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mirror of git://git.gnupg.org/gnupg.git synced 2024-12-22 10:19:57 +01:00

keyboxd: Allow import of v0 certificates.

* kbx/backend-support.c (be_is_x509_blob): Loose detection.
--

Here is a sample v0 cert:

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
This commit is contained in:
Werner Koch 2023-03-08 16:09:56 +01:00
parent d2d1db8860
commit 65288fc52f
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B

View File

@ -207,6 +207,7 @@ be_is_x509_blob (const unsigned char *blob, size_t bloblen)
* SEQUENCE SEQUENCE [0] INTEGER INTEGER
* (tbs) (version) (s/n)
*
* Note that v0 certificates don't have an explict version number.
*/
p = blob;
@ -226,7 +227,11 @@ be_is_x509_blob (const unsigned char *blob, size_t bloblen)
if (parse_ber_header (&p, &n, &class, &tag, &cons, &ndef, &objlen, &hdrlen))
return 0; /* Not a proper BER object. */
if (!(class == CLASS_CONTEXT && tag == 0 && cons))
return 0; /* No context tag. */
{
if (class == CLASS_UNIVERSAL && tag == TAG_INTEGER && !cons)
return 1; /* Might be a X.509 v0 cert with implict version. */
return 0; /* No context tag. */
}
if (parse_ber_header (&p, &n, &class, &tag, &cons, &ndef, &objlen, &hdrlen))
return 0; /* Not a proper BER object. */