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3d328a44 | 1 | /* |
4333b89f | 2 | * Copyright 2017-2021 The OpenSSL Project Authors. All Rights Reserved. |
3d328a44 JL |
3 | * Copyright 2017 Ribose Inc. All Rights Reserved. |
4 | * Ported from Ribose contributions from Botan. | |
5 | * | |
48f4ad77 | 6 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
3d328a44 JL |
7 | * this file except in compliance with the License. You can obtain a copy |
8 | * in the file LICENSE in the source distribution or at | |
9 | * https://www.openssl.org/source/license.html | |
10 | */ | |
11 | ||
ae4186b0 DMSP |
12 | #ifndef OSSL_CRYPTO_SM2_H |
13 | # define OSSL_CRYPTO_SM2_H | |
1bf2cc23 | 14 | # include <openssl/opensslconf.h> |
3d328a44 | 15 | |
1bf2cc23 MC |
16 | # ifndef OPENSSL_NO_SM2 |
17 | ||
18 | # include <openssl/ec.h> | |
5b5eea4b | 19 | # include "crypto/types.h" |
3d328a44 | 20 | |
9e49aff2 NT |
21 | int sm2_key_private_check(const EC_KEY *eckey); |
22 | ||
3d328a44 | 23 | /* The default user id as specified in GM/T 0009-2012 */ |
1bf2cc23 | 24 | # define SM2_DEFAULT_USERID "1234567812345678" |
3d328a44 | 25 | |
4803717f PY |
26 | int sm2_compute_z_digest(uint8_t *out, |
27 | const EVP_MD *digest, | |
28 | const uint8_t *id, | |
29 | const size_t id_len, | |
30 | const EC_KEY *key); | |
00433bad | 31 | |
3d328a44 | 32 | /* |
4803717f | 33 | * SM2 signature operation. Computes Z and then signs H(Z || msg) using SM2 |
3d328a44 | 34 | */ |
2167239a | 35 | ECDSA_SIG *sm2_do_sign(const EC_KEY *key, |
3d328a44 | 36 | const EVP_MD *digest, |
00433bad PY |
37 | const uint8_t *id, |
38 | const size_t id_len, | |
39 | const uint8_t *msg, size_t msg_len); | |
3d328a44 | 40 | |
2167239a | 41 | int sm2_do_verify(const EC_KEY *key, |
3d328a44 JL |
42 | const EVP_MD *digest, |
43 | const ECDSA_SIG *signature, | |
00433bad PY |
44 | const uint8_t *id, |
45 | const size_t id_len, | |
46 | const uint8_t *msg, size_t msg_len); | |
3d328a44 JL |
47 | |
48 | /* | |
ddb634fe | 49 | * SM2 signature generation. |
3d328a44 | 50 | */ |
d0b79f86 PY |
51 | int sm2_internal_sign(const unsigned char *dgst, int dgstlen, |
52 | unsigned char *sig, unsigned int *siglen, EC_KEY *eckey); | |
3d328a44 JL |
53 | |
54 | /* | |
ddb634fe | 55 | * SM2 signature verification. |
3d328a44 | 56 | */ |
d0b79f86 PY |
57 | int sm2_internal_verify(const unsigned char *dgst, int dgstlen, |
58 | const unsigned char *sig, int siglen, EC_KEY *eckey); | |
3d328a44 | 59 | |
3d328a44 JL |
60 | /* |
61 | * SM2 encryption | |
62 | */ | |
2167239a | 63 | int sm2_ciphertext_size(const EC_KEY *key, const EVP_MD *digest, size_t msg_len, |
e14d6cf6 | 64 | size_t *ct_size); |
3d328a44 | 65 | |
2167239a | 66 | int sm2_plaintext_size(const EC_KEY *key, const EVP_MD *digest, size_t msg_len, |
e14d6cf6 | 67 | size_t *pt_size); |
4e664750 | 68 | |
2167239a | 69 | int sm2_encrypt(const EC_KEY *key, |
3d328a44 JL |
70 | const EVP_MD *digest, |
71 | const uint8_t *msg, | |
72 | size_t msg_len, | |
73 | uint8_t *ciphertext_buf, size_t *ciphertext_len); | |
74 | ||
2167239a | 75 | int sm2_decrypt(const EC_KEY *key, |
3d328a44 JL |
76 | const EVP_MD *digest, |
77 | const uint8_t *ciphertext, | |
78 | size_t ciphertext_len, uint8_t *ptext_buf, size_t *ptext_len); | |
79 | ||
d0b79f86 | 80 | const unsigned char *sm2_algorithmidentifier_encoding(int md_nid, size_t *len); |
1bf2cc23 | 81 | # endif /* OPENSSL_NO_SM2 */ |
3d328a44 | 82 | #endif |