private AttestationMechanism(AttestationMechanismType type, TpmAttestation tpm, X509Attestation x509, SymmetricKeyAttestation symmetricKey)
{
switch (type)
{
case AttestationMechanismType.Tpm:
if (tpm == null)
{
/* SRS_ATTESTATION_MECHANISM_21_013: [The constructor shall throw ProvisioningServiceClientException if the
* provided AttestationMechanismType is `TPM` but the TPM attestation is null.] */
throw new ProvisioningServiceClientException("Invalid TPM attestation mechanism.");
}
/* SRS_ATTESTATION_MECHANISM_21_014: [If the provided AttestationMechanismType is `TPM`, the constructor
* shall store the provided TPM attestation.] */
Tpm = tpm;
break;
case AttestationMechanismType.X509:
if (x509 == null)
{
/* SRS_ATTESTATION_MECHANISM_21_015: [The constructor shall throw ProvisioningServiceClientException if the
* provided AttestationMechanismType is `X509` but the X509 attestation is null.] */
throw new ProvisioningServiceClientException("Invalid X509 attestation mechanism.");
}
/* SRS_ATTESTATION_MECHANISM_21_016: [If the provided AttestationMechanismType is `X509`, the constructor
* shall store the provided X509 attestation.] */
X509 = x509;
break;
case AttestationMechanismType.None:
break;
case AttestationMechanismType.SymmetricKey:
// In some cases symmetric keys are nulled out by the service
if (symmetricKey == null)
{
SymmetricKey = new SymmetricKeyAttestation(string.Empty, string.Empty);
}
else
{
SymmetricKey = symmetricKey;
}
break;
default:
/* SRS_ATTESTATION_MECHANISM_21_017: [The constructor shall throw ProvisioningServiceClientException if the
* provided ProvisioningServiceClientException is not `TPM` or `X509`.] */
throw new ProvisioningServiceClientException("Unknown attestation mechanism.");
}
}
private AttestationMechanism(AttestationMechanismType type, TpmAttestation tpm, X509Attestation x509, SymmetricKeyAttestation symmetricKey)
{
switch (type)
{
case AttestationMechanismType.Tpm:
if (tpm == null)
{
throw new ProvisioningServiceClientException("Invalid TPM attestation mechanism.");
}
Tpm = tpm;
break;
case AttestationMechanismType.X509:
if (x509 == null)
{
throw new ProvisioningServiceClientException("Invalid X509 attestation mechanism.");
}
X509 = x509;
break;
case AttestationMechanismType.None:
break;
case AttestationMechanismType.SymmetricKey:
// In some cases symmetric keys are nulled out by the service
SymmetricKey = symmetricKey ?? new SymmetricKeyAttestation(string.Empty, string.Empty);
break;
default:
throw new ProvisioningServiceClientException("Unknown attestation mechanism.");
}
}
