summaryrefslogtreecommitdiffstats
path: root/crypto/dh
diff options
context:
space:
mode:
authorRichard Levitte <levitte@openssl.org>2016-06-14 15:48:16 +0200
committerRichard Levitte <levitte@openssl.org>2016-06-15 20:09:27 +0200
commitfd809cfdbd6e32b6b67b68c59f6d55fbed7a9327 (patch)
tree59cd0002b3161e2892f3f06aeb509d897453c38f /crypto/dh
parent9c1a9ccf65d0ea1912675d3a622fa8e51b524b9e (diff)
Constify the parameter getters for RSA, DSA and DH
Including documentation changes Reviewed-by: Stephen Henson <steve@openssl.org> Reviewed-by: Emilia Käsper <emilia@openssl.org>
Diffstat (limited to 'crypto/dh')
-rw-r--r--crypto/dh/dh_lib.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/crypto/dh/dh_lib.c b/crypto/dh/dh_lib.c
index 6a59f7faa4..56f9db6769 100644
--- a/crypto/dh/dh_lib.c
+++ b/crypto/dh/dh_lib.c
@@ -183,7 +183,8 @@ int DH_security_bits(const DH *dh)
}
-void DH_get0_pqg(const DH *dh, BIGNUM **p, BIGNUM **q, BIGNUM **g)
+void DH_get0_pqg(const DH *dh,
+ const BIGNUM **p, const BIGNUM **q, const BIGNUM **g)
{
if (p != NULL)
*p = dh->p;
@@ -197,11 +198,9 @@ int DH_set0_pqg(DH *dh, BIGNUM *p, BIGNUM *q, BIGNUM *g)
{
/* If the fields p and g in d are NULL, the corresponding input
* parameters MUST be non-NULL. q may remain NULL.
- *
- * It is an error to give the results from get0 on d
- * as input parameters.
*/
- if (p == dh->p || (dh->q != NULL && q == dh->q) || g == dh->g)
+ if (dh->p == NULL && p == NULL
+ || dh->g == NULL && g == NULL)
return 0;
if (p != NULL) {
@@ -235,7 +234,7 @@ int DH_set_length(DH *dh, long length)
return 1;
}
-void DH_get0_key(const DH *dh, BIGNUM **pub_key, BIGNUM **priv_key)
+void DH_get0_key(const DH *dh, const BIGNUM **pub_key, const BIGNUM **priv_key)
{
if (pub_key != NULL)
*pub_key = dh->pub_key;
@@ -245,15 +244,11 @@ void DH_get0_key(const DH *dh, BIGNUM **pub_key, BIGNUM **priv_key)
int DH_set0_key(DH *dh, BIGNUM *pub_key, BIGNUM *priv_key)
{
- /* If the pub_key in dh is NULL, the corresponding input
+ /* If the field pub_key in dh is NULL, the corresponding input
* parameters MUST be non-NULL. The priv_key field may
* be left NULL.
- *
- * It is an error to give the results from get0 on dh
- * as input parameters.
*/
- if (dh->pub_key == pub_key
- || (dh->priv_key != NULL && priv_key == dh->priv_key))
+ if (dh->pub_key == NULL && pub_key == NULL)
return 0;
if (pub_key != NULL) {