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Learning Ukulele with Curt

What's With the Dice?

Diceware is a method for picking a passphrase that uses ordinary dice to select words at random from a special list called, the Diceware Word List. The original diceware word list consists of a line for each of the 7,776 possible five-die combinations.

Sample Diceware Passphrase: rawhiti-hohu-kaparu-pume-pirika-owhiro-taropo

Diceware

It's about securing your digital life.

(from WikipediA) Diceware is a method for a picking passphrase that uses ordinary dice to select words at random from a special list called the Diceware Word List . Each word in the list is preceded by a five digit number. All the digits are between one and six, allowing you to use the outcomes of five dice rolls to select a word from the list.

The original diceware word list consists of a line for each of the 7,776 possible five-die combinations.

xkcd.com/936/

And, Thanks to Donald J. Trump Person-Woman-Man-Camera-TV is no longer a good passphrase.

The level of unpredictability of a Diceware passphrase can be easily calculated: each word adds 12.9 bits of entropy to the passphrase. Originally, in 1995, Diceware creator Arnold Reinhold considered five words (64 bits) the minimal length needed by average users. However, starting in 2014, Reinhold recommends that at least six words (77 bits) should be used.

“Please confirm that no one has ever had a copy of your private key and that it uses a strong passphrase. Assume your adversary is capable of one trillion guesses per second.” — Edward Snowden, January 2013

Resources & Links

FAQ: What are some BAD use cases for Diceware?

You should not use Diceware in any cases where it is highly likely an attacker can get a copy of your encrypted password and use high-volume cracking attempts against it. A bad case--possibly the worst case--for using Diceware would be to secure your BitCoin wallet, because all BitCoin nodes have a copy of the BitCoin Ledger, and an attacker could attempt password cracking your wallet. (source: https://diceware.dmuth.org/)

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Just browsing over both books, they look fantastic! I'm a guitarist and uke player for over 25 years and was thinking about writing a ukulele book but you've already written what I think are the best, most comprehensive and thorough books I've ever seen for the instrument. I just might end up buying every book you've written and I'll be giving my highest recommendation for your books to my friends and students. Thank you so much for taking the time to write such great books! — Peter Rhee

Aloha, Curt, All I can say is WOW! What you have accomplished is simply incredible! All the best — Glen Hirabayashi, The Aloha Boys

Folks, if you haven't stopped by Curt's site, do so right now! ..And get his books, they are fantastic. This guy knows his stuff and is able to pass it along too. — Alan Johnson Proprietor, The 4th Peg

I can highly recommend Curt's Uke books — I have four of them and they are excellent. — fatveg — Portland

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Thanks for visiting and checking out the site!

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Original Curtie Animation from 1987 for my first web site on a Macintosh II, 37 years ago. Man, does time fly.

“Built for myself (Curt), and sharing with the `Ukulele community!”

LearningUkulele.com has one of the largest collections of lessons, songs, and TABS, Luthiers, ukulele builders, ukulele festival and club information, and, ukulele links on the web. Curt has been on the ®Internet since the early 1990's and This site just never stops growing!!!

Content is added and updated daily — so check back often. I really do need to get out more ;-)

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