v2 / vlib / crypto / ecdsa / ecdsa.c.v
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1// Copyright (c) 2019-2024 Alexander Medvednikov. All rights reserved.


2// Use of this source code is governed by an MIT license


3// that can be found in the LICENSE file.


4module ecdsa


5


6// See https://docs.openssl.org/master/man7/openssl_user_macros/#description


7// should be 0x30000000L, but a lot of EC_KEY method was deprecated on version 3.0


8// #define OPENSSL_API_COMPAT 0x10100000L


9


10#flag darwin -L/opt/homebrew/opt/openssl/lib


11#flag darwin -I/opt/homebrew/opt/openssl/include


12#flag darwin -I/usr/local/opt/openssl/include


13#flag darwin -L/usr/local/opt/openssl/lib


14


15#flag linux -I/usr/local/include/openssl


16#flag linux -L/usr/local/lib64/


17


18#flag openbsd -I/usr/local/include/eopenssl35


19#flag openbsd -L/usr/local/lib/eopenssl35 -Wl,-rpath,/usr/local/lib/eopenssl35


20


21// Installed through choco:


22#flag windows -IC:/Program Files/OpenSSL-Win64/include


23#flag windows -LC:/Program Files/OpenSSL-Win64/lib/VC/x64/MD


24


25// Installed on the CI:


26#flag windows -IC:/Program Files/OpenSSL/include


27#flag windows -LC:/Program Files/OpenSSL/lib/VC/x64/MD


28


29#flag -I/usr/include/openssl


30


31#flag -lcrypto


32


33#include <openssl/ecdsa.h>


34#include <openssl/obj_mac.h>


35#include <openssl/bn.h>


36#include <openssl/evp.h>


37#include <openssl/ec.h>


38#include <openssl/x509.h>


39#include <openssl/bio.h>


40#include <openssl/pem.h>


41#include <openssl/param_build.h>


42


43// The following header is available on OpenSSL 3.0, but not in OpenSSL 1.1.1f


44//#include <openssl/core.h>


45


46// NID constants for elliptic curves


47pub const C.NID_X9_62_prime256v1 int


48pub const C.NID_secp384r1 int


49pub const C.NID_secp521r1 int


50pub const C.NID_secp256k1 int


51pub const C.NID_X9_62_id_ecPublicKey int // The new opaque of public key pair high level API


52


53@[typedef]


54struct C.EVP_PKEY {}


55


56fn C.EVP_PKEY_new() &C.EVP_PKEY


57fn C.EVP_PKEY_free(key &C.EVP_PKEY)


58fn C.EVP_PKEY_base_id(key &C.EVP_PKEY) i32


59fn C.EVP_PKEY_bits(pkey &C.EVP_PKEY) i32


60fn C.EVP_PKEY_size(key &C.EVP_PKEY) i32


61fn C.EVP_PKEY_eq(a &C.EVP_PKEY, b &C.EVP_PKEY) i32


62fn C.EVP_PKEY_check(ctx &C.EVP_PKEY_CTX) i32


63fn C.EVP_PKEY_public_check(ctx &C.EVP_PKEY_CTX) i32


64fn C.EVP_PKEY_dup(key &C.EVP_PKEY) &C.EVP_PKEY


65fn C.EVP_PKEY_set_bn_param(pkey &C.EVP_PKEY, key_name &char, bn &C.BIGNUM) i32


66


67fn C.EVP_PKEY_get_group_name(pkey &C.EVP_PKEY, gname &u8, gname_sz u32, gname_len &usize) i32


68fn C.EVP_PKEY_get1_encoded_public_key(pkey &C.EVP_PKEY, ppub &&u8) usize


69fn C.EVP_PKEY_get_bn_param(pkey &C.EVP_PKEY, key_name &char, bn &&C.BIGNUM) i32


70fn C.EVP_PKEY_fromdata_init(ctx &C.EVP_PKEY_CTX) i32


71fn C.EVP_PKEY_fromdata(ctx &C.EVP_PKEY_CTX, ppkey &&C.EVP_PKEY, selection i32, params &C.OSSL_PARAM) i32


72


73// no-prehash signing (verifying)


74fn C.EVP_PKEY_sign(ctx &C.EVP_PKEY_CTX, sig &u8, siglen &usize, tbs &u8, tbslen i32) i32


75fn C.EVP_PKEY_sign_init(ctx &C.EVP_PKEY_CTX) i32


76fn C.EVP_PKEY_verify_init(ctx &C.EVP_PKEY_CTX) i32


77fn C.EVP_PKEY_verify(ctx &C.EVP_PKEY_CTX, sig &u8, siglen i32, tbs &u8, tbslen i32) i32


78


79// single shoot digest signing (verifying) routine


80fn C.EVP_DigestSign(ctx &C.EVP_MD_CTX, sig &u8, siglen &usize, tbs &u8, tbslen i32) i32


81fn C.EVP_DigestVerify(ctx &C.EVP_MD_CTX, sig &u8, siglen i32, tbs &u8, tbslen i32) i32


82


83// Message digest routines


84fn C.EVP_DigestInit(ctx &C.EVP_MD_CTX, md &C.EVP_MD) i32


85fn C.EVP_DigestUpdate(ctx &C.EVP_MD_CTX, d voidptr, cnt i32) i32


86fn C.EVP_DigestFinal(ctx &C.EVP_MD_CTX, md &u8, s &u32) i32


87


88// Recommended hashed signing/verifying routines


89fn C.EVP_DigestSignInit(ctx &C.EVP_MD_CTX, pctx &&C.EVP_PKEY_CTX, tipe &C.EVP_MD, e voidptr, pkey &C.EVP_PKEY) i32


90fn C.EVP_DigestSignUpdate(ctx &C.EVP_MD_CTX, d voidptr, cnt i32) i32


91fn C.EVP_DigestSignFinal(ctx &C.EVP_MD_CTX, sig &u8, siglen &usize) i32


92fn C.EVP_DigestVerifyInit(ctx &C.EVP_MD_CTX, pctx &&C.EVP_PKEY_CTX, tipe &C.EVP_MD, e voidptr, pkey &C.EVP_PKEY) i32


93fn C.EVP_DigestVerifyUpdate(ctx &C.EVP_MD_CTX, d voidptr, cnt i32) i32


94fn C.EVP_DigestVerifyFinal(ctx &C.EVP_MD_CTX, sig &u8, siglen i32) i32


95


96// EVP_PKEY Context


97@[typedef]


98struct C.EVP_PKEY_CTX {}


99


100fn C.EVP_PKEY_CTX_new(pkey &C.EVP_PKEY, e voidptr) &C.EVP_PKEY_CTX


101fn C.EVP_PKEY_CTX_new_id(id i32, e voidptr) &C.EVP_PKEY_CTX


102fn C.EVP_PKEY_keygen_init(ctx &C.EVP_PKEY_CTX) i32


103fn C.EVP_PKEY_keygen(ctx &C.EVP_PKEY_CTX, ppkey &&C.EVP_PKEY) i32


104fn C.EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx &C.EVP_PKEY_CTX, nid i32) i32


105fn C.EVP_PKEY_CTX_set_ec_param_enc(ctx &C.EVP_PKEY_CTX, param_enc i32) i32


106fn C.EVP_PKEY_CTX_free(ctx &C.EVP_PKEY_CTX)


107


108fn C.EVP_PKEY_get_bits(pkey &C.EVP_PKEY) i32


109


110// BIO input output declarations.


111@[typedef]


112struct C.BIO_METHOD {}


113


114@[typedef]


115pub struct C.BIO {}


116


117fn C.BIO_new(t &C.BIO_METHOD) &C.BIO


118fn C.BIO_free_all(a &C.BIO)


119fn C.BIO_s_mem() &C.BIO_METHOD


120fn C.BIO_write(b &C.BIO, buf &u8, length i32) i32


121fn C.PEM_read_bio_PrivateKey(bp &C.BIO, x &&C.EVP_PKEY, cb i32, u &voidptr) &C.EVP_PKEY


122fn C.PEM_read_bio_PUBKEY(bp &C.BIO, x &&C.EVP_PKEY, cb i32, u &voidptr) &C.EVP_PKEY


123fn C.PEM_write_bio_PUBKEY(bp &C.BIO, x &C.EVP_PKEY) i32


124fn C.d2i_PUBKEY(k &&C.EVP_PKEY, pp &&u8, length u32) &C.EVP_PKEY


125fn C.i2d_PUBKEY_bio(bo &C.BIO, pkey &C.EVP_PKEY) i32


126fn C.d2i_PUBKEY_bio(bo &C.BIO, key &&C.EVP_PKEY) &C.EVP_PKEY


127


128// Elliptic curve point related declarations.


129@[typedef]


130struct C.EC_POINT {}


131


132fn C.EC_POINT_new(group &C.EC_GROUP) &C.EC_POINT


133fn C.EC_POINT_mul(group &C.EC_GROUP, r &C.EC_POINT, n &C.BIGNUM, q &C.EC_POINT, m &C.BIGNUM, ctx &C.BN_CTX) i32


134fn C.EC_POINT_point2buf(group &C.EC_GROUP, point &C.EC_POINT, form i32, pbuf &&u8, ctx &C.BN_CTX) usize


135fn C.EC_POINT_free(point &C.EC_POINT)


136


137// Elliptic group (curve) related declarations.


138@[typedef]


139struct C.EC_GROUP {}


140


141fn C.EC_GROUP_free(group &C.EC_GROUP)


142fn C.EC_GROUP_new_by_curve_name(nid i32) &C.EC_GROUP


143


144// Elliptic BIGNUM related declarations.


145@[typedef]


146struct C.BIGNUM {}


147


148fn C.BN_new() &C.BIGNUM


149fn C.BN_num_bits(a &C.BIGNUM) i32


150fn C.BN_bn2bin(a &C.BIGNUM, to &u8) i32


151fn C.BN_bn2binpad(a &C.BIGNUM, to &u8, tolen i32) i32


152fn C.BN_cmp(a &C.BIGNUM, b &C.BIGNUM) i32


153fn C.BN_bin2bn(s &u8, len i32, ret &C.BIGNUM) &C.BIGNUM


154fn C.BN_free(a &C.BIGNUM)


155


156// BIGNUM context


157@[typedef]


158struct C.BN_CTX {}


159


160fn C.BN_CTX_new() &C.BN_CTX


161fn C.BN_CTX_free(ctx &C.BN_CTX)


162


163@[typedef]


164struct C.EVP_MD_CTX {}


165


166fn C.EVP_MD_CTX_new() &C.EVP_MD_CTX


167fn C.EVP_MD_CTX_free(ctx &C.EVP_MD_CTX)


168


169// Wrapper of digest and signing related of the C opaque and functions.


170@[typedef]


171struct C.EVP_MD {}


172


173fn C.EVP_sha256() &C.EVP_MD


174fn C.EVP_sha384() &C.EVP_MD


175fn C.EVP_sha512() &C.EVP_MD


176fn C.EVP_MD_get_size(md &C.EVP_MD) i32 // -1 failure


177


178fn C.OPENSSL_free(addr voidptr)


179


180@[typedef]


181struct C.OSSL_PARAM {}


182


183@[typedef]


184struct C.OSSL_PARAM_BLD {}


185


186fn C.OSSL_PARAM_free(params &C.OSSL_PARAM)


187fn C.OSSL_PARAM_BLD_free(param_bld &C.OSSL_PARAM_BLD)


188fn C.OSSL_PARAM_BLD_new() &C.OSSL_PARAM_BLD


189fn C.OSSL_PARAM_BLD_push_utf8_string(bld &C.OSSL_PARAM_BLD, key &char, buf &char, bsize usize) i32


190fn C.OSSL_PARAM_BLD_push_BN(bld &C.OSSL_PARAM_BLD, key &char, bn &C.BIGNUM) i32


191fn C.OSSL_PARAM_BLD_push_octet_string(bld &C.OSSL_PARAM_BLD, key &char, buf voidptr, bsize usize) i32


192fn C.OSSL_PARAM_BLD_to_param(bld &C.OSSL_PARAM_BLD) &C.OSSL_PARAM


193