RubNoobs/Systemsicherheit
3
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Assignment 7 #4

Merged
saschato merged 75 commits from Assignment-7 into master 2024-07-08 11:19:51 +02:00
Conversation 0 Commits 75 Files changed 36 +8 -3
1 changed files with 8 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files
Showing only changes of commit 0558e0870d - Show all commits

11
Assignment 7 - SGX Hands-on/src/enclave/enclave.c
View file

@ -85,15 +85,20 @@ sgx_status_t sign_firmware(uint8_t *data, size_t data_size, uint8_t *signature,
sgx_ec256_public_t public; sgx_ec256_public_t public;
sgx_status_t status; sgx_status_t status;
if((status = sgx_ecc256_open_context(&ecc_handle)) != SGX_SUCCESS) if((status = sgx_ecc256_open_context(&ecc_handle)) != SGX_SUCCESS) {
return status; return status;
}
if((status = sgx_ecc256_create_key_pair(&private, &public, ecc_handle)) != SGX_SUCCESS) if((status = sgx_ecc256_create_key_pair(&private, &public, ecc_handle)) != SGX_SUCCESS) {
sgx_ecc256_close_context(ecc_handle);
return status; return status;
}
sgx_ec256_signature_t ecc_signature; sgx_ec256_signature_t ecc_signature;
if((status = sgx_ecdsa_sign(data, data_size, &private, &ecc_signature, ecc_handle)) != SGX_SUCCESS) if((status = sgx_ecdsa_sign(data, data_size, &private, &ecc_signature, ecc_handle)) != SGX_SUCCESS) {
sgx_ecc256_close_context(ecc_handle);
return status; return status;
}
memcpy(signature, ecc_signature.x, SGX_ECP256_KEY_SIZE); memcpy(signature, ecc_signature.x, SGX_ECP256_KEY_SIZE);
memcpy(signature + SGX_ECP256_KEY_SIZE, ecc_signature.y, SGX_ECP256_KEY_SIZE); memcpy(signature + SGX_ECP256_KEY_SIZE, ecc_signature.y, SGX_ECP256_KEY_SIZE);