context: using System;
  using System.Globalization;
  using System.IO;
  
  using NUnit.Framework;
  
  using Org.BouncyCastle.Asn1;
  using Org.BouncyCastle.Crypto;
  using Org.BouncyCastle.Crypto.IO;
  using Org.BouncyCastle.Crypto.Parameters;
  using Org.BouncyCastle.Security;
  using Org.BouncyCastle.Utilities;
  using Org.BouncyCastle.Utilities.Collections;
  using Org.BouncyCastle.Utilities.Encoders;
  using Org.BouncyCastle.Utilities.Test;
  
  namespace Org.BouncyCastle.Tests
  {
      /**
      * basic test class for a block cipher, basically this just exercises the provider, and makes sure we
      * are behaving sensibly, correctness of the implementation is shown in the lightweight test classes.
      */
      [TestFixture]
      public class BlockCipherTest
          : SimpleTest
      {
          private static readonly ISet validModes = CollectionUtilities.ReadOnly(
              new HashSet(new string[]{ "CBC", "CCM", "CFB", "CTR", "CTS", "EAX", "ECB", "GCM", "OCB", "OFB" }));
  
          private static readonly string[] cipherTests1 =
          {
              "DES",
              "466da00648ef0e1f9617b1f002e225251a3248d09172f46b9617b1f002e225250112ecb3da61bc99",
              "DESede",
              "2f4bc6b30c893fa549d82c560d61cf3eb088aed020603de249d82c560d61cf3e529e95ecd8e05394",
              "SKIPJACK",
              "d4de46d52274dbb029f33b076043f8c40089f906751623de29f33b076043f8c4ac99b90f9396cb04",
              "Blowfish",
              "7870ebe7f6a52803eb9396ba6c5198216ce81d76d8d4c74beb9396ba6c5198211212473b05214e9f",
              "Twofish",
              "70336d9c9718a8a2ced1b19deed973a3c58af7ea71a69e7efc4df082dca581c0839e31468661bcfc57a14899ceeb0253",
              "RC2",
              "eb5b889bbcced12eb6b1a3da6a3d965bba66a5edfdd4c8a6b6b1a3da6a3d965b994a5b859e765797",
              "RC5",
              "220053543e3eca3bc9503a091ca67b08372560d8a4fdbee8c9503a091ca67b08a796d53bb8a4b7e0",
              "RC5-64",
              "e0b4a526ba3bc5f09199c3b1fe3737fe6d248cde70e565b0feea59ebfda375ae1946c386a48d8d8a74d7b1947ff6a788",
              "RC6",
              "44c97b67ca8486067f8b6c5b97632f3049e5e52c1d61fdd527dc3da39616540f19a3db39aac1ffd713795cd886cce0c0",
              "IDEA",
              "8c9fd56823ffdc523f6ccf7f614aa6173553e594fc7a21b53f6ccf7f614aa61740c54f7a66e95108",
              "TEA",
              "fcf45062104fda7c35712368b56dd4216a6ca998dc297b5435712368b56dd421208027ed2923cd0c",
              "XTEA",
              "4b427893d3d6aaded2afafabe25f7b233fb5589faa2b6389d2afafabe25f7b239d12979ac67e1c07",
              "Camellia",
              "3a68b4ad145bc2c76010669d68f2826359887afce763a78d9994143266adfaec8ba7ee562a1688ef9dfd7f897e5c44dc",
              "SEED",
              "d53d4ce1f48b9879420949467bfcbfbe2c6a7d4a8770bee0c71211def898d7c5024ce2007dd85accb3f69d906ae2164d",
              "Noekeon",
              "7e68ceb33aad9db04af6b878a16dd6c6b4f880d6c89027ba581884c10690bb6b3dbfd6ed5513e2c4f5670c3528023121",
              "DES/CBC/NoPadding",
              "60fa2f8fae5aa2a38e9ac77d0246726beb7511e4515feb12cf99f75cc6e0122a",
              "DESede/CBC/NoPadding",
              "4d3d7931875cf25593dc402298add8b914761e4936c9585ae22b2c1441169231",
              "SKIPJACK/CBC/NoPadding",
              "ceebcc2e5e2b847f9ed797b4930b95f115b9e6cf49c457fc2ea0df79ad5c8334",
              "Blowfish/CBC/NoPadding",
              "80823abbabc109733e7ebf3ce3344d67fc387c306b782086b452f7fbe8e844ce",
              "Twofish/CBC/NoPadding",
              "f819694251a00bdd403928745cd1d8a094de61f49ddf8e7692e9d81a83812943",
              "RC2/CBC/NoPadding",
              "a51facdb3933c9676795cd38cc3146fd4694722b468b1a979a399c77606abf99",
              "RC5/CBC/NoPadding",
              "9ee7517eab0280445f3a7c60c90c0f75029d65bca8b1af83ace5399d388c83c3",
              "RC6/CBC/NoPadding",
              "c44695633c07010f3a0d8f7ea046a642d4a96bf4e44f89fd91b46830bc95b130",
              "IDEA/CBC/NoPadding",
              "30cd990ebdae80fe12b6c6e4fcd1c064a27d985c276b3d7097351c8684e4c4d9",
              "DES/CBC/PKCS5Padding",
              "60fa2f8fae5aa2a38e9ac77d0246726beb7511e4515feb12cf99f75cc6e0122afdc70484fb9c0232",
              "DES/CBC/ISO10126Padding",
              "60fa2f8fae5aa2a38e9ac77d0246726beb7511e4515feb12cf99f75cc6e0122a980639850a2cc3e8",
              "DES/CBC/ISO7816-4Padding",
              "60fa2f8fae5aa2a38e9ac77d0246726beb7511e4515feb12cf99f75cc6e0122a1f80b9b0f1be49ac",
              "DES/CBC/X9.23Padding",
              "60fa2f8fae5aa2a38e9ac77d0246726beb7511e4515feb12cf99f75cc6e0122a980639850a2cc3e8",
              "DESede/CBC/PKCS7Padding",
              "4d3d7931875cf25593dc402298add8b914761e4936c9585ae22b2c1441169231a41e40695f1cff84",
              "SKIPJACK/CBC/PKCS7Padding",
              "ceebcc2e5e2b847f9ed797b4930b95f115b9e6cf49c457fc2ea0df79ad5c8334df7042de5db89c96",
              "Blowfish/CBC/PKCS7Padding",
              "80823abbabc109733e7ebf3ce3344d67fc387c306b782086b452f7fbe8e844cef986562ab1a675e8",
              "Twofish/CBC/PKCS7Padding",
              "f819694251a00bdd403928745cd1d8a094de61f49ddf8e7692e9d81a838129433e5f1343d6cdb0b41838619da1541f04",
              "RC2/CBC/PKCS7Padding",
              "a51facdb3933c9676795cd38cc3146fd4694722b468b1a979a399c77606abf9958435525f770f137",
              "RC5/CBC/PKCS7Padding",
              "9ee7517eab0280445f3a7c60c90c0f75029d65bca8b1af83ace5399d388c83c3edd95ff49be76651",
              "RC5-64/CBC/PKCS7Padding",
              "e479fd11f89dab22d2f3dd062b1d2abd5b5962553421a5c562dc7214c3b23b8e21949fda87f2f820e5f032c552c6ec78",
              "RC6/CBC/PKCS7Padding",
              "c44695633c07010f3a0d8f7ea046a642d4a96bf4e44f89fd91b46830bc95b130824b972c9019a69d2dd05ef2d36b37ac",
              "IDEA/CBC/PKCS7Padding",
              "30cd990ebdae80fe12b6c6e4fcd1c064a27d985c276b3d7097351c8684e4c4d9e584751325ef7c32",
              "IDEA/CBC/ISO10126Padding",
              "30cd990ebdae80fe12b6c6e4fcd1c064a27d985c276b3d7097351c8684e4c4d978b3fd73135f033b",
              "IDEA/CBC/X9.23Padding",
              "30cd990ebdae80fe12b6c6e4fcd1c064a27d985c276b3d7097351c8684e4c4d978b3fd73135f033b",
              "AES/CBC/PKCS7Padding",
              "cf87f4d8bb9d1abb36cdd9f44ead7d046db2f802d99e1ef0a5940f306079e08389a44c4a8cc1a47cbaee1128da55bbb7",
              "AES/CBC/ISO7816-4Padding",
              "cf87f4d8bb9d1abb36cdd9f44ead7d046db2f802d99e1ef0a5940f306079e08306d84876508a33efec701118d8eeaf6d",
              "Rijndael/CBC/PKCS7Padding",
              "cf87f4d8bb9d1abb36cdd9f44ead7d046db2f802d99e1ef0a5940f306079e08389a44c4a8cc1a47cbaee1128da55bbb7",
              "Serpent/CBC/PKCS7Padding",
              "d8b971931de211cb2d31721773a5b1f9dc4e263efe0465f97c024daa26dd7d03473e9beb82ba809cf36071d4807e4706",
              "Tnepres/CBC/PKCS7Padding",
              "f8940ca31aba8ce1e0693b1ae0b1e08daef6de03c80f019774280052f824ac44540bb8dd74dfad47f83f9c7ec268ca68",
              "CAST5/CBC/PKCS7Padding",
              "87b6dc0c5a1d23d42fa740b0548be0b298112000544610d889d6361994cf8e670a19d6af72d7289f",
              "CAST6/CBC/PKCS7Padding",
              "943445569cfdda174118e433828f84e137faee38cac5c827d87a3c9a5a46a07dd64e7ad8accd921f248eea627cd6826f",
              "IDEA/CBC/PKCS7Padding",
              "30cd990ebdae80fe12b6c6e4fcd1c064a27d985c276b3d7097351c8684e4c4d9e584751325ef7c32",
              "DES/CBC/ZeroBytePadding",
              "60fa2f8fae5aa2a38e9ac77d0246726beb7511e4515feb12cf99f75cc6e0122ad3b3f002c927f1fd",
              "DES/CTS/NoPadding", // official style
              "60fa2f8fae5aa2a38e9ac77d0246726bcf99f75cc6e0122aeb7511e4515feb12",
              "DESede/CTS/NoPadding",
              "4d3d7931875cf25593dc402298add8b9e22b2c144116923114761e4936c9585a",
              "SKIPJACK/CTS/NoPadding",
              "ceebcc2e5e2b847f9ed797b4930b95f12ea0df79ad5c833415b9e6cf49c457fc",
              "Blowfish/CTS/NoPadding",
              "80823abbabc109733e7ebf3ce3344d67b452f7fbe8e844cefc387c306b782086",
              "Twofish/CTS/NoPadding",
              "94de61f49ddf8e7692e9d81a83812943f819694251a00bdd403928745cd1d8a0",
              "AES/CTS/NoPadding",
              "6db2f802d99e1ef0a5940f306079e083cf87f4d8bb9d1abb36cdd9f44ead7d04",
              "Rijndael/CTS/NoPadding",
              "6db2f802d99e1ef0a5940f306079e083cf87f4d8bb9d1abb36cdd9f44ead7d04",
              "Serpent/CTS/NoPadding",
              "dc4e263efe0465f97c024daa26dd7d03d8b971931de211cb2d31721773a5b1f9",
              "Tnepres/CTS/NoPadding",
              "aef6de03c80f019774280052f824ac44f8940ca31aba8ce1e0693b1ae0b1e08d",
              "CAST5/CTS/NoPadding",
              "87b6dc0c5a1d23d42fa740b0548be0b289d6361994cf8e6798112000544610d8",
              "CAST6/CTS/NoPadding",
              "37faee38cac5c827d87a3c9a5a46a07d943445569cfdda174118e433828f84e1",
              "RC2/CTS/NoPadding",
              "a51facdb3933c9676795cd38cc3146fd9a399c77606abf994694722b468b1a97",
              "RC5/CTS/NoPadding",
              "9ee7517eab0280445f3a7c60c90c0f75ace5399d388c83c3029d65bca8b1af83",
              "RC6/CTS/NoPadding",
              "d4a96bf4e44f89fd91b46830bc95b130c44695633c07010f3a0d8f7ea046a642",
              "IDEA/CTS/NoPadding",
              "30cd990ebdae80fe12b6c6e4fcd1c06497351c8684e4c4d9a27d985c276b3d70",
              "DES/CBC/WithCTS",                  // older style
              "60fa2f8fae5aa2a38e9ac77d0246726bcf99f75cc6e0122aeb7511e4515feb12",
              "DESede/CBC/WithCTS",
              "4d3d7931875cf25593dc402298add8b9e22b2c144116923114761e4936c9585a",
              "SKIPJACK/CBC/WithCTS",
              "ceebcc2e5e2b847f9ed797b4930b95f12ea0df79ad5c833415b9e6cf49c457fc",
              "Blowfish/CBC/WithCTS",
              "80823abbabc109733e7ebf3ce3344d67b452f7fbe8e844cefc387c306b782086",
              "Twofish/CBC/WithCTS",
              "94de61f49ddf8e7692e9d81a83812943f819694251a00bdd403928745cd1d8a0",
              "AES/CBC/WithCTS",
              "6db2f802d99e1ef0a5940f306079e083cf87f4d8bb9d1abb36cdd9f44ead7d04",
              "Rijndael/CBC/WithCTS",
              "6db2f802d99e1ef0a5940f306079e083cf87f4d8bb9d1abb36cdd9f44ead7d04",
              "Serpent/CBC/WithCTS",
              "dc4e263efe0465f97c024daa26dd7d03d8b971931de211cb2d31721773a5b1f9",
              "Tnepres/CBC/WithCTS",
              "aef6de03c80f019774280052f824ac44f8940ca31aba8ce1e0693b1ae0b1e08d",
              "CAST5/CBC/WithCTS",
              "87b6dc0c5a1d23d42fa740b0548be0b289d6361994cf8e6798112000544610d8",
              "CAST6/CBC/WithCTS",
              "37faee38cac5c827d87a3c9a5a46a07d943445569cfdda174118e433828f84e1",
              "RC2/CBC/WithCTS",
              "a51facdb3933c9676795cd38cc3146fd9a399c77606abf994694722b468b1a97",
              "RC5/CBC/WithCTS",
              "9ee7517eab0280445f3a7c60c90c0f75ace5399d388c83c3029d65bca8b1af83",
              "RC6/CBC/WithCTS",
              "d4a96bf4e44f89fd91b46830bc95b130c44695633c07010f3a0d8f7ea046a642",
              "IDEA/CBC/WithCTS",
              "30cd990ebdae80fe12b6c6e4fcd1c06497351c8684e4c4d9a27d985c276b3d70",
              "DES/OFB/NoPadding",
              "537572e480c1714f5c9a4f3b874df824dc6681b1fd6c11982debcad91e3f78b7",
              "DESede/OFB/NoPadding",
              "481e9872acea7fcf8e29a453242da774e5f6a28f15f7723659a73e4ff4939f80",
              "SKIPJACK/OFB/NoPadding",
              "71143a124e3a0cde753b60fe9b200e559018b6a0fe0682659f7c13feb9df995c",
              "Blowfish/OFB/NoPadding",
              "6cd6f7c5d2c655556d7a9e98a1696d1875e9f1b2fc991e28a2d55b56861e80bd",
              "Twofish/OFB/NoPadding",
              "821c54b1b54ae113cf74595eefe10c83b61c9682fc81f92c52f39a3a693f88b8",
              "RC2/OFB/NoPadding",
              "0a07cb78537cb04c0c74e28a7b86b80f80acadf87d6ef32792f1a8cf74b39f74",
              "RC5/OFB/NoPadding",
              "c62b233df296283b918a2b4cc53a54fbf061850e781b97332ed1bd78b88d9670",
              "IDEA/OFB/NoPadding",
              "dd447da3cbdcf81f4053fb446596261cb00a3c49a66085485af5f7c10ba20dad",
              "DES/OFB8/NoPadding",
              "53cb5010d189f94cf584e5ff1c4a9d86443c45ddb6fa3c2d1a5dadfcdf01db8a",
              "DESede/OFB8/NoPadding",
              "482c0c1ccd0e6d218e1cffb0a295352c2357ffaa673f2257ef5c77b6c04f03b5",
              "SKIPJACK/OFB8/NoPadding",
              "719ea1b432b3d2c8011e5aa873f95978420022b5e2c9c1a1c1082cd1f4999da2",
              "Blowfish/OFB8/NoPadding",
              "6ca6078755b263f09787d830b6fda7b7748494634bdc73ab68540cf9f6b7eccf",
              "Twofish/OFB8/NoPadding",
              "825dcec234ad52253d6e064b0d769bc04b1142435933f4a510ffc20d70095a88",
              "RC2/OFB8/NoPadding",
              "0aa26c6f6a820fe7d38da97085995ad62e2e293323a76300fcd4eb572810f7c6",
              "RC5/OFB8/NoPadding",
              "c601a9074dbd874f4d3293f6a32d93d9f0a4f5685d8597f0102fcc96d444f976",
              "IDEA/OFB8/NoPadding",
              "dd7897b6ced43d060a518bb38d570308b83b4de577eb208130daabf619e9b1fb",
              "DES/CFB/NoPadding",
              "537572e480c1714fec3c7424f88d4202219244c5ca8f5e4361d64f08fe747bb2",
              "DESede/CFB/NoPadding",
              "481e9872acea7fcfb75bb58670fe64c59123265139e357d161cd4ddb5eba042a",
              "SKIPJACK/CFB/NoPadding",
              "71143a124e3a0cde70a69ede4ceb14376b1e6a80bafde0a6330508dfa86a7c41",
              "Blowfish/CFB/NoPadding",
              "6cd6f7c5d2c6555561167fe9b10665102206869339122f1ed89efa4a985397f6",
              "Twofish/CFB/NoPadding",
              "821c54b1b54ae113cf74595eefe10c8308b7a438277de4f40948ac2d172d53d2",
              "RC2/CFB/NoPadding",
              "0a07cb78537cb04ca1401450d5cd411c7da7fa5b6baaa17bb2137bd95c9f26a5",
              "RC5/CFB/NoPadding",
              "c62b233df296283b989352bbebf616a19e11503ac737f9e0eaf19049cde05d34",
              "IDEA/CFB/NoPadding",
              "dd447da3cbdcf81fcbe4661dcbed88aed899f87585118384bd0565067fa6c13a",
              "DES/CFB8/NoPadding",
              "53cb0cdff712a825eb283b23c31e7323aa12495e7e751428b5c4eb89b28a25d4",
              "DESede/CFB8/NoPadding",
              "482cd5bf87ca4cee0b573d66a077231bfea93843ce2d1f948550a1d208e18279",
              "SKIPJACK/CFB8/NoPadding",
              "719eef3906bef23f7b63599285437d8e34183b165acf3e855b4e160d4f036508",
              "Blowfish/CFB8/NoPadding",
              "6ca63aaada9188d2410c07513cc0736b9888770768c25a5befc776beea5bdc4c",
              "Twofish/CFB8/NoPadding",
              "825d12af040721cf5ed4a4798647837ac5eb14d752aace28728aeb37b2010abd",
              "RC2/CFB8/NoPadding",
              "0aa227f94be3a32ff927c5d25647ea41d7c2a1e94012fc7f2ad6767b9664bce5",
              "RC5/CFB8/NoPadding",
              "c601cf88725411f119965b9cd38d6c313b91128ed7c98c7604cc62d9b210be79",
              "IDEA/CFB8/NoPadding",
              "dd7839d2525420d10f95eec23dbaf3463302c445972a28c563c2635191bc19af",
              // TODO Check that PGPCFB modes are obsolete for C# build
  //			"IDEA/PGPCFB/NoPadding",
  //			"dd447da3cbdcf81fcbe4661dcbed88aed899f87585118384bd0565067fa6c13a",
  //			"IDEA/PGPCFBwithIv/NoPadding",
  //			"ed5adbac0e730cc0f00df7e4f6fef672ab042673106435faf3ecf3996a72a0e127b440ba9e5313501de3",
              "Twofish/ECB/TBCPadding",
              "70336d9c9718a8a2ced1b19deed973a3c58af7ea71a69e7efc4df082dca581c019d7daa58d02b89aab6e8c0d17202439",
              "RC2/ECB/TBCPadding",
              "eb5b889bbcced12eb6b1a3da6a3d965bba66a5edfdd4c8a6b6b1a3da6a3d965b6b5359ba5e69b179",
              "DES/CTR/NoPadding",
              "537572e480c1714fb47081d35eb18eaca9e0a5aee982f105438a0db6cece1f6d",
              "DESede/CTR/NoPadding",
              "481e9872acea7fcfa93b7d4e34ec7bab340c10faba2e43b879d40d38e07c422d",
              "SKIPJACK/CTR/NoPadding",
              "71143a124e3a0cdeee98a7b843baa05bd1d59faee8ec9b89880e070314a04cc2",
              "Blowfish/CTR/NoPadding",
              "6cd6f7c5d2c65555d2b31f8614f54ec654f5e7888d515008d59302c3edfcc6cb",
              "Twofish/CTR/NoPadding",
              "821c54b1b54ae113cf74595eefe10c83d09e95d4599190b9bbd5bc71dd703730",
              "Threefish-256/CTR/NoPadding",
              "546ea995dd302f1efcb1f27d14bad468280a3a7994c2af75dfdf1e9fc5ef2373",
              "Threefish-512/CTR/NoPadding",
              "152df966484ecc2e9ddfc386559732f7f632e4008920804a1bde4efcf2e6e2f2",
              "Threefish-1024/CTR/NoPadding",
              "03953ac751a7377812c6e3e4d14b36c6953f9b390acaa892811c10001c9be454",
              "RC2/CTR/NoPadding",
              "0a07cb78537cb04c8c5a0a39a15977a7eb19f3c48a42759c234868c391a99c63",
              "RC5/CTR/NoPadding",
              "c62b233df296283b97f17364d5f69a1ff91f46659cf9856caefd322a936203a7",
              "IDEA/CTR/NoPadding",
              "dd447da3cbdcf81f4694ab7715d79e3f90af5682e8c318b8f7dadbed6b5c9714",
              "Blowfish/EAX/NoPadding",
              "bee85ae6512b8a2346d46f7bac31526238091ccc5de75760c9a39628fb45d44a653bfac0",
              "CAST5/EAX/NoPadding",
              "85e0dbd3402f2179f96d231315ec73f04f64f1b7ab1347423b9aec51a07a7222e2bc65a3",
              "DES/EAX/NoPadding",
              "07d12249945e77607086f7463f316966466e6a0c0789b3307b8b51a7cc807e3c1fb91f98",
              "DESede/EAX/NoPadding",
              "278b28f13537dc13bb688c95391754bd6d39c79a7361b407f8dee0b111b264f20391cb0e",
              "GOST28147/EAX/NoPadding",
              "1416713d52affb595b880be996e838edd377e67dfe822fbb0ff235f1b706e6ce34d68dc5",
              "IDEA/EAX/NoPadding",
              "b2e9f3e40954c140ac60423466dee0138f84e879fbde003780202bd83c91571b64df7bb7",
              "RC2/EAX/NoPadding",
              "5d1c095de75bd5eef6a5146f7d6c44545807a8b452f7a38e2719a14f1a269709d2eda2d3",
              "SEED/EAX/NoPadding",
              "6780f18b2dd1f75a934b5a3e45e8fd44877fd3498a9b919b417b3d8a7c67c6021d74bbaef71841ef",
              "Serpent/EAX/NoPadding",
              "13c2b1fec2bda74f5ccc8ca31b36a2e91ee024a215387219808640b2fc7a6a41e017aacee3ed893a",
              "Tnepres/EAX/NoPadding",
              "8d5ac312ca0d436a0154d56568d39811ccf6bb970012398014fc8a49ed669b117443c0249b07ead8",
              //"SM4/EAX/NoPadding",
              //"e072a95da8e529b41199859482142b3fdfa6b7af27348e5ebf35445a099583dae882affde90ea4a4",
              "Twofish/EAX/NoPadding",
              "9a90dffe1233a04733fc8869e8ec4cba2fa53d9543f0206825293b1ff102e63f81a60b12204e1fd8",
              "IDEA/OFB/NoPadding",
              "dd447da3cbdcf81f4053fb446596261cb00a3c49a66085485af5f7c10ba20dad",
              "RC2/OFB/NoPadding",
              "0a07cb78537cb04c0c74e28a7b86b80f80acadf87d6ef32792f1a8cf74b39f74",
              "SEED/OFB/NoPadding",
              "9fd249435dc66d3d5d41abad270df5e3c6b972692fadfcb6c311b047f96fb114",
              "SEED/OCB/NoPadding",
              "eb04b3612769e1ad681f975af1a6f401d94dc88276dd50fc3ebce791c28825c652b7351acbad8c63d4d66191de94c970",
              "SEED/CCM/NoPadding",
              "da684e8cab782d4ebae835726f43c3aeea97ee270897255714d464e981ac39af06c9483153f8a05a",
              "SEED/GCM/NoPadding",
              "ed5f6293c9a4f280af6695750bfb3bb3b60c214565a049494df955152757812ebfb93705895606c4378498a93f2541b5",
              //"SM4/GCM/NoPadding",
              //"323b601a951da693f87e53c6832380719b4d4bd306c94248202b7e337c81e2d9de0044b77a4c556f15f6fd19f828236b",
              "DES/ECB/TBCPadding",
              "466da00648ef0e1f9617b1f002e225251a3248d09172f46b9617b1f002e22525698575eb3998481b",
              "GOST28147/ECB/TBCPadding",
              "0a77f4114451b37d44c5192619b723dd49093d1047c2373544c5192619b723dde7b0810d205c07ab",
              "IDEA/ECB/TBCPadding",
              "8c9fd56823ffdc523f6ccf7f614aa6173553e594fc7a21b53f6ccf7f614aa61747a7c95a57b9eaf4",
              "RC2/ECB/TBCPadding",
              "eb5b889bbcced12eb6b1a3da6a3d965bba66a5edfdd4c8a6b6b1a3da6a3d965b6b5359ba5e69b179",
              "SEED/ECB/TBCPadding",
              "d53d4ce1f48b9879420949467bfcbfbe2c6a7d4a8770bee0c71211def898d7c509f6e111845db39b4cce1dd155aa592b",
              "DES/CBC/TBCPadding",
              "60fa2f8fae5aa2a38e9ac77d0246726beb7511e4515feb12cf99f75cc6e0122ad3b3f002c927f1fd",
              "GOST28147/CBC/TBCPadding",
              "ba87be9c465cbb30e1bf0148daa9639c2e4cbc1b6777cfcda860760686596159aa564fd65e66c125",
              "IDEA/CBC/TBCPadding",
              "30cd990ebdae80fe12b6c6e4fcd1c064a27d985c276b3d7097351c8684e4c4d922f14e12faecaa0b",
              "RC2/CBC/TBCPadding",
              "a51facdb3933c9676795cd38cc3146fd4694722b468b1a979a399c77606abf9997b47d2f64a37e2f",
              "SEED/CBC/TBCPadding",
              "fc34f03ddf4d2a4d9934addc82011af1d5f76ee015b691a6524d7ad5464422d7989825d19e23a60ba759407e13d1ea02",
              "DES/CFB8/NoPadding",
              "53cb0cdff712a825eb283b23c31e7323aa12495e7e751428b5c4eb89b28a25d4",
              "GOST28147/CFB8/NoPadding",
              "29f6ca1ca7ae9670413183932a28cdd4a09f2ba630c3c3fbf6f071d3774d7577",
              "IDEA/CFB8/NoPadding",
              "dd7839d2525420d10f95eec23dbaf3463302c445972a28c563c2635191bc19af",
              "RC2/CFB8/NoPadding",
              "0aa227f94be3a32ff927c5d25647ea41d7c2a1e94012fc7f2ad6767b9664bce5",
              "SEED/CFB8/NoPadding",
              "9f1622c3785a034ee4c595df05fb11e69e4d52036e238d2d451e190e87ee876e",
              "DES/CTS/NoPadding",
              "60fa2f8fae5aa2a38e9ac77d0246726bcf99f75cc6e0122aeb7511e4515feb12",
              "GOST28147/CTS/NoPadding",
              "ba87be9c465cbb30e1bf0148daa9639ca8607606865961592e4cbc1b6777cfcd",
              "IDEA/CTS/NoPadding",
              "30cd990ebdae80fe12b6c6e4fcd1c06497351c8684e4c4d9a27d985c276b3d70",
              "RC2/CTS/NoPadding",
              "a51facdb3933c9676795cd38cc3146fd9a399c77606abf994694722b468b1a97",
              "SEED/CTS/NoPadding",
              "d5f76ee015b691a6524d7ad5464422d7fc34f03ddf4d2a4d9934addc82011af1",
              //"SHACAL-2/CBC/PKCS7Padding",
              //"3af7c54ea55d2497162ac9c79d9b2f7837898f83aa4b50b7b762979aa8087669b6a81cdec475ed4d2394d7ad771404a52eb52d245a39f0d7d3e8062d3b0f0e54",
              //"SHACAL-2/CBC/TBCPadding",
              //"3af7c54ea55d2497162ac9c79d9b2f7837898f83aa4b50b7b762979aa80876693f17fbe9a5baa88ed21b2e1a863dc449061f40cafadfc3cf73486208f87b9352",
          };
  
          private static readonly string[] cipherTests2 =
          {
              "DES/OFB64/NoPadding",
              "537572e480c1714f5c9a4f3b874df824dc6681b1fd6c11982debcad91e",
              "DES/CFB64/NoPadding",
              "537572e480c1714fec3c7424f88d4202219244c5ca8f5e4361d64f08fe",
              "DES/CTR/NoPadding",
              "537572e480c1714fb47081d35eb18eaca9e0a5aee982f105438a0db6ce",
              "DES/CTS/NoPadding",
              "60fa2f8fae5aa2a38e9ac77d0246726b32df660db51a710ceb7511e451"
          };
  
          private static readonly byte[] input1 = Hex.Decode("000102030405060708090a0b0c0d0e0fff0102030405060708090a0b0c0d0e0f");
          private static readonly byte[] input2 = Hex.Decode("000102030405060708090a0b0c0d0e0fff0102030405060708090a0b0c");
  
  //		static RC2ParameterSpec rc2Spec = new RC2ParameterSpec(128, Hex.decode("0123456789abcdef"));
          private static readonly byte[] rc2IV = Hex.Decode("0123456789abcdef");
  
  //		static RC5ParameterSpec rc5Spec = new RC5ParameterSpec(16, 16, 32, Hex.decode("0123456789abcdef"));
  //		static RC5ParameterSpec rc564Spec = new RC5ParameterSpec(16, 16, 64, Hex.decode("0123456789abcdef0123456789abcdef"));
          private static readonly byte[] rc5IV = Hex.Decode("0123456789abcdef");
          private static readonly byte[] rc564IV = Hex.Decode("0123456789abcdef0123456789abcdef");
          private const int rc5Rounds = 16;
  
          /**
          * a fake random number generator - we just want to make sure the random numbers
          * aren't random so that we get the same output, while still getting to test the
          * key generation facilities.
          */
          private class FixedSecureRandom
              : SecureRandom
          {
              byte[] seed = {
                      (byte)0xaa, (byte)0xfd, (byte)0x12, (byte)0xf6, (byte)0x59,
                      (byte)0xca, (byte)0xe6, (byte)0x34, (byte)0x89, (byte)0xb4,
                      (byte)0x79, (byte)0xe5, (byte)0x07, (byte)0x6d, (byte)0xde,
                      (byte)0xc2, (byte)0xf0, (byte)0x6c, (byte)0xb5, (byte)0x8f
              };
  
              public override void NextBytes(
                  byte[] bytes)
              {
                  int offset = 0;
  
                  while ((offset + seed.Length) < bytes.Length)
                  {
                      Array.Copy(seed, 0, bytes, offset, seed.Length);
                      offset += seed.Length;
                  }
  
                  Array.Copy(seed, 0, bytes, offset, bytes.Length- offset);
              }
          }
  
          public override string Name
          {
              get { return "BlockCipher"; }
          }
  
          private int GetIVLength(
              string algorithm)
          {
              string[] parts = algorithm.Split('/');
  
              if (parts.Length < 2)
                  return 0;
  
              string mode = parts[1];
  
              int pos = mode.IndexOfAny(new char[]{ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' });
              string baseMode = pos < 0 ? mode : mode.Substring(0, pos);
  
              if (!validModes.Contains(baseMode))
                  throw new Exception("Unhandled mode: " + mode);
  
              if (baseMode == "CCM")
                  return 12;
              if (baseMode == "ECB")
                  return 0;
              if (baseMode == "OCB")
                  return 15;
  
              string baseAlgorithm = parts[0];
              IBufferedCipher baseCipher = CipherUtilities.GetCipher(baseAlgorithm);
              return baseCipher.GetBlockSize();
          }
  
          private void doTest(
              string	algorithm,
              byte[]	input,
              byte[]	output)
          {
              KeyParameter key = null;
              CipherKeyGenerator keyGen;
              SecureRandom rand;
              IBufferedCipher inCipher = null, outCipher = null;
              byte[] iv = null;
              CipherStream cIn, cOut;
              MemoryStream bIn, bOut;
  
              rand = new FixedSecureRandom();
  
              string[] parts = algorithm.ToUpper(CultureInfo.InvariantCulture).Split('/');
              string baseAlgorithm = parts[0];
              string mode = parts.Length > 1 ? parts[1] : null;
  
              try
              {
                  keyGen = GeneratorUtilities.GetKeyGenerator(baseAlgorithm);
  
                  // TODO Add Algorithm property to CipherKeyGenerator?
  //				if (!keyGen.getAlgorithm().Equals(baseAlgorithm))
  //				{
  //					Fail("wrong key generator returned!");
  //				}
  
                  // TODO Add new Init method to CipherKeyGenerator?
  //				keyGen.Init(rand);
                  keyGen.Init(new KeyGenerationParameters(rand, keyGen.DefaultStrength));
  
                  byte[] keyBytes = keyGen.GenerateKey();
  
                  if (algorithm.StartsWith("RC5"))
                  {
                      key = new RC5Parameters(keyBytes, rc5Rounds);
                  }
                  else
                  {
                      key = ParameterUtilities.CreateKeyParameter(baseAlgorithm, keyBytes);
                  }
  
                  inCipher = CipherUtilities.GetCipher(algorithm);
                  outCipher = CipherUtilities.GetCipher(algorithm);
  
                  if (!inCipher.AlgorithmName.ToUpper(CultureInfo.InvariantCulture).StartsWith(baseAlgorithm))
                  {
                      Fail("wrong cipher returned!");
                  }
  
                  ICipherParameters parameters = key;
  
                  int ivLength = GetIVLength(algorithm);
  
                  if (ivLength > 0)
                  {
                      if (baseAlgorithm == "RC2")
                      {
                          iv = rc2IV;
                      }
                      else if (baseAlgorithm == "RC5")
                      {
                          iv = rc5IV;
                      }
                      else if (baseAlgorithm == "RC5-64")
                      {
                          iv = rc564IV;
                      }
                      else
                      {
                          // NB: rand always generates same values each test run
                          iv = SecureRandom.GetNextBytes(rand, ivLength);
                      }
  
                      parameters = new ParametersWithIV(key, iv);
                  }
  
                  // NB: 'rand' still needed e.g. for some paddings
                  parameters = new ParametersWithRandom(parameters, rand);
  
                  outCipher.Init(true, parameters);
              }
              catch (Exception e)
              {
                  Fail("" + algorithm + " failed initialisation - " + e.ToString(), e);
              }
  
              //
              // grab the iv if there is one
              //
              try
              {
                  // The Java version set this implicitly, but we set it explicity
                  //byte[] iv = outCipher.getIV();
  
                  if (iv != null)
                  {
                      // TODO Examine short IV handling for these FIPS-compliant modes in Java build
                      if (mode.StartsWith("CCM")
                          || mode.StartsWith("CFB")
                          || mode.StartsWith("CTR")
                          || mode.StartsWith("EAX")
                          || mode.StartsWith("GCM")
                          || mode.StartsWith("GOFB")
                          || mode.StartsWith("OCB")
                          || mode.StartsWith("OFB")
                          || mode.StartsWith("OPENPGPCFB")
                          || mode.StartsWith("SIC"))
                      {
                          // These modes automatically pad out the IV if it is short
                      }
                      else
                      {
                          try
                          {
                              byte[] nIv = new byte[iv.Length- 1];
                              inCipher.Init(false, new ParametersWithIV(key, nIv));
                              Fail("failed to pick up short IV");
                          }
                          //catch (InvalidAlgorithmParameterException e)
                          catch (ArgumentException)
                          {
                              // ignore - this is what we want...
                          }
                      }
  
                      //IvParameterSpec spec = new IvParameterSpec(iv);
                      inCipher.Init(false, new ParametersWithIV(key, iv));
                  }
                  else
                  {
                      inCipher.Init(false, key);
                  }
              }
              catch (Exception e)
              {
                  Fail("" + algorithm + " failed initialisation - " + e.ToString());
              }
  
              //
              // encryption pass
              //
  
gt:             bOut = new MemoryStream();