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cffi_build.py
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cffi_build.py
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#
# Copyright (c) 2021-2023, Alden Torres
#
# Licensed under the terms of the MIT license.
# Copy of the license at https://opensource.org/licenses/MIT
#
from cffi import FFI
ffibuilder = FFI()
ffibuilder.cdef(
"""
// util
void ecc_randombytes(
unsigned char *buf,
int n
);
void ecc_concat2(
unsigned char *out,
unsigned char *a1,
int a1_len,
unsigned char *a2,
int a2_len
);
void ecc_concat3(
unsigned char *out,
unsigned char *a1,
int a1_len,
unsigned char *a2,
int a2_len,
unsigned char *a3,
int a3_len
);
void ecc_concat4(
unsigned char *out,
unsigned char *a1,
int a1_len,
unsigned char *a2,
int a2_len,
unsigned char *a3,
int a3_len,
unsigned char *a4,
int a4_len
);
void ecc_strxor(
unsigned char *out,
unsigned char *a,
unsigned char *b,
int len
);
void ecc_I2OSP(
unsigned char *out,
int x,
int xLen
);
int ecc_compare(
unsigned char *a,
unsigned char *b,
int len
);
int ecc_is_zero(
unsigned char *n,
int len
);
int ecc_version(
unsigned char *out,
int len
);
// hash
void ecc_hash_sha256(
unsigned char *digest,
unsigned char *input,
int input_len
);
void ecc_hash_sha512(
unsigned char *digest,
unsigned char *input,
int input_len
);
// mac
void ecc_mac_hmac_sha256(
unsigned char *digest,
unsigned char *text,
int text_len,
unsigned char *key,
int key_len
);
void ecc_mac_hmac_sha512(
unsigned char *digest,
unsigned char *text,
int text_len,
unsigned char *key,
int key_len
);
// kdf
void ecc_kdf_hkdf_sha256_extract(
unsigned char *prk,
unsigned char *salt,
int salt_len,
unsigned char *ikm,
int ikm_len
);
void ecc_kdf_hkdf_sha256_expand(
unsigned char *okm,
unsigned char *prk,
unsigned char *info,
int info_len,
int len
);
void ecc_kdf_hkdf_sha512_extract(
unsigned char *prk,
unsigned char *salt,
int salt_len,
unsigned char *ikm,
int ikm_len
);
void ecc_kdf_hkdf_sha512_expand(
unsigned char *okm,
unsigned char *prk,
unsigned char *info,
int info_len,
int len
);
int ecc_kdf_scrypt(
unsigned char *out,
unsigned char *passphrase,
int passphrase_len,
unsigned char *salt,
int salt_len,
int cost,
int block_size,
int parallelization,
int len
);
int ecc_kdf_argon2id(
unsigned char *out,
unsigned char *passphrase,
int passphrase_len,
unsigned char *salt,
int memory_size,
int iterations,
int len
);
// aead
void ecc_aead_chacha20poly1305_encrypt(
unsigned char *ciphertext,
unsigned char *plaintext,
int plaintext_len,
unsigned char *aad,
int aad_len,
unsigned char *nonce,
unsigned char *key
);
int ecc_aead_chacha20poly1305_decrypt(
unsigned char *plaintext,
unsigned char *ciphertext,
int ciphertext_len,
unsigned char *aad,
int aad_len,
unsigned char *nonce,
unsigned char *key
);
// ed25519
int ecc_ed25519_is_valid_point(
unsigned char *p
);
int ecc_ed25519_add(
unsigned char *r,
unsigned char *p,
unsigned char *q
);
int ecc_ed25519_sub(
unsigned char *r,
unsigned char *p,
unsigned char *q
);
void ecc_ed25519_generator(
unsigned char *g
);
void ecc_ed25519_from_uniform(
unsigned char *p,
unsigned char *r
);
void ecc_ed25519_random(
unsigned char *p
);
void ecc_ed25519_scalar_random(
unsigned char *r
);
int ecc_ed25519_scalar_invert(
unsigned char *recip,
unsigned char *s
);
void ecc_ed25519_scalar_negate(
unsigned char *neg,
unsigned char *s
);
void ecc_ed25519_scalar_complement(
unsigned char *comp,
unsigned char *s
);
void ecc_ed25519_scalar_add(
unsigned char *z,
unsigned char *x,
unsigned char *y
);
void ecc_ed25519_scalar_sub(
unsigned char *z,
unsigned char *x,
unsigned char *y
);
void ecc_ed25519_scalar_mul(
unsigned char *z,
unsigned char *x,
unsigned char *y
);
void ecc_ed25519_scalar_reduce(
unsigned char *r,
unsigned char *s
);
int ecc_ed25519_scalarmult(
unsigned char *q,
unsigned char *n,
unsigned char *p
);
int ecc_ed25519_scalarmult_base(
unsigned char *q,
unsigned char *n
);
// ristretto255
int ecc_ristretto255_is_valid_point(
unsigned char *p
);
int ecc_ristretto255_add(
unsigned char *r,
unsigned char *p,
unsigned char *q
);
int ecc_ristretto255_sub(
unsigned char *r,
unsigned char *p,
unsigned char *q
);
void ecc_ristretto255_generator(
unsigned char *g
);
void ecc_ristretto255_from_hash(
unsigned char *p,
unsigned char *r
);
void ecc_ristretto255_random(
unsigned char *p
);
void ecc_ristretto255_scalar_random(
unsigned char *r
);
int ecc_ristretto255_scalar_invert(
unsigned char *recip,
unsigned char *s
);
void ecc_ristretto255_scalar_negate(
unsigned char *neg,
unsigned char *s
);
void ecc_ristretto255_scalar_complement(
unsigned char *comp,
unsigned char *s
);
void ecc_ristretto255_scalar_add(
unsigned char *z,
unsigned char *x,
unsigned char *y
);
void ecc_ristretto255_scalar_sub(
unsigned char *z,
unsigned char *x,
unsigned char *y
);
void ecc_ristretto255_scalar_mul(
unsigned char *z,
unsigned char *x,
unsigned char *y
);
void ecc_ristretto255_scalar_reduce(
unsigned char *r,
unsigned char *s
);
int ecc_ristretto255_scalarmult(
unsigned char *q,
unsigned char *n,
unsigned char *p
);
int ecc_ristretto255_scalarmult_base(
unsigned char *q,
unsigned char *n
);
// bls12_381
void ecc_bls12_381_fp_random(
unsigned char *ret
);
void ecc_bls12_381_fp12_one(
unsigned char *ret
);
int ecc_bls12_381_fp12_is_one(
unsigned char *a
);
void ecc_bls12_381_fp12_inverse(
unsigned char *ret,
unsigned char *a
);
void ecc_bls12_381_fp12_sqr(
unsigned char *ret,
unsigned char *a
);
void ecc_bls12_381_fp12_mul(
unsigned char *ret,
unsigned char *a,
unsigned char *b
);
void ecc_bls12_381_fp12_pow(
unsigned char *ret,
unsigned char *a,
int n
);
void ecc_bls12_381_fp12_random(
unsigned char *ret
);
void ecc_bls12_381_g1_add(
unsigned char *r,
unsigned char *p,
unsigned char *q
);
void ecc_bls12_381_g1_negate(
unsigned char *neg,
unsigned char *p
);
void ecc_bls12_381_g1_generator(
unsigned char *g
);
void ecc_bls12_381_g1_random(
unsigned char *p
);
void ecc_bls12_381_g1_scalarmult(
unsigned char *q,
unsigned char *n,
unsigned char *p
);
void ecc_bls12_381_g1_scalarmult_base(
unsigned char *q,
unsigned char *n
);
void ecc_bls12_381_g2_add(
unsigned char *r,
unsigned char *p,
unsigned char *q
);
void ecc_bls12_381_g2_negate(
unsigned char *neg,
unsigned char *p
);
void ecc_bls12_381_g2_generator(
unsigned char *g
);
void ecc_bls12_381_g2_random(
unsigned char *p
);
void ecc_bls12_381_g2_scalarmult(
unsigned char *q,
unsigned char *n,
unsigned char *p
);
void ecc_bls12_381_g2_scalarmult_base(
unsigned char *q,
unsigned char *n
);
void ecc_bls12_381_scalar_random(
unsigned char *r
);
void ecc_bls12_381_pairing(
unsigned char *ret,
unsigned char *p1_g1,
unsigned char *p2_g2
);
void ecc_bls12_381_pairing_miller_loop(
unsigned char *ret,
unsigned char *p1_g1,
unsigned char *p2_g2
);
void ecc_bls12_381_pairing_final_exp(
unsigned char *ret,
unsigned char *a
);
int ecc_bls12_381_pairing_final_verify(
unsigned char *a,
unsigned char *b
);
// h2c
int ecc_h2c_expand_message_xmd_sha256(
unsigned char *out,
unsigned char *msg,
int msg_len,
unsigned char *dst,
int dst_len,
int len
);
int ecc_h2c_expand_message_xmd_sha512(
unsigned char *out,
unsigned char *msg,
int msg_len,
unsigned char *dst,
int dst_len,
int len
);
// voprf
void ecc_voprf_ristretto255_sha512_GenerateProofWithScalar(
unsigned char *proof,
unsigned char *k,
unsigned char *A,
unsigned char *B,
unsigned char *C,
unsigned char *D,
int m,
int mode,
unsigned char *r
);
void ecc_voprf_ristretto255_sha512_GenerateProof(
unsigned char *proof,
unsigned char *k,
unsigned char *A,
unsigned char *B,
unsigned char *C,
unsigned char *D,
int m,
int mode
);
void ecc_voprf_ristretto255_sha512_ComputeCompositesFast(
unsigned char *M,
unsigned char *Z,
unsigned char *k,
unsigned char *B,
unsigned char *C,
unsigned char *D,
int m,
int mode
);
int ecc_voprf_ristretto255_sha512_VerifyProof(
unsigned char *A,
unsigned char *B,
unsigned char *C,
unsigned char *D,
int m,
int mode,
unsigned char *proof
);
void ecc_voprf_ristretto255_sha512_ComputeComposites(
unsigned char *M,
unsigned char *Z,
unsigned char *B,
unsigned char *C,
unsigned char *D,
int m,
int mode
);
void ecc_voprf_ristretto255_sha512_GenerateKeyPair(
unsigned char *skS,
unsigned char *pkS
);
int ecc_voprf_ristretto255_sha512_DeriveKeyPair(
unsigned char *skS,
unsigned char *pkS,
unsigned char *seed,
unsigned char *info,
int infoLen,
int mode
);
int ecc_voprf_ristretto255_sha512_BlindWithScalar(
unsigned char *blindedElement,
unsigned char *input,
int inputLen,
unsigned char *blind,
int mode
);
int ecc_voprf_ristretto255_sha512_Blind(
unsigned char *blind,
unsigned char *blindedElement,
unsigned char *input,
int inputLen,
int mode
);
void ecc_voprf_ristretto255_sha512_BlindEvaluate(
unsigned char *evaluatedElement,
unsigned char *skS,
unsigned char *blindedElement
);
void ecc_voprf_ristretto255_sha512_Finalize(
unsigned char *output,
unsigned char *input,
int inputLen,
unsigned char *blind,
unsigned char *evaluatedElement
);
int ecc_voprf_ristretto255_sha512_Evaluate(
unsigned char *output,
unsigned char *skS,
unsigned char *input,
int inputLen,
int mode
);
void ecc_voprf_ristretto255_sha512_VerifiableBlindEvaluateWithScalar(
unsigned char *evaluatedElement,
unsigned char *proof,
unsigned char *skS,
unsigned char *pkS,
unsigned char *blindedElement,
unsigned char *r
);
void ecc_voprf_ristretto255_sha512_VerifiableBlindEvaluate(
unsigned char *evaluatedElement,
unsigned char *proof,
unsigned char *skS,
unsigned char *pkS,
unsigned char *blindedElement
);
int ecc_voprf_ristretto255_sha512_VerifiableFinalize(
unsigned char *output,
unsigned char *input,
int inputLen,
unsigned char *blind,
unsigned char *evaluatedElement,
unsigned char *blindedElement,
unsigned char *pkS,
unsigned char *proof
);
int ecc_voprf_ristretto255_sha512_PartiallyBlindWithScalar(
unsigned char *blindedElement,
unsigned char *tweakedKey,
unsigned char *input,
int inputLen,
unsigned char *info,
int infoLen,
unsigned char *pkS,
unsigned char *blind
);
int ecc_voprf_ristretto255_sha512_PartiallyBlind(
unsigned char *blind,
unsigned char *blindedElement,
unsigned char *tweakedKey,
unsigned char *input,
int inputLen,
unsigned char *info,
int infoLen,
unsigned char *pkS
);
int ecc_voprf_ristretto255_sha512_PartiallyBlindEvaluateWithScalar(
unsigned char *evaluatedElement,
unsigned char *proof,
unsigned char *skS,
unsigned char *blindedElement,
unsigned char *info,
int infoLen,
unsigned char *r
);
int ecc_voprf_ristretto255_sha512_PartiallyBlindEvaluate(
unsigned char *evaluatedElement,
unsigned char *proof,
unsigned char *skS,
unsigned char *blindedElement,
unsigned char *info,
int infoLen
);
int ecc_voprf_ristretto255_sha512_PartiallyFinalize(
unsigned char *output,
unsigned char *input,
int inputLen,
unsigned char *blind,
unsigned char *evaluatedElement,
unsigned char *blindedElement,
unsigned char *proof,
unsigned char *info,
int infoLen,
unsigned char *tweakedKey
);
int ecc_voprf_ristretto255_sha512_PartiallyEvaluate(
unsigned char *output,
unsigned char *skS,
unsigned char *input,
int inputLen,
unsigned char *info,
int infoLen
);
void ecc_voprf_ristretto255_sha512_HashToGroupWithDST(
unsigned char *out,
unsigned char *input,
int inputLen,
unsigned char *dst,
int dstLen
);
void ecc_voprf_ristretto255_sha512_HashToGroup(
unsigned char *out,
unsigned char *input,
int inputLen,
int mode
);
void ecc_voprf_ristretto255_sha512_HashToScalarWithDST(
unsigned char *out,
unsigned char *input,
int inputLen,
unsigned char *dst,
int dstLen
);
void ecc_voprf_ristretto255_sha512_HashToScalar(
unsigned char *out,
unsigned char *input,
int inputLen,
int mode
);
// opaque
void ecc_opaque_ristretto255_sha512_DeriveKeyPair(
unsigned char *private_key,
unsigned char *public_key,
unsigned char *seed
);
void ecc_opaque_ristretto255_sha512_CreateCleartextCredentials(
unsigned char *cleartext_credentials,
unsigned char *server_public_key,
unsigned char *client_public_key,
unsigned char *server_identity,
int server_identity_len,
unsigned char *client_identity,
int client_identity_len
);
void ecc_opaque_ristretto255_sha512_EnvelopeStoreWithNonce(
unsigned char *envelope,
unsigned char *client_public_key,
unsigned char *masking_key,
unsigned char *export_key,
unsigned char *randomized_password,
unsigned char *server_public_key,
unsigned char *server_identity,
int server_identity_len,
unsigned char *client_identity,
int client_identity_len,
unsigned char *nonce
);
void ecc_opaque_ristretto255_sha512_EnvelopeStore(
unsigned char *envelope,
unsigned char *client_public_key,
unsigned char *masking_key,
unsigned char *export_key,
unsigned char *randomized_password,
unsigned char *server_public_key,
unsigned char *server_identity,
int server_identity_len,
unsigned char *client_identity,
int client_identity_len
);
int ecc_opaque_ristretto255_sha512_EnvelopeRecover(
unsigned char *client_private_key,
unsigned char *export_key,
unsigned char *randomized_password,
unsigned char *server_public_key,
unsigned char *envelope_raw,
unsigned char *server_identity,
int server_identity_len,
unsigned char *client_identity,
int client_identity_len
);
void ecc_opaque_ristretto255_sha512_RecoverPublicKey(
unsigned char *public_key,
unsigned char *private_key
);
void ecc_opaque_ristretto255_sha512_GenerateAuthKeyPairWithSeed(
unsigned char *private_key,
unsigned char *public_key,
unsigned char *seed
);
void ecc_opaque_ristretto255_sha512_GenerateAuthKeyPair(
unsigned char *private_key,
unsigned char *public_key
);
void ecc_opaque_ristretto255_sha512_DeriveDiffieHellmanKeyPair(
unsigned char *private_key,
unsigned char *public_key,
unsigned char *seed
);
void ecc_opaque_ristretto255_sha512_CreateRegistrationRequestWithBlind(
unsigned char *request,
unsigned char *password,
int password_len,
unsigned char *blind
);
void ecc_opaque_ristretto255_sha512_CreateRegistrationRequest(
unsigned char *request,
unsigned char *blind,
unsigned char *password,
int password_len
);
void ecc_opaque_ristretto255_sha512_CreateRegistrationResponse(
unsigned char *response,
unsigned char *request,
unsigned char *server_public_key,
unsigned char *credential_identifier,
int credential_identifier_len,
unsigned char *oprf_seed
);
void ecc_opaque_ristretto255_sha512_FinalizeRegistrationRequestWithNonce(
unsigned char *record,
unsigned char *export_key,
unsigned char *password,
int password_len,
unsigned char *blind,
unsigned char *response,
unsigned char *server_identity,
int server_identity_len,
unsigned char *client_identity,
int client_identity_len,
int mhf,
unsigned char *mhf_salt,
int mhf_salt_len,
unsigned char *nonce
);
void ecc_opaque_ristretto255_sha512_FinalizeRegistrationRequest(
unsigned char *record,
unsigned char *export_key,
unsigned char *password,
int password_len,
unsigned char *blind,
unsigned char *response,
unsigned char *server_identity,
int server_identity_len,
unsigned char *client_identity,
int client_identity_len,
int mhf,
unsigned char *mhf_salt,
int mhf_salt_len
);
void ecc_opaque_ristretto255_sha512_CreateCredentialRequestWithBlind(
unsigned char *request,
unsigned char *password,
int password_len,
unsigned char *blind
);
void ecc_opaque_ristretto255_sha512_CreateCredentialRequest(
unsigned char *request,
unsigned char *blind,
unsigned char *password,
int password_len
);
void ecc_opaque_ristretto255_sha512_CreateCredentialResponseWithMasking(
unsigned char *response_raw,
unsigned char *request_raw,
unsigned char *server_public_key,
unsigned char *record_raw,
unsigned char *credential_identifier,
int credential_identifier_len,
unsigned char *oprf_seed,
unsigned char *masking_nonce
);
void ecc_opaque_ristretto255_sha512_CreateCredentialResponse(
unsigned char *response_raw,
unsigned char *request_raw,
unsigned char *server_public_key,
unsigned char *record_raw,
unsigned char *credential_identifier,
int credential_identifier_len,
unsigned char *oprf_seed
);
int ecc_opaque_ristretto255_sha512_RecoverCredentials(
unsigned char *client_private_key,
unsigned char *server_public_key,
unsigned char *export_key,
unsigned char *password,
int password_len,
unsigned char *blind,
unsigned char *response,
unsigned char *server_identity,
int server_identity_len,
unsigned char *client_identity,
int client_identity_len,
int mhf,
unsigned char *mhf_salt,
int mhf_salt_len
);
void ecc_opaque_ristretto255_sha512_3DH_Expand_Label(
unsigned char *out,
unsigned char *secret,
unsigned char *label,
int label_len,
unsigned char *context,
int context_len,
int length
);
void ecc_opaque_ristretto255_sha512_3DH_Derive_Secret(
unsigned char *out,
unsigned char *secret,
unsigned char *label,
int label_len,
unsigned char *transcript_hash,
int transcript_hash_len
);
int ecc_opaque_ristretto255_sha512_3DH_Preamble(
unsigned char *preamble,
int preamble_len,
unsigned char *context,
int context_len,
unsigned char *client_identity,
int client_identity_len,
unsigned char *client_public_key,
unsigned char *ke1,
unsigned char *server_identity,
int server_identity_len,
unsigned char *server_public_key,
unsigned char *ke2
);
void ecc_opaque_ristretto255_sha512_3DH_TripleDHIKM(
unsigned char *ikm,
unsigned char *sk1,
unsigned char *pk1,
unsigned char *sk2,
unsigned char *pk2,
unsigned char *sk3,
unsigned char *pk3
);
void ecc_opaque_ristretto255_sha512_3DH_DeriveKeys(
unsigned char *km2,
unsigned char *km3,
unsigned char *session_key,
unsigned char *ikm,
int ikm_len,
unsigned char *preamble,
int preamble_len
);
void ecc_opaque_ristretto255_sha512_GenerateKE1WithSeed(
unsigned char *ke1,
unsigned char *state,
unsigned char *password,
int password_len,
unsigned char *blind,
unsigned char *client_nonce,
unsigned char *seed
);
void ecc_opaque_ristretto255_sha512_GenerateKE1(
unsigned char *ke1,
unsigned char *state,
unsigned char *password,
int password_len
);
int ecc_opaque_ristretto255_sha512_GenerateKE3(
unsigned char *ke3_raw,
unsigned char *session_key,
unsigned char *export_key,
unsigned char *state,
unsigned char *client_identity,
int client_identity_len,
unsigned char *server_identity,
int server_identity_len,
unsigned char *ke2,