Huge Bug: sha-1 hash is missing one character

[dnknn]

When I was comparing, kept prompting errors, and I was curious.After further comparing with the local hash tool, I found that the file itself was no problem.It was crxviewer that brought the wrong sha1 value.

actual sha1 value (40 digits)	765c4366dc2ac43e4f2b1b8525160f5c9c08b26e
crxviewer sha1 value (39 digits)	765c4366dc2ac43e4f2b1b852516f5c9c08b26e

Obviously, one character 0 is missing. I am curious why it is missing a character, I have also tested, other file Hash are fine, only sha1 has a problem with the hash type.

Specific steps:

1. extension (EXIF QuickView)
   https://chrome.google.com/webstore/detail/kjihpkahhpobojbdnknpelpgmcihnepj

2. chrome-extension://jifpbeccnghkjeaalbbjmodiffmgedin/crxviewer.html?crx=kjihpkahhpobojbdnknpelpgmcihnepj

3. 🔍 content\.js$

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So, can you investigate and see if there are hidden dangers that cause sha-1 hash calculation errors?

[Rob--W]

Thanks for the report. This was due to an incorrect bound check; < should be <= at

crxviewer/src/lib/modern-crypto.js

Line 20 in e150056

if (b < 0xF) s += '0';