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Add example for AIKPublic.Verify (#89)

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Tom D 2019-08-29 11:26:42 -07:00 committed by GitHub
parent 0f580b1efd
commit 07feb34890
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1 changed files with 45 additions and 0 deletions
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45
attest/example_test.go
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@ -129,3 +129,48 @@ func TestExampleAIK(t *testing.T) {
ExampleAIK_credentialActivation()
ExampleAIK_quote()
}
func ExampleAIKPublic_Verify() {
tpm, err := attest.OpenTPM(nil)
if err != nil {
log.Fatalf("Failed to open TPM: %v", err)
}
defer tpm.Close()
// Create a new AIK.
aik, err := tpm.NewAIK(nil)
if err != nil {
log.Fatalf("Failed to create AIK: %v", err)
}
defer aik.Close(tpm)
// The nonce would typically be provided by the server.
nonce := []byte{1, 2, 3, 4, 5, 6, 7, 8}
// Perform the quote & gather information necessary to verify it.
quote, err := aik.Quote(tpm, nonce, attest.HashSHA256)
if err != nil {
log.Fatalf("Failed to generate quote: %v", err)
}
pcrs, err := tpm.PCRs(attest.HashSHA256)
if err != nil {
log.Fatalf("Failed to collect PCR values: %v", err)
}
// Construct an AIKPublic struct from the parameters of the key.
pub, err := attest.ParseAIKPublic(tpm.Version(), aik.AttestationParameters().Public)
if err != nil {
log.Fatalf("Failed to parse AIK public: %v", err)
}
if err := pub.Verify(*quote, pcrs, nonce); err != nil {
log.Fatalf("Verification failed: %v", err)
}
}
func TestExampleAIKPublic(t *testing.T) {
if !*testExamples {
t.SkipNow()
}
ExampleAIKPublic_Verify()
}