diff options
Diffstat (limited to 'common/openpgp-oid.c')
| -rw-r--r-- | common/openpgp-oid.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/common/openpgp-oid.c b/common/openpgp-oid.c index 925384f3e..8fda23028 100644 --- a/common/openpgp-oid.c +++ b/common/openpgp-oid.c @@ -351,13 +351,17 @@ openpgp_oid_is_cv25519 (gcry_mpi_t a) /* Map the Libgcrypt ECC curve NAME to an OID. If R_NBITS is not NULL store the bit size of the curve there. Returns NULL for unknown - curve names. */ + curve names. If R_ALGO is not NULL and a specific ECC algorithm is + required for this curve its OpenPGP algorithm number is stored + there; otherwise 0 is stored which indicates that ECDSA or ECDH can + be used. */ const char * -openpgp_curve_to_oid (const char *name, unsigned int *r_nbits) +openpgp_curve_to_oid (const char *name, unsigned int *r_nbits, int *r_algo) { int i; unsigned int nbits = 0; const char *oidstr = NULL; + int algo = 0; if (name) { @@ -367,6 +371,7 @@ openpgp_curve_to_oid (const char *name, unsigned int *r_nbits) { oidstr = oidtable[i].oidstr; nbits = oidtable[i].nbits; + algo = oidtable[i].pubkey_algo; break; } if (!oidtable[i].name) @@ -378,6 +383,7 @@ openpgp_curve_to_oid (const char *name, unsigned int *r_nbits) { oidstr = oidtable[i].oidstr; nbits = oidtable[i].nbits; + algo = oidtable[i].pubkey_algo; break; } } @@ -385,6 +391,8 @@ openpgp_curve_to_oid (const char *name, unsigned int *r_nbits) if (r_nbits) *r_nbits = nbits; + if (r_algo) + *r_algo = algo; return oidstr; } |