Examples with Asn1Decoder com.android.internal.telephony.uicc.asn1.Asn1Decoder used on opensource projects

Example 6 with Asn1Decoder

use of com.android.internal.telephony.uicc.asn1.Asn1Decoder in project android_frameworks_opt_telephony by LineageOS.

the class EuiccCard method getProfile.

/**
 * Gets a profile.
 *
 * @param callback The callback to get the result.
 * @param handler The handler to run the callback.
 * @since 1.1.0 [GSMA SGP.22]
 */
public final void getProfile(String iccid, AsyncResultCallback<EuiccProfileInfo> callback, Handler handler) {
    sendApdu(newRequestProvider((RequestBuilder requestBuilder) -> requestBuilder.addStoreData(Asn1Node.newBuilder(Tags.TAG_GET_PROFILES).addChild(Asn1Node.newBuilder(Tags.TAG_CTX_COMP_0).addChildAsBytes(Tags.TAG_ICCID, IccUtils.bcdToBytes(padTrailingFs(iccid))).build()).addChildAsBytes(Tags.TAG_TAG_LIST, Tags.EUICC_PROFILE_TAGS).build().toHex())), response -> {
        List<Asn1Node> profileNodes = new Asn1Decoder(response).nextNode().getChild(Tags.TAG_CTX_COMP_0).getChildren(Tags.TAG_PROFILE_INFO);
        if (profileNodes.isEmpty()) {
            return null;
        }
        Asn1Node profileNode = profileNodes.get(0);
        String strippedIccIdString = stripTrailingFs(profileNode.getChild(Tags.TAG_ICCID).asBytes());
        EuiccProfileInfo.Builder profileBuilder = new EuiccProfileInfo.Builder(strippedIccIdString);
        buildProfile(profileNode, profileBuilder);
        return profileBuilder.build();
    }, callback, handler);
}

Example 7 with Asn1Decoder

use of com.android.internal.telephony.uicc.asn1.Asn1Decoder in project android_frameworks_opt_telephony by LineageOS.

the class EuiccSpecVersion method fromOpenChannelResponse.

/**
 * Parses the response of opening a logical channel to get spec version of the eUICC card.
 *
 * @return Parsed spec version. If any error is encountered, null will be returned.
 */
public static EuiccSpecVersion fromOpenChannelResponse(byte[] response) {
    Asn1Node node;
    try {
        Asn1Decoder decoder = new Asn1Decoder(response);
        if (!decoder.hasNextNode()) {
            return null;
        }
        node = decoder.nextNode();
    } catch (InvalidAsn1DataException e) {
        Rlog.e(LOG_TAG, "Cannot parse the select response of ISD-R.", e);
        return null;
    }
    try {
        byte[] versionType;
        if (node.getTag() == TAG_ISD_R_APP_TEMPLATE) {
            versionType = node.getChild(TAG_VERSION).asBytes();
        } else {
            versionType = node.getChild(TAG_ISD_R_APP_TEMPLATE, TAG_VERSION).asBytes();
        }
        if (versionType.length == 3) {
            return new EuiccSpecVersion(versionType);
        } else {
            Rlog.e(LOG_TAG, "Cannot parse select response of ISD-R: " + node.toHex());
        }
    } catch (InvalidAsn1DataException | TagNotFoundException e) {
        Rlog.e(LOG_TAG, "Cannot parse select response of ISD-R: " + node.toHex());
    }
    return null;
}

Example 8 with Asn1Decoder

use of com.android.internal.telephony.uicc.asn1.Asn1Decoder in project android_frameworks_opt_telephony by LineageOS.

the class EuiccCard method getAllProfiles.

/**
 * Gets a list of user-visible profiles.
 *
 * @param callback The callback to get the result.
 * @param handler The handler to run the callback.
 * @since 1.1.0 [GSMA SGP.22]
 */
public void getAllProfiles(AsyncResultCallback<EuiccProfileInfo[]> callback, Handler handler) {
    sendApdu(newRequestProvider((RequestBuilder requestBuilder) -> requestBuilder.addStoreData(Asn1Node.newBuilder(Tags.TAG_GET_PROFILES).addChildAsBytes(Tags.TAG_TAG_LIST, Tags.EUICC_PROFILE_TAGS).build().toHex())), response -> {
        List<Asn1Node> profileNodes = new Asn1Decoder(response).nextNode().getChild(Tags.TAG_CTX_COMP_0).getChildren(Tags.TAG_PROFILE_INFO);
        int size = profileNodes.size();
        EuiccProfileInfo[] profiles = new EuiccProfileInfo[size];
        int profileCount = 0;
        for (int i = 0; i < size; i++) {
            Asn1Node profileNode = profileNodes.get(i);
            if (!profileNode.hasChild(Tags.TAG_ICCID)) {
                loge("Profile must have an ICCID.");
                continue;
            }
            String strippedIccIdString = stripTrailingFs(profileNode.getChild(Tags.TAG_ICCID).asBytes());
            EuiccProfileInfo.Builder profileBuilder = new EuiccProfileInfo.Builder(strippedIccIdString);
            buildProfile(profileNode, profileBuilder);
            EuiccProfileInfo profile = profileBuilder.build();
            profiles[profileCount++] = profile;
        }
        return profiles;
    }, callback, handler);
}

Example 9 with Asn1Decoder

use of com.android.internal.telephony.uicc.asn1.Asn1Decoder in project android_frameworks_opt_telephony by LineageOS.

the class Asn1DecoderTest method testEmptyData.

@SmallTest
@Test
public void testEmptyData() throws TagNotFoundException, InvalidAsn1DataException {
    String hex = "e3025a00e3025a00";
    Asn1Decoder decoder = new Asn1Decoder(hex);
    assertEquals(0, decoder.getPosition());
    assertTrue(decoder.hasNextNode());
    Asn1Node firstRoot = decoder.nextNode();
    assertEquals(hex.length() / 4, decoder.getPosition());
    assertTrue(firstRoot.isConstructed());
    assertEquals(0xE3, firstRoot.getTag());
    Asn1Node childOfFirst = firstRoot.getChild(0x5A);
    assertNotNull(childOfFirst);
    assertFalse(childOfFirst.isConstructed());
    assertEquals(0x5A, childOfFirst.getTag());
    assertTrue(childOfFirst.hasValue());
    assertArrayEquals(new byte[] {}, childOfFirst.asBytes());
    assertTrue(decoder.hasNextNode());
    Asn1Node secondRoot = decoder.nextNode();
    assertEquals(hex.length() / 2, decoder.getPosition());
    assertTrue(secondRoot.isConstructed());
    assertEquals(0xE3, secondRoot.getTag());
    Asn1Node childOfSecond = secondRoot.getChild(0x5A);
    assertNotNull(childOfSecond);
    assertFalse(childOfSecond.isConstructed());
    assertEquals(0x5A, childOfSecond.getTag());
    assertTrue(childOfSecond.hasValue());
    assertArrayEquals(new byte[] {}, childOfSecond.asBytes());
    assertFalse(decoder.hasNextNode());
    assertEquals(hex.length() / 2, decoder.getPosition());
}

Example 10 with Asn1Decoder

use of com.android.internal.telephony.uicc.asn1.Asn1Decoder in project android_frameworks_opt_telephony by LineageOS.

the class Asn1DecoderTest method testLongFormLength.

@SmallTest
@Test
public void testLongFormLength() throws TagNotFoundException, InvalidAsn1DataException {
    String hex = "bf37075a820003010203";
    Asn1Decoder decoder = new Asn1Decoder(hex);
    assertTrue(decoder.hasNextNode());
    Asn1Node root = decoder.nextNode();
    assertTrue(root.isConstructed());
    assertEquals(0xBF37, root.getTag());
    assertEquals(10, root.getEncodedLength());
    assertTrue(root.isConstructed());
    Asn1Node node = root.getChild(0x5A);
    assertEquals(5, node.getEncodedLength());
    assertArrayEquals(new byte[] { 1, 2, 3 }, node.asBytes());
}