security-and-privacy/gnupg
security-and-privacy/gnupg
1
0
Fork 0
mirror of git://git.gnupg.org/gnupg.git synced 2025-03-24 22:09:57 +01:00
Code Activity

gpgsm: Allow ECC encryption keys with just keyAgreement specified.

Browse Source 
* sm/certlist.c (cert_usage_p): Allow keyAgreement for ECC.
* sm/fingerprint.c (gpgsm_is_ecc_key): New.
--

For ECC encryption keys keyAgreement is the keyUsage we want.

GnuPG-bug-id: 6253
This commit is contained in:
Werner Koch 2022-10-24 17:38:49 +02:00
parent 1cdb67d41a
commit d770715e15
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
3 changed files with 13 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
sm/certlist.c
View File

@ -171,7 +171,8 @@ cert_usage_p (ksba_cert_t cert, int mode, int silent)
}
encr_bits = (KSBA_KEYUSAGE_KEY_ENCIPHERMENT|KSBA_KEYUSAGE_DATA_ENCIPHERMENT);
if ((opt.compat_flags & COMPAT_ALLOW_KA_TO_ENCR))
if ((opt.compat_flags & COMPAT_ALLOW_KA_TO_ENCR)
|| gpgsm_is_ecc_key (cert))
encr_bits |= KSBA_KEYUSAGE_KEY_AGREEMENT;
sign_bits = (KSBA_KEYUSAGE_DIGITAL_SIGNATURE|KSBA_KEYUSAGE_NON_REPUDIATION);

12
sm/fingerprint.c
View File

@ -307,8 +307,16 @@ gpgsm_get_key_algo_info (ksba_cert_t cert, unsigned int *nbits)
}
/* This is a wrapper around pubkey_algo_string which takesa KSA
* certitificate instead of a Gcrypt public key. Note that this
/* Return true if CERT is an ECC key. */
int
gpgsm_is_ecc_key (ksba_cert_t cert)
{
return GCRY_PK_ECC == gpgsm_get_key_algo_info2 (cert, NULL, NULL);
}
/* This is a wrapper around pubkey_algo_string which takes a KSBA
* certificate instead of a Gcrypt public key. Note that this
* function may return NULL on error. */
char *
gpgsm_pubkey_algo_string (ksba_cert_t cert, int *r_algoid)

1
sm/gpgsm.h
View File

@ -283,6 +283,7 @@ char *gpgsm_get_keygrip_hexstring (ksba_cert_t cert);
int gpgsm_get_key_algo_info (ksba_cert_t cert, unsigned int *nbits);
int gpgsm_get_key_algo_info2 (ksba_cert_t cert, unsigned int *nbits,
char **r_curve);
int gpgsm_is_ecc_key (ksba_cert_t cert);
char *gpgsm_pubkey_algo_string (ksba_cert_t cert, int *r_algoid);
char *gpgsm_get_certid (ksba_cert_t cert);