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sm: Support import and verification of EdDSA certificates.

Browse source 
* sm/certdump.c (gpgsm_get_serial): New.
* sm/certcheck.c (gpgsm_check_cert_sig): Support EdDSA signatures.
--

Note that this does not work with the self-signed RFC-8410 sample
certificate; see the code for comments.

The Ed488 case has not been tested due to a lack of support in
Libgcrypt.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2020-05-13 21:21:24 +02:00
parent f44d395bdf
commit b1694987bb
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
3 changed files with 144 additions and 18 deletions
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22
sm/certdump.c
View file

@ -48,6 +48,28 @@ struct dn_array_s {
};
/* Get the first first element from the s-expression SN and return a
* pointer to it. Stores the length at R_LENGTH. Returns NULL for no
* value or an invalid expression. */
const void *
gpgsm_get_serial (ksba_const_sexp_t sn, size_t *r_length)
{
const char *p = (const char *)sn;
unsigned long n;
char *endp;
if (!p || *p != '(')
return NULL;
p++;
n = strtoul (p, &endp, 10);
p = endp;
if (*p++ != ':')
return NULL;
*r_length = n;
return p;
}
/* Print the first element of an S-Expression. */
void
gpgsm_print_serial (estream_t fp, ksba_const_sexp_t sn)