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Fix error detection

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This commit is contained in:
Werner Koch 2009-01-08 19:51:59 +00:00
parent 82ab848ea4
commit 901842d522
2 changed files with 12 additions and 6 deletions
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4
sm/ChangeLog
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@ -1,3 +1,7 @@
2009-01-08 Werner Koch <wk@g10code.com>
* fingerprint.c (gpgsm_get_keygrip_hexstring): Add error detection.
2008-12-10 Werner Koch <wk@g10code.com>
* gpgsm.c (our_cipher_test_algo): Use the GCRY constants as we now

14
sm/fingerprint.c
View File

@ -152,9 +152,9 @@ gpgsm_get_short_fingerprint (ksba_cert_t cert)
/* Return the so called KEYGRIP which is the SHA-1 hash of the public
key parameters expressed as an canoncial encoded S-Exp. array must
be 20 bytes long. returns the array or a newly allocated one if the
passed one was NULL */
key parameters expressed as an canoncial encoded S-Exp. ARRAY must
be 20 bytes long. Returns ARRAY or a newly allocated buffer if ARRAY was
given as NULL. May return NULL on error. */
unsigned char *
gpgsm_get_keygrip (ksba_cert_t cert, unsigned char *array)
{
@ -204,9 +204,11 @@ gpgsm_get_keygrip_hexstring (ksba_cert_t cert)
unsigned char grip[20];
char *buf;
gpgsm_get_keygrip (cert, grip);
buf = xmalloc (20*2+1);
bin2hex (grip, 20, buf);
if (!gpgsm_get_keygrip (cert, grip))
return NULL;
buf = xtrymalloc (20*2+1);
if (buf)
bin2hex (grip, 20, buf);
return buf;
}