github.com/jlmucb/cloudproxy@v0.0.0-20170830161738-b5aa0b619bc4/go/tpm2/apps/Tpm2Keys/Tpm2Keys.go (about)

     1  // Copyright (c) 2014, Google, Inc. All rights reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  //
    15  
    16  package main
    17  
    18  import (
    19  	"flag"
    20  	"fmt"
    21  
    22  	"github.com/jlmucb/cloudproxy/go/tpm2"
    23  )
    24  
    25  // This program creates a key hierarchy consisting of a
    26  // primary key, and quoting key for cloudproxy and saves the context.
    27  func main() {
    28  	keySize := flag.Int("modulusSize",  2048, "Modulus size for keys")
    29  	rootContextFileName := flag.String("rootContextFile",  "rootContext.bin",
    30  		"Root context file")
    31  	quoteContextFileName := flag.String("quoteContextFile",
    32  		"quoteContext.bin", "Quote context file")
    33  	storeContextFileName := flag.String("storeContextFile",
    34  		"storeContext.bin", "Store context file")
    35  	pcrList := flag.String("pcrList",  "7", "Pcr list")
    36  	flag.Parse()
    37  
    38  	fmt.Printf("Pcr list: %s\n", *pcrList)
    39  
    40  	// Open tpm
    41  	rw, err := tpm2.OpenTPM("/dev/tpm0")
    42  	if err != nil {
    43  		fmt.Printf("OpenTPM failed %s\n", err)
    44  		return
    45  	}
    46  	defer rw.Close()
    47  
    48  	// Flushall
    49  	err =  tpm2.Flushall(rw)
    50  	if err != nil {
    51  		fmt.Printf("Flushall failed\n")
    52  		return
    53  	}
    54  
    55  	pcrs, err := tpm2.StringToIntList(*pcrList)
    56  	if err != nil {
    57  		fmt.Printf("Can't format pcr list\n")
    58  		return
    59  	}
    60  
    61  	err = tpm2.InitTpm2KeysandContexts(rw, pcrs, uint16(*keySize),
    62  		uint16(tpm2.AlgTPM_ALG_SHA1), "", *rootContextFileName,
    63                  *quoteContextFileName, *storeContextFileName)
    64  	if err == nil {
    65  		fmt.Printf("Key creation succeeded\n")
    66  	} else {
    67  		fmt.Printf("Key creation failed\n")
    68  	}
    69  	return
    70  }