Package io.jans.fido2.androind

Class AndroidKeyUtils

java.lang.Object

io.jans.fido2.androind.AndroidKeyUtils

@ApplicationScoped
public class AndroidKeyUtils
extends Object

Taken from https://github.com/googlesamples/android-key-attestation/blob/master/server/src/main/java/com/android/example/KeyAttestationExample.java

Field Summary

Fields

Modifier and Type	Field	Description
static int	ATTESTATION_CHALLENGE_INDEX
static int	ATTESTATION_SECURITY_LEVEL_INDEX
static int	ATTESTATION_VERSION_INDEX
static int	EXPECTED_ATTESTATION_VERSION
static int	HW_AUTH_FINGERPRINT
static int	HW_AUTH_PASSWORD
static String	KEY_DESCRIPTION_OID
static int	KEYMASTER_SECURITY_LEVEL_INDEX
static int	KM_ALGORITHM_EC
static int	KM_ORIGIN_GENERATED
static int	KM_PURPOSE_SIGN
static int	KM_SECURITY_LEVEL_SOFTWARE
static int	KM_SECURITY_LEVEL_TRUSTED_ENVIRONMENT
static int	KM_TAG_ALGORITHM
static int	KM_TAG_AUTH_TIMEOUT
static int	KM_TAG_KEY_SIZE
static int	KM_TAG_ORIGIN
static int	KM_TAG_PURPOSE
static int	KM_TAG_ROLLBACK_RESISTANT
static int	KM_TAG_USER_AUTH_TYPE
static int	SW_ENFORCED_INDEX
static int	TEE_ENFORCED_INDEX

Constructor Summary

Constructors

Constructor	Description
AndroidKeyUtils()

Method Summary

Modifier and Type	Method	Description
static int	bigIntegerToInt(BigInteger bigInt)
org.bouncycastle.asn1.ASN1Sequence	extractAttestationSequence(X509Certificate attestationCert)
static int	getIntegerFromAsn1(org.bouncycastle.asn1.ASN1Encodable asn1Value)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

KEY_DESCRIPTION_OID

public static final String KEY_DESCRIPTION_OID

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Constant Field Values

ATTESTATION_VERSION_INDEX

public static final int ATTESTATION_VERSION_INDEX

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Constant Field Values

ATTESTATION_SECURITY_LEVEL_INDEX

public static final int ATTESTATION_SECURITY_LEVEL_INDEX

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Constant Field Values

KEYMASTER_SECURITY_LEVEL_INDEX

public static final int KEYMASTER_SECURITY_LEVEL_INDEX

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Constant Field Values

ATTESTATION_CHALLENGE_INDEX

public static final int ATTESTATION_CHALLENGE_INDEX

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Constant Field Values

SW_ENFORCED_INDEX

public static final int SW_ENFORCED_INDEX

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Constant Field Values

TEE_ENFORCED_INDEX

public static final int TEE_ENFORCED_INDEX

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Constant Field Values

KM_TAG_PURPOSE

public static final int KM_TAG_PURPOSE

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Constant Field Values

KM_TAG_ALGORITHM

public static final int KM_TAG_ALGORITHM

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Constant Field Values

KM_TAG_KEY_SIZE

public static final int KM_TAG_KEY_SIZE

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Constant Field Values

KM_TAG_USER_AUTH_TYPE

public static final int KM_TAG_USER_AUTH_TYPE

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Constant Field Values

KM_TAG_AUTH_TIMEOUT

public static final int KM_TAG_AUTH_TIMEOUT

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Constant Field Values

KM_TAG_ORIGIN

public static final int KM_TAG_ORIGIN

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Constant Field Values

KM_TAG_ROLLBACK_RESISTANT

public static final int KM_TAG_ROLLBACK_RESISTANT

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Constant Field Values

KM_PURPOSE_SIGN

public static final int KM_PURPOSE_SIGN

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Constant Field Values

KM_ALGORITHM_EC

public static final int KM_ALGORITHM_EC

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Constant Field Values

HW_AUTH_PASSWORD

public static final int HW_AUTH_PASSWORD

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Constant Field Values

HW_AUTH_FINGERPRINT

public static final int HW_AUTH_FINGERPRINT

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Constant Field Values

KM_ORIGIN_GENERATED

public static final int KM_ORIGIN_GENERATED

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Constant Field Values

KM_SECURITY_LEVEL_SOFTWARE

public static final int KM_SECURITY_LEVEL_SOFTWARE

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Constant Field Values

KM_SECURITY_LEVEL_TRUSTED_ENVIRONMENT

public static final int KM_SECURITY_LEVEL_TRUSTED_ENVIRONMENT

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Constant Field Values

EXPECTED_ATTESTATION_VERSION

public static final int EXPECTED_ATTESTATION_VERSION

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Constant Field Values

Constructor Detail

AndroidKeyUtils

public AndroidKeyUtils()

Method Detail

getIntegerFromAsn1

public static int getIntegerFromAsn1(org.bouncycastle.asn1.ASN1Encodable asn1Value)
                              throws Exception

Throws:

Exception

bigIntegerToInt

public static int bigIntegerToInt(BigInteger bigInt)
                           throws Exception

Throws:

Exception

extractAttestationSequence

public org.bouncycastle.asn1.ASN1Sequence extractAttestationSequence(X509Certificate attestationCert)
                                                              throws Exception,
                                                                     IOException

Throws:

Exception

IOException