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wallet/localization.cpp
Cheng e3ba96799c
Now UI is working well enough to finally introduce secret management 
First thing that is actually part of the final use case
2022-05-22 19:36:23 +10:00

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// Everything that will need translation should be in localization.cpp
// But this task is barely begun, there are no end of English language
// strings strewn at random about the program which need to be moved to
// localization.h and localization.cpp
// Microsoft Windows, the Visual Studio Compiler, wxWidgets,
// and C++17 onwards is layer after layer of workarounds for the
// localization problem. Mutually conflicting workarounds that
// keep fouling each other up. The final solution to these problems
// is utf-8 and UTF16, and to make it work, you need wallet.manifest
// which gives you a UTF8 execution environment on program launch,
// as if we set the code page in the registry to
// Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Nls\CodePage 65001
// Instead of its normal value of 1252
// and the /utf-8 compile option,
// Properties/C++/AdditionalOptions /utf-8
// which gives you a utf-8 compilation and code generation environment.
// with utf8 in effect at all three levels
// wxUSE_UNSAFE_WXSTRING_CONV == 1
// is desirable, because all those automagical string conversions
// will no longer bite you.
// We really should be running with wxUSE_UTF8_LOCALE_ONLY and
// wxUSE_UNICODE_UTF8, but this will require a wholesale rewrite of
// wxWidgets to use the windowsA calls rather than the windowsW calls,
// albeit this could largely be accomplished by redefining the windows
// macros to default to windowsA where at present they default to windowsW
#include <string>
#include "ILog.h"
#include "localization.h"
// I intend that the download pages will in a location related to the git
// repository, and that when we support multiple languages, the end user will
// download the executable for his language, that we will build a complete
// executable and complete install for every language supported.
// Since the network environment is utf-8, if the locale is not utf-8
// your program has to keep track of two kinds of strings, which it
// will not do successfully. So, forcing environment to utf with
// a windows manifest and a unit test environment check.
// Nearly all of these strings, all of them right now, are seven bit ascii,
// so unicode does not matter but it did a short time ago, and when we get
// around to localization, providing several versions of the localization
// file in several languages, it will matter again.
// No intent to support non UTF-8 locales anywhere in the code.
// code is intentionally written to break on such locales.
// No intent to support local date formats.
// All dates and times shall be YYYY-MM-DD_HH:mm:ss (international format)
// Local date formats are always ambiguous. Date localization is dangerous
// in a program intended to support promises and contracts.
/*
Intended usage is that we have a different download, a different
separately compiled complete program for every locale, with a different
locale.cpp file and all the other files unchanged, rather than trying
to make a single compiled program work in a variety of locales.
At present, there is only one locale.cpp, and if you have a better
solution for supporting multiple locales, you are probably better
qualified at supporting multiple locales than I am.
However my experience is that all the terribly clever solutions for
supporting multiple locales with a single compiled program are fragile
and break every time they issue a new skew of the operating system.
I don't trust them, and are not interested in learning about them.*/
//Menu strings
static const char * file_menu_strings[][2]{
{"&New wallet...", "New wallet file From new secret"},
{"Existing secret...","New Wallet File From the secret of an old wallet"},
{"&Open existing wallet file...",""},
{nullptr,"Close"},
{"&Reset defaults","Delete config file"}};
const menu_string menu_strings_[]{
{"&File", file_menu_strings},
{"&Edit", nullptr},
{"&Help", nullptr} };
const menu_string* menu_strings{ menu_strings_ };
// Strings for the startup display, load existing wallet or create new
// wallet.
const char sz_NewWallet[] {R"|(New Wallet)|"};
const char sz_new_wallet[] {R"|(new wallet)|"};
const char sz_unit_test_log[] { "log of unit test" };
const char sz_welcome_to_rocoin[] {R"|(Welcome to Rhocoin)|"};
const char sz_please_select_from_three_options[]{
R"|(Please select one of the following three options:)|"
};
const char sz_create_a_new_wallet[]{R"|(Create a new wallet)|"};
const char sz_recreate_wallet_from_old_secret[]{
R"|(Recreate a wallet from an old wallet's secret)|"
};
const char sz_existing_secret[] {R"|(existing secret)|" };
const char sz_open_existing_wallet[]{R"|(Open an existing wallet)|"};
const char sz_existing_wallet[] {R"|(existing wallet)|"};
const char sz_text_buffer_overflow[]{R"|(conversion to base64 would overflow text buffer)|"};
const char sz_unknown_error[]{ R"|(unknown error.)|"};
const char szAboutWallet[]{ R"|(A completely useless wallet
that is not even in a fit state for anyone else to work on)|" };
const char szAboutTitle[]{ R"|(About Wallet)|" };
//Error message strings
const wchar_t wsz_error[] { L"Error" };
const wchar_t wsz_operation[] { L"Operation aborted.\n" };
const wchar_t wsz_program[]{ L"The program will terminate.\n" };
//Command line parameters
const wchar_t wsz_commandLineLogo[]{LR"(rho wallet
for secure communication and crypto currency transfers inside secure communication)"};
const wchar_t wsz_usageText[]{ LR"(
Typical usage is: wallet
Subcommands are described in docs/wallet_subcommands.html)" };
// Strings for the self test are not represented here, though they probably
// should be.
FatalException::FatalException() noexcept :
MyException(R"|(unspecified fatal exception)|") {};
HashReuseException::HashReuseException() noexcept :
MyException(R"|(finalized the same hash constructor twice or more)|") {};
SQLexception::SQLexception() noexcept :
MyException(R"|(SQL Exception)|") {};
BadDataException::BadDataException() noexcept :
MyException(R"|(Bad data exception)|") {};
NonUtf8DataInDatabase::NonUtf8DataInDatabase() noexcept :
MyException(R"|(utf8 string in database is invalid utf8)|") {};
NonRandomScalarException::NonRandomScalarException() noexcept :
MyException(R"|(Not a random scalar, something insecure is going on)|") {};
BadScalarException::BadScalarException() noexcept :
MyException(R"|(Invalid scalar)|") {};
BadStringRepresentationOfCryptoIdException::BadStringRepresentationOfCryptoIdException() noexcept :
MyException(R"|(Invalid string representation of a cryptographic identifier)|") {};
NotBase58Exception::NotBase58Exception() noexcept :
MyException(R"|(Expected a base 58 character)|") {};
OversizeBase58String::OversizeBase58String() noexcept :
MyException(R"|(Too long)|") {};
const char FailureToThrowExpectedException_sz[]{ "Exception not thrown for deliberate error in unit test" };
// Random words for the passphrase.
// They should be replaced, rather than translated,
// with random short memorable words whose first characters
// are distinct.
const char* const ar_sz_bip_0039_wordlist[]{
"abandon", "ability", "able", "about", "above", "absent", "absorb",
"abstract", "absurd", "abuse", "access", "accident", "account",
"accuse", "achieve", "acid", "acoustic", "acquire", "across", "act",
"action", "actor", "actress", "actual", "adapt", "add", "addict",
"address", "adjust", "admit", "adult", "advance", "advice", "aerobic",
"affair", "afford", "afraid", "again", "age", "agent", "agree", "ahead",
"aim", "air", "airport", "aisle", "alarm", "album", "alcohol", "alert",
"alien", "all", "alley", "allow", "almost", "alone", "alpha", "already",
"also", "alter", "always", "amateur", "amazing", "among", "amount", "amused",
"analyst", "anchor", "ancient", "anger", "angle", "angry", "animal", "ankle",
"announce", "annual", "another", "answer", "antenna", "antique", "anxiety",
"any", "apart", "apology", "appear", "apple", "approve", "april", "arch",
"arctic", "area", "arena", "argue", "arm", "armed", "armor", "army", "around",
"arrange", "arrest", "arrive", "arrow", "art", "artefact", "artist", "artwork", "ask",
"aspect", "assault", "asset", "assist", "assume", "asthma", "athlete", "atom", "attack",
"attend", "attitude", "attract", "auction", "audit", "august", "aunt", "author", "auto",
"autumn", "average", "avocado", "avoid", "awake", "aware", "away", "awesome", "awful",
"awkward", "axis", "baby", "bachelor", "bacon", "badge", "bag", "balance", "balcony",
"ball", "bamboo", "banana", "banner", "bar", "barely", "bargain", "barrel", "base",
"basic", "basket", "battle", "beach", "bean", "beauty", "because", "become", "beef",
"before", "begin", "behave", "behind", "believe", "below", "belt", "bench", "benefit",
"best", "betray", "better", "between", "beyond", "bicycle", "bid", "bike", "bind",
"biology", "bird", "birth", "bitter", "black", "blade", "blame", "blanket", "blast",
"bleak", "bless", "blind", "blood", "blossom", "blouse", "blue", "blur", "blush",
"board", "boat", "body", "boil", "bomb", "bone", "bonus", "book", "boost",
"border", "boring", "borrow", "boss", "bottom", "bounce", "box", "boy", "bracket",
"brain", "brand", "brass", "brave", "bread", "breeze", "brick", "bridge", "brief",
"bright", "bring", "brisk", "broccoli", "broken", "bronze", "broom", "brother", "brown",
"brush", "bubble", "buddy", "budget", "buffalo", "build", "bulb", "bulk", "bullet",
"bundle", "bunker", "burden", "burger", "burst", "bus", "business", "busy", "butter",
"buyer", "buzz", "cabbage", "cabin", "cable", "cactus", "cage", "cake", "call",
"calm", "camera", "camp", "can", "canal", "cancel", "candy", "cannon", "canoe",
"canvas", "canyon", "capable", "capital", "captain", "car", "carbon", "card", "cargo",
"carpet", "carry", "cart", "case", "cash", "casino", "castle", "casual", "cat",
"catalog", "catch", "category", "cattle", "caught", "cause", "caution", "cave", "ceiling",
"celery", "cement", "census", "century", "cereal", "certain", "chair", "chalk", "champion",
"change", "chaos", "chapter", "charge", "chase", "chat", "cheap", "check", "cheese",
"chef", "cherry", "chest", "chicken", "chief", "child", "chimney", "choice", "choose",
"chronic", "chuckle", "chunk", "churn", "cigar", "cinnamon", "circle", "citizen", "city",
"civil", "claim", "clap", "clarify", "claw", "clay", "clean", "clerk", "clever",
"click", "client", "cliff", "climb", "clinic", "clip", "clock", "clog", "close",
"cloth", "cloud", "clown", "club", "clump", "cluster", "clutch", "coach", "coast",
"coconut", "code", "coffee", "coil", "coin", "collect", "color", "column", "combine",
"come", "comfort", "comic", "common", "company", "concert", "conduct", "confirm", "congress",
"connect", "consider", "control", "convince", "cook", "cool", "copper", "copy", "coral",
"core", "corn", "correct", "cost", "cotton", "couch", "country", "couple", "course",
"cousin", "cover", "coyote", "crack", "cradle", "craft", "cram", "crane", "crash",
"crater", "crawl", "crazy", "cream", "credit", "creek", "crew", "cricket", "crime",
"crisp", "critic", "crop", "cross", "crouch", "crowd", "crucial", "cruel", "cruise",
"crumble", "crunch", "crush", "cry", "crystal", "cube", "culture", "cup", "cupboard",
"curious", "current", "curtain", "curve", "cushion", "custom", "cute", "cycle", "dad",
"damage", "damp", "dance", "danger", "daring", "dash", "daughter", "dawn", "day",
"deal", "debate", "debris", "decade", "december", "decide", "decline", "decorate", "decrease",
"deer", "defense", "define", "defy", "degree", "delay", "deliver", "demand", "demise",
"denial", "dentist", "deny", "depart", "depend", "deposit", "depth", "deputy", "derive",
"describe", "desert", "design", "desk", "despair", "destroy", "detail", "detect", "develop",
"device", "devote", "diagram", "dial", "diamond", "diary", "dice", "diesel", "diet",
"differ", "digital", "dignity", "dilemma", "dinner", "dinosaur", "direct", "dirt", "disagree",
"discover", "disease", "dish", "dismiss", "disorder", "display", "distance", "divert", "divide",
"divorce", "dizzy", "doctor", "document", "dog", "doll", "dolphin", "domain", "donate",
"donkey", "donor", "door", "dose", "double", "dove", "draft", "dragon", "drama",
"drastic", "draw", "dream", "dress", "drift", "drill", "drink", "drip", "drive",
"drop", "drum", "dry", "duck", "dumb", "dune", "during", "dust", "dutch",
"duty", "dwarf", "dynamic", "eager", "eagle", "early", "earn", "earth", "easily",
"east", "easy", "echo", "ecology", "economy", "edge", "edit", "educate", "effort",
"egg", "eight", "either", "elbow", "elder", "electric", "elegant", "element", "elephant",
"elevator", "elite", "else", "embark", "embody", "embrace", "emerge", "emotion", "employ",
"empower", "empty", "enable", "enact", "end", "endless", "endorse", "enemy", "energy",
"enforce", "engage", "engine", "enhance", "enjoy", "enlist", "enough", "enrich", "enroll",
"ensure", "enter", "entire", "entry", "envelope", "episode", "equal", "equip", "era",
"erase", "erode", "erosion", "error", "erupt", "escape", "essay", "essence", "estate",
"eternal", "ethics", "evidence", "evil", "evoke", "evolve", "exact", "example", "excess",
"exchange", "excite", "exclude", "excuse", "execute", "exercise", "exhaust", "exhibit", "exile",
"exist", "exit", "exotic", "expand", "expect", "expire", "explain", "expose", "express",
"extend", "extra", "eye", "eyebrow", "fabric", "face", "faculty", "fade", "faint",
"faith", "fall", "false", "fame", "family", "famous", "fan", "fancy", "fantasy",
"farm", "fashion", "fat", "fatal", "father", "fatigue", "fault", "favorite", "feature",
"february", "federal", "fee", "feed", "feel", "female", "fence", "festival", "fetch",
"fever", "few", "fiber", "fiction", "field", "figure", "file", "film", "filter",
"final", "find", "fine", "finger", "finish", "fire", "firm", "first", "fiscal",
"fish", "fit", "fitness", "fix", "flag", "flame", "flash", "flat", "flavor",
"flee", "flight", "flip", "float", "flock", "floor", "flower", "fluid", "flush",
"fly", "foam", "focus", "fog", "foil", "fold", "follow", "food", "foot",
"force", "forest", "forget", "fork", "fortune", "forum", "forward", "fossil", "foster",
"found", "fox", "fragile", "frame", "frequent", "fresh", "friend", "fringe", "frog",
"front", "frost", "frown", "frozen", "fruit", "fuel", "fun", "funny", "furnace",
"fury", "future", "gadget", "gain", "galaxy", "gallery", "game", "gap", "garage",
"garbage", "garden", "garlic", "garment", "gas", "gasp", "gate", "gather", "gauge",
"gaze", "general", "genius", "genre", "gentle", "genuine", "gesture", "ghost", "giant",
"gift", "giggle", "ginger", "giraffe", "girl", "give", "glad", "glance", "glare",
"glass", "glide", "glimpse", "globe", "gloom", "glory", "glove", "glow", "glue",
"goat", "goddess", "gold", "good", "goose", "gorilla", "gospel", "gossip", "govern",
"gown", "grab", "grace", "grain", "grant", "grape", "grass", "gravity", "great",
"green", "grid", "grief", "grit", "grocery", "group", "grow", "grunt", "guard",
"guess", "guide", "guilt", "guitar", "gun", "gym", "habit", "hair", "half",
"hammer", "hamster", "hand", "happy", "harbor", "hard", "harsh", "harvest", "hat",
"have", "hawk", "hazard", "head", "health", "heart", "heavy", "hedgehog", "height",
"hello", "helmet", "help", "hen", "hero", "hidden", "high", "hill", "hint",
"hip", "hire", "history", "hobby", "hockey", "hold", "hole", "holiday", "hollow",
"home", "honey", "hood", "hope", "horn", "horror", "horse", "hospital", "host",
"hotel", "hour", "hover", "hub", "huge", "human", "humble", "humor", "hundred",
"hungry", "hunt", "hurdle", "hurry", "hurt", "husband", "hybrid", "ice", "icon",
"idea", "identify", "idle", "ignore", "ill", "illegal", "illness", "image", "imitate",
"immense", "immune", "impact", "impose", "improve", "impulse", "inch", "include", "income",
"increase", "index", "indicate", "indoor", "industry", "infant", "inflict", "inform", "inhale",
"inherit", "initial", "inject", "injury", "inmate", "inner", "innocent", "input", "inquiry",
"insane", "insect", "inside", "inspire", "install", "intact", "interest", "into", "invest",
"invite", "involve", "iron", "island", "isolate", "issue", "item", "ivory", "jacket",
"jaguar", "jar", "jazz", "jealous", "jeans", "jelly", "jewel", "job", "join",
"joke", "journey", "joy", "judge", "juice", "jump", "jungle", "junior", "junk",
"just", "kangaroo", "keen", "keep", "ketchup", "key", "kick", "kid", "kidney",
"kind", "kingdom", "kiss", "kit", "kitchen", "kite", "kitten", "kiwi", "knee",
"knife", "knock", "know", "lab", "label", "labor", "ladder", "lady", "lake",
"lamp", "language", "laptop", "large", "later", "latin", "laugh", "laundry", "lava",
"law", "lawn", "lawsuit", "layer", "lazy", "leader", "leaf", "learn", "leave",
"lecture", "left", "leg", "legal", "legend", "leisure", "lemon", "lend", "length",
"lens", "leopard", "lesson", "letter", "level", "liar", "liberty", "library", "license",
"life", "lift", "light", "like", "limb", "limit", "link", "lion", "liquid",
"list", "little", "live", "lizard", "load", "loan", "lobster", "local", "lock",
"logic", "lonely", "long", "loop", "lottery", "loud", "lounge", "love", "loyal",
"lucky", "luggage", "lumber", "lunar", "lunch", "luxury", "lyrics", "machine", "mad",
"magic", "magnet", "maid", "mail", "main", "major", "make", "mammal", "man",
"manage", "mandate", "mango", "mansion", "manual", "maple", "marble", "march", "margin",
"marine", "market", "marriage", "mask", "mass", "master", "match", "material", "math",
"matrix", "matter", "maximum", "maze", "meadow", "mean", "measure", "meat", "mechanic",
"medal", "media", "melody", "melt", "member", "memory", "mention", "menu", "mercy",
"merge", "merit", "merry", "mesh", "message", "metal", "method", "middle", "midnight",
"milk", "million", "mimic", "mind", "minimum", "minor", "minute", "miracle", "mirror",
"misery", "miss", "mistake", "mix", "mixed", "mixture", "mobile", "model", "modify",
"mom", "moment", "monitor", "monkey", "monster", "month", "moon", "moral", "more",
"morning", "mosquito", "mother", "motion", "motor", "mountain", "mouse", "move", "movie",
"much", "muffin", "mule", "multiply", "muscle", "museum", "mushroom", "music", "must",
"mutual", "myself", "mystery", "myth", "naive", "name", "napkin", "narrow", "nasty",
"nation", "nature", "near", "neck", "need", "negative", "neglect", "neither", "nephew",
"nerve", "nest", "net", "network", "neutral", "never", "news", "next", "nice",
"night", "noble", "noise", "nominee", "noodle", "normal", "north", "nose", "notable",
"note", "nothing", "notice", "novel", "now", "nuclear", "number", "nurse", "nut",
"oak", "obey", "object", "oblige", "obscure", "observe", "obtain", "obvious", "occur",
"ocean", "october", "odor", "off", "offer", "office", "often", "oil", "okay",
"old", "olive", "olympic", "omit", "once", "one", "onion", "online", "only",
"open", "opera", "opinion", "oppose", "option", "orange", "orbit", "orchard", "order",
"ordinary", "organ", "orient", "original", "orphan", "ostrich", "other", "outdoor", "outer",
"output", "outside", "oval", "oven", "over", "own", "owner", "oxygen", "oyster",
"ozone", "pact", "paddle", "page", "pair", "palace", "palm", "panda", "panel",
"panic", "panther", "paper", "parade", "parent", "park", "parrot", "party", "pass",
"patch", "path", "patient", "patrol", "pattern", "pause", "pave", "payment", "peace",
"peanut", "pear", "peasant", "pelican", "pen", "penalty", "pencil", "people", "pepper",
"perfect", "permit", "person", "pet", "phone", "photo", "phrase", "physical", "piano",
"picnic", "picture", "piece", "pig", "pigeon", "pill", "pilot", "pink", "pioneer",
"pipe", "pistol", "pitch", "pizza", "place", "planet", "plastic", "plate", "play",
"please", "pledge", "pluck", "plug", "plunge", "poem", "poet", "point", "polar",
"pole", "police", "pond", "pony", "pool", "popular", "portion", "position", "possible",
"post", "potato", "pottery", "poverty", "powder", "power", "practice", "praise", "predict",
"prefer", "prepare", "present", "pretty", "prevent", "price", "pride", "primary", "print",
"priority", "prison", "private", "prize", "problem", "process", "produce", "profit", "program",
"project", "promote", "proof", "property", "prosper", "protect", "proud", "provide", "public",
"pudding", "pull", "pulp", "pulse", "pumpkin", "punch", "pupil", "puppy", "purchase",
"purity", "purpose", "purse", "push", "put", "puzzle", "pyramid", "quality", "quantum",
"quarter", "question", "quick", "quit", "quiz", "quote", "rabbit", "raccoon", "race",
"rack", "radar", "radio", "rail", "rain", "raise", "rally", "ramp", "ranch",
"random", "range", "rapid", "rare", "rate", "rather", "raven", "raw", "razor",
"ready", "real", "reason", "rebel", "rebuild", "recall", "receive", "recipe", "record",
"recycle", "reduce", "reflect", "reform", "refuse", "region", "regret", "regular", "reject",
"relax", "release", "relief", "rely", "remain", "remember", "remind", "remove", "render",
"renew", "rent", "reopen", "repair", "repeat", "replace", "report", "require", "rescue",
"resemble", "resist", "resource", "response", "result", "retire", "retreat", "return", "reunion",
"reveal", "review", "reward", "rhythm", "rib", "ribbon", "rice", "rich", "ride",
"ridge", "rifle", "right", "rigid", "ring", "riot", "ripple", "risk", "ritual",
"rival", "river", "road", "roast", "robot", "robust", "rocket", "romance", "roof",
"rookie", "room", "rose", "rotate", "rough", "round", "route", "royal", "rubber",
"rude", "rug", "rule", "run", "runway", "rural", "sad", "saddle", "sadness",
"safe", "sail", "salad", "salmon", "salon", "salt", "salute", "same", "sample",
"sand", "satisfy", "satoshi", "sauce", "sausage", "save", "say", "scale", "scan",
"scare", "scatter", "scene", "scheme", "school", "science", "scissors", "scorpion", "scout",
"scrap", "screen", "script", "scrub", "sea", "search", "season", "seat", "second",
"secret", "section", "security", "seed", "seek", "segment", "select", "sell", "seminar",
"senior", "sense", "sentence", "series", "service", "session", "settle", "setup", "seven",
"shadow", "shaft", "shallow", "share", "shed", "shell", "sheriff", "shield", "shift",
"shine", "ship", "shiver", "shock", "shoe", "shoot", "shop", "short", "shoulder",
"shove", "shrimp", "shrug", "shuffle", "shy", "sibling", "sick", "side", "siege",
"sight", "sign", "silent", "silk", "silly", "silver", "similar", "simple", "since",
"sing", "siren", "sister", "situate", "six", "size", "skate", "sketch", "ski",
"skill", "skin", "skirt", "skull", "slab", "slam", "sleep", "slender", "slice",
"slide", "slight", "slim", "slogan", "slot", "slow", "slush", "small", "smart",
"smile", "smoke", "smooth", "snack", "snake", "snap", "sniff", "snow", "soap",
"soccer", "social", "sock", "soda", "soft", "solar", "soldier", "solid", "solution",
"solve", "someone", "song", "soon", "sorry", "sort", "soul", "sound", "soup",
"source", "south", "space", "spare", "spatial", "spawn", "speak", "special", "speed",
"spell", "spend", "sphere", "spice", "spider", "spike", "spin", "spirit", "split",
"spoil", "sponsor", "spoon", "sport", "spot", "spray", "spread", "spring", "spy",
"square", "squeeze", "squirrel", "stable", "stadium", "staff", "stage", "stairs", "stamp",
"stand", "start", "state", "stay", "steak", "steel", "stem", "step", "stereo",
"stick", "still", "sting", "stock", "stomach", "stone", "stool", "story", "stove",
"strategy", "street", "strike", "strong", "struggle", "student", "stuff", "stumble", "style",
"subject", "submit", "subway", "success", "such", "sudden", "suffer", "sugar", "suggest",
"suit", "summer", "sun", "sunny", "sunset", "super", "supply", "supreme", "sure",
"surface", "surge", "surprise", "surround", "survey", "suspect", "sustain", "swallow", "swamp",
"swap", "swarm", "swear", "sweet", "swift", "swim", "swing", "switch", "sword",
"symbol", "symptom", "syrup", "system", "table", "tackle", "tag", "tail", "talent",
"talk", "tank", "tape", "target", "task", "taste", "tattoo", "taxi", "teach",
"team", "tell", "ten", "tenant", "tennis", "tent", "term", "test", "text",
"thank", "that", "theme", "then", "theory", "there", "they", "thing", "this",
"thought", "three", "thrive", "throw", "thumb", "thunder", "ticket", "tide", "tiger",
"tilt", "timber", "time", "tiny", "tip", "tired", "tissue", "title", "toast",
"tobacco", "today", "toddler", "toe", "together", "toilet", "token", "tomato", "tomorrow",
"tone", "tongue", "tonight", "tool", "tooth", "top", "topic", "topple", "torch",
"tornado", "tortoise", "toss", "total", "tourist", "toward", "tower", "town", "toy",
"track", "trade", "traffic", "tragic", "train", "transfer", "trap", "trash", "travel",
"tray", "treat", "tree", "trend", "trial", "tribe", "trick", "trigger", "trim",
"trip", "trophy", "trouble", "truck", "true", "truly", "trumpet", "trust", "truth",
"try", "tube", "tuition", "tumble", "tuna", "tunnel", "turkey", "turn", "turtle",
"twelve", "twenty", "twice", "twin", "twist", "two", "type", "typical", "ugly",
"umbrella", "unable", "unaware", "uncle", "uncover", "under", "undo", "unfair", "unfold",
"unhappy", "uniform", "unique", "unit", "universe", "unknown", "unlock", "until", "unusual",
"unveil", "update", "upgrade", "uphold", "upon", "upper", "upset", "urban", "urge",
"usage", "use", "used", "useful", "useless", "usual", "utility", "vacant", "vacuum",
"vague", "valid", "valley", "valve", "van", "vanish", "vapor", "various", "vast",
"vault", "vehicle", "velvet", "vendor", "venture", "venue", "verb", "verify", "version",
"very", "vessel", "veteran", "viable", "vibrant", "vicious", "victory", "video", "view",
"village", "vintage", "violin", "virtual", "virus", "visa", "visit", "visual", "vital",
"vivid", "vocal", "voice", "void", "volcano", "volume", "vote", "voyage", "wage",
"wagon", "wait", "walk", "wall", "walnut", "want", "warfare", "warm", "warrior",
"wash", "wasp", "waste", "water", "wave", "way", "wealth", "weapon", "wear",
"weasel", "weather", "web", "wedding", "weekend", "weird", "welcome", "west", "wet",
"whale", "what", "wheat", "wheel", "when", "where", "whip", "whisper", "wide",
"width", "wife", "wild", "will", "win", "window", "wine", "wing", "wink",
"winner", "winter", "wire", "wisdom", "wise", "wish", "witness", "wolf", "woman",
"wonder", "wood", "wool", "word", "work", "world", "worry", "worth", "wrap",
"wreck", "wrestle", "wrist", "write", "wrong", "yard", "year", "yellow", "you",
"young", "youth", "zebra", "zero", "zone", "zoo"
};
static_assert(sizeof(ar_sz_bip_0039_wordlist) == sizeofwordlist * sizeof(ar_sz_bip_0039_wordlist[0]), "wrong size BIP39 word list");
// ---------------------------------------------------------------------------
// UTF-8 operations
// ---------------------------------------------------------------------------
//
//
// Table 3.1B from Unicode spec: Legal UTF-8 Byte Sequences
//
// Code Points | 1st Byte | 2nd Byte | 3rd Byte | 4th Byte |
// Code Points | b | c | d | e |
// -------------------+----------+----------+----------+----------+
// U+0000..U+007F | 00..7F | | | |
// U+0080..U+07FF | C2..DF | 80..BF | | |
// U+0800..U+0FFF | E0 | A0..BF | 80..BF | |
// U+1000..U+FFFF | E1..EF | 80..BF | 80..BF | |
// U+10000..U+3FFFF | F0 | 90..BF | 80..BF | 80..BF |
// U+40000..U+FFFFF | F1..F3 | 80..BF | 80..BF | 80..BF |
// U+100000..U+10FFFF | F4 | 80..8F | 80..BF | 80..BF |
// -------------------+----------+----------+----------+----------+
// The point and purpose of this table is to forbid non shortest
// form sequences, so that each possible unicode character has
// only one possible representation.
// If non shortest forms are allowed, the attacker can potentially
// cause unexpected code paths to be taken, resulting in consequences
// the programmer did not plan for.
// And, similarly, who knows what may happen if illegally large code points
// are allowed, though I think they were stupid to set a max character limit.
bool IsValidUtf8String(const char* sz){
const uint8_t* str = static_cast<std::nullptr_t>(sz);
if (str==nullptr)
return true; // empty string is UTF8 string
while (*str) {
char b = *str++;
if (b < 80) {}
else if (b < 0xC2) // invalid lead bytes: 80..C1
return false;
// two-byte sequences:
else if (b <= 0xDF) // C2..DF
{
auto c = *(str++);
if (b == 0xE0) {
if (c<0xA0 || 0xBF<c)
return false;
}
else {
if (c<0x80 || 0xBF<c)
return false;
}
}
// three-byte sequences:
else if (b < 0xF0) {
auto c = *(str++);
if (b == 0xE0) {
if (c<0xA0 || 0xBF<c)
return false;
}
else {
if (c<0x80 || 0xBF<c)
return false;
}
auto d = *(str++);
if (d<0x80 || 0xBF<d)
return false;
}
// four byte sequences.
else {
if (b > 0xF4)return false;
auto c = *(str++);
if (b == 0xF0) {
if (c<0x90 || 0xBF<c)
return false;
}
else {
if (c<0x80 || 0xBF<c)
return false;
}
auto d = *(str++);
if (d<0x80 || 0x9F<d)
return false;
auto e = *(str++);
if (e<0x80 || 0x9F<e)
return false;
}
}
return true;
}
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