I tried to use openssl to exchange a key with SGX by ecc, but I don't know which Elliptical Curve is used in SGX, so I can't set the parameters for openssl.
I want to know which Elliptical Curve used in SGX's function like sgx_ecc256_compute_shared_dhkey()?
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It's 256-bit GF(p).
But, to use the Keys in OpenSSL you need to transform the Key to Little-Endian.
Sources:
https://software.intel.com/en-us/node/709148
https://software.intel.com/en-us/forums/intel-software-guard-extensions-intel-sgx/topic/740704
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