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Simon
2022-08-25 22:42:11 -07:00
parent 16b39da60b
commit 0b4308b948
268 changed files with 67247 additions and 67015 deletions
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109
demos/sm2/sm2_sign_ctx_demo.c
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@@ -1,5 +1,5 @@
/*
* Copyright 2022 The GmSSL Project. All Rights Reserved.
* 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.
@@ -7,56 +7,57 @@
* http://www.apache.org/licenses/LICENSE-2.0
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <gmssl/sm2.h>
#include <gmssl/error.h>
int main(void)
{
SM2_KEY sm2_key;
SM2_KEY pub_key;
SM2_SIGN_CTX sign_ctx;
unsigned char dgst[32];
unsigned char sig[SM2_MAX_SIGNATURE_SIZE];
size_t siglen;
int ret;
sm2_key_generate(&sm2_key);
memcpy(&pub_key, &sm2_key, sizeof(SM2_POINT));
// sign without signer ID (and Z value)
sm2_sign_init(&sign_ctx, &sm2_key, NULL, 0);
sm2_sign_update(&sign_ctx, (unsigned char *)"hello ", strlen("hello "));
sm2_sign_update(&sign_ctx, (unsigned char *)"world", strlen("world"));
sm2_sign_finish(&sign_ctx, sig, &siglen);
format_bytes(stdout, 0, 0, "signature", sig, siglen);
// digest and verify
sm3_digest((unsigned char *)"hello world", strlen("hello world"), dgst);
ret = sm2_verify(&pub_key, dgst, sig, siglen);
printf("verify result: %s\n", ret == 1 ? "success" : "failure");
// use verify update API
sm2_verify_init(&sign_ctx, &pub_key, NULL, 0);
sm2_verify_update(&sign_ctx, (unsigned char *)"hello world", strlen("hello world"));
ret = sm2_verify_finish(&sign_ctx, sig, siglen);
printf("verify result: %s\n", ret == 1 ? "success" : "failure");
// sign use default signer ID
sm2_sign_init(&sign_ctx, &sm2_key, SM2_DEFAULT_ID, SM2_DEFAULT_ID_LENGTH);
sm2_sign_update(&sign_ctx, (unsigned char *)"hello ", strlen("hello "));
sm2_sign_update(&sign_ctx, (unsigned char *)"world", strlen("world"));
sm2_sign_finish(&sign_ctx, sig, &siglen);
format_bytes(stdout, 0, 0, "signature", sig, siglen);
sm2_verify_init(&sign_ctx, &pub_key, SM2_DEFAULT_ID, SM2_DEFAULT_ID_LENGTH);
sm2_verify_update(&sign_ctx, (unsigned char *)"hello world", strlen("hello world"));
ret = sm2_verify_finish(&sign_ctx, sig, siglen);
printf("verify result: %s\n", ret == 1 ? "success" : "failure");
return 0;
}
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <gmssl/sm2.h>
#include <gmssl/error.h>
int main(void)
{
SM2_KEY sm2_key;
SM2_KEY pub_key;
SM2_SIGN_CTX sign_ctx;
unsigned char dgst[32];
unsigned char sig[SM2_MAX_SIGNATURE_SIZE];
size_t siglen;
int ret;
sm2_key_generate(&sm2_key);
memcpy(&pub_key, &sm2_key, sizeof(SM2_POINT));
// sign without signer ID (and Z value)
sm2_sign_init(&sign_ctx, &sm2_key, NULL, 0);
sm2_sign_update(&sign_ctx, (unsigned char *)"hello ", strlen("hello "));
sm2_sign_update(&sign_ctx, (unsigned char *)"world", strlen("world"));
sm2_sign_finish(&sign_ctx, sig, &siglen);
format_bytes(stdout, 0, 0, "signature", sig, siglen);
// digest and verify
sm3_digest((unsigned char *)"hello world", strlen("hello world"), dgst);
ret = sm2_verify(&pub_key, dgst, sig, siglen);
printf("verify result: %s\n", ret == 1 ? "success" : "failure");
// use verify update API
sm2_verify_init(&sign_ctx, &pub_key, NULL, 0);
sm2_verify_update(&sign_ctx, (unsigned char *)"hello world", strlen("hello world"));
ret = sm2_verify_finish(&sign_ctx, sig, siglen);
printf("verify result: %s\n", ret == 1 ? "success" : "failure");
// sign use default signer ID
sm2_sign_init(&sign_ctx, &sm2_key, SM2_DEFAULT_ID, SM2_DEFAULT_ID_LENGTH);
sm2_sign_update(&sign_ctx, (unsigned char *)"hello ", strlen("hello "));
sm2_sign_update(&sign_ctx, (unsigned char *)"world", strlen("world"));
sm2_sign_finish(&sign_ctx, sig, &siglen);
format_bytes(stdout, 0, 0, "signature", sig, siglen);
sm2_verify_init(&sign_ctx, &pub_key, SM2_DEFAULT_ID, SM2_DEFAULT_ID_LENGTH);
sm2_verify_update(&sign_ctx, (unsigned char *)"hello world", strlen("hello world"));
ret = sm2_verify_finish(&sign_ctx, sig, siglen);
printf("verify result: %s\n", ret == 1 ? "success" : "failure");
return 0;
}