Function passwd_decrypt

app/net_tools/global/passwd_crypt.cpp:49–87

}

char* passwd_decrypt(const char* in)
{
	const char* myname = "passwd_decrypt";
	mbedtls_des3_context ctx;
	unsigned char iv[8];
	unsigned char* buf;
	char* data;
	int   n;

	if (mbedtls_des3_set3key_dec(&ctx, des3_test_keys) != 0)
	{
		acl_msg_error("%s: des3_set3key_dec error!", myname);
		return NULL;
	}

	n = acl_base64_decode(in, &data);
	if (n < 0)
	{
		acl_msg_error("%s: acl_base64_decode error!", myname);
		return NULL;
	}

	memcpy(iv, des3_test_iv, 8);

	n += 8 - n % 8 + 8;
	buf = (unsigned char*) acl_mycalloc(1, n);
	memcpy(buf, data, n);
	acl_myfree(data);

	if (mbedtls_des3_crypt_cbc(&ctx, MBEDTLS_DES_DECRYPT, n, iv, buf, buf) != 0)
	{
		acl_myfree(buf);
		acl_msg_error("%s: des3_crypt_cbc error!", myname);
		printf("n: %d\n", (int) n);
		return NULL;
	}

	return (char*) buf;
}