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Assignment 7 sgximpl: readme compilation hint
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chronal 2024-07-07 17:11:55 +02:00
parent 01e9f18674
commit 2d35d4f308
Signed by: chronal
GPG key ID: 25400F3DAABF602F
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29
7-SGX_Hands-on/README.md
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@ -1,18 +1,3 @@
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# Usage
## Setup
Initialize the Enclave keypair by executing:
`./signatureproxy proxysetup -pkey <sealed_proxy_key.bin> > <proxy_public_key.pem>`
## Sign
1. Create employee signature using `./signatureproxy employee -firm <firmware.bin> -ekey <employee_privat_key.pem> > <employee_signature.der>`
This step can also be done using OpenSSL: `openssl dgst -sha256 -sign <employee_private_key.pem> -out <employee_signature.der> -in <firmware.bin>`
2. Use the signature proxy to resign the firmware using `./signatureproxy proxy -pkey <sealed_proxy_key.bin> -epub <employee_public_key.der> -firm <firmware.bin> > <proxy_signature.der>`
The enclave verifies the employee signature and signs the firmware if the signature is valid.
3. Verify signature using `cat <proxy_signature.der> | ./signatureproxy embedded -firm <firmware.bin> -ppub <proxy_public_key.pem>`
This step can also be done using OpenSSL: `openssl dgst -sha256 -verify <proxy_public_key.pem> -signature <proxy-signature.der> <firmware.bin>`
=======
# Signature Relay for firmware
Documentation of
@ -45,7 +30,15 @@ out
└── obj <- here are the object files generated by the compiling process
```
## Usage
# Usage
## Setup
Initialize the Enclave keypair by executing:
`./signatureproxy proxysetup -pkey <sealed_proxy_key.bin> > <proxy_public_key.pem>`
>>>>>>> c1d9d30 (Assignment 7 sgximpl: README.md compiling)
## Sign
1. Create employee signature using `./signatureproxy employee -firm <firmware.bin> -ekey <employee_privat_key.pem> > <employee_signature.der>`
This step can also be done using OpenSSL: `openssl dgst -sha256 -sign <employee_private_key.pem> -out <employee_signature.der> -in <firmware.bin>`
2. Use the signature proxy to resign the firmware using `./signatureproxy proxy -pkey <sealed_proxy_key.bin> -epub <employee_public_key.der> -firm <firmware.bin> > <proxy_signature.der>`
The enclave verifies the employee signature and signs the firmware if the signature is valid.
3. Verify signature using `cat <proxy_signature.der> | ./signatureproxy embedded -firm <firmware.bin> -ppub <proxy_public_key.pem>`
This step can also be done using OpenSSL: `openssl dgst -sha256 -verify <proxy_public_key.pem> -signature <proxy-signature.der> <firmware.bin>`