- From: Brent Shambaugh <brent.shambaugh@gmail.com>
- Date: Tue, 29 Mar 2022 16:30:31 -0500
- To: Credentials Community Group <public-credentials@w3.org>
- Message-ID: <CACvcBVrDy13yrgUkyxkUUqD=aFjh=aBRwYsjbB4W-QdiFw9L_A@mail.gmail.com>
Apologies if this was too much information. I figured it was a widely used library, so if it changes, or would like to comment, you know. :P -Brent Shambaugh GitHub: https://github.com/bshambaugh Website: http://bshambaugh.org/ LinkedIN: https://www.linkedin.com/in/brent-shambaugh-9b91259 Skype: brent.shambaugh Twitter: https://twitter.com/Brent_Shambaugh WebID: http://bshambaugh.org/foaf.rdf#me On Tue, Mar 29, 2022 at 4:22 PM Brent Shambaugh <brent.shambaugh@gmail.com> wrote: > There is an issue with the did-jwt library that may need a breaking change > to fix. See (https://github.com/decentralized-identity/did-jwt/issues/222) > and/or Consider this exmaple: > > A 64 character, 32 bit hex string representing a private key is written > as: 040f1dbf0a2ca86875447a7c010b0fc6d39d76859c458fbe8f2bf775a40ad74a . > > In Base58 these bits take 43 characters: > Gqzym8nfnxR5ZYZ3wZo8rvTwKTqGn5cJsbHnEhUZDPo. > > This is a problem for the existing base58Matcher > > const base58Matcher = > /^([1-9A-HJ-NP-Za-km-z]{44}|[1-9A-HJ-NP-Za-km-z]{88})$/ > > A possible solution would be to rewrite this matcher to include 43 > character strings: > > const base58Matcher = > /^([1-9A-HJ-NP-Za-km-z]{43,44}|[1-9A-HJ-NP-Za-km-z]{86,88})$/ > > However, this is a problem as the base64 matcher considers the same 43 > character length, with a similar alphabet: > > const base64Matcher = > /^([0-9a-zA-Z=\-_+/]{43}|[0-9a-zA-Z=\-_+/]{86})(={0,2})$/ > > Here are the alphabets for Base64 and Base58:: > > Base64 Alphabet:: > > 0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz+/= > > Source: https://datatracker.ietf.org/doc/html/rfc4648#section-4 > > Base58 Alphabet:: > > 123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz > > Source: https://datatracker.ietf.org/doc/html/draft-msporny-base58-01 > > > -Brent Shambaugh > > GitHub: https://github.com/bshambaugh > Website: http://bshambaugh.org/ > LinkedIN: https://www.linkedin.com/in/brent-shambaugh-9b91259 > Skype: brent.shambaugh > Twitter: https://twitter.com/Brent_Shambaugh > WebID: http://bshambaugh.org/foaf.rdf#me >
Received on Tuesday, 29 March 2022 21:43:57 UTC