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Update SM9

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This commit is contained in:
Zhi Guan
2022-05-15 14:06:29 +08:00
parent da5de7be67
commit 4e3992d3f0
4 changed files with 604 additions and 55 deletions
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76
include/gmssl/sm9.h
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@@ -312,9 +312,12 @@ int sm9_point_from_bytes(sm9_point_t *P, const uint8_t in[32 * 2]);
int sm9_twist_point_to_bytes(const sm9_twist_point_t *P, uint8_t out[32 * 2]);
int sm9_twist_point_from_bytes(sm9_twist_point_t *P, const uint8_t in[32 * 2]);
void sm9_fn_to_bytes(const sm9_fn_t a, uint8_t out[32]);
int sm9_fn_from_bytes(sm9_fn_t a, const uint8_t in[32]);
int sm9_point_to_uncompressed_octets(const sm9_point_t *P, uint8_t octets[65]);
int sm9_point_from_uncompressed_octets(sm9_point_t *P, const uint8_t octets[65]);
int sm9_twist_point_to_uncompressed_octets(const sm9_twist_point_t *P, uint8_t octets[129]);
int sm9_twist_point_from_uncompressed_octets(sm9_twist_point_t *P, const uint8_t octets[129]);
// set the same value as sm2
@@ -331,20 +334,48 @@ typedef struct {
uint8_t y[64];
} SM9_TWIST_POINT;
/*
SM9SignMasterKey ::= SEQUENCE {
ks INTEGER,
Ppubs BIT STRING, -- uncompressed octets of twisted point
}
*/
typedef struct {
sm9_twist_point_t Ppubs; // Ppubs = ks * P2
sm9_fn_t ks;
} SM9_SIGN_MASTER_KEY;
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_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);
/*
SM9SignPrivateKey ::= SEQUENCE {
ds BIT STRING, -- uncompressed octets of ECPoint
Ppubs BIT STRING -- uncompressed octets of twisted point
}
*/
typedef struct {
sm9_twist_point_t Ppubs;
sm9_point_t ds;
} SM9_SIGN_KEY;
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_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);
/*
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_t S;
@@ -353,6 +384,8 @@ typedef struct {
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);
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);
typedef struct {
@@ -368,26 +401,53 @@ 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);
typedef struct {
sm9_point_t Ppube; // Ppube = ke * P1
sm9_fn_t ke;
} SM9_ENC_MASTER_KEY;
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_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);
/*
SM9EncPrivateKey ::= SEQUENCE {
de BIT STRING, -- uncompressed octets of twisted point
Ppube BIT STRING -- uncompressed octets of ECPoint
}
*/
typedef struct {
sm9_point_t Ppube;
sm9_twist_point_t de;
} SM9_ENC_KEY;
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_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);
int sm9_kem_encrypt(const SM9_ENC_MASTER_KEY *mpk, const char *id, size_t idlen, size_t klen, uint8_t *kbuf, uint8_t cbuf[64]);
int sm9_kem_decrypt(const SM9_ENC_KEY *key, const char *id, size_t idlen, const uint8_t cbuf[64], size_t klen, uint8_t *kbuf);
/*
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_ciphertext_to_der(const sm9_point_t *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_t *C1, const uint8_t **c2, size_t *c2len,
const uint8_t *c3[SM3_HMAC_SIZE], const uint8_t **in, size_t *inlen);
int sm9_kem_encrypt(const SM9_ENC_MASTER_KEY *mpk, const char *id, size_t idlen, size_t klen, uint8_t *kbuf, sm9_point_t *C);
int sm9_kem_decrypt(const SM9_ENC_KEY *key, const char *id, size_t idlen, const sm9_point_t *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, uint8_t C1[64], uint8_t *C2, uint8_t C3[32]);
const uint8_t *in, size_t inlen, sm9_point_t *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 uint8_t C1[64], const uint8_t *C2, size_t C2len, const uint8_t C3[32], uint8_t *out);
const sm9_point_t *C1, const uint8_t *c2, size_t c2len, const uint8_t c3[SM3_HMAC_SIZE], uint8_t *out);
# ifdef __cplusplus
}