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Further clarify spaces in fingerprint

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https://forum.qubes-os.org/t/23503
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Andrew David Wong 2024-01-05 19:58:32 -08:00
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project-security/verifying-signatures.md
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@ -190,8 +190,9 @@ you see here may not be genuine. That's why we strongly suggest obtaining the
fingerprint from *multiple independent sources in several different ways*, then
comparing the strings of letters and numbers to make sure they match.
When it comes to PGP fingerprints, spaces and capitalization don't matter. In
other words, all of these fingerprints are considered the same:
For the purpose of convincing yourself that you know the authentic QMSK
fingerprint, spaces and capitalization don't matter. In other words, all of
these fingerprints are considered the same:
```
427F 11FD 0FAA 4B08 0123 F01C DDFA 1A3E 3687 9494
@ -201,12 +202,16 @@ other words, all of these fingerprints are considered the same:
```
Instead, what matters is that *all* the characters are present in *exactly* the
same order. If even one character is different, the fingerprints do not match.
Even if two fingerprints have all the same characters, if any of those
characters are in a different order, sequence, or position, then the
fingerprints do not match.
same order. If even one character is different, the fingerprints should not be
considered the same. Even if two fingerprints have all the same characters, if
any of those characters are in a different order, sequence, or position, then
the fingerprints should not be considered the same.
You may also sometimes see the entire fingerprint prefixed with `0x`, as in:
However, for the purpose of *searching for*, *looking up*, or *entering* keys,
spaces and capitalization can matter, depending on the software or tool you're
using. You may need to try different variations (e.g., with and without
spaces). You may also sometimes see (or need to enter) the entire fingerprint
prefixed with `0x`, as in:
```
0x427F11FD0FAA4B080123F01CDDFA1A3E36879494
@ -214,10 +219,12 @@ You may also sometimes see the entire fingerprint prefixed with `0x`, as in:
```
The `0x` prefix is sometimes used to indicate that the string following it is a
hexadecimal value, and some PGP-related tools may require this prefix. For the
purpose of comparing fingerprints as described here, you may safely ignore the
`0x` prefix, as it is not part of the fingerprint. As long as the 40-character
string after the `0x` matches exactly, the fingerprint is the same.
hexadecimal value, and some PGP-related tools may require this prefix. Again,
for the purpose of convincing yourself that you know the authentic QMSK
fingerprint, you may safely ignore the `0x` prefix, as it is not part of the
fingerprint. As long as the 40-character string after the `0x` matches exactly,
the fingerprint is considered the same. The `0x` prefix only matters if the
software or tool you're using cares about it.
The general idea of "comparing fingerprints" is to go out into the world
(whether digitally, physically, or both) and find other 40-character strings