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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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165
demos/sm4/sm4_gcm_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.
@@ -7,84 +7,85 @@
* http://www.apache.org/licenses/LICENSE-2.0
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <gmssl/sm4.h>
#include <gmssl/rand.h>
int main(void)
{
SM4_KEY sm4_key;
unsigned char key[16];
unsigned char iv[16];
unsigned char aad[20];
unsigned char mbuf[64] = {
0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,
0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,
0x31,0x32,0x33,0x34,
};
unsigned char cbuf[64] = {0};
unsigned char pbuf[64] = {0};
unsigned char tag[16];
int i;
rand_bytes(key, sizeof(key));
rand_bytes(iv, sizeof(iv));
printf("key: ");
for (i = 0; i < sizeof(key); i++) {
printf("%02X", key[i]);
}
printf("\n");
printf("iv: ");
for (i = 0; i < sizeof(iv); i++) {
printf("%02X", iv[i]);
}
printf("\n");
sm4_set_encrypt_key(&sm4_key, key);
printf("sm4 gcm encrypt\n");
printf("auth-only data: ");
for (i = 0; i < sizeof(aad); i++) {
printf("%02X", aad[i]);
}
printf("\n");
printf("plaintext: ");
for (i = 0; i < sizeof(mbuf); i++) {
printf("%02X", mbuf[i]);
}
printf("\n");
sm4_gcm_encrypt(&sm4_key, iv, sizeof(iv), aad, sizeof(aad), mbuf, sizeof(mbuf), cbuf, sizeof(tag), tag);
printf("ciphertext: ");
for (i = 0; i < sizeof(cbuf); i++) {
printf("%02X", cbuf[i]);
}
printf("\n");
printf("mac-tag: ");
for (i = 0; i < sizeof(tag); i++) {
printf("%02X", tag[i]);
}
printf("\n");
if (sm4_gcm_decrypt(&sm4_key, iv, sizeof(iv), aad, sizeof(aad), cbuf, sizeof(mbuf), tag, sizeof(tag), pbuf) != 1) {
fprintf(stderr, "sm4 gcm decrypt failed\n");
return 1;
}
printf("decrypted: ");
for (i = 0; i < sizeof(pbuf); i++) {
printf("%02X", pbuf[i]);
}
printf("\n");
return 0;
}
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <gmssl/sm4.h>
#include <gmssl/rand.h>
int main(void)
{
SM4_KEY sm4_key;
unsigned char key[16];
unsigned char iv[16];
unsigned char aad[20];
unsigned char mbuf[64] = {
0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,
0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,
0x31,0x32,0x33,0x34,
};
unsigned char cbuf[64] = {0};
unsigned char pbuf[64] = {0};
unsigned char tag[16];
int i;
rand_bytes(key, sizeof(key));
rand_bytes(iv, sizeof(iv));
printf("key: ");
for (i = 0; i < sizeof(key); i++) {
printf("%02X", key[i]);
}
printf("\n");
printf("iv: ");
for (i = 0; i < sizeof(iv); i++) {
printf("%02X", iv[i]);
}
printf("\n");
sm4_set_encrypt_key(&sm4_key, key);
printf("sm4 gcm encrypt\n");
printf("auth-only data: ");
for (i = 0; i < sizeof(aad); i++) {
printf("%02X", aad[i]);
}
printf("\n");
printf("plaintext: ");
for (i = 0; i < sizeof(mbuf); i++) {
printf("%02X", mbuf[i]);
}
printf("\n");
sm4_gcm_encrypt(&sm4_key, iv, sizeof(iv), aad, sizeof(aad), mbuf, sizeof(mbuf), cbuf, sizeof(tag), tag);
printf("ciphertext: ");
for (i = 0; i < sizeof(cbuf); i++) {
printf("%02X", cbuf[i]);
}
printf("\n");
printf("mac-tag: ");
for (i = 0; i < sizeof(tag); i++) {
printf("%02X", tag[i]);
}
printf("\n");
if (sm4_gcm_decrypt(&sm4_key, iv, sizeof(iv), aad, sizeof(aad), cbuf, sizeof(mbuf), tag, sizeof(tag), pbuf) != 1) {
fprintf(stderr, "sm4 gcm decrypt failed\n");
return 1;
}
printf("decrypted: ");
for (i = 0; i < sizeof(pbuf); i++) {
printf("%02X", pbuf[i]);
}
printf("\n");
return 0;
}