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About

xkcd-style password generator

xkcd #936: Password Strength

Usage

$ xpg -h
xpg 0.18.0 <https://crates.io/crates/xpg>

xkcd-style password generator

Usage: xpg [OPTIONS] [PATTERNS]...

Arguments:
  [PATTERNS]...  Pattern(s) (see note 1) [default: `wwww`, `-L`: `{a}`]

Options:
  -s, --shuffle             Shuffle characters
  -c, --count <NUMBER>      Number of passwords (0:∞ ) [default: 1]
  -l, --length <NUMBER>     Length
  -m, --minimum <NUMBER>    Minimum length
  -M, --maximum <NUMBER>    Maximum length
  -a, --attempts <NUMBER>   Attempts (see note 2) [default: 10]
  -C, --config <PATH>       Configuration file
  -e, --extended            Merge extended words (see note 3)
  -A, --apply-case <STYLE>  Apply case style [possible values: upper, lower,
                            title, toggle, camel, pascal, upper-camel, snake,
                            upper-snake, screaming-snake, kebab, cobol,
                            upper-kebab, train, flat, upper-flat, alternating,
                            random, pseudo-random]
  -L, --list                List words in `{sub}`(s)
  -d, --dump-config         Print configuration
  -r, --readme              Print readme
  -h, --help                Print help
  -V, --version             Print version

---

Notes

1. Patterns
    * Words
        * `W`: WORD
        * `w`: word
        * `T`: Word
        * `k`: `shuffle(cccc(c|d)(C|c))`
        * `{sub}`: see `WordKind`s section in readme
    * Characters
        * `C`: A-Z
        * `c`: a-z
        * `d`: 0-9
        * `s`: `~!@#$%^&*-_=+;:,./?()[]{}<>`
        * `a`: `C` | `c` | `d` | `s`
    * Special
        * `keychain`
        * `codename`
        * `codename-series`
        * `haiku--` | `haiku-condensed`
        * `haiku-` | `haiku-with-syllables-condensed`
        * `haiku`
        * `haiku+` | `haiku-with-syllables`
        * `haiku++` | `haiku-full`
        * `haiku+++` | `haiku-full-with-syllables`

2. Ten attempts are made to satisfy the given length requirements by default;
   use `-a N` and set `N` to the number of attempts to increase chances.
   It will exit with an error if unable to satisfy requirements; some
   configurations will always produce an error.

3. Extended words are only available in exclusively extended word kinds by
   default; however, with `-e`, they are merged with regular word kinds; use
   with the `-L` option to see its effect.
$ xpg -V
xpg 0.18.0

See also the Configuration section below.

Examples

$ xpg
fireanimalwithchoose

Generate 10 passwords

$ xpg -c 10
blueradiobulgariaabout
angerkillpushedlevel
steelhairseasonsaid
experiencehandsignalmolecules
strongswimshadepartial
gamefamilyinstrumentsseen
sightstrangelookbarbados
faceflowerlatershine
grouppagequicklyfree
tiedoctobermightexcept

Generate passwords forever

or until Ctrl+C / SIGINT

$ xpg -c 0
hersdivisionconsiderjupiter
filledcapitalminddoes
angerfenceofferdeath
alongperusentweather
fastwantsburningstart
figuresoonshoesinterest
niecebeganoutsidenumber
februarydatesuggestedwednesday
pagesettledvowelfamily
maltabeatbankerfish
^C

Generate a password with 8 words

$ xpg wwwwwwww
boardtailcostcopenhagenseedeverysufferbase

Generate 10 passwords with 8 words

$ xpg wwwwwwww -c 10
pickedfinetakenblockshorttexasworthspell
gathertonebridgeequalpartyrolleddistantbusiness
createheartfifthburningstrongseveraldelighthour
fancylastrestdetailsangryfingershalfberlin
egyptfinallymexicobrightspokeobservedecimalbottom
walkwriteeuropegraylandspainsandperiod
takecaptaintalleverythingroomlargeunderlate
resultrepresentlittlefiftypeoplepaintwhomcover
catchefforteastsaidjupiterhillclothesrule
insectsvirginiaaprilsaturdaytownpagebusinesstell

Generate a password with 2 words followed by 3 digits

$ xpg wwddd
shallbuilt755

Generate a password with 2 words followed by 2 symbols

$ xpg wwss
whichpresident<[

Generate a password with 2 words followed by a digit and a symbol

$ xpg wwds
nepalpluto3*

Generate a password with 4 words followed by 2 lowercase letters

$ xpg wwwwcc
clearshineyourtradeti

Generate a password with 4 words followed by 2 uppercase letters

$ xpg wwwwCC
mightwheathealthfollowNS

Generate a password with 4 title case words

$ xpg TTTT
TravelWheelsExplainShake

Generate a password with 4 uppercase words

$ xpg WWWW
MAILFRIENDSBARBADOSMELODY

Generate a password with 4 words followed by 5 any characters

An "any" character can be a lowercase letter, uppercase letter, digit, or symbol.

$ xpg wwwwaaaaa
attemptagreeschoolround(<;?_

Generate a password with 3 words and at least 15 characters

$ xpg www -m 15
fingersmondaydoes

Generate a password with 3 words and no more than 20 characters

$ xpg www -M 20
needlefoolball

Generate a password with 4 words and between 20 and 25 characters

$ xpg www -m 20 -M 25 -a 1000
determineshoutbelong

See also Usage note 2.

Generate a password with 2 words, 3 digits, 1 symbol, and exactly 16 characters

$ xpg wwddds -l 16 -a 1000
articlesmell362+

See also Usage note 2.

Generate a password with a 1, 2 title case words, and !

$ xpg '1TT!'
1InstrumentsHeat!

Generate a password with 1 symbol, 2 adjectives, 1 noun, and 2 digits

$ xpg 's{adj}{adj}{n}dd'
-characterfrontanger09

Generate a password with 2 words and 1 extended word

$ xpg 'ww{ext}'
sectionmembershelike

Generate a password with 2 words and 1 title case extended word

$ xpg 'ww{T:ext}'
thousandmontanaNaiad

Generate a password with 2 words and 1 uppercase extended word

$ xpg 'ww{W:ext}'
venusmomentDIONYSUS

Generate 10 passwords with 4 title case words and extended words merged

$ xpg -ec 10 TTTT
TallHeatPoundsBack
MeetingDecemberSingaporeBottom
PaperMannerThousandStation
AgainstNereidThinkYard
GroundNeedFastSaid
AfricaSomeWirePosition
ThickLakeChileShould
PleasantFoolDamascusSpoke
PlantsGardenSameParticular
FiftyRoundSouthcarolinaGround

Generate a keychain-style password

$ xpg keychain
o2mydp-bwrulo-dUwclm

Generate a code name

$ xpg codename
LONG EQUATION

Generate a code name series

$ xpg codename-series
COOLTUESDAY ADVANCEHUNGER
COOLTUESDAY MOSTCOAT
COOLTUESDAY SILENTTEAM
COOLTUESDAY WIDETHIRD
COOLTUESDAY NICESCORE
COOLTUESDAY SEPARATEBREAD
COOLTUESDAY BUILTBRANCH
COOLTUESDAY GREEKBASKET
COOLTUESDAY MIDDLEMETAL
COOLTUESDAY STRAIGHTUNIT

Generate a code name series with 20 code names

$ xpg codename-series -c 20
WORTHCENTER SAMECONTROL
WORTHCENTER USUALDEAR
WORTHCENTER BEATPATTERN
WORTHCENTER NICEWHEEL
WORTHCENTER PROUDQUIET
WORTHCENTER FUTURETOWN
WORTHCENTER NOTHINGCHILDREN
WORTHCENTER DEVELOPEDHUNT
WORTHCENTER ACTIONNOTHING
WORTHCENTER PROBABLYSURFACE
WORTHCENTER CHARACTERVALLEY
WORTHCENTER SEPARATELAUGHTER
WORTHCENTER LONEELECTRICITY
WORTHCENTER BESTWAVES
WORTHCENTER MAINATTEMPT
WORTHCENTER PURESUFFIX
WORTHCENTER LEVELMEETING
WORTHCENTER FULLLAND
WORTHCENTER STRONGTAKE
WORTHCENTER EIGHTCALL

Generate a haiku

$ xpg haiku
Iron future give / Division Botswana bone / Rather Germany

Generate a haiku with syllable pattern

$ xpg haiku+
Addition where huge (3,1,1) / River rain fight Gibraltar (2,1,1,3) / Alaska wing have (3,1,1)

Generate a condensed haiku with syllable pattern

$ xpg haiku-
Week-also-delight(1,2,2)/Jerusalem-passed-hunting(4,1,2)/Needle-process-hill(2,2,1)

Generate a condensed haiku

$ xpg haiku--
Considerable/Steel-minute-whose-themselves-think/Electricity

Generate a haiku with newlines

$ xpg haiku++
California spent
Spring land considerable
Orderly Peru

Generate a haiku with syllable pattern and newlines

$ xpg haiku+++
Electricity (5)
Energy direct doubt wore (3,2,1,1)
Information ball (4,1)

Generate a haiku with extended words

$ xpg -e haiku
Colombia hang / Paris various none terms / Opinion once near

Generate a password with 20 any characters

$ xpg aaaaaaaaaaaaaaaaaaaa
bqE~FW}T.(~[Pum{NHhO

Same as the previous example, but shorter

This works because a character-only pattern is padded to the minimum length with the last character.

$ xpg a -m 20
NtPoEQ5]{}[nA;E*m8F8

Generate a password with 5 lowercase, 1 uppercase, 1 digit, and 1 symbol

$ xpg cccccCds
etxapA6!

Generate a password with 5 lowercase, 1 uppercase, 1 digit, and 1 symbol and shuffle the characters

$ xpg -s cccccCds
ij7t@toH

Same as the previous example, but shorter

This works because a character-only pattern is padded to the minimum length with the last character.

$ xpg -sm 8 Cdsc
iliy?8lP

Generate 3 passwords each from a different pattern

$ xpg wwww WWWW TTTT
heardraisedgoodstep
FORMCHARACTERPLANEHOLD
SoftWesternWomenReal

Apply upper casing

$ xpg -A upper 'T T T T'
WORN FENCE SAID LEAD

Apply lower casing

$ xpg -A lower 'T T T T'
happen express know consider

Apply title casing

$ xpg -A title 'T T T T'
Peace From Though Like

Apply toggle casing

$ xpg -A toggle 'T T T T'
uNIT pIECE tHREE hERE

Apply camel casing

$ xpg -A camel 'T T T T'
floridaWheatBlueListen

Apply pascal casing

$ xpg -A pascal 'T T T T'
PositionCompleteBerlinLanguage

Apply upper-camel casing

$ xpg -A upper-camel 'T T T T'
CoolAlsoSufferDamascus

Apply snake casing

$ xpg -A snake 'T T T T'
sing_november_inside_join

Apply upper-snake casing

$ xpg -A upper-snake 'T T T T'
WHOLE_EXPLAIN_STUDENTS_GOLD

Apply screaming-snake casing

$ xpg -A screaming-snake 'T T T T'
QUITE_DOCTOR_GOES_FAVOR

Apply kebab casing

$ xpg -A kebab 'T T T T'
work-something-include-design

Apply cobol casing

$ xpg -A cobol 'T T T T'
AROUND-SENT-SUDDEN-THEM

Apply upper-kebab casing

$ xpg -A upper-kebab 'T T T T'
FRENCH-NECK-BEAUTIFUL-GOODBYE

Apply train casing

$ xpg -A train 'T T T T'
Read-Govern-Country-Gibraltar

Apply flat casing

$ xpg -A flat 'T T T T'
cityotherforwarddifference

Apply upper-flat casing

$ xpg -A upper-flat 'T T T T'
PLUTOHELPLEASTJERUSALEM

Apply alternating casing

$ xpg -A alternating 'T T T T'
lIvE fInAlLy SoMeTiMeS fIfTy

Apply random casing

$ xpg -A random 'T T T T'
hEaVen EneRgY hERS ReMAiN

Apply pseudo-random casing

$ xpg -A pseudo-random 'T T T T'
LiaR ThrEE veNuS rOcK

Generate a password with words with 1, 2, 3, 4, and 5 syllables

$ xpg '{a:1}-{W:a:2}-{T:a:3}-{olympian:4}-{T:ext:5}'
drop-CHILE-Triangle-dionysus-Southamerica

List the words in Color / {color}

$ xpg -L '{color}'
black
blue
brown
gray
green
white
yellow

List the words in Color / {color} in uppercase

$ xpg -L '{W:color}'
BLACK
BLUE
BROWN
GRAY
GREEN
WHITE
YELLOW

List the words in Color / {color} in title case

$ xpg -L '{T:color}'
Black
Blue
Brown
Gray
Green
White
Yellow

Count the words in Color / {color}

$ xpg -L '{color}' |wc -l
7

List the words in Color / {color} and Element / {W:el}

$ xpg -L '{color}' '{W:el}'
black
blue
brown
gray
green
white
yellow
GOLD
IRON
LEAD
MERCURY
OXYGEN
SILVER

Count words

$ xpg -L |wc -l
1257

Count words with extended

$ xpg -Le |wc -l
1403

Configuration

See config.json or use -d for the default configuration compiled into the binary executable.

If another file is placed at any of the following locations or the path provided via the -C option at runtime, it will be used instead.

  • Linux: /home/username/.config/xpg/config.json
  • Windows: C:\Users\username\AppData\Roaming\qtfkwk\xpg\config\config.json
  • macOS: /Users/username/Library/Application Support/com.qtfkwk.xpg/config.json

WordKinds

  • AllExtended / {a.ext}
    • All / {a}
      • Adjective / {adj}
        • Color* / {color}
        • Nationality / {nat}
      • Adverb / {adv}
      • Conjunction / {conj}
      • Interjection / {i}
      • Noun / {n}
        • PluralNoun / {n.pl}
        • Pronoun / {n.pro}
        • SingularNoun / {n.s}
          • Astronomy / {ast}
            • Moon / {moon}
            • Planet / {planet}
          • Color* / {color}
          • Day / {day}
          • Month / {mon}
          • ProperNoun / {n.prop}
            • Element / {el}
            • Name / {name}
              • FemaleName / {fname}
              • MaleName / {mname}
            • Place / {place}
              • City / {city}
              • Continent / {cont}
              • Country / {country}
              • UsState / {us-state}
            • Mythology / {myth}
              • GreekMyth / {greekmyth}
                • Olympian / {olympian}
                • Chthonic / {chthonic}
              • RomanMyth / {romanmyth}
      • Preposition / {prep}
      • Verb / {v}
        • AuxiliaryVerb / {v.aux}
        • IntransitiveVerb / {v.int}
        • TransitiveVerb / {v.tr}
        • VerbPast / {v.past}
    • Extended / {ext}
      • Noun / {n}
        • SingularNoun / {n.s}
          • Astronomy / {ast}
            • Moon / {moon}
              • MarsMoon / {marsmoon}
              • JupiterMoon / {jupitermoon}
              • SaturnMoon / {saturnmoon}
              • UranusMoon / {uranusmoon}
              • NeptuneMoon / {neptunemoon}

Notes

  1. WordKind / {sub}

  2. It is only necessary to set the most descriptive WordKind(s) since they are automatically included in the larger word kinds.

  3. The characters object value must contain the C, c, and d keys with non-empty values. Additional keys/values can be added and used.

  4. {sub}s produce lowercase words by default, but if prefixed with W: or T: words will be uppercase or title case, respectively: i.e. {W:sub} or {T:sub} (replace sub with an actual {sub} name above).

  5. {sub}s include all words by default, but if suffixed with :N where N is a number, it will only include words with that number of syllables: i.e. {sub:N} (replace sub with an actual {sub} name above and N with the desired number of syllables ~1-5).

Changelog

Please find the CHANGELOG.md in the repository.

References

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xkcd-style password generator

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