Assignment-7-sgximpl #13

Merged
saschato merged 62 commits from Assignment-7-sgximpl into Assignment-7 2024-07-08 11:03:28 +02:00
Showing only changes of commit 5a12559f5d - Show all commits

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@ -27,6 +27,7 @@ static void syntax_exit() {
static EVP_PKEY *read_public_key(uint8_t *public_key_file, EVP_PKEY **key) {
if(public_key_file == NULL) {
fprintf(stderr, "public_key_file is a null pointer!\n");
return NULL;
}
FILE *fd = fopen(public_key_file, "rb");
@ -44,11 +45,13 @@ static EVP_PKEY *read_public_key(uint8_t *public_key_file, EVP_PKEY **key) {
static void hash_firmware(uint8_t *firmware_path, EVP_MD_CTX **ctx) {
if(firmware_path == NULL) {
fprintf(stderr, "firmware_path is a null pointer!\n");
return;
}
FILE *fd = fopen(firmware_path, "rb");
if(fd == NULL) {
fprintf(stderr, "failed to open firmware!\n");
goto exit;
}
size_t size;
@ -57,7 +60,7 @@ static void hash_firmware(uint8_t *firmware_path, EVP_MD_CTX **ctx) {
EVP_DigestVerifyUpdate(*ctx, buf, size);
}
fclose(fd);
exit: fclose(fd);
}
static void read_signature(uint8_t *signature, size_t *signature_size) {