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3d328a44 | 1 | /* |
eec0ad10 | 2 | * Copyright 2017-2020 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> | |
3d328a44 | 19 | |
9e49aff2 NT |
20 | int sm2_key_private_check(const EC_KEY *eckey); |
21 | ||
3d328a44 | 22 | /* The default user id as specified in GM/T 0009-2012 */ |
1bf2cc23 | 23 | # define SM2_DEFAULT_USERID "1234567812345678" |
3d328a44 | 24 | |
4803717f PY |
25 | int sm2_compute_z_digest(uint8_t *out, |
26 | const EVP_MD *digest, | |
27 | const uint8_t *id, | |
28 | const size_t id_len, | |
29 | const EC_KEY *key); | |
00433bad | 30 | |
3d328a44 | 31 | /* |
4803717f | 32 | * SM2 signature operation. Computes Z and then signs H(Z || msg) using SM2 |
3d328a44 | 33 | */ |
2167239a | 34 | ECDSA_SIG *sm2_do_sign(const EC_KEY *key, |
3d328a44 | 35 | const EVP_MD *digest, |
00433bad PY |
36 | const uint8_t *id, |
37 | const size_t id_len, | |
38 | const uint8_t *msg, size_t msg_len); | |
3d328a44 | 39 | |
2167239a | 40 | int sm2_do_verify(const EC_KEY *key, |
3d328a44 JL |
41 | const EVP_MD *digest, |
42 | const ECDSA_SIG *signature, | |
00433bad PY |
43 | const uint8_t *id, |
44 | const size_t id_len, | |
45 | const uint8_t *msg, size_t msg_len); | |
3d328a44 JL |
46 | |
47 | /* | |
ddb634fe | 48 | * SM2 signature generation. |
3d328a44 | 49 | */ |
d0b79f86 PY |
50 | int sm2_internal_sign(const unsigned char *dgst, int dgstlen, |
51 | unsigned char *sig, unsigned int *siglen, EC_KEY *eckey); | |
3d328a44 JL |
52 | |
53 | /* | |
ddb634fe | 54 | * SM2 signature verification. |
3d328a44 | 55 | */ |
d0b79f86 PY |
56 | int sm2_internal_verify(const unsigned char *dgst, int dgstlen, |
57 | const unsigned char *sig, int siglen, EC_KEY *eckey); | |
3d328a44 | 58 | |
3d328a44 JL |
59 | /* |
60 | * SM2 encryption | |
61 | */ | |
2167239a | 62 | int sm2_ciphertext_size(const EC_KEY *key, const EVP_MD *digest, size_t msg_len, |
e14d6cf6 | 63 | size_t *ct_size); |
3d328a44 | 64 | |
2167239a | 65 | int sm2_plaintext_size(const EC_KEY *key, const EVP_MD *digest, size_t msg_len, |
e14d6cf6 | 66 | size_t *pt_size); |
4e664750 | 67 | |
2167239a | 68 | int sm2_encrypt(const EC_KEY *key, |
3d328a44 JL |
69 | const EVP_MD *digest, |
70 | const uint8_t *msg, | |
71 | size_t msg_len, | |
72 | uint8_t *ciphertext_buf, size_t *ciphertext_len); | |
73 | ||
2167239a | 74 | int sm2_decrypt(const EC_KEY *key, |
3d328a44 JL |
75 | const EVP_MD *digest, |
76 | const uint8_t *ciphertext, | |
77 | size_t ciphertext_len, uint8_t *ptext_buf, size_t *ptext_len); | |
78 | ||
d0b79f86 | 79 | const unsigned char *sm2_algorithmidentifier_encoding(int md_nid, size_t *len); |
1bf2cc23 | 80 | # endif /* OPENSSL_NO_SM2 */ |
3d328a44 | 81 | #endif |