summaryrefslogtreecommitdiffstats
path: root/security/nss/lib/softoken/lowkey.c
diff options
context:
space:
mode:
Diffstat (limited to 'security/nss/lib/softoken/lowkey.c')
-rw-r--r--security/nss/lib/softoken/lowkey.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/security/nss/lib/softoken/lowkey.c b/security/nss/lib/softoken/lowkey.c
index a28a3a55e..e9bbff1d9 100644
--- a/security/nss/lib/softoken/lowkey.c
+++ b/security/nss/lib/softoken/lowkey.c
@@ -261,6 +261,7 @@ NSSLOWKEYPublicKey *
nsslowkey_ConvertToPublicKey(NSSLOWKEYPrivateKey *privk)
{
NSSLOWKEYPublicKey *pubk;
+ SECItem publicValue;
PLArenaPool *arena;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
@@ -301,6 +302,19 @@ nsslowkey_ConvertToPublicKey(NSSLOWKEYPrivateKey *privk)
pubk->arena = arena;
pubk->keyType = privk->keyType;
+ /* if the public key value doesn't exist, calculate it */
+ if (privk->u.dsa.publicValue.len == 0) {
+ rv = DH_Derive(&privk->u.dsa.params.base, &privk->u.dsa.params.prime,
+ &privk->u.dsa.privateValue, &publicValue, 0);
+ if (rv != SECSuccess) {
+ break;
+ }
+ rv = SECITEM_CopyItem(privk->arena, &privk->u.dsa.publicValue, &publicValue);
+ SECITEM_FreeItem(&publicValue, PR_FALSE);
+ if (rv != SECSuccess) {
+ break;
+ }
+ }
rv = SECITEM_CopyItem(arena, &pubk->u.dsa.publicValue,
&privk->u.dsa.publicValue);
if (rv != SECSuccess)
@@ -327,6 +341,19 @@ nsslowkey_ConvertToPublicKey(NSSLOWKEYPrivateKey *privk)
pubk->arena = arena;
pubk->keyType = privk->keyType;
+ /* if the public key value doesn't exist, calculate it */
+ if (privk->u.dh.publicValue.len == 0) {
+ rv = DH_Derive(&privk->u.dh.base, &privk->u.dh.prime,
+ &privk->u.dh.privateValue, &publicValue, 0);
+ if (rv != SECSuccess) {
+ break;
+ }
+ rv = SECITEM_CopyItem(privk->arena, &privk->u.dh.publicValue, &publicValue);
+ SECITEM_FreeItem(&publicValue, PR_FALSE);
+ if (rv != SECSuccess) {
+ break;
+ }
+ }
rv = SECITEM_CopyItem(arena, &pubk->u.dh.publicValue,
&privk->u.dh.publicValue);
if (rv != SECSuccess)