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add zeromem engine

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anti memory leakage attack
This commit is contained in:
Zhi Guan
2017-03-16 23:20:13 +08:00
parent 3090de8951
commit 7f24b7229e
19 changed files with 3648 additions and 0 deletions
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106
engines/zeromem/engine/mytest.c Executable file
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//test.c
#include <stdio.h>
#include <string.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/bn.h>
#include <openssl/engine.h>
static void display_engine_list()
{
ENGINE *h;
int loop;
h = ENGINE_get_first();
loop = 0;
printf("listing available engine types\n");
while(h)
{
printf("engine %i, id = \"%s\", name = \"%s\"\n",
loop++, ENGINE_get_id(h), ENGINE_get_name(h));
h = ENGINE_get_next(h);
}
printf("end of list\n");
/* ENGINE_get_first() increases the struct_ref counter, so we
must call ENGINE_free() to decrease it again */
ENGINE_free(h);
}
void test()
{
ENGINE *e = NULL;
int rv;
unsigned char buf[1024];
EVP_PKEY *evpKey;
EC_KEY *key;
EC_POINT *pubkey;
EC_GROUP *group;
EC_builtin_curve *curves;
int crv_len;
char shareKey1[10240],shareKey2[10240];
int ret,nid,size,i,sig_len;
int len1,len2;
crv_len = EC_get_builtin_curves(NULL, 0);
curves = (EC_builtin_curve *)malloc(sizeof(EC_builtin_curve) * crv_len);
EC_get_builtin_curves(curves, crv_len);
nid = NID_sect163k1;
group=EC_GROUP_new_by_curve_name(nid);
key=EC_KEY_new();
ret=EC_KEY_set_group(key,group);
ret=EC_KEY_generate_key(key);
ret=EC_KEY_check_key(key);
pubkey = EC_KEY_get0_public_key(key);
ENGINE_load_myengine();
display_engine_list();
len1=ECDH_compute_key(shareKey1, 10240, pubkey, key, NULL);
e = ENGINE_by_id("111");
printf("get myengine engine OK.name:%s\n",ENGINE_get_name(e));
ENGINE_register_ECDH(e);
//rv = ENGINE_set_default(e,ENGINE_METHOD_ALL);
len2=ECDH_compute_key(shareKey2, 10240, pubkey, key, NULL);
printf("len: %d, %d\n", len1, len2);
if(len1!=len2)
{
printf("err: %d, %d\n", len1, len2);
}
else
{
ret=memcmp(shareKey1,shareKey2,len1);
if(ret==0)
{
printf("right\n");
}
else
printf("wrong\n");
}
printf("test ok!\n");
/*ENGINE_register_RSA(e);
rv = ENGINE_set_default(e,ENGINE_METHOD_ALL);
evpKey = EVP_PKEY_new();
rsa = RSA_generate_key(1024,RSA_F4,NULL,NULL);
rv = EVP_PKEY_set1_RSA(evpKey,rsa);
rv = EVP_PKEY_encrypt(buf,buf,128,evpKey);
*/
/* rv = ENGINE_finish(e);
rv = ENGINE_free(e);
printf("test end.\n");
return;*/
}
int main()
{
test();
return 0;
}