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[Assignment-7] Add License / Copy Notices

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This commit is contained in:
Paul Zinselmeyer 2024-07-08 09:41:14 +02:00 committed by saschato
parent f54a8e5567
commit 445e42f4d3
5 changed files with 29 additions and 7 deletions
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1
7-SGX_Hands-on/src/app/employee.c
View file

@ -83,7 +83,6 @@ int handle_employee(int argc, char** argv) {
* Sign Firmware
*/
mdctx = EVP_MD_CTX_new();
if (EVP_DigestSignInit(mdctx, NULL, EVP_sha256(), NULL, key) != 1) {
fprintf(stderr, "Message digest initialization failed.\n");

3
7-SGX_Hands-on/src/app/main.c
View file

@ -8,6 +8,9 @@
#include "util.h"
/*
* main method of the binary calls the implementation of the specified subcommand
*/
int main(int argc, char** argv) {
if(argc < 1)
syntax_exit();

8
7-SGX_Hands-on/src/app/proxy.c
View file

@ -11,8 +11,6 @@
#include <sgx_tcrypto.h>
#include "enclave_u.h"
#include "proxy.h"
#include "util.h"
@ -221,6 +219,10 @@ static int ECDSA_SIG_to_sgx_signature(ECDSA_SIG* ecdsa_sig, sgx_ec256_signature_
return (0);
}
/*
* This function is a modified version of the `sgx_ecdsa_verify_hash` function in the [Intel SGX crypto library](https://github.com/intel/linux-sgx/blob/main/sdk/tlibcrypto/sgxssl/sgx_ecc256_ecdsa.cpp).
* The specified License applies.
*/
static int sgx_signature_to_ECDSA_SIG(sgx_ec256_signature_t* sgx_signature, ECDSA_SIG** ecdsa_signature) {
BIGNUM *bn_r = NULL;
BIGNUM *bn_s = NULL;
@ -318,7 +320,7 @@ int handle_proxy(int argc, char** argv) {
syntax_exit();
/*
* Read Signature Input
* Read And Parse Signature Input
*/
ecdsa_signature_data = malloc(1024);

4
7-SGX_Hands-on/src/app/proxysetup.c
View file

@ -28,6 +28,10 @@ char* proxysetup_syntax(void) {
" -token <path> (optional) file path of the sgx token\n";
}
/*
* This function is a modified version of the `get_pub_key_from_coords` function in the [Intel SGX crypto library](https://github.com/intel/linux-sgx/blob/c1ceb4fe146e0feb1097dee81c7e89925443e43c/sdk/tlibcrypto/sgxssl/sgx_ecc256.cpp).
* The specified License applies.
*/
static EVP_PKEY *sgx_public_to_EVP_PKEY(const sgx_ec256_public_t *p_public)
{
EVP_PKEY *evp_key = NULL;

20
7-SGX_Hands-on/src/app/util.c
View file

@ -39,13 +39,20 @@ void syntax_exit(void) {
void set_bin_name(char* bin_name) {
BIN_NAME = bin_name;
}
/*
* This definition is copied from the provided SGX Examples.
* The specified License applies.
*/
typedef struct _sgx_errlist_t {
sgx_status_t err;
const char *msg;
const char *sug; /* Suggestion */
} sgx_errlist_t;
/*
* This definition is copied from the provided SGX Examples.
* The specified License applies.
*/
/* Error code returned by sgx_create_enclave */
static sgx_errlist_t sgx_errlist[] = {
{
@ -124,7 +131,10 @@ static sgx_errlist_t sgx_errlist[] = {
NULL
},
};
/*
* This Method is copied from the provided SGX Examples.
* The specified License applies.
*/
/* Check error conditions for loading enclave */
void sgx_print_error_message(sgx_status_t ret)
{
@ -139,11 +149,15 @@ void sgx_print_error_message(sgx_status_t ret)
break;
}
}
if (idx == ttl)
printf("Error code is 0x%X. Please refer to the \"Intel SGX SDK Developer Reference\" for more details.\n", ret);
}
/*
* This Method is copied from the provided SGX Examples.
* The specified License applies.
*/
int initialize_enclave(char* token_path) {
FILE* sgx_token_file = NULL;
sgx_launch_token_t token = {0};