A simple Qt based browser with no bullshit that supports PKCS#11 tokens (such as the SuisseID).
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2.2 KiB

#include "engine_sct.h"
#include <cstring>
#include <openssl/rsa.h>
int main(int argc, char* argv[])
{
ENGINE* e = NULL;
enum_certs_s* certs_found = NULL;
ENGINE_load_dynamic();
e = ENGINE_by_id("dynamic");
int res;
// Parameters to set for the dynamic loader
res = ENGINE_ctrl_cmd_string(e, "SO_PATH", "/home/carsten/engine_securetoken/libengine_securetoken.so", 0);
res = ENGINE_ctrl_cmd_string(e, "ID", "securetoken", 0);
res = ENGINE_ctrl_cmd_string(e, "LIST_ADD", "1", 0);
// Now actually load the SecureToken engine.
res = ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0);
// Following control commands go to the SecureToken engine rather than the dynamic loader
res = ENGINE_init(e);
res = ENGINE_ctrl_cmd(e, "ENUM_CERTS", 0, &certs_found, NULL, 0);
printf("Found %d certificates.\n", certs_found->num_certs);
enum_cert_s* selected_cert = NULL;
for(int i=0;i<certs_found->num_certs;i++)
{
printf("Certificate %d:\n", i);
printf(" Name: %s\n", certs_found->certificate[i].cert->name);
if(certs_found->certificate[i].id == NULL)
printf(" No key.\n");
else
{
printf(" Key access ID: %s\n", certs_found->certificate[i].id);
if(!selected_cert) selected_cert = &certs_found->certificate[i];
}
}
EVP_PKEY* pk_pub = ENGINE_load_public_key(e, selected_cert->id, NULL, NULL);
RSA* pubkey = EVP_PKEY_get1_RSA(pk_pub);
const char* source = "Dies ist ein geheimer Testtext zum Verschlüsseln\n";
int srclen = strlen(source)+1;
unsigned char cipherbuf[srclen*2048];
int ciphlen = RSA_public_encrypt(srclen, (const unsigned char *) source, cipherbuf, pubkey, RSA_PKCS1_PADDING);
EVP_PKEY_free(pk_pub);
RSA_free(pubkey);
EVP_PKEY* pk_priv = ENGINE_load_private_key(e, selected_cert->id, NULL, NULL);
RSA* privkey = EVP_PKEY_get1_RSA(pk_priv);
char plainbuf[srclen*2];
int plainlen = RSA_private_decrypt(ciphlen, cipherbuf, (unsigned char *) plainbuf, privkey, RSA_PKCS1_PADDING);
EVP_PKEY_free(pk_priv);
RSA_free(privkey);
if(srclen != plainlen || strcmp(source, plainbuf))
printf("Unterschied in Ver/Entschlüsselung");
else
printf("%s",plainbuf);
res = ENGINE_finish(e);
ENGINE_cleanup();
return 0;
}