Examples with Keyset com.google.crypto.tink.proto.Keyset used on opensource projects

Example 1 with Keyset

use of com.google.crypto.tink.proto.Keyset in project tink by google.

the class JsonKeysetReader method keysetFromJson.

private Keyset keysetFromJson(JSONObject json) throws JSONException {
    validateKeyset(json);
    Keyset.Builder builder = Keyset.newBuilder();
    if (json.has("primaryKeyId")) {
        builder.setPrimaryKeyId(json.getInt("primaryKeyId"));
    }
    JSONArray keys = json.getJSONArray("key");
    for (int i = 0; i < keys.length(); i++) {
        builder.addKey(keyFromJson(keys.getJSONObject(i)));
    }
    return builder.build();
}

Example 2 with Keyset

use of com.google.crypto.tink.proto.Keyset in project tink by google.

the class JsonKeysetReader method keysetFromJson.

private Keyset keysetFromJson(JsonObject json) {
    validateKeyset(json);
    Keyset.Builder builder = Keyset.newBuilder();
    if (json.has("primaryKeyId")) {
        builder.setPrimaryKeyId(json.get("primaryKeyId").getAsInt());
    }
    JsonArray keys = json.getAsJsonArray("key");
    for (int i = 0; i < keys.size(); i++) {
        builder.addKey(keyFromJson(keys.get(i).getAsJsonObject()));
    }
    return builder.build();
}

Example 3 with Keyset

use of com.google.crypto.tink.proto.Keyset in project tink by google.

the class KeysetHandle method getKeys.

/**
 * Returns the keyset data as a list of {@link KeyHandle}s.
 */
public List<KeyHandle> getKeys() {
    ArrayList<KeyHandle> result = new ArrayList<>();
    for (Keyset.Key key : keyset.getKeyList()) {
        KeyData keyData = key.getKeyData();
        result.add(new InternalKeyHandle(new ProtoKey(keyData, KeyTemplate.fromProto(key.getOutputPrefixType())), key.getStatus(), key.getKeyId()));
    }
    return Collections.unmodifiableList(result);
}

Example 4 with Keyset

use of com.google.crypto.tink.proto.Keyset in project tink by google.

the class KeysetHandle method decrypt.

/**
 * Decrypts the encrypted keyset with the {@link Aead} master key.
 */
private static Keyset decrypt(EncryptedKeyset encryptedKeyset, Aead masterKey, byte[] associatedData) throws GeneralSecurityException {
    try {
        Keyset keyset = Keyset.parseFrom(masterKey.decrypt(encryptedKeyset.getEncryptedKeyset().toByteArray(), associatedData), ExtensionRegistryLite.getEmptyRegistry());
        // check emptiness here too, in case the encrypted keys unwrapped to nothing?
        assertEnoughKeyMaterial(keyset);
        return keyset;
    } catch (@SuppressWarnings("UnusedException") InvalidProtocolBufferException e) {
        // Do not propagate InvalidProtocolBufferException to guarantee no key material is leaked
        throw new GeneralSecurityException("invalid keyset, corrupted key material");
    }
}

Example 5 with Keyset

use of com.google.crypto.tink.proto.Keyset in project tink by google.

the class JsonKeysetWriter method toJson.

private JsonObject toJson(Keyset keyset) {
    JsonObject json = new JsonObject();
    json.addProperty("primaryKeyId", toUnsignedLong(keyset.getPrimaryKeyId()));
    JsonArray keys = new JsonArray();
    for (Keyset.Key key : keyset.getKeyList()) {
        keys.add(toJson(key));
    }
    json.add("key", keys);
    return json;
}