/* * Copyright 2014-2022 The GmSSL Project. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the License); you may * not use this file except in compliance with the License. * * http://www.apache.org/licenses/LICENSE-2.0 */ #include #include #include #include #include #include #ifndef GMSSL_SM9_H #define GMSSL_SM9_H #ifdef __cplusplus extern "C" { #endif /* SM9 Public API SM9_SIGNATURE_SIZE SM9_MAX_PLAINTEXT_SIZE SM9_MAX_CIPHERTEXT_SIZE SM9_SIGN_MASTER_KEY sm9_sign_master_key_generate sm9_sign_master_key_extract_key sm9_sign_master_key_info_encrypt_to_der sm9_sign_master_key_info_decrypt_from_der sm9_sign_master_key_info_encrypt_to_pem sm9_sign_master_key_info_decrypt_from_pem sm9_sign_master_public_key_to_der sm9_sign_master_public_key_from_der sm9_sign_master_public_key_to_pem sm9_sign_master_public_key_from_pem SM9_SIGN_KEY sm9_sign_key_info_encrypt_to_der sm9_sign_key_info_decrypt_from_der sm9_sign_key_info_encrypt_to_pem sm9_sign_key_info_decrypt_from_pem SM9_SIGN_CTX sm9_sign_init sm9_sign_update sm9_sign_finish sm9_verify_init sm9_verify_update sm9_verify_finish SM9_ENC_MASTER_KEY sm9_enc_master_key_generate sm9_enc_master_key_extract_key sm9_enc_master_key_info_encrypt_to_der sm9_enc_master_key_info_decrypt_from_der sm9_enc_master_key_info_encrypt_to_pem sm9_enc_master_key_info_decrypt_from_pem sm9_enc_master_public_key_to_der sm9_enc_master_public_key_from_der sm9_enc_master_public_key_to_pem sm9_enc_master_public_key_from_pem SM9_ENC_KEY sm9_enc_key_info_encrypt_to_der sm9_enc_key_info_decrypt_from_der sm9_enc_key_info_encrypt_to_pem sm9_enc_key_info_decrypt_from_pem sm9_encrypt sm9_decrypt */ #define SM9_HEX_SEP '\n' typedef uint64_t sm9_bn_t[8]; #define sm9_bn_init(r) sm9_bn_set_zero(r) #define sm9_bn_clean(r) sm9_bn_set_zero(r) void sm9_bn_set_zero(sm9_bn_t r); void sm9_bn_set_one(sm9_bn_t r); int sm9_bn_is_zero(const sm9_bn_t a); int sm9_bn_is_one(const sm9_bn_t a); void sm9_bn_set_word(sm9_bn_t r, uint32_t a); void sm9_bn_copy(sm9_bn_t r, const sm9_bn_t a); int sm9_bn_rand_range(sm9_bn_t r, const sm9_bn_t range); int sm9_bn_equ(const sm9_bn_t a, const sm9_bn_t b); int sm9_bn_cmp(const sm9_bn_t a, const sm9_bn_t b); void sm9_bn_add(sm9_bn_t r, const sm9_bn_t a, const sm9_bn_t b); void sm9_bn_sub(sm9_bn_t ret, const sm9_bn_t a, const sm9_bn_t b); void sm9_bn_to_bits(const sm9_bn_t a, char bits[256]); void sm9_bn_to_bytes(const sm9_bn_t a, uint8_t out[32]); void sm9_bn_from_bytes(sm9_bn_t r, const uint8_t in[32]); void sm9_bn_to_hex(const sm9_bn_t a, char hex[64]); int sm9_bn_from_hex(sm9_bn_t r, const char hex[64]); int sm9_bn_print(FILE *fp, int fmt, int ind, const char *label, const sm9_bn_t a); void sm9_print_bn(const char *prefix, const sm9_bn_t a); // 标准打印格式 typedef sm9_bn_t sm9_fp_t; #define sm9_fp_init(r) sm9_fp_set_zero(r) #define sm9_fp_clean(f) sm9_fp_set_zero(r) #define sm9_fp_set_zero(r) sm9_bn_set_zero(r) #define sm9_fp_set_one(r) sm9_bn_set_one(r) #define sm9_fp_copy(r,a) sm9_bn_copy((r),(a)) #define sm9_fp_rand(r) sm9_bn_rand_range((r), SM9_P) #define sm9_fp_is_zero(a) sm9_bn_is_zero(a) #define sm9_fp_is_one(a) sm9_bn_is_one(a) #define sm9_fp_equ(a,b) sm9_bn_equ((a),(b)) #define sm9_fp_to_bytes(a,buf) sm9_bn_to_bytes((a),(buf)) #define sm9_fp_to_hex(a,s) sm9_bn_to_hex((a),(s)) #define sm9_fp_print(fp,fmt,ind,label,a) sm9_bn_print(fp,fmt,ind,label,a) void sm9_fp_add(sm9_fp_t r, const sm9_fp_t a, const sm9_fp_t b); void sm9_fp_sub(sm9_fp_t r, const sm9_fp_t a, const sm9_fp_t b); void sm9_fp_dbl(sm9_fp_t r, const sm9_fp_t a); void sm9_fp_tri(sm9_fp_t r, const sm9_fp_t a); void sm9_fp_neg(sm9_fp_t r, const sm9_fp_t a); void sm9_fp_mul(sm9_fp_t r, const sm9_fp_t a, const sm9_fp_t b); void sm9_fp_sqr(sm9_fp_t r, const sm9_fp_t a); void sm9_fp_pow(sm9_fp_t r, const sm9_fp_t a, const sm9_bn_t e); void sm9_fp_inv(sm9_fp_t r, const sm9_fp_t a); void sm9_fp_div2(sm9_fp_t r, const sm9_fp_t a); int sm9_fp_from_bytes(sm9_fp_t r, const uint8_t buf[32]); int sm9_fp_from_hex(sm9_fp_t r, const char hex[64]); typedef sm9_bn_t sm9_fn_t; #define sm9_fn_init(r) sm9_fn_set_zero(r) #define sm9_fn_clean(f) sm9_fn_set_zero(r) #define sm9_fn_set_zero(r) sm9_bn_set_zero(r) #define sm9_fn_set_one(r) sm9_bn_set_one(r) #define sm9_fn_copy(r,a) sm9_bn_copy((r),(a)) #define sm9_fn_rand(r) sm9_bn_rand_range((r), SM9_N) #define sm9_fn_is_zero(a) sm9_bn_is_zero(a) #define sm9_fn_is_one(a) sm9_bn_is_one(a) #define sm9_fn_equ(a,b) sm9_bn_equ((a),(b)) #define sm9_fn_to_bytes(a,out) sm9_bn_to_bytes((a),(out)) #define sm9_fn_to_hex(a,s) sm9_bn_to_hex((a),(s)) #define sm9_fn_print(fp,fmt,ind,label,a) sm9_bn_print(fp,fmt,ind,label,a) void sm9_fn_add(sm9_fn_t r, const sm9_fn_t a, const sm9_fn_t b); void sm9_fn_sub(sm9_fn_t r, const sm9_fn_t a, const sm9_fn_t b); void sm9_fn_mul(sm9_fn_t r, const sm9_fn_t a, const sm9_fn_t b); void sm9_fn_pow(sm9_fn_t r, const sm9_fn_t a, const sm9_bn_t e); void sm9_fn_inv(sm9_fn_t r, const sm9_fn_t a); void sm9_fn_from_hash(sm9_fn_t h, const uint8_t Ha[40]); int sm9_fn_from_bytes(sm9_fn_t a, const uint8_t in[32]); int sm9_fn_from_hex(sm9_fn_t r, const char hex[64]); typedef uint64_t sm9_barrett_bn_t[9]; int sm9_barrett_bn_cmp(const sm9_barrett_bn_t a, const sm9_barrett_bn_t b); void sm9_barrett_bn_add(sm9_barrett_bn_t r, const sm9_barrett_bn_t a, const sm9_barrett_bn_t b); void sm9_barrett_bn_sub(sm9_barrett_bn_t ret, const sm9_barrett_bn_t a, const sm9_barrett_bn_t b); typedef sm9_fp_t sm9_fp2_t[2]; extern const sm9_fp2_t SM9_FP2_ZERO; extern const sm9_fp2_t SM9_FP2_ONE; extern const sm9_fp2_t SM9_FP2_U; #define sm9_fp2_init(a) sm9_fp2_set_zero(a) #define sm9_fp2_clean(a) sm9_fp2_set_zero(a) #define sm9_fp2_set_zero(a) sm9_fp2_copy((a), SM9_FP2_ZERO) #define sm9_fp2_set_one(a) sm9_fp2_copy((a), SM9_FP2_ONE) #define sm9_fp2_set_u(a) sm9_fp2_copy((a), SM9_FP2_U) #define sm9_fp2_is_zero(a) sm9_fp2_equ((a), SM9_FP2_ZERO) #define sm9_fp2_is_one(a) sm9_fp2_equ((a), SM9_FP2_ONE) void sm9_fp2_set_fp(sm9_fp2_t r, const sm9_fp_t a); void sm9_fp2_set(sm9_fp2_t r, const sm9_fp_t a0, const sm9_fp_t a1); void sm9_fp2_copy(sm9_fp2_t r, const sm9_fp2_t a); int sm9_fp2_rand(sm9_fp2_t r); int sm9_fp2_equ(const sm9_fp2_t a, const sm9_fp2_t b); void sm9_fp2_add(sm9_fp2_t r, const sm9_fp2_t a, const sm9_fp2_t b); void sm9_fp2_dbl(sm9_fp2_t r, const sm9_fp2_t a); void sm9_fp2_tri(sm9_fp2_t r, const sm9_fp2_t a); void sm9_fp2_sub(sm9_fp2_t r, const sm9_fp2_t a, const sm9_fp2_t b); void sm9_fp2_neg(sm9_fp2_t r, const sm9_fp2_t a); void sm9_fp2_mul(sm9_fp2_t r, const sm9_fp2_t a, const sm9_fp2_t b); void sm9_fp2_mul_u(sm9_fp2_t r, const sm9_fp2_t a, const sm9_fp2_t b); void sm9_fp2_mul_fp(sm9_fp2_t r, const sm9_fp2_t a, const sm9_fp_t k); void sm9_fp2_sqr(sm9_fp2_t r, const sm9_fp2_t a); void sm9_fp2_sqr_u(sm9_fp2_t r, const sm9_fp2_t a); void sm9_fp2_inv(sm9_fp2_t r, const sm9_fp2_t a); void sm9_fp2_div(sm9_fp2_t r, const sm9_fp2_t a, const sm9_fp2_t b); void sm9_fp2_div2(sm9_fp2_t r, const sm9_fp2_t a); void sm9_fp2_to_hex(const sm9_fp2_t a, char hex[129]); int sm9_fp2_from_hex(sm9_fp2_t r, const char hex[129]); int sm9_fp2_print(FILE *fp, int fmt, int ind, const char *label, const sm9_fp2_t a); typedef sm9_fp2_t sm9_fp4_t[2]; extern const sm9_fp4_t SM9_FP4_ZERO; extern const sm9_fp4_t SM9_FP4_ONE; extern const sm9_fp4_t SM9_FP4_U; extern const sm9_fp4_t SM9_FP4_V; #define sm9_fp4_init(a) sm9_fp4_set_zero(a) #define sm9_fp4_clean(a) sm9_fp4_set_zero(a) #define sm9_fp4_set_zero(a) sm9_fp4_copy((a), SM9_FP4_ZERO) #define sm9_fp4_set_one(a) sm9_fp4_copy((a), SM9_FP4_ONE) #define sm9_fp4_is_zero(a) sm9_fp4_equ((a), SM9_FP4_ZERO) #define sm9_fp4_is_one(a) sm9_fp4_equ((a), SM9_FP4_ONE) void sm9_fp4_set_u(sm9_fp4_t r); void sm9_fp4_set_v(sm9_fp4_t r); void sm9_fp4_set_fp(sm9_fp4_t r, const sm9_fp_t a); void sm9_fp4_set_fp2(sm9_fp4_t r, const sm9_fp2_t a); void sm9_fp4_set(sm9_fp4_t r, const sm9_fp2_t a0, const sm9_fp2_t a1); void sm9_fp4_copy(sm9_fp4_t r, const sm9_fp4_t a); int sm9_fp4_rand(sm9_fp4_t r); int sm9_fp4_equ(const sm9_fp4_t a, const sm9_fp4_t b); void sm9_fp4_add(sm9_fp4_t r, const sm9_fp4_t a, const sm9_fp4_t b); void sm9_fp4_dbl(sm9_fp4_t r, const sm9_fp4_t a); void sm9_fp4_sub(sm9_fp4_t r, const sm9_fp4_t a, const sm9_fp4_t b); void sm9_fp4_neg(sm9_fp4_t r, const sm9_fp4_t a); void sm9_fp4_mul(sm9_fp4_t r, const sm9_fp4_t a, const sm9_fp4_t b); void sm9_fp4_mul_fp(sm9_fp4_t r, const sm9_fp4_t a, const sm9_fp_t k); void sm9_fp4_mul_fp2(sm9_fp4_t r, const sm9_fp4_t a, const sm9_fp2_t b0); void sm9_fp4_mul_v(sm9_fp4_t r, const sm9_fp4_t a, const sm9_fp4_t b); void sm9_fp4_sqr(sm9_fp4_t r, const sm9_fp4_t a); void sm9_fp4_sqr_v(sm9_fp4_t r, const sm9_fp4_t a); void sm9_fp4_inv(sm9_fp4_t r, const sm9_fp4_t a); void sm9_fp4_to_bytes(const sm9_fp4_t a, uint8_t buf[128]); int sm9_fp4_from_bytes(sm9_fp4_t r, const uint8_t buf[128]); void sm9_fp4_to_hex(const sm9_fp4_t a, char hex[259]); int sm9_fp4_from_hex(sm9_fp4_t r, const char hex[259]); typedef sm9_fp4_t sm9_fp12_t[3]; #define sm9_fp12_init(r) sm9_fp12_set_zero(a) #define sm9_fp12_clean(r) sm9_fp12_set_zero(a) void sm9_fp12_set_zero(sm9_fp12_t r); void sm9_fp12_set_one(sm9_fp12_t r); void sm9_fp12_set_u(sm9_fp12_t r); void sm9_fp12_set_v(sm9_fp12_t r); void sm9_fp12_set_w(sm9_fp12_t r); void sm9_fp12_set_w_sqr(sm9_fp12_t r); void sm9_fp12_set_fp(sm9_fp12_t r, const sm9_fp_t a); void sm9_fp12_set_fp2(sm9_fp12_t r, const sm9_fp2_t a); void sm9_fp12_set_fp4(sm9_fp12_t r, const sm9_fp4_t a); void sm9_fp12_set(sm9_fp12_t r, const sm9_fp4_t a0, const sm9_fp4_t a1, const sm9_fp4_t a2); void sm9_fp12_copy(sm9_fp12_t r, const sm9_fp12_t a); int sm9_fp12_rand(sm9_fp12_t r); int sm9_fp12_is_one(const sm9_fp12_t a); int sm9_fp12_is_zero(const sm9_fp12_t a); int sm9_fp12_equ(const sm9_fp12_t a, const sm9_fp12_t b); void sm9_fp12_add(sm9_fp12_t r, const sm9_fp12_t a, const sm9_fp12_t b); void sm9_fp12_dbl(sm9_fp12_t r, const sm9_fp12_t a); void sm9_fp12_tri(sm9_fp12_t r, const sm9_fp12_t a); void sm9_fp12_sub(sm9_fp12_t r, const sm9_fp12_t a, const sm9_fp12_t b); void sm9_fp12_neg(sm9_fp12_t r, const sm9_fp12_t a); void sm9_fp12_mul(sm9_fp12_t r, const sm9_fp12_t a, const sm9_fp12_t b); void sm9_fp12_sqr(sm9_fp12_t r, const sm9_fp12_t a); void sm9_fp12_inv(sm9_fp12_t r, const sm9_fp12_t a); void sm9_fp12_pow(sm9_fp12_t r, const sm9_fp12_t a, const sm9_bn_t k); void sm9_fp12_to_bytes(const sm9_fp12_t a, uint8_t buf[32 * 12]); int sm9_fp12_from_bytes(sm9_fp12_t r, const uint8_t in[32 * 12]); void sm9_fp12_to_hex(const sm9_fp12_t a, char hex[65 * 12]); int sm9_fp12_from_hex(sm9_fp12_t r, const char hex[65 * 12]); // 这个明显是不对的 void sm9_fp12_print(const char *prefix, const sm9_fp12_t a); void sm9_fp2_conjugate(sm9_fp2_t r, const sm9_fp2_t a); void sm9_fp2_frobenius(sm9_fp2_t r, const sm9_fp2_t a); void sm9_fp4_frobenius(sm9_fp4_t r, const sm9_fp4_t a); void sm9_fp4_conjugate(sm9_fp4_t r, const sm9_fp4_t a); void sm9_fp4_frobenius2(sm9_fp4_t r, const sm9_fp4_t a); void sm9_fp4_frobenius3(sm9_fp4_t r, const sm9_fp4_t a); void sm9_fp12_frobenius(sm9_fp12_t r, const sm9_fp12_t x); void sm9_fp12_frobenius2(sm9_fp12_t r, const sm9_fp12_t x); void sm9_fp12_frobenius3(sm9_fp12_t r, const sm9_fp12_t x); void sm9_fp12_frobenius6(sm9_fp12_t r, const sm9_fp12_t x); typedef struct { sm9_fp_t X; sm9_fp_t Y; sm9_fp_t Z; } SM9_POINT; #define sm9_point_init(R) sm9_point_set_infinity(R) #define sm9_point_clean(R) sm9_point_set_infinity(R) void sm9_point_set_infinity(SM9_POINT *R); void sm9_point_copy(SM9_POINT *R, const SM9_POINT *P); void sm9_point_get_xy(const SM9_POINT *P, sm9_fp_t x, sm9_fp_t y); int sm9_point_is_at_infinity(const SM9_POINT *P); int sm9_point_equ(const SM9_POINT *P, const SM9_POINT *Q); int sm9_point_is_on_curve(const SM9_POINT *P); void sm9_point_dbl(SM9_POINT *R, const SM9_POINT *P); void sm9_point_add(SM9_POINT *R, const SM9_POINT *P, const SM9_POINT *Q); void sm9_point_neg(SM9_POINT *R, const SM9_POINT *P); void sm9_point_sub(SM9_POINT *R, const SM9_POINT *P, const SM9_POINT *Q); void sm9_point_mul(SM9_POINT *R, const sm9_bn_t k, const SM9_POINT *P); void sm9_point_mul_generator(SM9_POINT *R, const sm9_bn_t k); void sm9_point_from_hex(SM9_POINT *R, const char hex[65 * 2]); int sm9_point_to_uncompressed_octets(const SM9_POINT *P, uint8_t octets[65]); int sm9_point_from_uncompressed_octets(SM9_POINT *P, const uint8_t octets[65]); int sm9_point_print(FILE *fp, int fmt, int ind, const char *label, const SM9_POINT *P); typedef struct { sm9_fp2_t X; sm9_fp2_t Y; sm9_fp2_t Z; } SM9_TWIST_POINT; #define sm9_twist_point_copy(R, P) memcpy((R), (P), sizeof(SM9_TWIST_POINT)) int sm9_twist_point_to_uncompressed_octets(const SM9_TWIST_POINT *P, uint8_t octets[129]); int sm9_twist_point_from_uncompressed_octets(SM9_TWIST_POINT *P, const uint8_t octets[129]); void sm9_twist_point_from_hex(SM9_TWIST_POINT *R, const char hex[65 * 4]); int sm9_twist_point_is_at_infinity(const SM9_TWIST_POINT *P); void sm9_twist_point_set_infinity(SM9_TWIST_POINT *R); void sm9_twist_point_get_xy(const SM9_TWIST_POINT *P, sm9_fp2_t x, sm9_fp2_t y); int sm9_twist_point_equ(const SM9_TWIST_POINT *P, const SM9_TWIST_POINT *Q); int sm9_twist_point_is_on_curve(const SM9_TWIST_POINT *P); void sm9_twist_point_neg(SM9_TWIST_POINT *R, const SM9_TWIST_POINT *P); void sm9_twist_point_dbl(SM9_TWIST_POINT *R, const SM9_TWIST_POINT *P); void sm9_twist_point_add(SM9_TWIST_POINT *R, const SM9_TWIST_POINT *P, const SM9_TWIST_POINT *Q); void sm9_twist_point_sub(SM9_TWIST_POINT *R, const SM9_TWIST_POINT *P, const SM9_TWIST_POINT *Q); void sm9_twist_point_add_full(SM9_TWIST_POINT *R, const SM9_TWIST_POINT *P, const SM9_TWIST_POINT *Q); void sm9_twist_point_mul(SM9_TWIST_POINT *R, const sm9_bn_t k, const SM9_TWIST_POINT *P); void sm9_twist_point_mul_generator(SM9_TWIST_POINT *R, const sm9_bn_t k); int sm9_twist_point_print(FILE *fp, int fmt, int ind, const char *label, const SM9_TWIST_POINT *P); void sm9_eval_g_tangent(sm9_fp12_t num, sm9_fp12_t den, const SM9_TWIST_POINT *P, const SM9_POINT *Q); void sm9_eval_g_line(sm9_fp12_t num, sm9_fp12_t den, const SM9_TWIST_POINT *T, const SM9_TWIST_POINT *P, const SM9_POINT *Q); void sm9_twist_point_pi1(SM9_TWIST_POINT *R, const SM9_TWIST_POINT *P); void sm9_twist_point_pi2(SM9_TWIST_POINT *R, const SM9_TWIST_POINT *P); void sm9_twist_point_neg_pi2(SM9_TWIST_POINT *R, const SM9_TWIST_POINT *P); void sm9_final_exponent_hard_part(sm9_fp12_t r, const sm9_fp12_t f); void sm9_final_exponent(sm9_fp12_t r, const sm9_fp12_t f); void sm9_pairing(sm9_fp12_t r, const SM9_TWIST_POINT *Q, const SM9_POINT *P); /* private key extract algorithms */ #define SM9_HID_SIGN 0x01 #define SM9_HID_EXCH 0x02 #define SM9_HID_ENC 0x03 #define SM9_HASH1_PREFIX 0x01 #define SM9_HASH2_PREFIX 0x02 int sm9_hash1(sm9_bn_t h1, const char *id, size_t idlen, uint8_t hid); const char *sm9_oid_name(int oid); int sm9_oid_from_name(const char *name); int sm9_oid_to_der(int oid, uint8_t **out, size_t *outlen); int sm9_oid_from_der(int *oid, const uint8_t **in, size_t *inlen); int sm9_algor_to_der(int alg, int params, uint8_t **out, size_t *outlen); int sm9_algor_from_der(int *alg, int *params, const uint8_t **in, size_t *inlen); #define PEM_SM9_SIGN_MASTER_KEY "ENCRYPTED SM9 SIGN MASTER KEY" #define PEM_SM9_SIGN_MASTER_PUBLIC_KEY "SM9 SIGN MASTER PUBLIC KEY" #define PEM_SM9_SIGN_PRIVATE_KEY "ENCRYPTED SM9 SIGN PRIVATE KEY" #define PEM_SM9_ENC_MASTER_KEY "ENCRYPTED SM9 ENC MASTER KEY" #define PEM_SM9_ENC_MASTER_PUBLIC_KEY "SM9 ENC MASTER PUBLIC KEY" #define PEM_SM9_ENC_PRIVATE_KEY "ENCRYPTED SM9 ENC PRIVATE KEY" #define SM9_MAX_ID_SIZE (SM2_MAX_ID_SIZE) /* SM9SignMasterKey ::= SEQUENCE { ks INTEGER, Ppubs BIT STRING -- uncompressed octets of twisted point } SM9SignMasterPublicKey ::= SEQUENCE { Ppubs BIT STRING -- uncompressed octets of twisted point } SM9SignPrivateKey ::= SEQUENCE { ds BIT STRING, -- uncompressed octets of ECPoint Ppubs BIT STRING -- uncompressed octets of twisted point } */ typedef struct { SM9_TWIST_POINT Ppubs; // Ppubs = ks * P2 sm9_fn_t ks; } SM9_SIGN_MASTER_KEY; typedef struct { SM9_TWIST_POINT Ppubs; SM9_POINT ds; } SM9_SIGN_KEY; int sm9_sign_master_key_generate(SM9_SIGN_MASTER_KEY *master); int sm9_sign_master_key_extract_key(SM9_SIGN_MASTER_KEY *master, const char *id, size_t idlen, SM9_SIGN_KEY *key); // algorthm,parameters = sm9,sm9sign #define SM9_SIGN_MASTER_KEY_MAX_SIZE 171 int sm9_sign_master_key_to_der(const SM9_SIGN_MASTER_KEY *msk, uint8_t **out, size_t *outlen); int sm9_sign_master_key_from_der(SM9_SIGN_MASTER_KEY *msk, const uint8_t **in, size_t *inlen); int sm9_sign_master_key_info_encrypt_to_der(const SM9_SIGN_MASTER_KEY *msk, const char *pass, uint8_t **out, size_t *outlen); int sm9_sign_master_key_info_decrypt_from_der(SM9_SIGN_MASTER_KEY *msk, const char *pass, const uint8_t **in, size_t *inlen); int sm9_sign_master_key_info_encrypt_to_pem(const SM9_SIGN_MASTER_KEY *msk, const char *pass, FILE *fp); int sm9_sign_master_key_info_decrypt_from_pem(SM9_SIGN_MASTER_KEY *msk, const char *pass, FILE *fp); int sm9_sign_master_key_print(FILE *fp, int fmt, int ind, const char *label, const SM9_SIGN_MASTER_KEY *msk); #define SM9_SIGN_MASTER_PUBLIC_KEY_SIZE 136 int sm9_sign_master_public_key_to_der(const SM9_SIGN_MASTER_KEY *mpk, uint8_t **out, size_t *outlen); int sm9_sign_master_public_key_from_der(SM9_SIGN_MASTER_KEY *mpk, const uint8_t **in, size_t *inlen); int sm9_sign_master_public_key_to_pem(const SM9_SIGN_MASTER_KEY *mpk, FILE *fp); int sm9_sign_master_public_key_from_pem(SM9_SIGN_MASTER_KEY *mpk, FILE *fp); int sm9_sign_master_public_key_print(FILE *fp, int fmt, int ind, const char *label, const SM9_SIGN_MASTER_KEY *mpk); // algorithm,parameters = sm9sign, #define SM9_SIGN_KEY_SIZE 204 int sm9_sign_key_to_der(const SM9_SIGN_KEY *key, uint8_t **out, size_t *outlen); int sm9_sign_key_from_der(SM9_SIGN_KEY *key, const uint8_t **in, size_t *inlen); int sm9_sign_key_info_encrypt_to_der(const SM9_SIGN_KEY *key, const char *pass, uint8_t **out, size_t *outlen); int sm9_sign_key_info_decrypt_from_der(SM9_SIGN_KEY *key, const char *pass, const uint8_t **in, size_t *inlen); int sm9_sign_key_info_encrypt_to_pem(const SM9_SIGN_KEY *key, const char *pass, FILE *fp); int sm9_sign_key_info_decrypt_from_pem(SM9_SIGN_KEY *key, const char *pass, FILE *fp); int sm9_sign_key_print(FILE *fp, int fmt, int ind, const char *label, const SM9_SIGN_KEY *key); /* from GM/T 0080-2020 SM9 Cryptographic Alagorithm Application Specification SM9Signature ::= SEQUENCE { h OCTET STRING, S BIT STRING -- uncompressed octets of ECPoint } */ typedef struct { sm9_fn_t h; SM9_POINT S; } SM9_SIGNATURE; int sm9_do_sign(const SM9_SIGN_KEY *key, const SM3_CTX *sm3_ctx, SM9_SIGNATURE *sig); int sm9_do_verify(const SM9_SIGN_MASTER_KEY *mpk, const char *id, size_t idlen, const SM3_CTX *sm3_ctx, const SM9_SIGNATURE *sig); #define SM9_SIGNATURE_SIZE 104 int sm9_signature_to_der(const SM9_SIGNATURE *sig, uint8_t **out, size_t *outlen); int sm9_signature_from_der(SM9_SIGNATURE *sig, const uint8_t **in, size_t *inlen); int sm9_signature_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *sig, size_t siglen); typedef struct { SM3_CTX sm3_ctx; } SM9_SIGN_CTX; int sm9_sign_init(SM9_SIGN_CTX *ctx); int sm9_sign_update(SM9_SIGN_CTX *ctx, const uint8_t *data, size_t datalen); int sm9_sign_finish(SM9_SIGN_CTX *ctx, const SM9_SIGN_KEY *key, uint8_t *sig, size_t *siglen); int sm9_verify_init(SM9_SIGN_CTX *ctx); int sm9_verify_update(SM9_SIGN_CTX *ctx, const uint8_t *data, size_t datalen); int sm9_verify_finish(SM9_SIGN_CTX *ctx, const uint8_t *sig, size_t siglen, const SM9_SIGN_MASTER_KEY *mpk, const char *id, size_t idlen); /* SM9EncMasterKey ::= SEQUENCE { de INTEGER, Ppube BIT STRING -- uncompressed octets of ECPoint } SM9EncMasterPublicKey ::= SEQUENCE { Ppube BIT STRING -- uncompressed octets of ECPoint } SM9EncPrivateKey ::= SEQUENCE { de BIT STRING, -- uncompressed octets of twisted point Ppube BIT STRING -- uncompressed octets of ECPoint } */ typedef struct { SM9_POINT Ppube; // Ppube = ke * P1 sm9_fn_t ke; } SM9_ENC_MASTER_KEY; typedef struct { SM9_POINT Ppube; SM9_TWIST_POINT de; } SM9_ENC_KEY; int sm9_enc_master_key_generate(SM9_ENC_MASTER_KEY *master); int sm9_enc_master_key_extract_key(SM9_ENC_MASTER_KEY *master, const char *id, size_t idlen, SM9_ENC_KEY *key); // algorithm,parameters = sm9,sm9encrypt #define SM9_ENC_MASTER_KEY_MAX_SIZE 105 int sm9_enc_master_key_to_der(const SM9_ENC_MASTER_KEY *msk, uint8_t **out, size_t *outlen); int sm9_enc_master_key_from_der(SM9_ENC_MASTER_KEY *msk, const uint8_t **in, size_t *inlen); int sm9_enc_master_key_info_encrypt_to_der(const SM9_ENC_MASTER_KEY *msk, const char *pass, uint8_t **out, size_t *outlen); int sm9_enc_master_key_info_decrypt_from_der(SM9_ENC_MASTER_KEY *msk, const char *pass, const uint8_t **in, size_t *inlen); int sm9_enc_master_key_info_encrypt_to_pem(const SM9_ENC_MASTER_KEY *msk, const char *pass, FILE *fp); int sm9_enc_master_key_info_decrypt_from_pem(SM9_ENC_MASTER_KEY *msk, const char *pass, FILE *fp); int sm9_enc_master_key_print(FILE *fp, int fmt, int ind, const char *label, const SM9_ENC_MASTER_KEY *msk); #define SM9_ENC_MASTER_PUBLIC_KEY_SIZE 70 int sm9_enc_master_public_key_to_der(const SM9_ENC_MASTER_KEY *mpk, uint8_t **out, size_t *outlen); int sm9_enc_master_public_key_from_der(SM9_ENC_MASTER_KEY *mpk, const uint8_t **in, size_t *inlen); int sm9_enc_master_public_key_to_pem(const SM9_ENC_MASTER_KEY *mpk, FILE *fp); int sm9_enc_master_public_key_from_pem(SM9_ENC_MASTER_KEY *mpk, FILE *fp); int sm9_enc_master_public_key_print(FILE *fp, int fmt, int ind, const char *label, const SM9_ENC_MASTER_KEY *mpk); // algorithm,parameters = sm9encrypt, #define SM9_ENC_KEY_SIZE 204 int sm9_enc_key_to_der(const SM9_ENC_KEY *key, uint8_t **out, size_t *outlen); int sm9_enc_key_from_der(SM9_ENC_KEY *key, const uint8_t **in, size_t *inlen); int sm9_enc_key_info_encrypt_to_der(const SM9_ENC_KEY *key, const char *pass, uint8_t **out, size_t *outlen); int sm9_enc_key_info_decrypt_from_der(SM9_ENC_KEY *key, const char *pass, const uint8_t **in, size_t *inlen); int sm9_enc_key_info_encrypt_to_pem(const SM9_ENC_KEY *key, const char *pass, FILE *fp); int sm9_enc_key_info_decrypt_from_pem(SM9_ENC_KEY *key, const char *pass, FILE *fp); int sm9_enc_key_print(FILE *fp, int fmt, int ind, const char *label, const SM9_ENC_KEY *key); #define SM9_MAX_PRIVATE_KEY_SIZE (SM9_SIGN_KEY_SIZE) // MAX(SIGN_MASTER_KEY, SIGN_KEY, ENC_MASTER_KEY, ENC_KEY) #define SM9_MAX_PRIVATE_KEY_INFO_SIZE 512 #define SM9_MAX_ENCED_PRIVATE_KEY_INFO_SIZE 1024 /* from GM/T 0080-2020 SM9 Cryptographic Alagorithm Application Specification SM9Cipher ::= SEQUENCE { EnType INTEGER, -- 0 for XOR C1 BIT STRING, -- uncompressed octets of ECPoint C3 OCTET STRING, -- 32 bytes HMAC-SM3 tag CipherText OCTET STRING } */ int sm9_kem_encrypt(const SM9_ENC_MASTER_KEY *mpk, const char *id, size_t idlen, size_t klen, uint8_t *kbuf, SM9_POINT *C); int sm9_kem_decrypt(const SM9_ENC_KEY *key, const char *id, size_t idlen, const SM9_POINT *C, size_t klen, uint8_t *kbuf); int sm9_do_encrypt(const SM9_ENC_MASTER_KEY *mpk, const char *id, size_t idlen, const uint8_t *in, size_t inlen, SM9_POINT *C1, uint8_t *c2, uint8_t c3[SM3_HMAC_SIZE]); int sm9_do_decrypt(const SM9_ENC_KEY *key, const char *id, size_t idlen, const SM9_POINT *C1, const uint8_t *c2, size_t c2len, const uint8_t c3[SM3_HMAC_SIZE], uint8_t *out); #define SM9_MAX_PLAINTEXT_SIZE 255 #define SM9_MAX_CIPHERTEXT_SIZE 367 // calculated in test_sm9_ciphertext() int sm9_ciphertext_to_der(const SM9_POINT *C1, const uint8_t *c2, size_t c2len, const uint8_t c3[SM3_HMAC_SIZE], uint8_t **out, size_t *outlen); int sm9_ciphertext_from_der(SM9_POINT *C1, const uint8_t **c2, size_t *c2len, const uint8_t **c3, const uint8_t **in, size_t *inlen); int sm9_ciphertext_print(FILE *fp, int fmt, int ind, const char *label, const uint8_t *a, size_t alen); int sm9_encrypt(const SM9_ENC_MASTER_KEY *mpk, const char *id, size_t idlen, const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen); int sm9_decrypt(const SM9_ENC_KEY *key, const char *id, size_t idlen, const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen); #ifdef __cplusplus } #endif #endif