use of android.security.keymaster.KeymasterArguments in project android_frameworks_base by AOSPA.
the class AndroidKeyStoreKeyPairGeneratorSpi method createCertificateChain.
private Iterable<byte[]> createCertificateChain(final String privateKeyAlias, KeyPair keyPair) throws ProviderException {
byte[] challenge = mSpec.getAttestationChallenge();
if (challenge != null) {
KeymasterArguments args = new KeymasterArguments();
args.addBytes(KeymasterDefs.KM_TAG_ATTESTATION_CHALLENGE, challenge);
return getAttestationChain(privateKeyAlias, keyPair, args);
}
// Very short certificate chain in the non-attestation case.
return Collections.singleton(generateSelfSignedCertificateBytes(keyPair));
}
use of android.security.keymaster.KeymasterArguments in project android_frameworks_base by AOSPA.
the class AndroidKeyStoreKeyPairGeneratorSpi method constructKeyGenerationArguments.
private KeymasterArguments constructKeyGenerationArguments() {
KeymasterArguments args = new KeymasterArguments();
args.addUnsignedInt(KeymasterDefs.KM_TAG_KEY_SIZE, mKeySizeBits);
args.addEnum(KeymasterDefs.KM_TAG_ALGORITHM, mKeymasterAlgorithm);
args.addEnums(KeymasterDefs.KM_TAG_PURPOSE, mKeymasterPurposes);
args.addEnums(KeymasterDefs.KM_TAG_BLOCK_MODE, mKeymasterBlockModes);
args.addEnums(KeymasterDefs.KM_TAG_PADDING, mKeymasterEncryptionPaddings);
args.addEnums(KeymasterDefs.KM_TAG_PADDING, mKeymasterSignaturePaddings);
args.addEnums(KeymasterDefs.KM_TAG_DIGEST, mKeymasterDigests);
KeymasterUtils.addUserAuthArgs(args, mSpec.isUserAuthenticationRequired(), mSpec.getUserAuthenticationValidityDurationSeconds(), mSpec.isUserAuthenticationValidWhileOnBody(), mSpec.isInvalidatedByBiometricEnrollment());
args.addDateIfNotNull(KeymasterDefs.KM_TAG_ACTIVE_DATETIME, mSpec.getKeyValidityStart());
args.addDateIfNotNull(KeymasterDefs.KM_TAG_ORIGINATION_EXPIRE_DATETIME, mSpec.getKeyValidityForOriginationEnd());
args.addDateIfNotNull(KeymasterDefs.KM_TAG_USAGE_EXPIRE_DATETIME, mSpec.getKeyValidityForConsumptionEnd());
addAlgorithmSpecificParameters(args);
if (mSpec.isUniqueIdIncluded())
args.addBoolean(KeymasterDefs.KM_TAG_INCLUDE_UNIQUE_ID);
if (mSpec.isUseSecureProcessor())
args.addBoolean(KeymasterDefs.KM_TAG_USE_SECURE_PROCESSOR);
return args;
}
use of android.security.keymaster.KeymasterArguments in project android_frameworks_base by AOSPA.
the class KeyStoreTest method testAppId.
public void testAppId() throws Exception {
String name = "test";
byte[] id = new byte[] { 0x01, 0x02, 0x03 };
KeymasterArguments args = new KeymasterArguments();
args.addEnum(KeymasterDefs.KM_TAG_PURPOSE, KeymasterDefs.KM_PURPOSE_ENCRYPT);
args.addEnum(KeymasterDefs.KM_TAG_PURPOSE, KeymasterDefs.KM_PURPOSE_DECRYPT);
args.addEnum(KeymasterDefs.KM_TAG_ALGORITHM, KeymasterDefs.KM_ALGORITHM_RSA);
args.addEnum(KeymasterDefs.KM_TAG_PADDING, KeymasterDefs.KM_PAD_NONE);
args.addUnsignedInt(KeymasterDefs.KM_TAG_KEY_SIZE, 2048);
args.addEnum(KeymasterDefs.KM_TAG_BLOCK_MODE, KeymasterDefs.KM_MODE_ECB);
args.addBoolean(KeymasterDefs.KM_TAG_NO_AUTH_REQUIRED);
args.addBytes(KeymasterDefs.KM_TAG_APPLICATION_ID, id);
args.addUnsignedLong(KeymasterDefs.KM_TAG_RSA_PUBLIC_EXPONENT, RSAKeyGenParameterSpec.F4);
KeyCharacteristics outCharacteristics = new KeyCharacteristics();
int result = mKeyStore.generateKey(name, args, null, 0, outCharacteristics);
assertEquals("generateRsaKey should succeed", KeyStore.NO_ERROR, result);
assertEquals("getKeyCharacteristics should fail without application ID", KeymasterDefs.KM_ERROR_INVALID_KEY_BLOB, mKeyStore.getKeyCharacteristics(name, null, null, outCharacteristics));
assertEquals("getKeyCharacteristics should succeed with application ID", KeyStore.NO_ERROR, mKeyStore.getKeyCharacteristics(name, new KeymasterBlob(id), null, outCharacteristics));
}
use of android.security.keymaster.KeymasterArguments in project android_frameworks_base by AOSPA.
the class KeyStoreTest method testAuthNeeded.
public void testAuthNeeded() throws Exception {
String name = "test";
KeymasterArguments args = new KeymasterArguments();
args.addEnum(KeymasterDefs.KM_TAG_PURPOSE, KeymasterDefs.KM_PURPOSE_ENCRYPT);
args.addEnum(KeymasterDefs.KM_TAG_PURPOSE, KeymasterDefs.KM_PURPOSE_DECRYPT);
args.addEnum(KeymasterDefs.KM_TAG_ALGORITHM, KeymasterDefs.KM_ALGORITHM_AES);
args.addEnum(KeymasterDefs.KM_TAG_PADDING, KeymasterDefs.KM_PAD_PKCS7);
args.addUnsignedInt(KeymasterDefs.KM_TAG_KEY_SIZE, 256);
args.addEnum(KeymasterDefs.KM_TAG_BLOCK_MODE, KeymasterDefs.KM_MODE_ECB);
args.addEnum(KeymasterDefs.KM_TAG_USER_AUTH_TYPE, 1);
KeyCharacteristics outCharacteristics = new KeyCharacteristics();
int rc = mKeyStore.generateKey(name, args, null, 0, outCharacteristics);
assertEquals("Generate should succeed", KeyStore.NO_ERROR, rc);
OperationResult result = mKeyStore.begin(name, KeymasterDefs.KM_PURPOSE_ENCRYPT, true, args, null);
assertEquals("Begin should expect authorization", KeyStore.OP_AUTH_NEEDED, result.resultCode);
IBinder token = result.token;
result = mKeyStore.update(token, null, new byte[] { 0x01, 0x02, 0x03, 0x04 });
assertEquals("Update should require authorization", KeymasterDefs.KM_ERROR_KEY_USER_NOT_AUTHENTICATED, result.resultCode);
}
use of android.security.keymaster.KeymasterArguments in project android_frameworks_base by AOSPA.
the class KeyStoreTest method testAes256Ecb.
public void testAes256Ecb() throws Exception {
byte[] key = hexToBytes("603deb1015ca71be2b73aef0857d77811f352c073b6108d72d9810a30914dff4");
String name = "aes";
assertEquals(KeyStore.NO_ERROR, importAesKey(name, key, 256, KeymasterDefs.KM_MODE_ECB));
byte[][] testVectors = new byte[][] { hexToBytes("6bc1bee22e409f96e93d7e117393172a"), hexToBytes("ae2d8a571e03ac9c9eb76fac45af8e51"), hexToBytes("30c81c46a35ce411e5fbc1191a0a52ef"), hexToBytes("f69f2445df4f9b17ad2b417be66c3710") };
byte[][] cipherVectors = new byte[][] { hexToBytes("f3eed1bdb5d2a03c064b5a7e3db181f8"), hexToBytes("591ccb10d410ed26dc5ba74a31362870"), hexToBytes("b6ed21b99ca6f4f9f153e7b1beafed1d"), hexToBytes("23304b7a39f9f3ff067d8d8f9e24ecc7") };
KeymasterArguments beginArgs = new KeymasterArguments();
beginArgs.addEnum(KeymasterDefs.KM_TAG_ALGORITHM, KeymasterDefs.KM_ALGORITHM_AES);
beginArgs.addEnum(KeymasterDefs.KM_TAG_BLOCK_MODE, KeymasterDefs.KM_MODE_ECB);
beginArgs.addEnum(KeymasterDefs.KM_TAG_PADDING, KeymasterDefs.KM_PAD_NONE);
for (int i = 0; i < testVectors.length; i++) {
byte[] cipherText = doOperation(name, KeymasterDefs.KM_PURPOSE_ENCRYPT, testVectors[i], beginArgs);
MoreAsserts.assertEquals(cipherVectors[i], cipherText);
}
for (int i = 0; i < testVectors.length; i++) {
byte[] plainText = doOperation(name, KeymasterDefs.KM_PURPOSE_DECRYPT, cipherVectors[i], beginArgs);
MoreAsserts.assertEquals(testVectors[i], plainText);
}
}
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