint64_t z[S2N_BIGNUM_STATIC 16], const uint64_t x[S2N_BIGNUM_STATIC 8]);
extern void bignum_sqr_p25519 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_sqr_p25519_alt (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_sqr_p256k1 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_sqr_p256k1_alt (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_sqr_p521 (uint64_t z[S2N_BIGNUM_STATIC 9], const uint64_t x[S2N_BIGNUM_STATIC 9]);
extern void bignum_sqr_p521_alt (uint64_t z[S2N_BIGNUM_STATIC 9], const uint64_t x[S2N_BIGNUM_STATIC 9]);
extern int64_t bignum_sqrt_p25519(uint64_t z[S2N_BIGNUM_STATIC 4],const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern int64_t bignum_sqrt_p25519_alt(uint64_t z[S2N_BIGNUM_STATIC 4],const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_sub_p25519 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4]);
extern void bignum_sub_p256 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4]);
extern void bignum_sub_p256k1 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4]);
extern void bignum_sub_p384 (uint64_t z[S2N_BIGNUM_STATIC 6], const uint64_t x[S2N_BIGNUM_STATIC 6], const uint64_t y[S2N_BIGNUM_STATIC 6]);
extern void bignum_sub_p521 (uint64_t z[S2N_BIGNUM_STATIC 9], const uint64_t x[S2N_BIGNUM_STATIC 9], const uint64_t y[S2N_BIGNUM_STATIC 9]);
extern void bignum_sub_sm2 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4], const uint64_t y[S2N_BIGNUM_STATIC 4]);
extern void bignum_tobebytes_4 (uint8_t z[S2N_BIGNUM_STATIC 32], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_tobebytes_6 (uint8_t z[S2N_BIGNUM_STATIC 48], const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_tolebytes_4 (uint8_t z[S2N_BIGNUM_STATIC 32], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_tolebytes_6 (uint8_t z[S2N_BIGNUM_STATIC 48], const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_tolebytes_p521 (uint8_t z[S2N_BIGNUM_STATIC 66], const uint64_t x[S2N_BIGNUM_STATIC 9]);
extern void bignum_tomont_p256 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_tomont_p256_alt (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_tomont_p256k1 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_tomont_p256k1_alt (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_tomont_p384 (uint64_t z[S2N_BIGNUM_STATIC 6], const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_tomont_p384_alt (uint64_t z[S2N_BIGNUM_STATIC 6], const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_tomont_p521 (uint64_t z[S2N_BIGNUM_STATIC 9], const uint64_t x[S2N_BIGNUM_STATIC 9]);
extern void bignum_tomont_sm2 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_triple_p256 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_triple_p256_alt (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_triple_p256k1 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_triple_p256k1_alt (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_triple_p384 (uint64_t z[S2N_BIGNUM_STATIC 6], const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_triple_p384_alt (uint64_t z[S2N_BIGNUM_STATIC 6], const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void bignum_triple_p521 (uint64_t z[S2N_BIGNUM_STATIC 9], const uint64_t x[S2N_BIGNUM_STATIC 9]);
extern void bignum_triple_p521_alt (uint64_t z[S2N_BIGNUM_STATIC 9], const uint64_t x[S2N_BIGNUM_STATIC 9]);
extern void bignum_bigendian_4 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_triple_sm2 (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void bignum_triple_sm2_alt (uint64_t z[S2N_BIGNUM_STATIC 4], const uint64_t x[S2N_BIGNUM_STATIC 4]);
extern void curve25519_pxscalarmul(uint64_t res[S2N_BIGNUM_STATIC 8],const uint64_t scalar[S2N_BIGNUM_STATIC 4],const uint64_t point[S2N_BIGNUM_STATIC 4]);
extern void curve25519_pxscalarmul_alt(uint64_t res[S2N_BIGNUM_STATIC 8],const uint64_t scalar[S2N_BIGNUM_STATIC 4],const uint64_t point[S2N_BIGNUM_STATIC 4]);
extern void curve25519_x25519(uint64_t res[S2N_BIGNUM_STATIC 4],const uint64_t scalar[S2N_BIGNUM_STATIC 4],const uint64_t point[S2N_BIGNUM_STATIC 4]);
extern void curve25519_x25519_alt(uint64_t res[S2N_BIGNUM_STATIC 4],const uint64_t scalar[S2N_BIGNUM_STATIC 4],const uint64_t point[S2N_BIGNUM_STATIC 4]);
extern void curve25519_x25519_byte(uint8_t res[S2N_BIGNUM_STATIC 32],const uint8_t scalar[S2N_BIGNUM_STATIC 32],const uint8_t point[S2N_BIGNUM_STATIC 32]);
extern void curve25519_x25519_byte_alt(uint8_t res[S2N_BIGNUM_STATIC 32],const uint8_t scalar[S2N_BIGNUM_STATIC 32],const uint8_t point[S2N_BIGNUM_STATIC 32]);
extern void curve25519_x25519base(uint64_t res[S2N_BIGNUM_STATIC 4],const uint64_t scalar[S2N_BIGNUM_STATIC 4]);
extern void curve25519_x25519base_alt(uint64_t res[S2N_BIGNUM_STATIC 4],const uint64_t scalar[S2N_BIGNUM_STATIC 4]);
extern void curve25519_x25519base_byte(uint8_t res[S2N_BIGNUM_STATIC 32],const uint8_t scalar[S2N_BIGNUM_STATIC 32]);
extern void curve25519_x25519base_byte_alt(uint8_t res[S2N_BIGNUM_STATIC 32],const uint8_t scalar[S2N_BIGNUM_STATIC 32]);
extern uint64_t edwards25519_decode(uint64_t z[S2N_BIGNUM_STATIC 8], const uint8_t c[S2N_BIGNUM_STATIC 32]);
extern uint64_t edwards25519_decode_alt(uint64_t z[S2N_BIGNUM_STATIC 8], const uint8_t c[S2N_BIGNUM_STATIC 32]);
extern void bignum_bigendian_6 (uint64_t z[S2N_BIGNUM_STATIC 6], const uint64_t x[S2N_BIGNUM_STATIC 6]);
extern void edwards25519_encode(uint8_t z[S2N_BIGNUM_STATIC 32], const uint64_t p[S2N_BIGNUM_STATIC 8]);
extern void edwards25519_epadd(uint64_t p3[S2N_BIGNUM_STATIC 16],const uint64_t p1[S2N_BIGNUM_STATIC 16],const uint64_t p2[S2N_BIGNUM_STATIC 16]);
extern void edwards25519_epadd_alt(uint64_t p3[S2N_BIGNUM_STATIC 16],const uint64_t p1[S2N_BIGNUM_STATIC 16],const uint64_t p2[S2N_BIGNUM_STATIC 16]);
extern void edwards25519_epdouble(uint64_t p3[S2N_BIGNUM_STATIC 16],const uint64_t p1[S2N_BIGNUM_STATIC 12]);
extern void edwards25519_epdouble_alt(uint64_t p3[S2N_BIGNUM_STATIC 16],const uint64_t p1[S2N_BIGNUM_STATIC 12]);
extern void edwards25519_pdouble(uint64_t p3[S2N_BIGNUM_STATIC 12],const uint64_t p1[S2N_BIGNUM_STATIC 12]);
extern void edwards25519_pdouble_alt(uint64_t p3[S2N_BIGNUM_STATIC 12],const uint64_t p1[S2N_BIGNUM_STATIC 12]);
extern void edwards25519_pepadd(uint64_t p3[S2N_BIGNUM_STATIC 16],const uint64_t p1[S2N_BIGNUM_STATIC 16],const uint64_t p2[S2N_BIGNUM_STATIC 12]);
extern void edwards25519_pepadd_alt(uint64_t p3[S2N_BIGNUM_STATIC 16],const uint64_t p1[S2N_BIGNUM_STATIC 16],const uint64_t p2[S2N_BIGNUM_STATIC 12]);
extern void edwards25519_scalarmulbase(uint64_t res[S2N_BIGNUM_STATIC 8],const uint64_t scalar[S2N_BIGNUM_STATIC 4]);
extern void edwards25519_scalarmulbase_alt(uint64_t res[S2N_BIGNUM_STATIC 8],const uint64_t scalar[S2N_BIGNUM_STATIC 4]);
extern void edwards25519_scalarmuldouble(uint64_t res[S2N_BIGNUM_STATIC 8],const uint64_t scalar[S2N_BIGNUM_STATIC 4], const uint64_t point[S2N_BIGNUM_STATIC 8],const uint64_t bscalar[S2N_BIGNUM_STATIC 4]);
extern void edwards25519_scalarmuldouble_alt(uint64_t res[S2N_BIGNUM_STATIC 8],const uint64_t scalar[S2N_BIGNUM_STATIC 4], const uint64_t point[S2N_BIGNUM_STATIC 8],const uint64_t bscalar[S2N_BIGNUM_STATIC 4]);
extern void mlkem_basemul_k2(int16_t r[S2N_BIGNUM_STATIC 256],const int16_t a[S2N_BIGNUM_STATIC 512],const int16_t b[S2N_BIGNUM_STATIC 512],const int16_t bt[S2N_BIGNUM_STATIC 256]);