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gpg: Allow use of a standard space separated fingerprint.

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* common/userids.c (classify_user_id): Check for space separated GPG
fingerprint.
This commit is contained in:
Werner Koch 2012-01-06 13:33:10 +01:00
parent 5988c8bfb7
commit 372fb4fc06
3 changed files with 48 additions and 4 deletions
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3
NEWS
View File

@ -1,6 +1,9 @@
Noteworthy changes in version 2.1.0beta4 (unreleased)
-----------------------------------------------------
* GPG now accepts a space separated fingerprint as a user ID. This
allows to copy and paste the fingerprint from the key listing.
Noteworthy changes in version 2.1.0beta3 (2011-12-20)
-----------------------------------------------------

40
common/userids.c
View File

@ -308,6 +308,46 @@ classify_user_id (const char *name, KEYDB_SEARCH_DESC *desc, int openpgp_hack)
if (i == 20)
mode = KEYDB_SEARCH_MODE_FPR20;
}
if (!mode)
{
/* Still not found. Now check for a space separated
OpenPGP v4 fingerprint like:
8061 5870 F5BA D690 3336 86D0 F2AD 85AC 1E42 B367
*/
hexlength = strspn (s, " 0123456789abcdefABCDEF");
if (s[hexlength] && s[hexlength] != ' ')
hexlength = 0; /* Followed by non-space. */
while (hexlength && s[hexlength-1] == ' ')
hexlength--; /* Trim trailing spaces. */
if (hexlength == 50 && (!s[hexlength] || s[hexlength] == ' '))
{
int i, c;
for (i=0; i < 20; i++)
{
if (i && !(i % 2))
{
if (*s != ' ')
break;
s++;
if (i == 10)
{
if (*s != ' ')
break;
s++;
}
}
c = hextobyte(s);
if (c == -1)
break;
desc->u.fpr[i] = c;
s += 2;
}
if (i == 20)
mode = KEYDB_SEARCH_MODE_FPR20;
}
}
if (!mode) /* Default to substring search. */
{
desc->exact = 0;

9
doc/specify-user-id.texi
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@ -6,7 +6,7 @@ are only valid for @command{gpg} others are only good for
@itemize @bullet
@item By key Id.
@item By key Id.
This format is deduced from the length of the string and its content or
@code{0x} prefix. The key Id of an X.509 certificate are the low 64 bits
of its SHA-1 fingerprint. The use of key Ids is just a shortcut, for
@ -59,16 +59,17 @@ avoids any ambiguities in case that there are duplicated key IDs.
@end cartouche
@noindent
(@command{gpgsm} also accepts colons between each pair of hexadecimal
@command{gpgsm} also accepts colons between each pair of hexadecimal
digits because this is the de-facto standard on how to present X.509
fingerprints.)
fingerprints. @command{gpg} also allows the use of the space
separated SHA-1 fingerprint as printed by the key listing commands.
@item By exact match on OpenPGP user ID.
This is denoted by a leading equal sign. It does not make sense for
X.509 certificates.
@cartouche
@example
@example
=Heinrich Heine <heinrichh@@uni-duesseldorf.de>
@end example
@end cartouche