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Make SRK/AIK templates consistent with go-tpm-tools (#58)

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This commit is contained in:
Tom D 2019-07-26 13:16:47 -07:00 committed by GitHub
parent 8f4f17e679
commit f3f08037f8
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 9 additions and 12 deletions
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2
attest/activation.go
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@ -175,7 +175,7 @@ func (p *ActivationParameters) checkTPM20AIKParameters() error {
}
// Check the signature over the attestation data verifies correctly.
pk := rsa.PublicKey{E: int(pub.RSAParameters.Exponent), N: pub.RSAParameters.Modulus}
pk := rsa.PublicKey{E: int(pub.RSAParameters.Exponent()), N: pub.RSAParameters.Modulus()}
signHashConstructor, err := pub.RSAParameters.Sign.Hash.HashConstructor()
if err != nil {
return err

11
attest/tpm.go
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@ -20,7 +20,6 @@ import (
"encoding/binary"
"fmt"
"io"
"math/big"
"strings"
"github.com/google/certificate-transparency-go/asn1"
@ -46,28 +45,27 @@ var (
aikTemplate = tpm2.Public{
Type: tpm2.AlgRSA,
NameAlg: tpm2.AlgSHA256,
Attributes: tpm2.FlagSignerDefault | tpm2.FlagNoDA,
Attributes: tpm2.FlagSignerDefault,
RSAParameters: &tpm2.RSAParams{
Sign: &tpm2.SigScheme{
Alg: tpm2.AlgRSASSA,
Hash: tpm2.AlgSHA256,
},
KeyBits: 2048,
Modulus: big.NewInt(0),
},
}
defaultSRKTemplate = tpm2.Public{
Type: tpm2.AlgRSA,
NameAlg: tpm2.AlgSHA256,
Attributes: tpm2.FlagStorageDefault,
Attributes: tpm2.FlagStorageDefault | tpm2.FlagNoDA,
RSAParameters: &tpm2.RSAParams{
Symmetric: &tpm2.SymScheme{
Alg: tpm2.AlgAES,
KeyBits: 128,
Mode: tpm2.AlgCFB,
},
KeyBits: 2048,
Modulus: big.NewInt(0),
ModulusRaw: make([]byte, 256),
KeyBits: 2048,
},
}
// Default EK template defined in:
@ -92,7 +90,6 @@ var (
Mode: tpm2.AlgCFB,
},
KeyBits: 2048,
Exponent: 0,
ModulusRaw: make([]byte, 256),
},
}

2
attest/tpm_linux.go
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@ -253,7 +253,7 @@ func (t *TPM) EKs() ([]PlatformEK, error) {
}
return []PlatformEK{
{nil, &rsa.PublicKey{E: int(pub.RSAParameters.Exponent), N: pub.RSAParameters.Modulus}},
{nil, &rsa.PublicKey{E: int(pub.RSAParameters.Exponent()), N: pub.RSAParameters.Modulus()}},
}, nil
}

2
go.mod
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@ -5,7 +5,7 @@ go 1.12
require (
github.com/golang/protobuf v1.3.1
github.com/google/certificate-transparency-go v1.0.22-0.20190605205155-41fc2ef3a2a8
github.com/google/go-tpm v0.1.2-0.20190720204220-b46f7071bbfd
github.com/google/go-tpm v0.1.2-0.20190725015402-ae6dd98980d4
github.com/google/go-tpm-tools v0.0.0-20190328013357-5d2fd7f4b3e5
github.com/google/go-tspi v0.2.1-0.20190423175329-115dea689aad
golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4 // indirect

4
go.sum
View File

@ -4,8 +4,8 @@ github.com/google/certificate-transparency-go v1.0.21 h1:Yf1aXowfZ2nuboBsg7iYGLm
github.com/google/certificate-transparency-go v1.0.21/go.mod h1:QeJfpSbVSfYc7RgB3gJFj9cbuQMMchQxrWXz8Ruopmg=
github.com/google/certificate-transparency-go v1.0.22-0.20190605205155-41fc2ef3a2a8 h1:G3Wse9lGL7PmAl2jqdr0HgwhPkGA5KHu7guIPREa7DU=
github.com/google/certificate-transparency-go v1.0.22-0.20190605205155-41fc2ef3a2a8/go.mod h1:QeJfpSbVSfYc7RgB3gJFj9cbuQMMchQxrWXz8Ruopmg=
github.com/google/go-tpm v0.1.2-0.20190720204220-b46f7071bbfd h1:vdJl7SmJKhMKpc7XTDMjYCq/hvZT2u1YzABQD1VOqeA=
github.com/google/go-tpm v0.1.2-0.20190720204220-b46f7071bbfd/go.mod h1:H9HbmUG2YgV/PHITkO7p6wxEEj/v5nlsVWIwumwH2NI=
github.com/google/go-tpm v0.1.2-0.20190725015402-ae6dd98980d4 h1:GNNkIb6NSjYfw+KvgUFW590mcgsSFihocSrbXct1sEw=
github.com/google/go-tpm v0.1.2-0.20190725015402-ae6dd98980d4/go.mod h1:H9HbmUG2YgV/PHITkO7p6wxEEj/v5nlsVWIwumwH2NI=
github.com/google/go-tpm-tools v0.0.0-20190328013357-5d2fd7f4b3e5 h1:/moKuMi+BJ+OEva3jTms88ruyRkxaZn+f9EIZoGpQeY=
github.com/google/go-tpm-tools v0.0.0-20190328013357-5d2fd7f4b3e5/go.mod h1:ApmLTU8fd5JJJ4J67y9sV16nOTR00GW2OabMwk7kSnE=
github.com/google/go-tspi v0.2.1-0.20190423175329-115dea689aad h1:LnpS22S8V1HqbxjveESGAazHhi6BX9SwI2Rij7qZcXQ=