Merge pull request #34 from tewinget/master

Add electrum-seed wallet backup/recovery

15 files changed, 3567 insertions, 35 deletions

diff --git a/.gitignore b/.gitignore
index 20a3894a6..527864624 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,7 @@
 .DS_Store
 /build
 /tags
+
+# vim swap files
+*.swp
+*.swo
diff --git a/src/common/command_line.cpp b/src/common/command_line.cpp
index 0b90345d9..d507f36a7 100644
--- a/src/common/command_line.cpp
+++ b/src/common/command_line.cpp
@@ -3,9 +3,21 @@
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include "command_line.h"
+#include "string_tools.h"
 
 namespace command_line
 {
+  std::string input_line(const std::string& prompt)
+  {
+    std::cout << prompt;
+
+    std::string buf;
+    std::getline(std::cin, buf);
+
+    return epee::string_tools::trim(buf);
+
+  }
+
   const arg_descriptor<bool> arg_help = {"help", "Produce help message"};
   const arg_descriptor<bool> arg_version = {"version", "Output version information"};
   const arg_descriptor<std::string> arg_data_dir = {"data-dir", "Specify data directory"};
diff --git a/src/common/command_line.h b/src/common/command_line.h
index 860653772..a6f78569c 100644
--- a/src/common/command_line.h
+++ b/src/common/command_line.h
@@ -14,6 +14,9 @@
 
 namespace command_line
 {
+
+  std::string input_line(const std::string& prompt);
+
   template<typename T, bool required = false>
   struct arg_descriptor;
 
diff --git a/src/common/pod-class.h b/src/common/pod-class.h
index c07edb208..10d680484 100644
--- a/src/common/pod-class.h
+++ b/src/common/pod-class.h
@@ -4,8 +4,14 @@
 
 #pragma once
 
+// FIXME: Why is this ifdef needed?  Hopefully making it struct won't break things.
+
+/*
 #if defined(_MSC_VER)
 #define POD_CLASS struct
 #else
 #define POD_CLASS class
 #endif
+*/
+
+#define POD_CLASS struct
diff --git a/src/crypto/crypto.cpp b/src/crypto/crypto.cpp
index f5f525700..98a17a3e4 100644
--- a/src/crypto/crypto.cpp
+++ b/src/crypto/crypto.cpp
@@ -50,6 +50,7 @@ namespace crypto {
     return &reinterpret_cast<const unsigned char &>(scalar);
   }
 
+  /* generate a random 32-byte (256-bit) integer and copy it to res */
   static inline void random_scalar(ec_scalar &res) {
     unsigned char tmp[64];
     generate_random_bytes(64, tmp);
@@ -62,12 +63,32 @@ namespace crypto {
     sc_reduce32(&res);
   }
 
-  void crypto_ops::generate_keys(public_key &pub, secret_key &sec) {
+  /* 
+   * generate public and secret keys from a random 256-bit integer
+   * TODO: allow specifiying random value (for wallet recovery)
+   * 
+   */
+  secret_key crypto_ops::generate_keys(public_key &pub, secret_key &sec, const secret_key& recovery_key, bool recover) {
     lock_guard<mutex> lock(random_lock);
     ge_p3 point;
-    random_scalar(sec);
+
+    secret_key rng;
+
+    if (recover)
+    {
+      rng = recovery_key;
+    }
+    else
+    {
+      random_scalar(rng);
+    }
+    sec = rng;
+    sc_reduce32(&sec);  // reduce in case second round of keys (sendkeys)
+
     ge_scalarmult_base(&point, &sec);
     ge_p3_tobytes(&pub, &point);
+
+    return rng;
   }
 
   bool crypto_ops::check_key(const public_key &key) {
diff --git a/src/crypto/crypto.h b/src/crypto/crypto.h
index 61641fbcf..024713df1 100644
--- a/src/crypto/crypto.h
+++ b/src/crypto/crypto.h
@@ -62,8 +62,8 @@ namespace crypto {
     void operator=(const crypto_ops &);
     ~crypto_ops();
 
-    static void generate_keys(public_key &, secret_key &);
-    friend void generate_keys(public_key &, secret_key &);
+    static secret_key generate_keys(public_key &pub, secret_key &sec, const secret_key& recovery_key = secret_key(), bool recover = false);
+    friend secret_key generate_keys(public_key &pub, secret_key &sec, const secret_key& recovery_key, bool recover);
     static bool check_key(const public_key &);
     friend bool check_key(const public_key &);
     static bool secret_key_to_public_key(const secret_key &, public_key &);
@@ -102,8 +102,8 @@ namespace crypto {
 
   /* Generate a new key pair
    */
-  inline void generate_keys(public_key &pub, secret_key &sec) {
-    crypto_ops::generate_keys(pub, sec);
+  inline secret_key generate_keys(public_key &pub, secret_key &sec, const secret_key& recovery_key = secret_key(), bool recover = false) {
+    return crypto_ops::generate_keys(pub, sec, recovery_key, recover);
   }
 
   /* Check a public key. Returns true if it is valid, false otherwise.
diff --git a/src/crypto/electrum-words.cpp b/src/crypto/electrum-words.cpp
new file mode 100644
index 000000000..96a392d04
--- /dev/null
+++ b/src/crypto/electrum-words.cpp
@@ -0,0 +1,110 @@
+/*
+ * This file and its header file are for translating Electrum-style word lists
+ * into their equivalent byte representations for cross-compatibility with
+ * that method of "backing up" one's wallet keys.
+ */
+
+#include <string>
+#include <cassert>
+#include <map>
+#include <cstdint>
+#include <vector>
+#include <boost/algorithm/string.hpp>
+#include "crypto/crypto.h"  // for declaration of crypto::secret_key
+
+#include "crypto/electrum-words.h"
+
+namespace crypto
+{
+  namespace ElectrumWords
+  {
+
+    /* convert words to bytes, 3 words -> 4 bytes
+     * returns:
+     *    false if not a multiple of 3 words, or if a words is not in the
+     *    words list
+     *
+     *    true otherwise
+     */
+    bool words_to_bytes(const std::string& words, crypto::secret_key& dst)
+    {
+      int n = NUMWORDS; // hardcoded because this is what electrum uses
+
+      std::vector<std::string> wlist;
+
+      boost::split(wlist, words, boost::is_any_of(" "));
+
+      // error on non-compliant word list
+      if (wlist.size() != 12 && wlist.size() != 24) return false;
+
+      for (unsigned int i=0; i < wlist.size() / 3; i++)
+      {
+        uint32_t val;
+        uint32_t w1, w2, w3;
+
+        // verify all three words exist in the word list
+        if (wordsMap.count(wlist[i*3]) == 0 ||
+            wordsMap.count(wlist[i*3 + 1]) == 0 ||
+            wordsMap.count(wlist[i*3 + 2]) == 0)
+        {
+          return false;
+        }
+
+        w1 = wordsMap.at(wlist[i*3]);
+        w2 = wordsMap.at(wlist[i*3 + 1]);
+        w3 = wordsMap.at(wlist[i*3 + 2]);
+
+        val = w1 + n * (((n - w1) + w2) % n) + n * n * (((n - w2) + w3) % n);
+
+        if (!(val % n == w1)) return false;
+
+        memcpy(dst.data + i * 4, &val, 4);  // copy 4 bytes to position
+      }
+
+      std::string wlist_copy = words;
+      if (wlist.size() == 12)
+      {
+        memcpy(dst.data, dst.data + 16, 16);  // if electrum 12-word seed, duplicate
+        wlist_copy += ' ';
+        wlist_copy += words;
+      }
+
+      return true;
+    }
+
+    /* convert bytes to words, 4 bytes-> 3 words
+     * returns:
+     *    false if wrong number of bytes (shouldn't be possible)
+     *    true otherwise
+     */
+    bool bytes_to_words(const crypto::secret_key& src, std::string& words)
+    {
+      int n = NUMWORDS; // hardcoded because this is what electrum uses
+
+      if (sizeof(src.data) % 4 != 0) return false;
+
+      // 8 bytes -> 3 words.  8 digits base 16 -> 3 digits base 1626
+      for (unsigned int i=0; i < sizeof(src.data)/4; i++, words += ' ')
+      {
+        uint32_t w1, w2, w3;
+        
+        uint32_t val;
+
+        memcpy(&val, (src.data) + (i * 4), 4);
+
+        w1 = val % n;
+        w2 = ((val / n) + w1) % n;
+        w3 = (((val / n) / n) + w2) % n;
+
+        words += wordsArray[w1];
+        words += ' ';
+        words += wordsArray[w2];
+        words += ' ';
+        words += wordsArray[w3];
+      }
+      return false;
+    }
+
+  }  // namespace ElectrumWords
+
+}  // namespace crypto
diff --git a/src/crypto/electrum-words.h b/src/crypto/electrum-words.h
new file mode 100644
index 000000000..a533299bd
--- /dev/null
+++ b/src/crypto/electrum-words.h
@@ -0,0 +1,3280 @@
+/*
+ * This file and its cpp file are for translating Electrum-style word lists
+ * into their equivalent byte representations for cross-compatibility with
+ * that method of "backing up" one's wallet keys.
+ */
+
+#include <string>
+#include <cstdint>
+#include <map>
+#include "crypto/crypto.h"  // for declaration of crypto::secret_key
+
+namespace crypto
+{
+  namespace ElectrumWords
+  {
+
+    const int NUMWORDS = 1626;
+
+    bool words_to_bytes(const std::string& words, crypto::secret_key& dst);
+    bool bytes_to_words(const crypto::secret_key& src, std::string& words);
+
+    const std::map<std::string,uint32_t> wordsMap = {
+      {"like", 0},
+      {"just", 1},
+      {"love", 2},
+      {"know", 3},
+      {"never", 4},
+      {"want", 5},
+      {"time", 6},
+      {"out", 7},
+      {"there", 8},
+      {"make", 9},
+      {"look", 10},
+      {"eye", 11},
+      {"down", 12},
+      {"only", 13},
+      {"think", 14},
+      {"heart", 15},
+      {"back", 16},
+      {"then", 17},
+      {"into", 18},
+      {"about", 19},
+      {"more", 20},
+      {"away", 21},
+      {"still", 22},
+      {"them", 23},
+      {"take", 24},
+      {"thing", 25},
+      {"even", 26},
+      {"through", 27},
+      {"long", 28},
+      {"always", 29},
+      {"world", 30},
+      {"too", 31},
+      {"friend", 32},
+      {"tell", 33},
+      {"try", 34},
+      {"hand", 35},
+      {"thought", 36},
+      {"over", 37},
+      {"here", 38},
+      {"other", 39},
+      {"need", 40},
+      {"smile", 41},
+      {"again", 42},
+      {"much", 43},
+      {"cry", 44},
+      {"been", 45},
+      {"night", 46},
+      {"ever", 47},
+      {"little", 48},
+      {"said", 49},
+      {"end", 50},
+      {"some", 51},
+      {"those", 52},
+      {"around", 53},
+      {"mind", 54},
+      {"people", 55},
+      {"girl", 56},
+      {"leave", 57},
+      {"dream", 58},
+      {"left", 59},
+      {"turn", 60},
+      {"myself", 61},
+      {"give", 62},
+      {"nothing", 63},
+      {"really", 64},
+      {"off", 65},
+      {"before", 66},
+      {"something", 67},
+      {"find", 68},
+      {"walk", 69},
+      {"wish", 70},
+      {"good", 71},
+      {"once", 72},
+      {"place", 73},
+      {"ask", 74},
+      {"stop", 75},
+      {"keep", 76},
+      {"watch", 77},
+      {"seem", 78},
+      {"everything", 79},
+      {"wait", 80},
+      {"got", 81},
+      {"yet", 82},
+      {"made", 83},
+      {"remember", 84},
+      {"start", 85},
+      {"alone", 86},
+      {"run", 87},
+      {"hope", 88},
+      {"maybe", 89},
+      {"believe", 90},
+      {"body", 91},
+      {"hate", 92},
+      {"after", 93},
+      {"close", 94},
+      {"talk", 95},
+      {"stand", 96},
+      {"own", 97},
+      {"each", 98},
+      {"hurt", 99},
+      {"help", 100},
+      {"home", 101},
+      {"god", 102},
+      {"soul", 103},
+      {"new", 104},
+      {"many", 105},
+      {"two", 106},
+      {"inside", 107},
+      {"should", 108},
+      {"true", 109},
+      {"first", 110},
+      {"fear", 111},
+      {"mean", 112},
+      {"better", 113},
+      {"play", 114},
+      {"another", 115},
+      {"gone", 116},
+      {"change", 117},
+      {"use", 118},
+      {"wonder", 119},
+      {"someone", 120},
+      {"hair", 121},
+      {"cold", 122},
+      {"open", 123},
+      {"best", 124},
+      {"any", 125},
+      {"behind", 126},
+      {"happen", 127},
+      {"water", 128},
+      {"dark", 129},
+      {"laugh", 130},
+      {"stay", 131},
+      {"forever", 132},
+      {"name", 133},
+      {"work", 134},
+      {"show", 135},
+      {"sky", 136},
+      {"break", 137},
+      {"came", 138},
+      {"deep", 139},
+      {"door", 140},
+      {"put", 141},
+      {"black", 142},
+      {"together", 143},
+      {"upon", 144},
+      {"happy", 145},
+      {"such", 146},
+      {"great", 147},
+      {"white", 148},
+      {"matter", 149},
+      {"fill", 150},
+      {"past", 151},
+      {"please", 152},
+      {"burn", 153},
+      {"cause", 154},
+      {"enough", 155},
+      {"touch", 156},
+      {"moment", 157},
+      {"soon", 158},
+      {"voice", 159},
+      {"scream", 160},
+      {"anything", 161},
+      {"stare", 162},
+      {"sound", 163},
+      {"red", 164},
+      {"everyone", 165},
+      {"hide", 166},
+      {"kiss", 167},
+      {"truth", 168},
+      {"death", 169},
+      {"beautiful", 170},
+      {"mine", 171},
+      {"blood", 172},
+      {"broken", 173},
+      {"very", 174},
+      {"pass", 175},
+      {"next", 176},
+      {"forget", 177},
+      {"tree", 178},
+      {"wrong", 179},
+      {"air", 180},
+      {"mother", 181},
+      {"understand", 182},
+      {"lip", 183},
+      {"hit", 184},
+      {"wall", 185},
+      {"memory", 186},
+      {"sleep", 187},
+      {"free", 188},
+      {"high", 189},
+      {"realize", 190},
+      {"school", 191},
+      {"might", 192},
+      {"skin", 193},
+      {"sweet", 194},
+      {"perfect", 195},
+      {"blue", 196},
+      {"kill", 197},
+      {"breath", 198},
+      {"dance", 199},
+      {"against", 200},
+      {"fly", 201},
+      {"between", 202},
+      {"grow", 203},
+      {"strong", 204},
+      {"under", 205},
+      {"listen", 206},
+      {"bring", 207},
+      {"sometimes", 208},
+      {"speak", 209},
+      {"pull", 210},
+      {"person", 211},
+      {"become", 212},
+      {"family", 213},
+      {"begin", 214},
+      {"ground", 215},
+      {"real", 216},
+      {"small", 217},
+      {"father", 218},
+      {"sure", 219},
+      {"feet", 220},
+      {"rest", 221},
+      {"young", 222},
+      {"finally", 223},
+      {"land", 224},
+      {"across", 225},
+      {"today", 226},
+      {"different", 227},
+      {"guy", 228},
+      {"line", 229},
+      {"fire", 230},
+      {"reason", 231},
+      {"reach", 232},
+      {"second", 233},
+      {"slowly", 234},
+      {"write", 235},
+      {"eat", 236},
+      {"smell", 237},
+      {"mouth", 238},
+      {"step", 239},
+      {"learn", 240},
+      {"three", 241},
+      {"floor", 242},
+      {"promise", 243},
+      {"breathe", 244},
+      {"darkness", 245},
+      {"push", 246},
+      {"earth", 247},
+      {"guess", 248},
+      {"save", 249},
+      {"song", 250},
+      {"above", 251},
+      {"along", 252},
+      {"both", 253},
+      {"color", 254},
+      {"house", 255},
+      {"almost", 256},
+      {"sorry", 257},
+      {"anymore", 258},
+      {"brother", 259},
+      {"okay", 260},
+      {"dear", 261},
+      {"game", 262},
+      {"fade", 263},
+      {"already", 264},
+      {"apart", 265},
+      {"warm", 266},
+      {"beauty", 267},
+      {"heard", 268},
+      {"notice", 269},
+      {"question", 270},
+      {"shine", 271},
+      {"began", 272},
+      {"piece", 273},
+      {"whole", 274},
+      {"shadow", 275},
+      {"secret", 276},
+      {"street", 277},
+      {"within", 278},
+      {"finger", 279},
+      {"point", 280},
+      {"morning", 281},
+      {"whisper", 282},
+      {"child", 283},
+      {"moon", 284},
+      {"green", 285},
+      {"story", 286},
+      {"glass", 287},
+      {"kid", 288},
+      {"silence", 289},
+      {"since", 290},
+      {"soft", 291},
+      {"yourself", 292},
+      {"empty", 293},
+      {"shall", 294},
+      {"angel", 295},
+      {"answer", 296},
+      {"baby", 297},
+      {"bright", 298},
+      {"dad", 299},
+      {"path", 300},
+      {"worry", 301},
+      {"hour", 302},
+      {"drop", 303},
+      {"follow", 304},
+      {"power", 305},
+      {"war", 306},
+      {"half", 307},
+      {"flow", 308},
+      {"heaven", 309},
+      {"act", 310},
+      {"chance", 311},
+      {"fact", 312},
+      {"least", 313},
+      {"tired", 314},
+      {"children", 315},
+      {"near", 316},
+      {"quite", 317},
+      {"afraid", 318},
+      {"rise", 319},
+      {"sea", 320},
+      {"taste", 321},
+      {"window", 322},
+      {"cover", 323},
+      {"nice", 324},
+      {"trust", 325},
+      {"lot", 326},
+      {"sad", 327},
+      {"cool", 328},
+      {"force", 329},
+      {"peace", 330},
+      {"return", 331},
+      {"blind", 332},
+      {"easy", 333},
+      {"ready", 334},
+      {"roll", 335},
+      {"rose", 336},
+      {"drive", 337},
+      {"held", 338},
+      {"music", 339},
+      {"beneath", 340},
+      {"hang", 341},
+      {"mom", 342},
+      {"paint", 343},
+      {"emotion", 344},
+      {"quiet", 345},
+      {"clear", 346},
+      {"cloud", 347},
+      {"few", 348},
+      {"pretty", 349},
+      {"bird", 350},
+      {"outside", 351},
+      {"paper", 352},
+      {"picture", 353},
+      {"front", 354},
+      {"rock", 355},
+      {"simple", 356},
+      {"anyone", 357},
+      {"meant", 358},
+      {"reality", 359},
+      {"road", 360},
+      {"sense", 361},
+      {"waste", 362},
+      {"bit", 363},
+      {"leaf", 364},
+      {"thank", 365},
+      {"happiness", 366},
+      {"meet", 367},
+      {"men", 368},
+      {"smoke", 369},
+      {"truly", 370},
+      {"decide", 371},
+      {"self", 372},
+      {"age", 373},
+      {"book", 374},
+      {"form", 375},
+      {"alive", 376},
+      {"carry", 377},
+      {"escape", 378},
+      {"damn", 379},
+      {"instead", 380},
+      {"able", 381},
+      {"ice", 382},
+      {"minute", 383},
+      {"throw", 384},
+      {"catch", 385},
+      {"leg", 386},
+      {"ring", 387},
+      {"course", 388},
+      {"goodbye", 389},
+      {"lead", 390},
+      {"poem", 391},
+      {"sick", 392},
+      {"corner", 393},
+      {"desire", 394},
+      {"known", 395},
+      {"problem", 396},
+      {"remind", 397},
+      {"shoulder", 398},
+      {"suppose", 399},
+      {"toward", 400},
+      {"wave", 401},
+      {"drink", 402},
+      {"jump", 403},
+      {"woman", 404},
+      {"pretend", 405},
+      {"sister", 406},
+      {"week", 407},
+      {"human", 408},
+      {"joy", 409},
+      {"crack", 410},
+      {"grey", 411},
+      {"pray", 412},
+      {"surprise", 413},
+      {"dry", 414},
+      {"knee", 415},
+      {"less", 416},
+      {"search", 417},
+      {"bleed", 418},
+      {"caught", 419},
+      {"clean", 420},
+      {"embrace", 421},
+      {"future", 422},
+      {"king", 423},
+      {"son", 424},
+      {"sorrow", 425},
+      {"chest", 426},
+      {"hug", 427},
+      {"remain", 428},
+      {"sat", 429},
+      {"worth", 430},
+      {"blow", 431},
+      {"daddy", 432},
+      {"final", 433},
+      {"parent", 434},
+      {"tight", 435},
+      {"also", 436},
+      {"create", 437},
+      {"lonely", 438},
+      {"safe", 439},
+      {"cross", 440},
+      {"dress", 441},
+      {"evil", 442},
+      {"silent", 443},
+      {"bone", 444},
+      {"fate", 445},
+      {"perhaps", 446},
+      {"anger", 447},
+      {"class", 448},
+      {"scar", 449},
+      {"snow", 450},
+      {"tiny", 451},
+      {"tonight", 452},
+      {"continue", 453},
+      {"control", 454},
+      {"dog", 455},
+      {"edge", 456},
+      {"mirror", 457},
+      {"month", 458},
+      {"suddenly", 459},
+      {"comfort", 460},
+      {"given", 461},
+      {"loud", 462},
+      {"quickly", 463},
+      {"gaze", 464},
+      {"plan", 465},
+      {"rush", 466},
+      {"stone", 467},
+      {"town", 468},
+      {"battle", 469},
+      {"ignore", 470},
+      {"spirit", 471},
+      {"stood", 472},
+      {"stupid", 473},
+      {"yours", 474},
+      {"brown", 475},
+      {"build", 476},
+      {"dust", 477},
+      {"hey", 478},
+      {"kept", 479},
+      {"pay", 480},
+      {"phone", 481},
+      {"twist", 482},
+      {"although", 483},
+      {"ball", 484},
+      {"beyond", 485},
+      {"hidden", 486},
+      {"nose", 487},
+      {"taken", 488},
+      {"fail", 489},
+      {"float", 490},
+      {"pure", 491},
+      {"somehow", 492},
+      {"wash", 493},
+      {"wrap", 494},
+      {"angry", 495},
+      {"cheek", 496},
+      {"creature", 497},
+      {"forgotten", 498},
+      {"heat", 499},
+      {"rip", 500},
+      {"single", 501},
+      {"space", 502},
+      {"special", 503},
+      {"weak", 504},
+      {"whatever", 505},
+      {"yell", 506},
+      {"anyway", 507},
+      {"blame", 508},
+      {"job", 509},
+      {"choose", 510},
+      {"country", 511},
+      {"curse", 512},
+      {"drift", 513},
+      {"echo", 514},
+      {"figure", 515},
+      {"grew", 516},
+      {"laughter", 517},
+      {"neck", 518},
+      {"suffer", 519},
+      {"worse", 520},
+      {"yeah", 521},
+      {"disappear", 522},
+      {"foot", 523},
+      {"forward", 524},
+      {"knife", 525},
+      {"mess", 526},
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+      {"price", 1309},
+      {"remove", 1310},
+      {"roam", 1311},
+      {"sanctuary", 1312},
+      {"serious", 1313},
+      {"shiny", 1314},
+      {"shook", 1315},
+      {"sob", 1316},
+      {"stolen", 1317},
+      {"tap", 1318},
+      {"vain", 1319},
+      {"void", 1320},
+      {"warrior", 1321},
+      {"wrinkle", 1322},
+      {"affection", 1323},
+      {"apologize", 1324},
+      {"blossom", 1325},
+      {"bounce", 1326},
+      {"bridge", 1327},
+      {"cheap", 1328},
+      {"crumble", 1329},
+      {"decision", 1330},
+      {"descend", 1331},
+      {"desperately", 1332},
+      {"dig", 1333},
+      {"dot", 1334},
+      {"flip", 1335},
+      {"frighten", 1336},
+      {"heartbeat", 1337},
+      {"huge", 1338},
+      {"lazy", 1339},
+      {"lick", 1340},
+      {"odd", 1341},
+      {"opinion", 1342},
+      {"process", 1343},
+      {"puzzle", 1344},
+      {"quietly", 1345},
+      {"retreat", 1346},
+      {"score", 1347},
+      {"sentence", 1348},
+      {"separate", 1349},
+      {"situation", 1350},
+      {"skill", 1351},
+      {"soak", 1352},
+      {"square", 1353},
+      {"stray", 1354},
+      {"taint", 1355},
+      {"task", 1356},
+      {"tide", 1357},
+      {"underneath", 1358},
+      {"veil", 1359},
+      {"whistle", 1360},
+      {"anywhere", 1361},
+      {"bedroom", 1362},
+      {"bid", 1363},
+      {"bloody", 1364},
+      {"burden", 1365},
+      {"careful", 1366},
+      {"compare", 1367},
+      {"concern", 1368},
+      {"curtain", 1369},
+      {"decay", 1370},
+      {"defeat", 1371},
+      {"describe", 1372},
+      {"double", 1373},
+      {"dreamer", 1374},
+      {"driver", 1375},
+      {"dwell", 1376},
+      {"evening", 1377},
+      {"flare", 1378},
+      {"flicker", 1379},
+      {"grandma", 1380},
+      {"guitar", 1381},
+      {"harm", 1382},
+      {"horrible", 1383},
+      {"hungry", 1384},
+      {"indeed", 1385},
+      {"lace", 1386},
+      {"melody", 1387},
+      {"monkey", 1388},
+      {"nation", 1389},
+      {"object", 1390},
+      {"obviously", 1391},
+      {"rainbow", 1392},
+      {"salt", 1393},
+      {"scratch", 1394},
+      {"shown", 1395},
+      {"shy", 1396},
+      {"stage", 1397},
+      {"stun", 1398},
+      {"third", 1399},
+      {"tickle", 1400},
+      {"useless", 1401},
+      {"weakness", 1402},
+      {"worship", 1403},
+      {"worthless", 1404},
+      {"afternoon", 1405},
+      {"beard", 1406},
+      {"boyfriend", 1407},
+      {"bubble", 1408},
+      {"busy", 1409},
+      {"certain", 1410},
+      {"chin", 1411},
+      {"concrete", 1412},
+      {"desk", 1413},
+      {"diamond", 1414},
+      {"doom", 1415},
+      {"drawn", 1416},
+      {"due", 1417},
+      {"felicity", 1418},
+      {"freeze", 1419},
+      {"frost", 1420},
+      {"garden", 1421},
+      {"glide", 1422},
+      {"harmony", 1423},
+      {"hopefully", 1424},
+      {"hunt", 1425},
+      {"jealous", 1426},
+      {"lightning", 1427},
+      {"mama", 1428},
+      {"mercy", 1429},
+      {"peel", 1430},
+      {"physical", 1431},
+      {"position", 1432},
+      {"pulse", 1433},
+      {"punch", 1434},
+      {"quit", 1435},
+      {"rant", 1436},
+      {"respond", 1437},
+      {"salty", 1438},
+      {"sane", 1439},
+      {"satisfy", 1440},
+      {"savior", 1441},
+      {"sheep", 1442},
+      {"slept", 1443},
+      {"social", 1444},
+      {"sport", 1445},
+      {"tuck", 1446},
+      {"utter", 1447},
+      {"valley", 1448},
+      {"wolf", 1449},
+      {"aim", 1450},
+      {"alas", 1451},
+      {"alter", 1452},
+      {"arrow", 1453},
+      {"awaken", 1454},
+      {"beaten", 1455},
+      {"belief", 1456},
+      {"brand", 1457},
+      {"ceiling", 1458},
+      {"cheese", 1459},
+      {"clue", 1460},
+      {"confidence", 1461},
+      {"connection", 1462},
+      {"daily", 1463},
+      {"disguise", 1464},
+      {"eager", 1465},
+      {"erase", 1466},
+      {"essence", 1467},
+      {"everytime", 1468},
+      {"expression", 1469},
+      {"fan", 1470},
+      {"flag", 1471},
+      {"flirt", 1472},
+      {"foul", 1473},
+      {"fur", 1474},
+      {"giggle", 1475},
+      {"glorious", 1476},
+      {"ignorance", 1477},
+      {"law", 1478},
+      {"lifeless", 1479},
+      {"measure", 1480},
+      {"mighty", 1481},
+      {"muse", 1482},
+      {"north", 1483},
+      {"opposite", 1484},
+      {"paradise", 1485},
+      {"patience", 1486},
+      {"patient", 1487},
+      {"pencil", 1488},
+      {"petal", 1489},
+      {"plate", 1490},
+      {"ponder", 1491},
+      {"possibly", 1492},
+      {"practice", 1493},
+      {"slice", 1494},
+      {"spell", 1495},
+      {"stock", 1496},
+      {"strife", 1497},
+      {"strip", 1498},
+      {"suffocate", 1499},
+      {"suit", 1500},
+      {"tender", 1501},
+      {"tool", 1502},
+      {"trade", 1503},
+      {"velvet", 1504},
+      {"verse", 1505},
+      {"waist", 1506},
+      {"witch", 1507},
+      {"aunt", 1508},
+      {"bench", 1509},
+      {"bold", 1510},
+      {"cap", 1511},
+      {"certainly", 1512},
+      {"click", 1513},
+      {"companion", 1514},
+      {"creator", 1515},
+      {"dart", 1516},
+      {"delicate", 1517},
+      {"determine", 1518},
+      {"dish", 1519},
+      {"dragon", 1520},
+      {"drama", 1521},
+      {"drum", 1522},
+      {"dude", 1523},
+      {"everybody", 1524},
+      {"feast", 1525},
+      {"forehead", 1526},
+      {"former", 1527},
+      {"fright", 1528},
+      {"fully", 1529},
+      {"gas", 1530},
+      {"hook", 1531},
+      {"hurl", 1532},
+      {"invite", 1533},
+      {"juice", 1534},
+      {"manage", 1535},
+      {"moral", 1536},
+      {"possess", 1537},
+      {"raw", 1538},
+      {"rebel", 1539},
+      {"royal", 1540},
+      {"scale", 1541},
+      {"scary", 1542},
+      {"several", 1543},
+      {"slight", 1544},
+      {"stubborn", 1545},
+      {"swell", 1546},
+      {"talent", 1547},
+      {"tea", 1548},
+      {"terrible", 1549},
+      {"thread", 1550},
+      {"torment", 1551},
+      {"trickle", 1552},
+      {"usually", 1553},
+      {"vast", 1554},
+      {"violence", 1555},
+      {"weave", 1556},
+      {"acid", 1557},
+      {"agony", 1558},
+      {"ashamed", 1559},
+      {"awe", 1560},
+      {"belly", 1561},
+      {"blend", 1562},
+      {"blush", 1563},
+      {"character", 1564},
+      {"cheat", 1565},
+      {"common", 1566},
+      {"company", 1567},
+      {"coward", 1568},
+      {"creak", 1569},
+      {"danger", 1570},
+      {"deadly", 1571},
+      {"defense", 1572},
+      {"define", 1573},
+      {"depend", 1574},
+      {"desperate", 1575},
+      {"destination", 1576},
+      {"dew", 1577},
+      {"duck", 1578},
+      {"dusty", 1579},
+      {"embarrass", 1580},
+      {"engine", 1581},
+      {"example", 1582},
+      {"explore", 1583},
+      {"foe", 1584},
+      {"freely", 1585},
+      {"frustrate", 1586},
+      {"generation", 1587},
+      {"glove", 1588},
+      {"guilty", 1589},
+      {"health", 1590},
+      {"hurry", 1591},
+      {"idiot", 1592},
+      {"impossible", 1593},
+      {"inhale", 1594},
+      {"jaw", 1595},
+      {"kingdom", 1596},
+      {"mention", 1597},
+      {"mist", 1598},
+      {"moan", 1599},
+      {"mumble", 1600},
+      {"mutter", 1601},
+      {"observe", 1602},
+      {"ode", 1603},
+      {"pathetic", 1604},
+      {"pattern", 1605},
+      {"pie", 1606},
+      {"prefer", 1607},
+      {"puff", 1608},
+      {"rape", 1609},
+      {"rare", 1610},
+      {"revenge", 1611},
+      {"rude", 1612},
+      {"scrape", 1613},
+      {"spiral", 1614},
+      {"squeeze", 1615},
+      {"strain", 1616},
+      {"sunset", 1617},
+      {"suspend", 1618},
+      {"sympathy", 1619},
+      {"thigh", 1620},
+      {"throne", 1621},
+      {"total", 1622},
+      {"unseen", 1623},
+      {"weapon", 1624},
+      {"weary", 1625}
+    };
+
+    const std::string wordsArray[] = {
+      "like",
+      "just",
+      "love",
+      "know",
+      "never",
+      "want",
+      "time",
+      "out",
+      "there",
+      "make",
+      "look",
+      "eye",
+      "down",
+      "only",
+      "think",
+      "heart",
+      "back",
+      "then",
+      "into",
+      "about",
+      "more",
+      "away",
+      "still",
+      "them",
+      "take",
+      "thing",
+      "even",
+      "through",
+      "long",
+      "always",
+      "world",
+      "too",
+      "friend",
+      "tell",
+      "try",
+      "hand",
+      "thought",
+      "over",
+      "here",
+      "other",
+      "need",
+      "smile",
+      "again",
+      "much",
+      "cry",
+      "been",
+      "night",
+      "ever",
+      "little",
+      "said",
+      "end",
+      "some",
+      "those",
+      "around",
+      "mind",
+      "people",
+      "girl",
+      "leave",
+      "dream",
+      "left",
+      "turn",
+      "myself",
+      "give",
+      "nothing",
+      "really",
+      "off",
+      "before",
+      "something",
+      "find",
+      "walk",
+      "wish",
+      "good",
+      "once",
+      "place",
+      "ask",
+      "stop",
+      "keep",
+      "watch",
+      "seem",
+      "everything",
+      "wait",
+      "got",
+      "yet",
+      "made",
+      "remember",
+      "start",
+      "alone",
+      "run",
+      "hope",
+      "maybe",
+      "believe",
+      "body",
+      "hate",
+      "after",
+      "close",
+      "talk",
+      "stand",
+      "own",
+      "each",
+      "hurt",
+      "help",
+      "home",
+      "god",
+      "soul",
+      "new",
+      "many",
+      "two",
+      "inside",
+      "should",
+      "true",
+      "first",
+      "fear",
+      "mean",
+      "better",
+      "play",
+      "another",
+      "gone",
+      "change",
+      "use",
+      "wonder",
+      "someone",
+      "hair",
+      "cold",
+      "open",
+      "best",
+      "any",
+      "behind",
+      "happen",
+      "water",
+      "dark",
+      "laugh",
+      "stay",
+      "forever",
+      "name",
+      "work",
+      "show",
+      "sky",
+      "break",
+      "came",
+      "deep",
+      "door",
+      "put",
+      "black",
+      "together",
+      "upon",
+      "happy",
+      "such",
+      "great",
+      "white",
+      "matter",
+      "fill",
+      "past",
+      "please",
+      "burn",
+      "cause",
+      "enough",
+      "touch",
+      "moment",
+      "soon",
+      "voice",
+      "scream",
+      "anything",
+      "stare",
+      "sound",
+      "red",
+      "everyone",
+      "hide",
+      "kiss",
+      "truth",
+      "death",
+      "beautiful",
+      "mine",
+      "blood",
+      "broken",
+      "very",
+      "pass",
+      "next",
+      "forget",
+      "tree",
+      "wrong",
+      "air",
+      "mother",
+      "understand",
+      "lip",
+      "hit",
+      "wall",
+      "memory",
+      "sleep",
+      "free",
+      "high",
+      "realize",
+      "school",
+      "might",
+      "skin",
+      "sweet",
+      "perfect",
+      "blue",
+      "kill",
+      "breath",
+      "dance",
+      "against",
+      "fly",
+      "between",
+      "grow",
+      "strong",
+      "under",
+      "listen",
+      "bring",
+      "sometimes",
+      "speak",
+      "pull",
+      "person",
+      "become",
+      "family",
+      "begin",
+      "ground",
+      "real",
+      "small",
+      "father",
+      "sure",
+      "feet",
+      "rest",
+      "young",
+      "finally",
+      "land",
+      "across",
+      "today",
+      "different",
+      "guy",
+      "line",
+      "fire",
+      "reason",
+      "reach",
+      "second",
+      "slowly",
+      "write",
+      "eat",
+      "smell",
+      "mouth",
+      "step",
+      "learn",
+      "three",
+      "floor",
+      "promise",
+      "breathe",
+      "darkness",
+      "push",
+      "earth",
+      "guess",
+      "save",
+      "song",
+      "above",
+      "along",
+      "both",
+      "color",
+      "house",
+      "almost",
+      "sorry",
+      "anymore",
+      "brother",
+      "okay",
+      "dear",
+      "game",
+      "fade",
+      "already",
+      "apart",
+      "warm",
+      "beauty",
+      "heard",
+      "notice",
+      "question",
+      "shine",
+      "began",
+      "piece",
+      "whole",
+      "shadow",
+      "secret",
+      "street",
+      "within",
+      "finger",
+      "point",
+      "morning",
+      "whisper",
+      "child",
+      "moon",
+      "green",
+      "story",
+      "glass",
+      "kid",
+      "silence",
+      "since",
+      "soft",
+      "yourself",
+      "empty",
+      "shall",
+      "angel",
+      "answer",
+      "baby",
+      "bright",
+      "dad",
+      "path",
+      "worry",
+      "hour",
+      "drop",
+      "follow",
+      "power",
+      "war",
+      "half",
+      "flow",
+      "heaven",
+      "act",
+      "chance",
+      "fact",
+      "least",
+      "tired",
+      "children",
+      "near",
+      "quite",
+      "afraid",
+      "rise",
+      "sea",
+      "taste",
+      "window",
+      "cover",
+      "nice",
+      "trust",
+      "lot",
+      "sad",
+      "cool",
+      "force",
+      "peace",
+      "return",
+      "blind",
+      "easy",
+      "ready",
+      "roll",
+      "rose",
+      "drive",
+      "held",
+      "music",
+      "beneath",
+      "hang",
+      "mom",
+      "paint",
+      "emotion",
+      "quiet",
+      "clear",
+      "cloud",
+      "few",
+      "pretty",
+      "bird",
+      "outside",
+      "paper",
+      "picture",
+      "front",
+      "rock",
+      "simple",
+      "anyone",
+      "meant",
+      "reality",
+      "road",
+      "sense",
+      "waste",
+      "bit",
+      "leaf",
+      "thank",
+      "happiness",
+      "meet",
+      "men",
+      "smoke",
+      "truly",
+      "decide",
+      "self",
+      "age",
+      "book",
+      "form",
+      "alive",
+      "carry",
+      "escape",
+      "damn",
+      "instead",
+      "able",
+      "ice",
+      "minute",
+      "throw",
+      "catch",
+      "leg",
+      "ring",
+      "course",
+      "goodbye",
+      "lead",
+      "poem",
+      "sick",
+      "corner",
+      "desire",
+      "known",
+      "problem",
+      "remind",
+      "shoulder",
+      "suppose",
+      "toward",
+      "wave",
+      "drink",
+      "jump",
+      "woman",
+      "pretend",
+      "sister",
+      "week",
+      "human",
+      "joy",
+      "crack",
+      "grey",
+      "pray",
+      "surprise",
+      "dry",
+      "knee",
+      "less",
+      "search",
+      "bleed",
+      "caught",
+      "clean",
+      "embrace",
+      "future",
+      "king",
+      "son",
+      "sorrow",
+      "chest",
+      "hug",
+      "remain",
+      "sat",
+      "worth",
+      "blow",
+      "daddy",
+      "final",
+      "parent",
+      "tight",
+      "also",
+      "create",
+      "lonely",
+      "safe",
+      "cross",
+      "dress",
+      "evil",
+      "silent",
+      "bone",
+      "fate",
+      "perhaps",
+      "anger",
+      "class",
+      "scar",
+      "snow",
+      "tiny",
+      "tonight",
+      "continue",
+      "control",
+      "dog",
+      "edge",
+      "mirror",
+      "month",
+      "suddenly",
+      "comfort",
+      "given",
+      "loud",
+      "quickly",
+      "gaze",
+      "plan",
+      "rush",
+      "stone",
+      "town",
+      "battle",
+      "ignore",
+      "spirit",
+      "stood",
+      "stupid",
+      "yours",
+      "brown",
+      "build",
+      "dust",
+      "hey",
+      "kept",
+      "pay",
+      "phone",
+      "twist",
+      "although",
+      "ball",
+      "beyond",
+      "hidden",
+      "nose",
+      "taken",
+      "fail",
+      "float",
+      "pure",
+      "somehow",
+      "wash",
+      "wrap",
+      "angry",
+      "cheek",
+      "creature",
+      "forgotten",
+      "heat",
+      "rip",
+      "single",
+      "space",
+      "special",
+      "weak",
+      "whatever",
+      "yell",
+      "anyway",
+      "blame",
+      "job",
+      "choose",
+      "country",
+      "curse",
+      "drift",
+      "echo",
+      "figure",
+      "grew",
+      "laughter",
+      "neck",
+      "suffer",
+      "worse",
+      "yeah",
+      "disappear",
+      "foot",
+      "forward",
+      "knife",
+      "mess",
+      "somewhere",
+      "stomach",
+      "storm",
+      "beg",
+      "idea",
+      "lift",
+      "offer",
+      "breeze",
+      "field",
+      "five",
+      "often",
+      "simply",
+      "stuck",
+      "win",
+      "allow",
+      "confuse",
+      "enjoy",
+      "except",
+      "flower",
+      "seek",
+      "strength",
+      "calm",
+      "grin",
+      "gun",
+      "heavy",
+      "hill",
+      "large",
+      "ocean",
+      "shoe",
+      "sigh",
+      "straight",
+      "summer",
+      "tongue",
+      "accept",
+      "crazy",
+      "everyday",
+      "exist",
+      "grass",
+      "mistake",
+      "sent",
+      "shut",
+      "surround",
+      "table",
+      "ache",
+      "brain",
+      "destroy",
+      "heal",
+      "nature",
+      "shout",
+      "sign",
+      "stain",
+      "choice",
+      "doubt",
+      "glance",
+      "glow",
+      "mountain",
+      "queen",
+      "stranger",
+      "throat",
+      "tomorrow",
+      "city",
+      "either",
+      "fish",
+      "flame",
+      "rather",
+      "shape",
+      "spin",
+      "spread",
+      "ash",
+      "distance",
+      "finish",
+      "image",
+      "imagine",
+      "important",
+      "nobody",
+      "shatter",
+      "warmth",
+      "became",
+      "feed",
+      "flesh",
+      "funny",
+      "lust",
+      "shirt",
+      "trouble",
+      "yellow",
+      "attention",
+      "bare",
+      "bite",
+      "money",
+      "protect",
+      "amaze",
+      "appear",
+      "born",
+      "choke",
+      "completely",
+      "daughter",
+      "fresh",
+      "friendship",
+      "gentle",
+      "probably",
+      "six",
+      "deserve",
+      "expect",
+      "grab",
+      "middle",
+      "nightmare",
+      "river",
+      "thousand",
+      "weight",
+      "worst",
+      "wound",
+      "barely",
+      "bottle",
+      "cream",
+      "regret",
+      "relationship",
+      "stick",
+      "test",
+      "crush",
+      "endless",
+      "fault",
+      "itself",
+      "rule",
+      "spill",
+      "art",
+      "circle",
+      "join",
+      "kick",
+      "mask",
+      "master",
+      "passion",
+      "quick",
+      "raise",
+      "smooth",
+      "unless",
+      "wander",
+      "actually",
+      "broke",
+      "chair",
+      "deal",
+      "favorite",
+      "gift",
+      "note",
+      "number",
+      "sweat",
+      "box",
+      "chill",
+      "clothes",
+      "lady",
+      "mark",
+      "park",
+      "poor",
+      "sadness",
+      "tie",
+      "animal",
+      "belong",
+      "brush",
+      "consume",
+      "dawn",
+      "forest",
+      "innocent",
+      "pen",
+      "pride",
+      "stream",
+      "thick",
+      "clay",
+      "complete",
+      "count",
+      "draw",
+      "faith",
+      "press",
+      "silver",
+      "struggle",
+      "surface",
+      "taught",
+      "teach",
+      "wet",
+      "bless",
+      "chase",
+      "climb",
+      "enter",
+      "letter",
+      "melt",
+      "metal",
+      "movie",
+      "stretch",
+      "swing",
+      "vision",
+      "wife",
+      "beside",
+      "crash",
+      "forgot",
+      "guide",
+      "haunt",
+      "joke",
+      "knock",
+      "plant",
+      "pour",
+      "prove",
+      "reveal",
+      "steal",
+      "stuff",
+      "trip",
+      "wood",
+      "wrist",
+      "bother",
+      "bottom",
+      "crawl",
+      "crowd",
+      "fix",
+      "forgive",
+      "frown",
+      "grace",
+      "loose",
+      "lucky",
+      "party",
+      "release",
+      "surely",
+      "survive",
+      "teacher",
+      "gently",
+      "grip",
+      "speed",
+      "suicide",
+      "travel",
+      "treat",
+      "vein",
+      "written",
+      "cage",
+      "chain",
+      "conversation",
+      "date",
+      "enemy",
+      "however",
+      "interest",
+      "million",
+      "page",
+      "pink",
+      "proud",
+      "sway",
+      "themselves",
+      "winter",
+      "church",
+      "cruel",
+      "cup",
+      "demon",
+      "experience",
+      "freedom",
+      "pair",
+      "pop",
+      "purpose",
+      "respect",
+      "shoot",
+      "softly",
+      "state",
+      "strange",
+      "bar",
+      "birth",
+      "curl",
+      "dirt",
+      "excuse",
+      "lord",
+      "lovely",
+      "monster",
+      "order",
+      "pack",
+      "pants",
+      "pool",
+      "scene",
+      "seven",
+      "shame",
+      "slide",
+      "ugly",
+      "among",
+      "blade",
+      "blonde",
+      "closet",
+      "creek",
+      "deny",
+      "drug",
+      "eternity",
+      "gain",
+      "grade",
+      "handle",
+      "key",
+      "linger",
+      "pale",
+      "prepare",
+      "swallow",
+      "swim",
+      "tremble",
+      "wheel",
+      "won",
+      "cast",
+      "cigarette",
+      "claim",
+      "college",
+      "direction",
+      "dirty",
+      "gather",
+      "ghost",
+      "hundred",
+      "loss",
+      "lung",
+      "orange",
+      "present",
+      "swear",
+      "swirl",
+      "twice",
+      "wild",
+      "bitter",
+      "blanket",
+      "doctor",
+      "everywhere",
+      "flash",
+      "grown",
+      "knowledge",
+      "numb",
+      "pressure",
+      "radio",
+      "repeat",
+      "ruin",
+      "spend",
+      "unknown",
+      "buy",
+      "clock",
+      "devil",
+      "early",
+      "false",
+      "fantasy",
+      "pound",
+      "precious",
+      "refuse",
+      "sheet",
+      "teeth",
+      "welcome",
+      "add",
+      "ahead",
+      "block",
+      "bury",
+      "caress",
+      "content",
+      "depth",
+      "despite",
+      "distant",
+      "marry",
+      "purple",
+      "threw",
+      "whenever",
+      "bomb",
+      "dull",
+      "easily",
+      "grasp",
+      "hospital",
+      "innocence",
+      "normal",
+      "receive",
+      "reply",
+      "rhyme",
+      "shade",
+      "someday",
+      "sword",
+      "toe",
+      "visit",
+      "asleep",
+      "bought",
+      "center",
+      "consider",
+      "flat",
+      "hero",
+      "history",
+      "ink",
+      "insane",
+      "muscle",
+      "mystery",
+      "pocket",
+      "reflection",
+      "shove",
+      "silently",
+      "smart",
+      "soldier",
+      "spot",
+      "stress",
+      "train",
+      "type",
+      "view",
+      "whether",
+      "bus",
+      "energy",
+      "explain",
+      "holy",
+      "hunger",
+      "inch",
+      "magic",
+      "mix",
+      "noise",
+      "nowhere",
+      "prayer",
+      "presence",
+      "shock",
+      "snap",
+      "spider",
+      "study",
+      "thunder",
+      "trail",
+      "admit",
+      "agree",
+      "bag",
+      "bang",
+      "bound",
+      "butterfly",
+      "cute",
+      "exactly",
+      "explode",
+      "familiar",
+      "fold",
+      "further",
+      "pierce",
+      "reflect",
+      "scent",
+      "selfish",
+      "sharp",
+      "sink",
+      "spring",
+      "stumble",
+      "universe",
+      "weep",
+      "women",
+      "wonderful",
+      "action",
+      "ancient",
+      "attempt",
+      "avoid",
+      "birthday",
+      "branch",
+      "chocolate",
+      "core",
+      "depress",
+      "drunk",
+      "especially",
+      "focus",
+      "fruit",
+      "honest",
+      "match",
+      "palm",
+      "perfectly",
+      "pillow",
+      "pity",
+      "poison",
+      "roar",
+      "shift",
+      "slightly",
+      "thump",
+      "truck",
+      "tune",
+      "twenty",
+      "unable",
+      "wipe",
+      "wrote",
+      "coat",
+      "constant",
+      "dinner",
+      "drove",
+      "egg",
+      "eternal",
+      "flight",
+      "flood",
+      "frame",
+      "freak",
+      "gasp",
+      "glad",
+      "hollow",
+      "motion",
+      "peer",
+      "plastic",
+      "root",
+      "screen",
+      "season",
+      "sting",
+      "strike",
+      "team",
+      "unlike",
+      "victim",
+      "volume",
+      "warn",
+      "weird",
+      "attack",
+      "await",
+      "awake",
+      "built",
+      "charm",
+      "crave",
+      "despair",
+      "fought",
+      "grant",
+      "grief",
+      "horse",
+      "limit",
+      "message",
+      "ripple",
+      "sanity",
+      "scatter",
+      "serve",
+      "split",
+      "string",
+      "trick",
+      "annoy",
+      "blur",
+      "boat",
+      "brave",
+      "clearly",
+      "cling",
+      "connect",
+      "fist",
+      "forth",
+      "imagination",
+      "iron",
+      "jock",
+      "judge",
+      "lesson",
+      "milk",
+      "misery",
+      "nail",
+      "naked",
+      "ourselves",
+      "poet",
+      "possible",
+      "princess",
+      "sail",
+      "size",
+      "snake",
+      "society",
+      "stroke",
+      "torture",
+      "toss",
+      "trace",
+      "wise",
+      "bloom",
+      "bullet",
+      "cell",
+      "check",
+      "cost",
+      "darling",
+      "during",
+      "footstep",
+      "fragile",
+      "hallway",
+      "hardly",
+      "horizon",
+      "invisible",
+      "journey",
+      "midnight",
+      "mud",
+      "nod",
+      "pause",
+      "relax",
+      "shiver",
+      "sudden",
+      "value",
+      "youth",
+      "abuse",
+      "admire",
+      "blink",
+      "breast",
+      "bruise",
+      "constantly",
+      "couple",
+      "creep",
+      "curve",
+      "difference",
+      "dumb",
+      "emptiness",
+      "gotta",
+      "honor",
+      "plain",
+      "planet",
+      "recall",
+      "rub",
+      "ship",
+      "slam",
+      "soar",
+      "somebody",
+      "tightly",
+      "weather",
+      "adore",
+      "approach",
+      "bond",
+      "bread",
+      "burst",
+      "candle",
+      "coffee",
+      "cousin",
+      "crime",
+      "desert",
+      "flutter",
+      "frozen",
+      "grand",
+      "heel",
+      "hello",
+      "language",
+      "level",
+      "movement",
+      "pleasure",
+      "powerful",
+      "random",
+      "rhythm",
+      "settle",
+      "silly",
+      "slap",
+      "sort",
+      "spoken",
+      "steel",
+      "threaten",
+      "tumble",
+      "upset",
+      "aside",
+      "awkward",
+      "bee",
+      "blank",
+      "board",
+      "button",
+      "card",
+      "carefully",
+      "complain",
+      "crap",
+      "deeply",
+      "discover",
+      "drag",
+      "dread",
+      "effort",
+      "entire",
+      "fairy",
+      "giant",
+      "gotten",
+      "greet",
+      "illusion",
+      "jeans",
+      "leap",
+      "liquid",
+      "march",
+      "mend",
+      "nervous",
+      "nine",
+      "replace",
+      "rope",
+      "spine",
+      "stole",
+      "terror",
+      "accident",
+      "apple",
+      "balance",
+      "boom",
+      "childhood",
+      "collect",
+      "demand",
+      "depression",
+      "eventually",
+      "faint",
+      "glare",
+      "goal",
+      "group",
+      "honey",
+      "kitchen",
+      "laid",
+      "limb",
+      "machine",
+      "mere",
+      "mold",
+      "murder",
+      "nerve",
+      "painful",
+      "poetry",
+      "prince",
+      "rabbit",
+      "shelter",
+      "shore",
+      "shower",
+      "soothe",
+      "stair",
+      "steady",
+      "sunlight",
+      "tangle",
+      "tease",
+      "treasure",
+      "uncle",
+      "begun",
+      "bliss",
+      "canvas",
+      "cheer",
+      "claw",
+      "clutch",
+      "commit",
+      "crimson",
+      "crystal",
+      "delight",
+      "doll",
+      "existence",
+      "express",
+      "fog",
+      "football",
+      "gay",
+      "goose",
+      "guard",
+      "hatred",
+      "illuminate",
+      "mass",
+      "math",
+      "mourn",
+      "rich",
+      "rough",
+      "skip",
+      "stir",
+      "student",
+      "style",
+      "support",
+      "thorn",
+      "tough",
+      "yard",
+      "yearn",
+      "yesterday",
+      "advice",
+      "appreciate",
+      "autumn",
+      "bank",
+      "beam",
+      "bowl",
+      "capture",
+      "carve",
+      "collapse",
+      "confusion",
+      "creation",
+      "dove",
+      "feather",
+      "girlfriend",
+      "glory",
+      "government",
+      "harsh",
+      "hop",
+      "inner",
+      "loser",
+      "moonlight",
+      "neighbor",
+      "neither",
+      "peach",
+      "pig",
+      "praise",
+      "screw",
+      "shield",
+      "shimmer",
+      "sneak",
+      "stab",
+      "subject",
+      "throughout",
+      "thrown",
+      "tower",
+      "twirl",
+      "wow",
+      "army",
+      "arrive",
+      "bathroom",
+      "bump",
+      "cease",
+      "cookie",
+      "couch",
+      "courage",
+      "dim",
+      "guilt",
+      "howl",
+      "hum",
+      "husband",
+      "insult",
+      "led",
+      "lunch",
+      "mock",
+      "mostly",
+      "natural",
+      "nearly",
+      "needle",
+      "nerd",
+      "peaceful",
+      "perfection",
+      "pile",
+      "price",
+      "remove",
+      "roam",
+      "sanctuary",
+      "serious",
+      "shiny",
+      "shook",
+      "sob",
+      "stolen",
+      "tap",
+      "vain",
+      "void",
+      "warrior",
+      "wrinkle",
+      "affection",
+      "apologize",
+      "blossom",
+      "bounce",
+      "bridge",
+      "cheap",
+      "crumble",
+      "decision",
+      "descend",
+      "desperately",
+      "dig",
+      "dot",
+      "flip",
+      "frighten",
+      "heartbeat",
+      "huge",
+      "lazy",
+      "lick",
+      "odd",
+      "opinion",
+      "process",
+      "puzzle",
+      "quietly",
+      "retreat",
+      "score",
+      "sentence",
+      "separate",
+      "situation",
+      "skill",
+      "soak",
+      "square",
+      "stray",
+      "taint",
+      "task",
+      "tide",
+      "underneath",
+      "veil",
+      "whistle",
+      "anywhere",
+      "bedroom",
+      "bid",
+      "bloody",
+      "burden",
+      "careful",
+      "compare",
+      "concern",
+      "curtain",
+      "decay",
+      "defeat",
+      "describe",
+      "double",
+      "dreamer",
+      "driver",
+      "dwell",
+      "evening",
+      "flare",
+      "flicker",
+      "grandma",
+      "guitar",
+      "harm",
+      "horrible",
+      "hungry",
+      "indeed",
+      "lace",
+      "melody",
+      "monkey",
+      "nation",
+      "object",
+      "obviously",
+      "rainbow",
+      "salt",
+      "scratch",
+      "shown",
+      "shy",
+      "stage",
+      "stun",
+      "third",
+      "tickle",
+      "useless",
+      "weakness",
+      "worship",
+      "worthless",
+      "afternoon",
+      "beard",
+      "boyfriend",
+      "bubble",
+      "busy",
+      "certain",
+      "chin",
+      "concrete",
+      "desk",
+      "diamond",
+      "doom",
+      "drawn",
+      "due",
+      "felicity",
+      "freeze",
+      "frost",
+      "garden",
+      "glide",
+      "harmony",
+      "hopefully",
+      "hunt",
+      "jealous",
+      "lightning",
+      "mama",
+      "mercy",
+      "peel",
+      "physical",
+      "position",
+      "pulse",
+      "punch",
+      "quit",
+      "rant",
+      "respond",
+      "salty",
+      "sane",
+      "satisfy",
+      "savior",
+      "sheep",
+      "slept",
+      "social",
+      "sport",
+      "tuck",
+      "utter",
+      "valley",
+      "wolf",
+      "aim",
+      "alas",
+      "alter",
+      "arrow",
+      "awaken",
+      "beaten",
+      "belief",
+      "brand",
+      "ceiling",
+      "cheese",
+      "clue",
+      "confidence",
+      "connection",
+      "daily",
+      "disguise",
+      "eager",
+      "erase",
+      "essence",
+      "everytime",
+      "expression",
+      "fan",
+      "flag",
+      "flirt",
+      "foul",
+      "fur",
+      "giggle",
+      "glorious",
+      "ignorance",
+      "law",
+      "lifeless",
+      "measure",
+      "mighty",
+      "muse",
+      "north",
+      "opposite",
+      "paradise",
+      "patience",
+      "patient",
+      "pencil",
+      "petal",
+      "plate",
+      "ponder",
+      "possibly",
+      "practice",
+      "slice",
+      "spell",
+      "stock",
+      "strife",
+      "strip",
+      "suffocate",
+      "suit",
+      "tender",
+      "tool",
+      "trade",
+      "velvet",
+      "verse",
+      "waist",
+      "witch",
+      "aunt",
+      "bench",
+      "bold",
+      "cap",
+      "certainly",
+      "click",
+      "companion",
+      "creator",
+      "dart",
+      "delicate",
+      "determine",
+      "dish",
+      "dragon",
+      "drama",
+      "drum",
+      "dude",
+      "everybody",
+      "feast",
+      "forehead",
+      "former",
+      "fright",
+      "fully",
+      "gas",
+      "hook",
+      "hurl",
+      "invite",
+      "juice",
+      "manage",
+      "moral",
+      "possess",
+      "raw",
+      "rebel",
+      "royal",
+      "scale",
+      "scary",
+      "several",
+      "slight",
+      "stubborn",
+      "swell",
+      "talent",
+      "tea",
+      "terrible",
+      "thread",
+      "torment",
+      "trickle",
+      "usually",
+      "vast",
+      "violence",
+      "weave",
+      "acid",
+      "agony",
+      "ashamed",
+      "awe",
+      "belly",
+      "blend",
+      "blush",
+      "character",
+      "cheat",
+      "common",
+      "company",
+      "coward",
+      "creak",
+      "danger",
+      "deadly",
+      "defense",
+      "define",
+      "depend",
+      "desperate",
+      "destination",
+      "dew",
+      "duck",
+      "dusty",
+      "embarrass",
+      "engine",
+      "example",
+      "explore",
+      "foe",
+      "freely",
+      "frustrate",
+      "generation",
+      "glove",
+      "guilty",
+      "health",
+      "hurry",
+      "idiot",
+      "impossible",
+      "inhale",
+      "jaw",
+      "kingdom",
+      "mention",
+      "mist",
+      "moan",
+      "mumble",
+      "mutter",
+      "observe",
+      "ode",
+      "pathetic",
+      "pattern",
+      "pie",
+      "prefer",
+      "puff",
+      "rape",
+      "rare",
+      "revenge",
+      "rude",
+      "scrape",
+      "spiral",
+      "squeeze",
+      "strain",
+      "sunset",
+      "suspend",
+      "sympathy",
+      "thigh",
+      "throne",
+      "total",
+      "unseen",
+      "weapon",
+      "weary"
+    };
+  }
+}
diff --git a/src/cryptonote_core/account.cpp b/src/cryptonote_core/account.cpp
index ba39b9b77..7da1c6745 100644
--- a/src/cryptonote_core/account.cpp
+++ b/src/cryptonote_core/account.cpp
@@ -10,6 +10,10 @@
 #include "account.h"
 #include "warnings.h"
 #include "crypto/crypto.h"
+extern "C"
+{
+#include "crypto/blake256.h"
+}
 #include "cryptonote_core/cryptonote_basic_impl.h"
 #include "cryptonote_core/cryptonote_format_utils.h"
 using namespace std;
@@ -29,11 +33,17 @@ DISABLE_VS_WARNINGS(4244 4345)
     m_keys = account_keys();
   }
   //-----------------------------------------------------------------
-  void account_base::generate()
+  crypto::secret_key account_base::generate(const crypto::secret_key& recovery_key, bool recover, bool two_random)
   {
-    generate_keys(m_keys.m_account_address.m_spend_public_key, m_keys.m_spend_secret_key);
-    generate_keys(m_keys.m_account_address.m_view_public_key, m_keys.m_view_secret_key);
+    crypto::secret_key first = generate_keys(m_keys.m_account_address.m_spend_public_key, m_keys.m_spend_secret_key, recovery_key, recover);
+
+    // rng for generating second set of keys is hash of first rng.  means only one set of electrum-style words needed for recovery
+    crypto::secret_key second;
+    blake256_hash((uint8_t *)&second, (uint8_t *)&first, sizeof(crypto::secret_key));
+
+    generate_keys(m_keys.m_account_address.m_view_public_key, m_keys.m_view_secret_key, second, two_random ? false : true);
     m_creation_timestamp = time(NULL);
+    return first;
   }
   //-----------------------------------------------------------------
   const account_keys& account_base::get_keys() const
diff --git a/src/cryptonote_core/account.h b/src/cryptonote_core/account.h
index 8b525da97..cb77d7c4e 100644
--- a/src/cryptonote_core/account.h
+++ b/src/cryptonote_core/account.h
@@ -31,7 +31,7 @@ namespace cryptonote
   {
   public:
     account_base();
-    void generate();
+    crypto::secret_key generate(const crypto::secret_key& recovery_key = crypto::secret_key(), bool recover = false, bool two_random = false);
     const account_keys& get_keys() const;
     std::string get_public_address_str();
 
diff --git a/src/simplewallet/simplewallet.cpp b/src/simplewallet/simplewallet.cpp
index 4cab12c22..95d163f2e 100644
--- a/src/simplewallet/simplewallet.cpp
+++ b/src/simplewallet/simplewallet.cpp
@@ -17,6 +17,8 @@
 #include "rpc/core_rpc_server_commands_defs.h"
 #include "wallet/wallet_rpc_server.h"
 #include "version.h"
+#include "crypto/crypto.h"  // for crypto::secret_key definition
+#include "crypto/electrum-words.h"
 
 #if defined(WIN32)
 #include <crtdbg.h>
@@ -38,6 +40,9 @@ namespace
   const command_line::arg_descriptor<std::string> arg_daemon_address = {"daemon-address", "Use daemon instance at <host>:<port>", ""};
   const command_line::arg_descriptor<std::string> arg_daemon_host = {"daemon-host", "Use daemon instance at host <arg> instead of localhost", ""};
   const command_line::arg_descriptor<std::string> arg_password = {"password", "Wallet password", "", true};
+  const command_line::arg_descriptor<std::string> arg_electrum_seed = {"electrum-seed", "Specify electrum seed for wallet recovery/creation", ""};
+  const command_line::arg_descriptor<bool> arg_restore_deterministic_wallet = {"restore-deterministic-wallet", "Recover wallet using electrum-style mnemonic", false};
+  const command_line::arg_descriptor<bool> arg_non_deterministic = {"non-deterministic", "requires --generate-new-wallet, uses old generation method", false};
   const command_line::arg_descriptor<int> arg_daemon_port = {"daemon-port", "Use daemon instance at port <arg> instead of 8081", 0};
   const command_line::arg_descriptor<uint32_t> arg_log_level = {"set_log", "", 0, true};
 
@@ -208,17 +213,25 @@ bool simple_wallet::ask_wallet_create_if_needed()
 {
   std::string wallet_path;
 
-  std::cout << "Specify wallet file name (e.g., wallet.bin). If the wallet doesn't exist, it will be created.\n";
-  std::cout << "Wallet file name: ";
-
-  std::getline(std::cin, wallet_path);
-
-  wallet_path = string_tools::trim(wallet_path);
+  wallet_path = command_line::input_line(
+      "Specify wallet file name (e.g., wallet.bin). If the wallet doesn't exist, it will be created.\n"
+      "Wallet file name: "
+  );
 
   bool keys_file_exists;
   bool wallet_file_exists;
   tools::wallet2::wallet_exists(wallet_path, keys_file_exists, wallet_file_exists);
 
+  // add logic to error out if new wallet requested but named wallet file exists
+  if (keys_file_exists || wallet_file_exists)
+  {
+    if (!m_generate_new.empty() || m_restore_deterministic_wallet)
+    {
+      fail_msg_writer() << "Attempting to generate or restore wallet, but specified file(s) exist.  Exiting to not risk overwriting.";
+      return false;
+    }
+  }
+
   bool r;
   if(keys_file_exists)
   {
@@ -251,13 +264,14 @@ bool simple_wallet::init(const boost::program_options::variables_map& vm)
     return false;
   }
 
-  size_t c = 0;
-  if(!m_generate_new.empty()) ++c;
-  if(!m_wallet_file.empty()) ++c;
-  if (1 != c)
+  if(!m_generate_new.empty() && !m_wallet_file.empty())
   {
-    if(!ask_wallet_create_if_needed())
-      return false;
+    fail_msg_writer() << "Specifying both --generate-new-wallet=\"wallet_name\" and --wallet-file=\"wallet_name\" doesn't make sense!";
+    return false;
+  }
+  else if (m_generate_new.empty() && m_wallet_file.empty())
+  {
+    if(!ask_wallet_create_if_needed()) return false;
   }
 
   if (m_daemon_host.empty())
@@ -282,9 +296,36 @@ bool simple_wallet::init(const boost::program_options::variables_map& vm)
     }
   }
 
-  if (!m_generate_new.empty())
+  if (!m_generate_new.empty() || m_restore_deterministic_wallet)
   {
-    bool r = new_wallet(m_generate_new, pwd_container.password());
+    if (m_wallet_file.empty()) m_wallet_file = m_generate_new;  // alias for simplicity later
+
+    // check for recover flag.  if present, require electrum word list (only recovery option for now).
+    if (m_restore_deterministic_wallet)
+    {
+      if (m_non_deterministic)
+      {
+        fail_msg_writer() << "Cannot specify both --restore-deterministic-wallet and --non-deterministic";
+        return false;
+      }
+
+      if (m_electrum_seed.empty())
+      {
+        m_electrum_seed = command_line::input_line("Specify electrum seed: ");
+        if (m_electrum_seed.empty())
+        {
+          fail_msg_writer() << "specify a recovery parameter with the --electrum-seed=\"words list here\"";
+          return false;
+        }
+      }
+
+      if (!crypto::ElectrumWords::words_to_bytes(m_electrum_seed, m_recovery_key))
+      {
+          fail_msg_writer() << "electrum-style word list failed verification";
+          return false;
+      }
+    }
+    bool r = new_wallet(m_wallet_file, pwd_container.password(), m_recovery_key, m_restore_deterministic_wallet, m_non_deterministic);
     CHECK_AND_ASSERT_MES(r, false, "account creation failed");
   }
   else
@@ -306,11 +347,14 @@ bool simple_wallet::deinit()
 //----------------------------------------------------------------------------------------------------
 void simple_wallet::handle_command_line(const boost::program_options::variables_map& vm)
 {
-  m_wallet_file    = command_line::get_arg(vm, arg_wallet_file);
-  m_generate_new   = command_line::get_arg(vm, arg_generate_new_wallet);
-  m_daemon_address = command_line::get_arg(vm, arg_daemon_address);
-  m_daemon_host    = command_line::get_arg(vm, arg_daemon_host);
-  m_daemon_port    = command_line::get_arg(vm, arg_daemon_port);
+  m_wallet_file                   = command_line::get_arg(vm, arg_wallet_file);
+  m_generate_new                  = command_line::get_arg(vm, arg_generate_new_wallet);
+  m_daemon_address                = command_line::get_arg(vm, arg_daemon_address);
+  m_daemon_host                   = command_line::get_arg(vm, arg_daemon_host);
+  m_daemon_port                   = command_line::get_arg(vm, arg_daemon_port);
+  m_electrum_seed                 = command_line::get_arg(vm, arg_electrum_seed);
+  m_restore_deterministic_wallet  = command_line::get_arg(vm, arg_restore_deterministic_wallet);
+  m_non_deterministic             = command_line::get_arg(vm, arg_non_deterministic);
 }
 //----------------------------------------------------------------------------------------------------
 bool simple_wallet::try_connect_to_daemon()
@@ -324,16 +368,19 @@ bool simple_wallet::try_connect_to_daemon()
   }
   return true;
 }
+
 //----------------------------------------------------------------------------------------------------
-bool simple_wallet::new_wallet(const string &wallet_file, const std::string& password)
+bool simple_wallet::new_wallet(const string &wallet_file, const std::string& password, const crypto::secret_key& recovery_key, bool recover, bool two_random)
 {
   m_wallet_file = wallet_file;
 
   m_wallet.reset(new tools::wallet2());
   m_wallet->callback(this);
+
+  crypto::secret_key recovery_val;
   try
   {
-    m_wallet->generate(wallet_file, password);
+    recovery_val = m_wallet->generate(wallet_file, password, recovery_key, recover, two_random);
     message_writer(epee::log_space::console_color_white, true) << "Generated new wallet: " << m_wallet->get_account().get_public_address_str() << std::endl << "view key: " << string_tools::pod_to_hex(m_wallet->get_account().get_keys().m_view_secret_key);
   }
   catch (const std::exception& e)
@@ -344,6 +391,19 @@ bool simple_wallet::new_wallet(const string &wallet_file, const std::string& pas
 
   m_wallet->init(m_daemon_address);
 
+  // convert rng value to electrum-style word list
+  std::string electrum_words;
+  crypto::ElectrumWords::bytes_to_words(recovery_val, electrum_words);
+
+  std::string print_electrum = "";
+
+  if (!two_random)
+  {
+    print_electrum = "\nYour wallet can be recovered using the following electrum-style word list:\n";
+    print_electrum += electrum_words;
+    print_electrum += "\n";
+  }
+
   success_msg_writer() <<
     "**********************************************************************\n" <<
     "Your wallet has been generated.\n" <<
@@ -352,6 +412,7 @@ bool simple_wallet::new_wallet(const string &wallet_file, const std::string& pas
     "Always use \"exit\" command when closing simplewallet to save\n" <<
     "current session's state. Otherwise, you will possibly need to synchronize \n" <<
     "your wallet again. Your wallet key is NOT under risk anyway.\n" <<
+    print_electrum << 
     "**********************************************************************";
   return true;
 }
@@ -916,6 +977,9 @@ int main(int argc, char* argv[])
   command_line::add_arg(desc_params, arg_daemon_port);
   command_line::add_arg(desc_params, arg_command);
   command_line::add_arg(desc_params, arg_log_level);
+  command_line::add_arg(desc_params, arg_restore_deterministic_wallet );
+  command_line::add_arg(desc_params, arg_non_deterministic );
+  command_line::add_arg(desc_params, arg_electrum_seed );
   tools::wallet_rpc_server::init_options(desc_params);
 
   po::positional_options_description positional_options;
diff --git a/src/simplewallet/simplewallet.h b/src/simplewallet/simplewallet.h
index 3dcaaeaa0..006cdd08e 100644
--- a/src/simplewallet/simplewallet.h
+++ b/src/simplewallet/simplewallet.h
@@ -13,6 +13,7 @@
 #include "wallet/wallet2.h"
 #include "console_handler.h"
 #include "password_container.h"
+#include "crypto/crypto.h"  // for definition of crypto::secret_key
 
 
 namespace cryptonote
@@ -39,7 +40,7 @@ namespace cryptonote
 
     bool run_console_handler();
 
-    bool new_wallet(const std::string &wallet_file, const std::string& password);
+    bool new_wallet(const std::string &wallet_file, const std::string& password, const crypto::secret_key& recovery_key = crypto::secret_key(), bool recover = false, bool two_random = false);
     bool open_wallet(const std::string &wallet_file, const std::string& password);
     bool close_wallet();
 
@@ -125,6 +126,12 @@ namespace cryptonote
     std::string m_generate_new;
     std::string m_import_path;
 
+    std::string m_electrum_seed;  // electrum-style seed parameter
+
+    crypto::secret_key m_recovery_key;  // recovery key (used as random for wallet gen)
+    bool m_restore_deterministic_wallet;  // recover flag
+    bool m_non_deterministic;  // old 2-random generation
+
     std::string m_daemon_address;
     std::string m_daemon_host;
     int m_daemon_port;
diff --git a/src/wallet/wallet2.cpp b/src/wallet/wallet2.cpp
index fb1e5575b..a63eb4be7 100644
--- a/src/wallet/wallet2.cpp
+++ b/src/wallet/wallet2.cpp
@@ -38,6 +38,7 @@ void do_prepare_file_names(const std::string& file_path, std::string& keys_file,
     keys_file += ".keys";
   }
 }
+
 } //namespace
 
 namespace tools
@@ -435,7 +436,7 @@ void wallet2::load_keys(const std::string& keys_file_name, const std::string& pa
   THROW_WALLET_EXCEPTION_IF(!r, error::invalid_password);
 }
 //----------------------------------------------------------------------------------------------------
-void wallet2::generate(const std::string& wallet_, const std::string& password)
+crypto::secret_key wallet2::generate(const std::string& wallet_, const std::string& password, const crypto::secret_key& recovery_param, bool recover, bool two_random)
 {
   clear();
   prepare_file_names(wallet_);
@@ -444,7 +445,8 @@ void wallet2::generate(const std::string& wallet_, const std::string& password)
   THROW_WALLET_EXCEPTION_IF(boost::filesystem::exists(m_wallet_file, ignored_ec), error::file_exists, m_wallet_file);
   THROW_WALLET_EXCEPTION_IF(boost::filesystem::exists(m_keys_file,   ignored_ec), error::file_exists, m_keys_file);
 
-  m_account.generate();
+  crypto::secret_key retval = m_account.generate(recovery_param, recover, two_random);
+
   m_account_public_address = m_account.get_keys().m_account_address;
 
   bool r = store_keys(m_keys_file, password);
@@ -454,6 +456,7 @@ void wallet2::generate(const std::string& wallet_, const std::string& password)
   if(!r) LOG_PRINT_RED_L0("String with address text not saved");
 
   store();
+  return retval;
 }
 //----------------------------------------------------------------------------------------------------
 void wallet2::wallet_exists(const std::string& file_path, bool& keys_file_exists, bool& wallet_file_exists)
diff --git a/src/wallet/wallet2.h b/src/wallet/wallet2.h
index 9ca586425..534a0517b 100644
--- a/src/wallet/wallet2.h
+++ b/src/wallet/wallet2.h
@@ -97,7 +97,7 @@ namespace tools
       END_SERIALIZE()
     };
 
-    void generate(const std::string& wallet, const std::string& password);
+    crypto::secret_key generate(const std::string& wallet, const std::string& password, const crypto::secret_key& recovery_param = crypto::secret_key(), bool recover = false, bool two_random = false);
     void load(const std::string& wallet, const std::string& password);
     void store();
     cryptonote::account_base& get_account(){return m_account;}
@@ -227,6 +227,7 @@ namespace boost
 
 namespace tools
 {
+
   namespace detail
   {
     //----------------------------------------------------------------------------------------------------
diff --git a/src/wallet/wallet_errors.h b/src/wallet/wallet_errors.h
index 0d42dbaf4..71c946545 100644
--- a/src/wallet/wallet_errors.h
+++ b/src/wallet/wallet_errors.h
@@ -188,6 +188,17 @@ namespace tools
 
       std::string to_string() const { return wallet_logic_error::to_string(); }
     };
+
+    //----------------------------------------------------------------------------------------------------
+    struct invalid_pregenerated_random : public wallet_logic_error
+    {
+      explicit invalid_pregenerated_random (std::string&& loc)
+        : wallet_logic_error(std::move(loc), "invalid pregenerated random for wallet creation/recovery")
+      {
+      }
+
+      std::string to_string() const { return wallet_logic_error::to_string(); }
+    };
     //----------------------------------------------------------------------------------------------------
     struct refresh_error : public wallet_logic_error
     {