package org.bouncycastle.openpgp.test;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.security.NoSuchProviderException;
import java.security.Security;
import java.security.SignatureException;
import java.util.Date;
import java.util.Iterator;

import org.bouncycastle.bcpg.CompressionAlgorithmTags;
import org.bouncycastle.bcpg.HashAlgorithmTags;
import org.bouncycastle.bcpg.PublicKeyAlgorithmTags;
import org.bouncycastle.bcpg.SignatureSubpacketTags;
import org.bouncycastle.bcpg.SymmetricKeyAlgorithmTags;
import org.bouncycastle.bcpg.sig.KeyFlags;
import org.bouncycastle.bcpg.sig.NotationData;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPLiteralData;
import org.bouncycastle.openpgp.PGPLiteralDataGenerator;
import org.bouncycastle.openpgp.PGPOnePassSignature;
import org.bouncycastle.openpgp.PGPOnePassSignatureList;
import org.bouncycastle.openpgp.PGPPrivateKey;
import org.bouncycastle.openpgp.PGPPublicKey;
import org.bouncycastle.openpgp.PGPPublicKeyRing;
import org.bouncycastle.openpgp.PGPSecretKey;
import org.bouncycastle.openpgp.PGPSecretKeyRing;
import org.bouncycastle.openpgp.PGPSignature;
import org.bouncycastle.openpgp.PGPSignatureGenerator;
import org.bouncycastle.openpgp.PGPSignatureList;
import org.bouncycastle.openpgp.PGPSignatureSubpacketGenerator;
import org.bouncycastle.openpgp.PGPSignatureSubpacketVector;
import org.bouncycastle.openpgp.PGPUserAttributeSubpacketVector;
import org.bouncycastle.openpgp.PGPV3SignatureGenerator;
import org.bouncycastle.openpgp.jcajce.JcaPGPObjectFactory;
import org.bouncycastle.openpgp.operator.bc.BcKeyFingerprintCalculator;
import org.bouncycastle.openpgp.operator.bc.BcPGPContentVerifierBuilderProvider;
import org.bouncycastle.openpgp.operator.jcajce.JcaKeyFingerprintCalculator;
import org.bouncycastle.openpgp.operator.jcajce.JcaPGPContentSignerBuilder;
import org.bouncycastle.openpgp.operator.jcajce.JcaPGPContentVerifierBuilderProvider;
import org.bouncycastle.openpgp.operator.jcajce.JcePBESecretKeyDecryptorBuilder;
import org.bouncycastle.util.encoders.Base64;
import org.bouncycastle.util.io.Streams;
import org.bouncycastle.util.test.SimpleTest;
import org.bouncycastle.util.test.UncloseableOutputStream;

public class PGPSignatureTest
    extends SimpleTest
{
    private static final int[] NO_PREFERENCES = null;
    private static final int[] PREFERRED_SYMMETRIC_ALGORITHMS = new int[] { SymmetricKeyAlgorithmTags.AES_128, SymmetricKeyAlgorithmTags.TRIPLE_DES };
    private static final int[] PREFERRED_HASH_ALGORITHMS = new int[] { HashAlgorithmTags.SHA1, HashAlgorithmTags.SHA256 };
    private static final int[] PREFERRED_COMPRESSION_ALGORITHMS = new int[] { CompressionAlgorithmTags.ZLIB };
    
    private static final int TEST_EXPIRATION_TIME = 10000;
    private static final String TEST_USER_ID = "test user id";
    private static final byte[] TEST_DATA = "hello world!\nhello world!\n".getBytes();
    private static final byte[] TEST_DATA_WITH_CRLF = "hello world!\r\nhello world!\r\n".getBytes();

    byte[] dsaKeyRing = Base64.decode(
          "lQHhBD9HBzURBACzkxRCVGJg5+Ld9DU4Xpnd4LCKgMq7YOY7Gi0EgK92gbaa6+zQ"
        + "oQFqz1tt3QUmpz3YVkm/zLESBBtC1ACIXGggUdFMUr5I87+1Cb6vzefAtGt8N5VV"
        + "1F/MXv1gJz4Bu6HyxL/ncfe71jsNhav0i4yAjf2etWFj53zK6R+Ojg5H6wCgpL9/"
        + "tXVfGP8SqFvyrN/437MlFSUEAIN3V6j/MUllyrZglrtr2+RWIwRrG/ACmrF6hTug"
        + "Ol4cQxaDYNcntXbhlTlJs9MxjTH3xxzylyirCyq7HzGJxZzSt6FTeh1DFYzhJ7Qu"
        + "YR1xrSdA6Y0mUv0ixD5A4nPHjupQ5QCqHGeRfFD/oHzD4zqBnJp/BJ3LvQ66bERJ"
        + "mKl5A/4uj3HoVxpb0vvyENfRqKMmGBISycY4MoH5uWfb23FffsT9r9KL6nJ4syLz"
        + "aRR0gvcbcjkc9Z3epI7gr3jTrb4d8WPxsDbT/W1tv9bG/EHawomLcihtuUU68Uej"
        + "6/wZot1XJqu2nQlku57+M/V2X1y26VKsipolPfja4uyBOOyvbP4DAwIDIBTxWjkC"
        + "GGAWQO2jy9CTvLHJEoTO7moHrp1FxOVpQ8iJHyRqZzLllO26OzgohbiPYz8u9qCu"
        + "lZ9Xn7QzRXJpYyBFY2hpZG5hIChEU0EgVGVzdCBLZXkpIDxlcmljQGJvdW5jeWNh"
        + "c3RsZS5vcmc+iFkEExECABkFAj9HBzUECwcDAgMVAgMDFgIBAh4BAheAAAoJEM0j"
        + "9enEyjRDAlwAnjTjjt57NKIgyym7OTCwzIU3xgFpAJ0VO5m5PfQKmGJRhaewLSZD"
        + "4nXkHg==");
    
    char[]    dsaPass = "hello world".toCharArray();

    byte[]    rsaKeyRing = Base64.decode(
          "lQIEBEBXUNMBBADScQczBibewnbCzCswc/9ut8R0fwlltBRxMW0NMdKJY2LF"
        + "7k2COeLOCIU95loJGV6ulbpDCXEO2Jyq8/qGw1qD3SCZNXxKs3GS8Iyh9Uwd"
        + "VL07nMMYl5NiQRsFB7wOb86+94tYWgvikVA5BRP5y3+O3GItnXnpWSJyREUy"
        + "6WI2QQAGKf4JAwIVmnRs4jtTX2DD05zy2mepEQ8bsqVAKIx7lEwvMVNcvg4Y"
        + "8vFLh9Mf/uNciwL4Se/ehfKQ/AT0JmBZduYMqRU2zhiBmxj4cXUQ0s36ysj7"
        + "fyDngGocDnM3cwPxaTF1ZRBQHSLewP7dqE7M73usFSz8vwD/0xNOHFRLKbsO"
        + "RqDlLA1Cg2Yd0wWPS0o7+qqk9ndqrjjSwMM8ftnzFGjShAdg4Ca7fFkcNePP"
        + "/rrwIH472FuRb7RbWzwXA4+4ZBdl8D4An0dwtfvAO+jCZSrLjmSpxEOveJxY"
        + "GduyR4IA4lemvAG51YHTHd4NXheuEqsIkn1yarwaaj47lFPnxNOElOREMdZb"
        + "nkWQb1jfgqO24imEZgrLMkK9bJfoDnlF4k6r6hZOp5FSFvc5kJB4cVo1QJl4"
        + "pwCSdoU6luwCggrlZhDnkGCSuQUUW45NE7Br22NGqn4/gHs0KCsWbAezApGj"
        + "qYUCfX1bcpPzUMzUlBaD5rz2vPeO58CDtBJ0ZXN0ZXIgPHRlc3RAdGVzdD6I"
        + "sgQTAQIAHAUCQFdQ0wIbAwQLBwMCAxUCAwMWAgECHgECF4AACgkQs8JyyQfH"
        + "97I1QgP8Cd+35maM2cbWV9iVRO+c5456KDi3oIUSNdPf1NQrCAtJqEUhmMSt"
        + "QbdiaFEkPrORISI/2htXruYn0aIpkCfbUheHOu0sef7s6pHmI2kOQPzR+C/j"
        + "8D9QvWsPOOso81KU2axUY8zIer64Uzqc4szMIlLw06c8vea27RfgjBpSCryw"
        + "AgAA");

    char[]    rsaPass = "2002 Buffalo Sabres".toCharArray();

    byte[]    nullPacketsSubKeyBinding = Base64.decode(
            "iDYEGBECAAAAACp9AJ9PlJCrFpi+INwG7z61eku2Wg1HaQCgl33X5Egj+Kf7F9CXIWj2iFCvQDo=");

    byte[]   okAttr =
        Base64.decode(
            "mQENBFOkuoMBCAC+8WcWLBZovlR5pLW4tbOoH3APia+poMEeTNkXKe8yAH0f"
          + "ZmTQgeXFBIizd4Ka1QETbayv+C6Axt6Ipdwf+3N/lqcOqg6PEwuIX4MBrv5R"
          + "ILMH5QyM3a3RlyXa7xES3I9t2VHiZvl15OrTZe67YNGtxlXyeawt6v/9d/a3"
          + "M1EaUzjN4H2EfI3P/VWpMUvQkn70996UKInOyaSB0hef/QS10jshG9DdgmLM"
          + "1/mJFRp8ynZOV4yGLnAdoEoPGG/HJZEzWfqOiwmWZOIrZIwedY1eKuMIhUGv"
          + "LTC9u+9X0h+Y0st5eb1pf8OLvrpRpEyHMrxXfj/V3rxom4d160ifGihPABEB"
          + "AAG0GndpdGggYXR0dHIgPGF0dHJAYXR0ci5uZXQ+iQE4BBMBAgAiBQJTpLqD"
          + "AhsDBgsJCAcDAgYVCAIJCgsEFgIDAQIeAQIXgAAKCRBCjbg0bKVgCXJiB/wO"
          + "6ksdrAy+zVxygFhk6Ju2vpMAOGnLl1nqBVT1mA5XiJu3rSiJmROLF2l21K0M"
          + "BICZfz+mjIwN56RZNzZnEmXk/E2+PgADV5VTRRsjqlyoeN/NrLWuTm9FyngJ"
          + "f96jVPysN6FzYRUB5Fuys57P+nu0RMoLGkHmQhp4L5hgNJTBy1SRnXukoIgJ"
          + "2Ra3EBQ7dBrzuWW1ycwU5acfOoxfcVqgXkiXaxgvujFChZGWT6djbnbbzlMm"
          + "sMKr6POKChEPWo1HJXXz1OaPsd75JA8bImgnrHhB3dHhD2wIqzQrtTxvraqz"
          + "ZWWR2xYZPltzBSlaAdn8Hf0GGBoMhutb3tJLzbAX0cybzJkBEAABAQAAAAAA"
          + "AAAAAAAAAP/Y/+AAEEpGSUYAAQEAAAEAAQAA/9sAQwAKBwcIBwYKCAgICwoK"
          + "Cw4YEA4NDQ4dFRYRGCMfJSQiHyIhJis3LyYpNCkhIjBBMTQ5Oz4+PiUuRElD"
          + "PEg3PT47/9sAQwEKCwsODQ4cEBAcOygiKDs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7"
          + "Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7Ozs7/8AAEQgAkAB4AwEiAAIR"
          + "AQMRAf/EAB8AAAEFAQEBAQEBAAAAAAAAAAABAgMEBQYHCAkKC//EALUQAAIB"
          + "AwMCBAMFBQQEAAABfQECAwAEEQUSITFBBhNRYQcicRQygZGhCCNCscEVUtHw"
          + "JDNicoIJChYXGBkaJSYnKCkqNDU2Nzg5OkNERUZHSElKU1RVVldYWVpjZGVm"
          + "Z2hpanN0dXZ3eHl6g4SFhoeIiYqSk5SVlpeYmZqio6Slpqeoqaqys7S1tre4"
          + "ubrCw8TFxsfIycrS09TV1tfY2drh4uPk5ebn6Onq8fLz9PX29/j5+v/EAB8B"
          + "AAMBAQEBAQEBAQEAAAAAAAABAgMEBQYHCAkKC//EALURAAIBAgQEAwQHBQQE"
          + "AAECdwABAgMRBAUhMQYSQVEHYXETIjKBCBRCkaGxwQkjM1LwFWJy0QoWJDTh"
          + "JfEXGBkaJicoKSo1Njc4OTpDREVGR0hJSlNUVVZXWFlaY2RlZmdoaWpzdHV2"
          + "d3h5eoKDhIWGh4iJipKTlJWWl5iZmqKjpKWmp6ipqrKztLW2t7i5usLDxMXG"
          + "x8jJytLT1NXW19jZ2uLj5OXm5+jp6vLz9PX29/j5+v/aAAwDAQACEQMRAD8A"
          + "9moqtf30Gm2cl3cvtijGSa4a++LNlGStlZvKR0ZuBWkKU6nwomU4x3PQqK8g"
          + "uPinrEzYhhihX86ns/Ffia/XzElJUHOV4/rW/wBUqJXlZEe2i9j1iivMP+Ex"
          + "1q3+/KCw6gip4PiXdREC5tUkHcrwaTwlVbK4e1iekUVzmheNdO1ycWyK8U5G"
          + "drf410QOa55RcXaSNE09ULRRRUjCiiigAooooAKKKKAOY+IblfCN1g9cA/rX"
          + "h1fQPiXT4dU0o2dwXEcrclCARgE8ZB9K4J/AGkKeJr38ZU/+Ir0MLiIUoNSO"
          + "erTlJ3R54v3hXpfg3UdNGmrHPMsToOc9+KrQeBdAd2SS7vkYdPnX/wCIqy3g"
          + "fRoThb+9GP8AaQ/+yVdavRqxs2yYU5wdzH164t57+V7XHlZOCOh5rn5n5Ndr"
          + "J4U0xBt/tC8x16p/8RTP+EK0uRQ32q9IPfzE/wDiKuGKpRSSYnSm3c5/wjP5"
          + "XiKFywUDqScelevR6/pCR4k1S0DDqPOXI/WvPLjwdplpbtPG9zI6so2yspU5"
          + "YDoFHrW7pOmRWpEiqVyuPlHH41xYmpGpPmibU4uKszqY9f0aZtseq2bN6eeu"
          + "f51fVldQyMGU9CDkGueMCOpxtYe3NYWoabJJOZrWV7V1yFe1cxnH1HX8a57G"
          + "lz0CiuFg8U6rpjql2PtkXTMgCv8Agw4/MfjXU6VrthrCH7NKRIoy8LjDr+Hp"
          + "7jIosFzRooopDCiiigClqXKRD1c/+gtWPLFitnUfuRH/AG//AGUiqDKGFAzA"
          + "mFzG7rGhAJJyB604XtzGGjeAuD3GR2x260t1fTJf3EChAsLKo+XOcorZP/fV"
          + "Qm8lPXZ/3yKLCJDPIBsjUjIHUewFWoYWS2jDDBArPN1IQR8o/wCAirdvcERw"
          + "u33ZYkdgOgLKCcfnRYBL0f8AEvmz6x/+jUqxbzyCLCKoC92NRaiMWLkHhmj/"
          + "AB+dTWlarutdoIXI64oQETXJ25MbA9DsolCEY4zjpVswL5QXgMB1xWZMRDIy"
          + "woJn6HnAWmIzb+GZyyIisD0Vl4Nc5I0ulXSO8zQtnMTrkGM/71dVNpufnMkm"
          + "7Odwfmqd5CGi8tuQB0b5v51SEzf8M+Kl1QixvdqXoHysOFmA7j0PqPxHoOlr"
          + "xm5DROrRkxvGQVZOCpHQivSPCfiEa9px80gXlvhZ1Hf0Yex/mDRKNtQTN6ii"
          + "ioKKmoD9zGfSVf1OP61QrUuovOgZM4PBB9CDkH865PxJrVx4d057yS0inAcI"
          + "qq5TJJ+hoAqXg/4m9/8A9dU/9FR1CRUGlan/AG7Fcal9n+z+dNjy9+/btRV6"
          + "4GemelWiKoRHVuIf6Ha/9e0X/oC1VIrIt/FtxNGsFtoxk+zoITI1zhWKjbn7"
          + "vt0zSYzfvJSLAIennIB+p/pWtZy4hXmuQa71fUzGhtre1jR920MXLHGMk+2T"
          + "6da1oZb22ULM6FDwGCkHNFhGzNqCbjAmXkPGF7VJFAkEQHBNQWkMUcQIwc85"
          + "9fepJJeOtNIVyK4bg1jXjda0LiTg1k3b9atEsxr3qai0LWDoOvQXpYiEny5x"
          + "6oep/Dg/hT7s9ayLoZVs1VriPeQcjIorC8F37ah4Vs3kbdLCvkyexXjn3xg/"
          + "jRWBqb1ee/FqYLpun24P+snLMPoOK9Crzb4uKQumSfwl2H44qo7iexB4JQHR"
          + "wCMj7Q39K2roRRXTkqPLU8iuB8NFl8S6ftdgrSHIycH5T2rvb8b2uap6MS1R"
          + "DJcWsq7YUCt65J4rA0FUCHKjh2/9CNYfjDUSkS2lskrlHDTSR/8ALPjocUaH"
          + "4msUtVjCM0qLyqkAH8TyKSBnoELoOgFJf3VoITFcTBNy546gevtzXM6Rqd3f"
          + "akWadyigsYw3y+gAH410O/PDZHHcU7E3LWnXED2SC2nE0ajG4HJ/GpJJeOtY"
          + "lxYpJdxXMcssLxkE+SwXdj14qrf6jrP22SK0t4RFkFZZMYx/n8aANieXg1mX"
          + "MnWla5lKRCSMFmB8xoz8qHHvzg1TnlzVIRTuW61l3MyQRSTuNwjXdt9T2FXZ"
          + "3zWfcRpPG8Mn3JBtJ9PQ/nVCO7+Dl49z4f1BJG3Mt6XJ/wB5V/woqD4LwvDp"
          + "urK45W5VT9QtFYPc1Wx6VXDfFi0M3hmG6A5trhSfoRj/AAruaz9d01dY0O80"
          + "9v8AlvEVX2bt+uKFowZ4z4Zbd4h04/8ATRv/AEBq7+T53ufrXnXhffF4ls4J"
          + "QVkildWB7EKwNehwnfLcD/aFXLcUThGs5bDUpYrgFWZ2dGHR1J6ip57C0voR"
          + "HcQq6htwI+Ug4xkEVo+MJ0jksrYA+ZuMhPouMfzP6VnQyEqKqOqJejMmfSr/"
          + "AE8NNbzC6hjG7aQVlA/kcVueFtR+12Mrpceagk4Abdt4/rUiMeOeaqS6UhuV"
          + "ubSaWymxtdrbC+YvoR6+9FhHRPcCNGaRgiqNzFjgAVmya/pYkZftSnH8QQlT"
          + "9D3rmdbefT4o7KO6ne3ky+yV9xBB9euO+Kw2mfruNAj0OW8t/K837TB5eM7/"
          + "ADBjFVp3IAOQQwyCDkEexrz95W9vrirula1LYyiOQu9s2Q0YPT3GehpgdJK2"
          + "apzt8hottQgv1k8pZEeMZIYg5GcZyKjuFkkKQxKXklYKijqSeAKdwPUvhdbe"
          + "X4ZmutpH2y7eUZ9AAv8ANTRXSaJpqaPotnpyYP2eIKxHdv4j+JyaKwe5qi/R"
          + "RRSGeaeJ/Dx03x7Yavbr/o967eZj+GQI38xz+dXdPffczD1cVu+Lzi0tT6Tj"
          + "/wBBNc3oz7r5x6uKroIwPFt5BeazFbQKGa1BWSQdycfL+GP1qCCPgU3+yprC"
          + "/ltrpcSqxOezAnhge9aMNv04rRaIh7jEiNSSFLeF55c7I1LNjrgVcjt/alu9"
          + "O+12U1uSUEqFNyjlcjrRcVjzzVL6bU5xJIioqjCIo4Uf1NUDEfStiXTLizuH"
          + "tboL5qc7l6OvZhTTZ+1K4WMZoSe1NFuSelbP2M9xT47As2FXJp3FYqaUptJ2"
          + "fZu3IVwSR1r0L4f6FHqmsf2w8bC3sjhA2CGlx29duc/UisHQ/DlzreoiwtPl"
          + "24NxPjKwL/Vj2H9K9m07T7bStPhsbOPy4IV2qO/uT6knkmoky4otUUUVBYUU"
          + "UUAc54yP+hWv/XwB+hrntOTyNbSP+84rs9Z04ajaqu7a8bh0OMjI9a5O6gvo"
          + "b3zjZAuDwyOMfryKaegEHjZTYva6qV8yFf3MqKMsueQw9uDmq+nPZahGJLSd"
          + "Hz2zyKsXEOpagyC4IWOM5WNOmfUnuaxtT8NOJPtFoGt5uu6PjP4U0xNHSx2b"
          + "jtmrC2p/u1xEOr+J9MO1sXCj++OavxeO9Tj4m0vJ9jTuI09c8NrqUavGfKuI"
          + "/wDVyhc49iO4rnToV/A/lXCI5xkPGCFI/HvWhL491BhiLSufc1l6hrXiTVZQ"
          + "IALaPGOFyfc0gHzadBZxGW9nSFBydxp+nafPrEii0RrOyP3rmRfncf7Cn+Z/"
          + "Wo9K8NXEl0Lm+L3EgOQZTux9K7W0s5BgYNFwsbOg2tlpVilnYxCOMHJ7s7Hq"
          + "xPc1sqcjNZNnbsuM1qoMLUlD6KKKACiiigBCM1E9tG55UVNRQBWNlF2UVC+m"
          + "xP8Aw1fooAx5NDgfqg/KoG8N2p/5ZL+Vb9FAHPjw1ag/6pfyqZNBt06IPyra"
          + "ooAzU0qJOiirCWcadBVqigBixhegp1LRQAUUUUAf/9mJATgEEwECACIFAlOk"
          + "xL4CGwMGCwkIBwMCBhUIAgkKCwQWAgMBAh4BAheAAAoJEEKNuDRspWAJhi8I"
          + "AKhIemGlaKtuZxBA4bQcJOy/ZdGJriJuu3OQl2m6CAwxaGMncpxHFVTT6GqI"
          + "Vu4/b4SSwYP1pI24MqAkdEudjFSi15ByogPFpUoDJC44zrO64b/mv3L5iq1C"
          + "PY+VvgLMAdvA3Tsoj/rNYlD0fieBa9EF8BtoAkaA4X6pihNPGsVe0AxlJhQw"
          + "eMgLXwTjllJm1iWa/fEQvv5Uk01gzayH1TIwkNAJ0E8s6Ontu2szUHjFGRNA"
          + "llR5OJzt/loo9p53zWddFfxlCfn2w+smHyB4i+FfpQfFSMLnwew7wncHs6XE"
          + "PevLPcW66T3w2/oMd0fC7GwhnCiebDYjl8ymF+4b0N65AQ0EU6S6gwEIAOAC"
          + "NRzXH0dc5wwkucFdTMs1nxr16y+Kk3zF3R21OkHLHazXVC7ZP2HurTFGd5VP"
          + "Yd+vv0CrYHCjjMu0lIeMfTlpJswvJRBxVw8vIVLpOSqxtJS+zysE8/LpKw6i"
          + "ti51ydalhm6VYGPm+OAoAAO1pLriwR132caoye5vqxGKEUCmkaNLl8LCljyH"
          + "kMgL5nQr+7cerTcGd2MaC8Y5vQuZBpVVBZcVt004iP3bCJu2l2RKskIoSysC"
          + "68bqV4XLMnoVeM97VPdwdb0Y7tGXCW8YodN8ni43YOaQxfr7fHx8nyzQ5S8w"
          + "a701GKWcQqCb0DR1ngCRAgWLzj8HDlZoofPL8d0AEQEAAYkBHwQYAQIACQUC"
          + "U6S6gwIbDAAKCRBCjbg0bKVgCWPSB/wN9Z5ayWiox5xxouAQv4W2JZGPiqk8"
          + "nFF5fzSgQxV4Xo63IaC1bD8411pgRlj1aWtt8pvWjEW9WWxvyPnkz0xldErb"
          + "NRZ9482TknY0dsrbmg6jwLOlNvLhLVhWUWt+DkH20daVCADV/0p2/2OPodn+"
          + "MYnueL5ljoJxzTO84WMz1u7qumMdX4EcLAFblelmPsGiNsnGabc148+TgYZI"
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          + "0GvLdt0Lx24c"
        );

    byte[] attrLongLength =
        Base64.decode(
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          + "ci5wZ3AuY29tBRsDAAAAAxYCAQUeAQAAAAASCRCXELibyletfAdlR1BHAAEB"
          + "SBIH/j+RGcMuHmVoZq4+XbmCunnbft4T0Ta4o6mxNkc6wk5P9PpcE9ixztjV"
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          + "33HgjrOlL8uJNbhlZ5NeILcxHqGTHji+5wMEDBjfNT/C6m0=");

    public void performTest()
        throws Exception
    {
        //
        // RSA tests
        //
        PGPSecretKeyRing pgpPriv = new PGPSecretKeyRing(rsaKeyRing, new JcaKeyFingerprintCalculator());
        PGPSecretKey secretKey = pgpPriv.getSecretKey();
        PGPPrivateKey pgpPrivKey = secretKey.extractPrivateKey(new JcePBESecretKeyDecryptorBuilder().setProvider("BC").build(rsaPass));

        try
        {
            testSig(PublicKeyAlgorithmTags.DSA, HashAlgorithmTags.SHA1, secretKey.getPublicKey(), pgpPrivKey);

            fail("RSA wrong key test failed.");
        }
        catch (PGPException e)
        {
            // expected
        }

        try
        {
            testSigV3(PublicKeyAlgorithmTags.DSA, HashAlgorithmTags.SHA1, secretKey.getPublicKey(), pgpPrivKey);

            fail("RSA V3 wrong key test failed.");
        }
        catch (PGPException e)
        {
            // expected
        }

        //
        // certifications
        //
        PGPSignatureGenerator sGen = new PGPSignatureGenerator(new JcaPGPContentSignerBuilder(PublicKeyAlgorithmTags.RSA_GENERAL, HashAlgorithmTags.SHA1).setProvider("BC"));

        sGen.init(PGPSignature.KEY_REVOCATION, pgpPrivKey);

        PGPSignature sig = sGen.generateCertification(secretKey.getPublicKey());

        sig.init(new JcaPGPContentVerifierBuilderProvider().setProvider("BC"), secretKey.getPublicKey());

        if (!sig.verifyCertification(secretKey.getPublicKey()))
        {
            fail("revocation verification failed.");
        }

        PGPSecretKeyRing pgpDSAPriv = new PGPSecretKeyRing(dsaKeyRing, new JcaKeyFingerprintCalculator());
        PGPSecretKey secretDSAKey = pgpDSAPriv.getSecretKey();
        PGPPrivateKey pgpPrivDSAKey = secretDSAKey.extractPrivateKey(new JcePBESecretKeyDecryptorBuilder().setProvider("BC").build(dsaPass));

        sGen = new PGPSignatureGenerator(new JcaPGPContentSignerBuilder(PublicKeyAlgorithmTags.DSA, HashAlgorithmTags.SHA1).setProvider("BC"));

        sGen.init(PGPSignature.SUBKEY_BINDING, pgpPrivDSAKey);

        PGPSignatureSubpacketGenerator    unhashedGen = new PGPSignatureSubpacketGenerator();
        PGPSignatureSubpacketGenerator    hashedGen = new PGPSignatureSubpacketGenerator();

        hashedGen.setSignatureExpirationTime(false, TEST_EXPIRATION_TIME);
        hashedGen.setSignerUserID(true, TEST_USER_ID);
        hashedGen.setPreferredCompressionAlgorithms(false, PREFERRED_COMPRESSION_ALGORITHMS);
        hashedGen.setPreferredHashAlgorithms(false, PREFERRED_HASH_ALGORITHMS);
        hashedGen.setPreferredSymmetricAlgorithms(false, PREFERRED_SYMMETRIC_ALGORITHMS);

        sGen.setHashedSubpackets(hashedGen.generate());
        sGen.setUnhashedSubpackets(unhashedGen.generate());

        sig = sGen.generateCertification(secretDSAKey.getPublicKey(), secretKey.getPublicKey());

        byte[] sigBytes = sig.getEncoded();

        JcaPGPObjectFactory f = new JcaPGPObjectFactory(sigBytes);

        sig = ((PGPSignatureList) f.nextObject()).get(0);

        sig.init(new JcaPGPContentVerifierBuilderProvider().setProvider("BC"), secretDSAKey.getPublicKey());

        if (!sig.verifyCertification(secretDSAKey.getPublicKey(), secretKey.getPublicKey()))
        {
            fail("subkey binding verification failed.");
        }

        PGPSignatureSubpacketVector hashedPcks = sig.getHashedSubPackets();
        PGPSignatureSubpacketVector unhashedPcks = sig.getUnhashedSubPackets();

        if (hashedPcks.size() != 6)
        {
            fail("wrong number of hashed packets found.");
        }

        if (unhashedPcks.size() != 1)
        {
            fail("wrong number of unhashed packets found.");
        }

        if (!hashedPcks.getSignerUserID().equals(TEST_USER_ID))
        {
            fail("test userid not matching");
        }

        if (hashedPcks.getSignatureExpirationTime() != TEST_EXPIRATION_TIME)
        {
            fail("test signature expiration time not matching");
        }

        if (unhashedPcks.getIssuerKeyID() != secretDSAKey.getKeyID())
        {
            fail("wrong issuer key ID found in certification");
        }

        int[] prefAlgs = hashedPcks.getPreferredCompressionAlgorithms();
        preferredAlgorithmCheck("compression", PREFERRED_COMPRESSION_ALGORITHMS, prefAlgs);

        prefAlgs = hashedPcks.getPreferredHashAlgorithms();
        preferredAlgorithmCheck("hash", PREFERRED_HASH_ALGORITHMS, prefAlgs);

        prefAlgs = hashedPcks.getPreferredSymmetricAlgorithms();
        preferredAlgorithmCheck("symmetric", PREFERRED_SYMMETRIC_ALGORITHMS, prefAlgs);

        int[] criticalHashed = hashedPcks.getCriticalTags();

        if (criticalHashed.length != 1)
        {
            fail("wrong number of critical packets found.");
        }

        if (criticalHashed[0] != SignatureSubpacketTags.SIGNER_USER_ID)
        {
            fail("wrong critical packet found in tag list.");
        }

        //
        // no packets passed
        //
        sGen = new PGPSignatureGenerator(new JcaPGPContentSignerBuilder(PublicKeyAlgorithmTags.DSA, HashAlgorithmTags.SHA1).setProvider("BC"));

        sGen.init(PGPSignature.SUBKEY_BINDING, pgpPrivDSAKey);

        sGen.setHashedSubpackets(null);
        sGen.setUnhashedSubpackets(null);

        sig = sGen.generateCertification(TEST_USER_ID, secretKey.getPublicKey());

        sig.init(new JcaPGPContentVerifierBuilderProvider().setProvider("BC"), secretDSAKey.getPublicKey());

        if (!sig.verifyCertification(TEST_USER_ID, secretKey.getPublicKey()))
        {
            fail("subkey binding verification failed.");
        }

        hashedPcks = sig.getHashedSubPackets();

        if (hashedPcks.size() != 1)
        {
            fail("found wrong number of hashed packets");
        }

        unhashedPcks = sig.getUnhashedSubPackets();

        if (unhashedPcks.size() != 1)
        {
            fail("found wrong number of unhashed packets");
        }

        try
        {
            sig.verifyCertification(secretKey.getPublicKey());

            fail("failed to detect non-key signature.");
        }
        catch (PGPException e)
        {
            // expected
        }

        //
        // override hash packets
        //
        sGen = new PGPSignatureGenerator(new JcaPGPContentSignerBuilder(PublicKeyAlgorithmTags.DSA, HashAlgorithmTags.SHA1).setProvider("BC"));

        sGen.init(PGPSignature.SUBKEY_BINDING, pgpPrivDSAKey);

        hashedGen = new PGPSignatureSubpacketGenerator();

        hashedGen.setSignatureCreationTime(false, new Date(0L));

        sGen.setHashedSubpackets(hashedGen.generate());

        sGen.setUnhashedSubpackets(null);

        sig = sGen.generateCertification(TEST_USER_ID, secretKey.getPublicKey());

        sig.init(new JcaPGPContentVerifierBuilderProvider().setProvider("BC"), secretDSAKey.getPublicKey());

        if (!sig.verifyCertification(TEST_USER_ID, secretKey.getPublicKey()))
        {
            fail("subkey binding verification failed.");
        }

        hashedPcks = sig.getHashedSubPackets();

        if (hashedPcks.size() != 1)
        {
            fail("found wrong number of hashed packets in override test");
        }

        if (!hashedPcks.hasSubpacket(SignatureSubpacketTags.CREATION_TIME))
        {
            fail("hasSubpacket test for creation time failed");
        }

        if (!hashedPcks.getSignatureCreationTime().equals(new Date(0L)))
        {
            fail("creation of overriden date failed.");
        }

        prefAlgs = hashedPcks.getPreferredCompressionAlgorithms();
        preferredAlgorithmCheck("compression", NO_PREFERENCES, prefAlgs);

        prefAlgs = hashedPcks.getPreferredHashAlgorithms();
        preferredAlgorithmCheck("hash", NO_PREFERENCES, prefAlgs);

        prefAlgs = hashedPcks.getPreferredSymmetricAlgorithms();
        preferredAlgorithmCheck("symmetric", NO_PREFERENCES, prefAlgs);

        if (hashedPcks.getKeyExpirationTime() != 0)
        {
            fail("unexpected key expiration time found");
        }

        if (hashedPcks.getSignatureExpirationTime() != 0)
        {
            fail("unexpected signature expiration time found");
        }

        if (hashedPcks.getSignerUserID() != null)
        {
            fail("unexpected signer user ID found");
        }

        criticalHashed = hashedPcks.getCriticalTags();

        if (criticalHashed.length != 0)
        {
            fail("critical packets found when none expected");
        }

        unhashedPcks = sig.getUnhashedSubPackets();

        if (unhashedPcks.size() != 1)
        {
            fail("found wrong number of unhashed packets in override test");
        }

        //
        // general signatures
        //
        testSig(PublicKeyAlgorithmTags.RSA_GENERAL, HashAlgorithmTags.SHA256, secretKey.getPublicKey(), pgpPrivKey);
        testSig(PublicKeyAlgorithmTags.RSA_GENERAL, HashAlgorithmTags.SHA384, secretKey.getPublicKey(), pgpPrivKey);
        testSig(PublicKeyAlgorithmTags.RSA_GENERAL, HashAlgorithmTags.SHA512, secretKey.getPublicKey(), pgpPrivKey);
        testSigV3(PublicKeyAlgorithmTags.RSA_GENERAL, HashAlgorithmTags.SHA1, secretKey.getPublicKey(), pgpPrivKey);
        testTextSig(PublicKeyAlgorithmTags.RSA_GENERAL, HashAlgorithmTags.SHA1, secretKey.getPublicKey(), pgpPrivKey, TEST_DATA_WITH_CRLF, TEST_DATA_WITH_CRLF);
        testTextSig(PublicKeyAlgorithmTags.RSA_GENERAL, HashAlgorithmTags.SHA1, secretKey.getPublicKey(), pgpPrivKey, TEST_DATA, TEST_DATA_WITH_CRLF);
        testTextSigV3(PublicKeyAlgorithmTags.RSA_GENERAL, HashAlgorithmTags.SHA1, secretKey.getPublicKey(), pgpPrivKey, TEST_DATA_WITH_CRLF, TEST_DATA_WITH_CRLF);
        testTextSigV3(PublicKeyAlgorithmTags.RSA_GENERAL, HashAlgorithmTags.SHA1, secretKey.getPublicKey(), pgpPrivKey, TEST_DATA, TEST_DATA_WITH_CRLF);

        //
        // DSA Tests
        //
        pgpPriv = new PGPSecretKeyRing(dsaKeyRing, new JcaKeyFingerprintCalculator());
        secretKey = pgpPriv.getSecretKey();
        pgpPrivKey = secretKey.extractPrivateKey(new JcePBESecretKeyDecryptorBuilder().setProvider("BC").build(dsaPass));

        try
        {
            testSig(PublicKeyAlgorithmTags.RSA_GENERAL, HashAlgorithmTags.SHA1, secretKey.getPublicKey(), pgpPrivKey);

            fail("DSA wrong key test failed.");
        }
        catch (PGPException e)
        {
            // expected
        }

        try
        {
            testSigV3(PublicKeyAlgorithmTags.RSA_GENERAL, HashAlgorithmTags.SHA1, secretKey.getPublicKey(), pgpPrivKey);

            fail("DSA V3 wrong key test failed.");
        }
        catch (PGPException e)
        {
            // expected
        }

        testSig(PublicKeyAlgorithmTags.DSA, HashAlgorithmTags.SHA1, secretKey.getPublicKey(), pgpPrivKey);
        testSigV3(PublicKeyAlgorithmTags.DSA, HashAlgorithmTags.SHA1, secretKey.getPublicKey(), pgpPrivKey);
        testTextSig(PublicKeyAlgorithmTags.DSA, HashAlgorithmTags.SHA1, secretKey.getPublicKey(), pgpPrivKey, TEST_DATA_WITH_CRLF, TEST_DATA_WITH_CRLF);
        testTextSig(PublicKeyAlgorithmTags.DSA, HashAlgorithmTags.SHA1, secretKey.getPublicKey(), pgpPrivKey, TEST_DATA, TEST_DATA_WITH_CRLF);
        testTextSigV3(PublicKeyAlgorithmTags.DSA, HashAlgorithmTags.SHA1, secretKey.getPublicKey(), pgpPrivKey, TEST_DATA_WITH_CRLF, TEST_DATA_WITH_CRLF);
        testTextSigV3(PublicKeyAlgorithmTags.DSA, HashAlgorithmTags.SHA1, secretKey.getPublicKey(), pgpPrivKey, TEST_DATA, TEST_DATA_WITH_CRLF);

        // special cases
        //
        testMissingSubpackets(nullPacketsSubKeyBinding);

        testMissingSubpackets(generateV3BinarySig(pgpPrivKey, PublicKeyAlgorithmTags.DSA, HashAlgorithmTags.SHA1));

        // keyflags
        testKeyFlagsValues();

        testSubpacketGenerator();
        testUserAttributeEncoding();
    }

    private void testUserAttributeEncoding()
        throws Exception
    {
        PGPPublicKeyRing pkr = new PGPPublicKeyRing(okAttr, new BcKeyFingerprintCalculator());

        checkUserAttribute("normal", pkr, pkr.getPublicKey());

        pkr = new PGPPublicKeyRing(attrLongLength, new BcKeyFingerprintCalculator());

        checkUserAttribute("long", pkr, pkr.getPublicKey());
    }

    private void checkUserAttribute(String type, PGPPublicKeyRing pkr, PGPPublicKey masterPk)
        throws PGPException
    {
        Iterator attrit = pkr.getPublicKey().getUserAttributes();
        while (attrit.hasNext())
        {
            PGPUserAttributeSubpacketVector attr = (PGPUserAttributeSubpacketVector)attrit.next();

            Iterator sigit = masterPk.getSignaturesForUserAttribute(attr);
            while (sigit.hasNext())
            {
                PGPSignature sig = (PGPSignature)sigit.next();

                sig.init(new BcPGPContentVerifierBuilderProvider(), masterPk);
                if (!sig.verifyCertification(attr, masterPk))
                {
                    fail("user attribute sig failed to verify on " + type);
                }
            }
        }
    }

    private void testSubpacketGenerator()
    {
        PGPSignatureSubpacketGenerator sGen = new PGPSignatureSubpacketGenerator();

        String name1 = genString(64);
        String value1 = genString(72);

        sGen.setNotationData(true, true, name1, value1);

        PGPSignatureSubpacketVector sVec = sGen.generate();

        NotationData[] nd = sVec.getNotationDataOccurrences();

        if (nd.length != 1 || !nd[0].isHumanReadable())
        {
            fail("length and readability test 1 failed");
        }

        if (!nd[0].getNotationName().equals(name1) || !nd[0].getNotationValue().equals(value1))
        {
            fail("name/value test 1 failed");
        }

        String name2 = genString(256);
        String value2 = genString(264);

        sGen.setNotationData(true, false, name2, value2);

        sVec = sGen.generate();

        nd = sVec.getNotationDataOccurrences();

        if (nd.length != 2 || !nd[0].isHumanReadable() || nd[1].isHumanReadable())
        {
            fail("length and readability test 2 failed");
        }

        if (!nd[0].getNotationName().equals(name1) || !nd[0].getNotationValue().equals(value1))
        {
            fail("name/value test 2.1 failed");
        }

        if (!nd[1].getNotationName().equals(name2) || !nd[1].getNotationValue().equals(value2))
        {
            fail("name/value test 2.2 failed");
        }

        String name3 = genString(0xffff);
        String value3 = genString(0xffff);

        sGen.setNotationData(true, false, name3, value3);

        sVec = sGen.generate();

        nd = sVec.getNotationDataOccurrences();

        if (nd.length != 3 || !nd[0].isHumanReadable() || nd[1].isHumanReadable() || nd[2].isHumanReadable())
        {
            fail("length and readability test 3 failed");
        }

        if (!nd[0].getNotationName().equals(name1) || !nd[0].getNotationValue().equals(value1))
        {
            fail("name/value test 3.1 failed");
        }

        if (!nd[1].getNotationName().equals(name2) || !nd[1].getNotationValue().equals(value2))
        {
            fail("name/value test 3.2 failed");
        }

        if (!nd[2].getNotationName().equals(name3) || !nd[2].getNotationValue().equals(value3))
        {
            fail("name/value test 3.3 failed");
        }

        String name4 = genString(0xffff1);
        String value4 = genString(0xfffff);

        try
        {
            sGen.setNotationData(true, false, name4, value4);
            fail("truncation occurs silently");
        }
        catch (IllegalArgumentException e)
        {
            if (!"notationName exceeds maximum length.".equals(e.getMessage()))
            {
                fail("wrong message");
            }
        }

        try
        {
            sGen.setNotationData(true, false, name3, value4);
            fail("truncation occurs silently");
        }
        catch (IllegalArgumentException e)
        {
            if (!"notationValue exceeds maximum length.".equals(e.getMessage()))
            {
                fail("wrong message");
            }
        }
    }

    private String genString(int length)
    {
        char[] chars = new char[length];

        for (int i = 0; i != length; i++)
        {
            chars[i] = (char)('a' + (i % 26));
        }

        return new String(chars);
    }

    private void testKeyFlagsValues()
    {
        checkValue(KeyFlags.CERTIFY_OTHER, 0x01);
        checkValue(KeyFlags.SIGN_DATA, 0x02);
        checkValue(KeyFlags.ENCRYPT_COMMS, 0x04);
        checkValue(KeyFlags.ENCRYPT_STORAGE, 0x08);
        checkValue(KeyFlags.SPLIT, 0x10);
        checkValue(KeyFlags.AUTHENTICATION, 0x20);
        checkValue(KeyFlags.SHARED, 0x80);

        // yes this actually happens
        checkValue(new byte[] { 4, 0, 0, 0 }, 0x04);
        checkValue(new byte[] { 4, 0, 0 }, 0x04);
        checkValue(new byte[] { 4, 0 }, 0x04);
        checkValue(new byte[] { 4 }, 0x04);
    }

    private void checkValue(int flag, int value)
    {
        KeyFlags f = new KeyFlags(true, flag);

        if (f.getFlags() != value)
        {
            fail("flag value mismatch");
        }
    }

    private void checkValue(byte[] flag, int value)
    {
        KeyFlags f = new KeyFlags(true, false, flag);

        if (f.getFlags() != value)
        {
            fail("flag value mismatch");
        }
    }

    private void testMissingSubpackets(byte[] signature) 
        throws IOException
    {
        JcaPGPObjectFactory f = new JcaPGPObjectFactory(signature);
        Object           obj = f.nextObject();
        
        while (!(obj instanceof PGPSignatureList))
        {
            obj = f.nextObject();
            if (obj instanceof PGPLiteralData)
            {
                InputStream in = ((PGPLiteralData)obj).getDataStream();
                Streams.drain(in);
            }
        }
        
        PGPSignature     sig = ((PGPSignatureList)obj).get(0);
        
        if (sig.getVersion() > 3)
        {
            PGPSignatureSubpacketVector v = sig.getHashedSubPackets();
            
            if (v.getKeyExpirationTime() != 0)
            {
                fail("key expiration time not zero for missing subpackets");
            }

            if (!sig.hasSubpackets())
            {
                fail("hasSubpackets() returns false with packets");
            }
        }
        else
        {
            if (sig.getHashedSubPackets() != null)
            {
                fail("hashed sub packets found when none expected");
            }
            if (sig.getUnhashedSubPackets() != null)
            {
                fail("unhashed sub packets found when none expected");
            }

            if (sig.hasSubpackets())
            {
                fail("hasSubpackets() returns true with no packets");
            }
        }
    }

    private void preferredAlgorithmCheck(
        String type,
        int[] expected,  
        int[] prefAlgs)
    {
        if (expected == null)
        {
            if (prefAlgs != null)
            {
                fail("preferences for " + type + " found when none expected");
            }
        }
        else
        {   
            if (prefAlgs.length != expected.length)
            {
                fail("wrong number of preferred " + type + " algorithms found");
            }
            
            for (int i = 0; i != expected.length; i++)
            {
                if (expected[i] != prefAlgs[i])
                {
                    fail("wrong algorithm found for " + type + ": expected " + expected[i] + " got " + prefAlgs[i]);
                }
            }
        }
    }

    private void testSig(
        int           encAlgorithm,
        int           hashAlgorithm,
        PGPPublicKey  pubKey,
        PGPPrivateKey privKey)
        throws Exception
    {            
        ByteArrayOutputStream bOut = new ByteArrayOutputStream();
        ByteArrayInputStream  testIn = new ByteArrayInputStream(TEST_DATA);
        PGPSignatureGenerator sGen = new PGPSignatureGenerator(new JcaPGPContentSignerBuilder(encAlgorithm, hashAlgorithm).setProvider("BC"));
        
        sGen.init(PGPSignature.BINARY_DOCUMENT, privKey);
        sGen.generateOnePassVersion(false).encode(bOut);
    
        PGPLiteralDataGenerator    lGen = new PGPLiteralDataGenerator();
        OutputStream               lOut = lGen.open(
            new UncloseableOutputStream(bOut),
            PGPLiteralData.BINARY,
            "_CONSOLE",
            TEST_DATA.length * 2,
            new Date());

        int ch;
        while ((ch = testIn.read()) >= 0)
        {
            lOut.write(ch);
            sGen.update((byte)ch);
        }
    
        lOut.write(TEST_DATA);
        sGen.update(TEST_DATA);
        
        lGen.close();
    
        sGen.generate().encode(bOut);
    
        verifySignature(bOut.toByteArray(), hashAlgorithm, pubKey, TEST_DATA);
    }
    
    private void testTextSig(
        int            encAlgorithm,
        int            hashAlgorithm,
        PGPPublicKey   pubKey,
        PGPPrivateKey  privKey,
        byte[]         data,
        byte[]         canonicalData)
        throws Exception
    {            
        PGPSignatureGenerator sGen = new PGPSignatureGenerator(new JcaPGPContentSignerBuilder(encAlgorithm, HashAlgorithmTags.SHA1).setProvider("BC"));
        ByteArrayOutputStream bOut = new ByteArrayOutputStream();
        ByteArrayInputStream  testIn = new ByteArrayInputStream(data);
        Date                  creationTime = new Date();
        
        sGen.init(PGPSignature.CANONICAL_TEXT_DOCUMENT, privKey);
        sGen.generateOnePassVersion(false).encode(bOut);

        PGPLiteralDataGenerator    lGen = new PGPLiteralDataGenerator();
        OutputStream               lOut = lGen.open(
            new UncloseableOutputStream(bOut),
            PGPLiteralData.TEXT,
            "_CONSOLE",
            data.length * 2,
            creationTime);

        int ch;
        while ((ch = testIn.read()) >= 0)
        {
            lOut.write(ch);
            sGen.update((byte)ch);
        }
    
        lOut.write(data);
        sGen.update(data);
        
        lGen.close();
    
        PGPSignature sig = sGen.generate();

        if (sig.getCreationTime().getTime() == 0)
        {
            fail("creation time not set in v4 signature");
        }

        sig.encode(bOut);
    
        verifySignature(bOut.toByteArray(), hashAlgorithm, pubKey, canonicalData);
    }
    
    private void testSigV3(
        int           encAlgorithm,
        int           hashAlgorithm,
        PGPPublicKey  pubKey,
        PGPPrivateKey privKey)
        throws Exception
    {            
        byte[] bytes = generateV3BinarySig(privKey, encAlgorithm, hashAlgorithm);
    
        verifySignature(bytes, hashAlgorithm, pubKey, TEST_DATA);
    }

    private byte[] generateV3BinarySig(PGPPrivateKey privKey, int encAlgorithm, int hashAlgorithm) 
        throws Exception
    {
        ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
        ByteArrayInputStream    testIn = new ByteArrayInputStream(TEST_DATA);
        PGPV3SignatureGenerator sGen = new PGPV3SignatureGenerator(new JcaPGPContentSignerBuilder(encAlgorithm, hashAlgorithm).setProvider("BC"));
        
        sGen.init(PGPSignature.BINARY_DOCUMENT, privKey);
        sGen.generateOnePassVersion(false).encode(bOut);
    
        PGPLiteralDataGenerator lGen = new PGPLiteralDataGenerator();
        OutputStream            lOut = lGen.open(
            new UncloseableOutputStream(bOut),
            PGPLiteralData.BINARY,
            "_CONSOLE",
            TEST_DATA.length * 2,
            new Date());

        int ch;
        while ((ch = testIn.read()) >= 0)
        {
            lOut.write(ch);
            sGen.update((byte)ch);
        }
    
        lOut.write(TEST_DATA);
        sGen.update(TEST_DATA);
        
        lGen.close();
    
        sGen.generate().encode(bOut);
        
        return bOut.toByteArray();
    }
    
    private void testTextSigV3(
        int            encAlgorithm,
        int            hashAlgorithm,
        PGPPublicKey   pubKey,
        PGPPrivateKey  privKey,
        byte[]         data,
        byte[]         canonicalData)
        throws Exception
    {            
        PGPV3SignatureGenerator sGen = new PGPV3SignatureGenerator(new JcaPGPContentSignerBuilder(encAlgorithm, HashAlgorithmTags.SHA1).setProvider("BC"));
        ByteArrayOutputStream   bOut = new ByteArrayOutputStream();
        ByteArrayInputStream    testIn = new ByteArrayInputStream(data);
        
        sGen.init(PGPSignature.CANONICAL_TEXT_DOCUMENT, privKey);
        sGen.generateOnePassVersion(false).encode(bOut);

        PGPLiteralDataGenerator lGen = new PGPLiteralDataGenerator();
        OutputStream            lOut = lGen.open(
            new UncloseableOutputStream(bOut),
            PGPLiteralData.TEXT,
            "_CONSOLE",
            data.length * 2,
            new Date());

        int ch;
        while ((ch = testIn.read()) >= 0)
        {
            lOut.write(ch);
            sGen.update((byte)ch);
        }
    
        lOut.write(data);
        sGen.update(data);
        
        lGen.close();
    
        PGPSignature sig = sGen.generate();

        if (sig.getCreationTime().getTime() == 0)
        {
            fail("creation time not set in v3 signature");
        }

        sig.encode(bOut);

        verifySignature(bOut.toByteArray(), hashAlgorithm, pubKey, canonicalData);
    }
    
    private void verifySignature(
        byte[] encodedSig, 
        int hashAlgorithm, 
        PGPPublicKey pubKey,  
        byte[] original) 
        throws IOException, PGPException, NoSuchProviderException, SignatureException
    {
        JcaPGPObjectFactory        pgpFact = new JcaPGPObjectFactory(encodedSig);
        PGPOnePassSignatureList p1 = (PGPOnePassSignatureList)pgpFact.nextObject();
        PGPOnePassSignature     ops = p1.get(0);
        PGPLiteralData          p2 = (PGPLiteralData)pgpFact.nextObject();
        InputStream             dIn = p2.getInputStream();
    
        ops.init(new JcaPGPContentVerifierBuilderProvider().setProvider("BC"), pubKey);
        
        int ch;

        while ((ch = dIn.read()) >= 0)
        {
            ops.update((byte)ch);
        }
    
        PGPSignatureList p3 = (PGPSignatureList)pgpFact.nextObject();
        PGPSignature sig = p3.get(0);

        Date creationTime = sig.getCreationTime();
        Date now = new Date();

        // Check creationTime is recent
        if (creationTime.after(now)
            || creationTime.before(new Date(now.getTime() - 10 * 60 * 1000)))
        {
            fail("bad creation time in signature: " + creationTime);
        }

        if (sig.getKeyID() != pubKey.getKeyID())
        {
            fail("key id mismatch in signature");
        }
        
        if (!ops.verify(sig))
        {
            fail("Failed generated signature check - " + hashAlgorithm);
        }
        
        sig.init(new JcaPGPContentVerifierBuilderProvider().setProvider("BC"), pubKey);
        
        for (int i = 0; i != original.length; i++)
        {
            sig.update(original[i]);
        }
        
        sig.update(original);
        
        if (!sig.verify())
        {
            fail("Failed generated signature check against original data");
        }
    }
    
    public String getName()
    {
        return "PGPSignatureTest";
    }

    public static void main(
        String[]    args)
    {
        Security.addProvider(new BouncyCastleProvider());

        runTest(new PGPSignatureTest());
    }
}
