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Update sdf.h

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This commit is contained in:
Zhi Guan
2024-06-09 16:51:26 +08:00
parent 830c96c5c7
commit f575ea2c91
4 changed files with 43 additions and 34 deletions
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21
include/gmssl/sdf.h
View File

@@ -46,20 +46,17 @@ typedef struct {
} SDF_CBC_CTX; } SDF_CBC_CTX;
typedef struct { typedef struct {
SM2_Z256_POINT public_key;
void *session; void *session;
int index; int index;
} SDF_SIGN_KEY; } SDF_PRIVATE_KEY;
typedef struct { typedef struct {
SM3_CTX sm3_ctx; SM3_CTX sm3_ctx;
SM3_CTX saved_sm3_ctx; SM3_CTX saved_sm3_ctx;
SDF_SIGN_KEY key; SDF_PRIVATE_KEY key;
} SDF_SIGN_CTX; } SDF_SIGN_CTX;
int sdf_load_library(const char *so_path, const char *vendor); int sdf_load_library(const char *so_path, const char *vendor);
int sdf_open_device(SDF_DEVICE *dev); int sdf_open_device(SDF_DEVICE *dev);
int sdf_print_device_info(FILE *fp, int fmt, int ind, const char *lable, SDF_DEVICE *dev); int sdf_print_device_info(FILE *fp, int fmt, int ind, const char *lable, SDF_DEVICE *dev);
@@ -67,9 +64,9 @@ int sdf_digest_init(SDF_DIGEST_CTX *ctx, SDF_DEVICE *dev);
int sdf_digest_update(SDF_DIGEST_CTX *ctx, const uint8_t *data, size_t datalen); int sdf_digest_update(SDF_DIGEST_CTX *ctx, const uint8_t *data, size_t datalen);
int sdf_digest_finish(SDF_DIGEST_CTX *ctx, uint8_t dgst[SM3_DIGEST_SIZE]); int sdf_digest_finish(SDF_DIGEST_CTX *ctx, uint8_t dgst[SM3_DIGEST_SIZE]);
int sdf_digest_reset(SDF_DIGEST_CTX *ctx); int sdf_digest_reset(SDF_DIGEST_CTX *ctx);
void sdf_digest_cleanup(SDF_DIGEST_CTX *ctx); int sdf_digest_cleanup(SDF_DIGEST_CTX *ctx);
int sdf_generate_key(SDF_DEVICE *dev, SDF_KEY *key, const SM2_KEY *sm2_key, uint8_t *wrappedkey, size_t *wrappedkey_len); int sdf_generate_key(SDF_DEVICE *dev, SDF_KEY *key, const SM2_KEY *sm2_key, uint8_t *wrappedkey, size_t *wrappedkey_len);
int sdf_import_key(SDF_DEVICE *dev, unsigned int key_index, const char *pass, const uint8_t *wrappedkey, size_t wrappedkey_len, SDF_KEY *key); int sdf_import_key(SDF_DEVICE *dev, unsigned int key_index, const char *pass, const uint8_t *wrappedkey, size_t wrappedkey_len, SDF_KEY *key); // XXX: Is `pass` needed? see impl in sdf.c
int sdf_cbc_encrypt_init(SDF_CBC_CTX *ctx, const SDF_KEY *key, const uint8_t iv[16]); int sdf_cbc_encrypt_init(SDF_CBC_CTX *ctx, const SDF_KEY *key, const uint8_t iv[16]);
int sdf_cbc_encrypt_update(SDF_CBC_CTX *ctx, const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen); int sdf_cbc_encrypt_update(SDF_CBC_CTX *ctx, const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen);
int sdf_cbc_encrypt_finish(SDF_CBC_CTX *ctx, uint8_t *out, size_t *outlen); int sdf_cbc_encrypt_finish(SDF_CBC_CTX *ctx, uint8_t *out, size_t *outlen);
@@ -79,14 +76,14 @@ int sdf_cbc_decrypt_finish(SDF_CBC_CTX *ctx, uint8_t *out, size_t *outlen);
int sdf_destroy_key(SDF_KEY *key); int sdf_destroy_key(SDF_KEY *key);
int sdf_export_sign_public_key(SDF_DEVICE *dev, int key_index, SM2_KEY *public_key); int sdf_export_sign_public_key(SDF_DEVICE *dev, int key_index, SM2_KEY *public_key);
int sdf_export_encrypt_public_key(SDF_DEVICE *dev, int key_index, SM2_KEY *public_key); int sdf_export_encrypt_public_key(SDF_DEVICE *dev, int key_index, SM2_KEY *public_key);
int sdf_load_sign_key(SDF_DEVICE *dev, SDF_SIGN_KEY *key, int key_index, const char *pass); int sdf_load_private_key(SDF_DEVICE *dev, SDF_PRIVATE_KEY *key, int key_index, const char *pass);
int sdf_sign(SDF_SIGN_KEY *key, const uint8_t dgst[32], uint8_t *sig, size_t *siglen); int sdf_decrypt(const SDF_PRIVATE_KEY *key, const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen);
int sdf_sign_init(SDF_SIGN_CTX *ctx, const SDF_SIGN_KEY *key, const char *id, size_t idlen); int sdf_sign(const SDF_PRIVATE_KEY *key, const uint8_t dgst[32], uint8_t *sig, size_t *siglen);
int sdf_sign_init(SDF_SIGN_CTX *ctx, const SDF_PRIVATE_KEY *key, const char *id, size_t idlen);
int sdf_sign_update(SDF_SIGN_CTX *ctx, const uint8_t *data, size_t datalen); int sdf_sign_update(SDF_SIGN_CTX *ctx, const uint8_t *data, size_t datalen);
int sdf_sign_finish(SDF_SIGN_CTX *ctx, uint8_t *sig, size_t *siglen); int sdf_sign_finish(SDF_SIGN_CTX *ctx, uint8_t *sig, size_t *siglen);
int sdf_sign_reset(SDF_SIGN_CTX *ctx); int sdf_sign_reset(SDF_SIGN_CTX *ctx);
int sdf_sm2_decrypt(const SDF_SIGN_KEY *key, const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen); int sdf_release_private_key(SDF_PRIVATE_KEY *key);
int sdf_release_sign_key(SDF_SIGN_KEY *key);
int sdf_close_device(SDF_DEVICE *dev); int sdf_close_device(SDF_DEVICE *dev);
void sdf_unload_library(void); void sdf_unload_library(void);

50
src/sdf/sdf.c
View File

@@ -255,15 +255,16 @@ int sdf_digest_reset(SDF_DIGEST_CTX *ctx)
return 1; return 1;
} }
void sdf_digest_cleanup(SDF_DIGEST_CTX *ctx) int sdf_digest_cleanup(SDF_DIGEST_CTX *ctx)
{ {
if (ctx && ctx->session) { if (ctx && ctx->session) {
int ret; if (SDF_CloseSession(ctx->session) != SDR_OK) {
if ((ret = SDF_CloseSession(ctx->session)) != SDR_OK) {
error_print(); error_print();
return -1;
} }
ctx->session = NULL; ctx->session = NULL;
} }
return 1;
} }
static int sdf_cbc_encrypt_blocks(SDF_KEY *key, uint8_t iv[16], const uint8_t *in, size_t nblocks, uint8_t *out) static int sdf_cbc_encrypt_blocks(SDF_KEY *key, uint8_t iv[16], const uint8_t *in, size_t nblocks, uint8_t *out)
@@ -456,6 +457,10 @@ int sdf_destroy_key(SDF_KEY *key)
return 1; return 1;
} }
// FIXME:
// If SDF_ImportKeyWithISK_ECC does not need the GetPrivateKeyAccessRight
// then we can use `key_index` or `SDF_PRIVATE_KEY` as arg
// It's not secure to keep `pass` in memory
int sdf_import_key(SDF_DEVICE *dev, unsigned int key_index, const char *pass, int sdf_import_key(SDF_DEVICE *dev, unsigned int key_index, const char *pass,
const uint8_t *wrappedkey, size_t wrappedkey_len, SDF_KEY *key) const uint8_t *wrappedkey, size_t wrappedkey_len, SDF_KEY *key)
{ {
@@ -491,6 +496,7 @@ int sdf_import_key(SDF_DEVICE *dev, unsigned int key_index, const char *pass,
error_print(); error_print();
return -1; return -1;
} }
// XXX: does import_key need the right?
if (SDF_GetPrivateKeyAccessRight(hSession, key_index, (unsigned char *)pass, (unsigned int)strlen(pass)) != SDR_OK) { if (SDF_GetPrivateKeyAccessRight(hSession, key_index, (unsigned char *)pass, (unsigned int)strlen(pass)) != SDR_OK) {
(void)SDF_CloseSession(hSession); (void)SDF_CloseSession(hSession);
error_print(); error_print();
@@ -739,8 +745,7 @@ int sdf_export_encrypt_public_key(SDF_DEVICE *dev, int key_index, SM2_KEY *sm2_k
return 1; return 1;
} }
// 这个要改为load_key int sdf_load_private_key(SDF_DEVICE *dev, SDF_PRIVATE_KEY *key, int key_index, const char *pass)
int sdf_load_sign_key(SDF_DEVICE *dev, SDF_SIGN_KEY *key, int key_index, const char *pass)
{ {
void *hSession = NULL; void *hSession = NULL;
ECCrefPublicKey eccPublicKey; ECCrefPublicKey eccPublicKey;
@@ -758,27 +763,18 @@ int sdf_load_sign_key(SDF_DEVICE *dev, SDF_SIGN_KEY *key, int key_index, const c
error_print(); error_print();
return -1; return -1;
} }
if (SDF_ExportSignPublicKey_ECC(hSession, key_index, &eccPublicKey) != SDR_OK) {
(void)SDF_CloseSession(hSession);
error_print();
return -1;
}
if (SDF_GetPrivateKeyAccessRight(hSession, key_index, (unsigned char *)pass, (unsigned int)strlen(pass)) != SDR_OK) { if (SDF_GetPrivateKeyAccessRight(hSession, key_index, (unsigned char *)pass, (unsigned int)strlen(pass)) != SDR_OK) {
(void)SDF_CloseSession(hSession); (void)SDF_CloseSession(hSession);
error_print(); error_print();
return -1; return -1;
} }
if (ECCrefPublicKey_to_SM2_Z256_POINT(&eccPublicKey, &key->public_key) != 1) {
error_print();
return -1;
}
key->session = hSession; key->session = hSession;
key->index = key_index; key->index = key_index;
return 1; return 1;
} }
int sdf_sign(SDF_SIGN_KEY *key, const uint8_t dgst[32], uint8_t *sig, size_t *siglen) int sdf_sign(const SDF_PRIVATE_KEY *key, const uint8_t dgst[32], uint8_t *sig, size_t *siglen)
{ {
ECCSignature ecc_sig; ECCSignature ecc_sig;
SM2_SIGNATURE sm2_sig; SM2_SIGNATURE sm2_sig;
@@ -803,7 +799,7 @@ int sdf_sign(SDF_SIGN_KEY *key, const uint8_t dgst[32], uint8_t *sig, size_t *si
return 1; return 1;
} }
int sdf_sm2_decrypt(const SDF_SIGN_KEY *key, const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen) int sdf_decrypt(const SDF_PRIVATE_KEY *key, const uint8_t *in, size_t inlen, uint8_t *out, size_t *outlen)
{ {
ECCCipher eccCipher; ECCCipher eccCipher;
SM2_CIPHERTEXT ciphertext; SM2_CIPHERTEXT ciphertext;
@@ -842,12 +838,28 @@ int sdf_sm2_decrypt(const SDF_SIGN_KEY *key, const uint8_t *in, size_t inlen, ui
return 1; return 1;
} }
int sdf_sign_init(SDF_SIGN_CTX *ctx, const SDF_SIGN_KEY *key, const char *id, size_t idlen) int sdf_sign_init(SDF_SIGN_CTX *ctx, const SDF_PRIVATE_KEY *key, const char *id, size_t idlen)
{ {
ECCrefPublicKey eccPublicKey;
SM2_Z256_POINT z256_point;
if (!ctx || !key) { if (!ctx || !key) {
error_print(); error_print();
return -1; return -1;
} }
if (!key->session) {
error_print();
return -1;
}
if (SDF_ExportSignPublicKey_ECC(key->session, key->index, &eccPublicKey) != SDR_OK) {
error_print();
return -1;
}
if (ECCrefPublicKey_to_SM2_Z256_POINT(&eccPublicKey, &z256_point) != 1) {
error_print();
return -1;
}
sm3_init(&ctx->sm3_ctx); sm3_init(&ctx->sm3_ctx);
if (id) { if (id) {
@@ -857,7 +869,7 @@ int sdf_sign_init(SDF_SIGN_CTX *ctx, const SDF_SIGN_KEY *key, const char *id, si
error_print(); error_print();
return -1; return -1;
} }
sm2_compute_z(z, &key->public_key, id, idlen); sm2_compute_z(z, &z256_point, id, idlen);
sm3_update(&ctx->sm3_ctx, z, sizeof(z)); sm3_update(&ctx->sm3_ctx, z, sizeof(z));
} }
ctx->saved_sm3_ctx = ctx->sm3_ctx; ctx->saved_sm3_ctx = ctx->sm3_ctx;
@@ -906,7 +918,7 @@ int sdf_sign_reset(SDF_SIGN_CTX *ctx)
return 1; return 1;
} }
int sdf_release_key(SDF_SIGN_KEY *key) int sdf_release_key(SDF_PRIVATE_KEY *key)
{ {
if (SDF_ReleasePrivateKeyAccessRight(key->session, key->index) != SDR_OK) { if (SDF_ReleasePrivateKeyAccessRight(key->session, key->index) != SDR_OK) {
error_print(); error_print();

2
tools/sdfdigest.c
View File

@@ -256,7 +256,7 @@ bad:
} }
ret = 0; ret = 0;
end: end:
sdf_digest_cleanup(&ctx); (void)sdf_digest_cleanup(&ctx);
if (pubkeyfp) fclose(pubkeyfp); if (pubkeyfp) fclose(pubkeyfp);
if (infile && infp) fclose(infp); if (infile && infp) fclose(infp);
if (outfile && outfp) fclose(outfp); if (outfile && outfp) fclose(outfp);

4
tools/sdfsign.c
View File

@@ -54,7 +54,7 @@ int sdfsign_main(int argc, char **argv)
uint8_t sig[SM2_MAX_SIGNATURE_SIZE]; uint8_t sig[SM2_MAX_SIGNATURE_SIZE];
size_t siglen; size_t siglen;
SDF_DEVICE dev; SDF_DEVICE dev;
SDF_SIGN_KEY key; SDF_PRIVATE_KEY key;
SDF_SIGN_CTX ctx; SDF_SIGN_CTX ctx;
argc--; argc--;
@@ -125,7 +125,7 @@ bad:
goto end; goto end;
} }
if (sdf_load_sign_key(&dev, &key, key_index, pass) != 1) { if (sdf_load_private_key(&dev, &key, key_index, pass) != 1) {
(void)sdf_close_device(&dev); (void)sdf_close_device(&dev);
fprintf(stderr, "gmssl %s: load signing key #%d failure\n", prog, key_index); fprintf(stderr, "gmssl %s: load signing key #%d failure\n", prog, key_index);
goto end; goto end;