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Filename : P_ECCP256SHA256.json
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{
    "type": "TPM2_ALG_ECC",
    "nameAlg":"TPM2_ALG_SHA256",
    "srk_template": "system,restricted,decrypt,0x81000001",
    "srk_description": "Storage root key SRK",
    "srk_persistent": 0,
    "ek_template":  "system,restricted,decrypt",
    "ek_description": "Endorsement key EK",
    "ecc_signing_scheme": {
        "scheme":"TPM2_ALG_ECDSA",
        "details":{
            "hashAlg":"TPM2_ALG_SHA256"
        },
    },
    "sym_mode":"TPM2_ALG_CFB",
    "sym_parameters": {
        "algorithm":"TPM2_ALG_AES",
        "keyBits":"128",
        "mode":"TPM2_ALG_CFB"
    },
    "sym_block_size": 16,
    "pcr_selection": [
       { "hash": "TPM2_ALG_SHA1",
         "pcrSelect": [ ],
       },
       { "hash": "TPM2_ALG_SHA256",
         "pcrSelect": [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 ]
       }
    ],
    "curveID": "TPM2_ECC_NIST_P256",
    "ek_policy": {
        "description": "Endorsement hierarchy used for policy secret.",
        "policy":[
            {
                "type":"POLICYSECRET",
                "objectName": "4000000b",
            }
        ]
    }
}