X509_cmp_time: only return 1, 0, -1.

[openssl.git] / crypto / dh / dh_ameth.c

diff --git a/crypto/dh/dh_ameth.c b/crypto/dh/dh_ameth.c
index a8349e7370a3d75ce8e5fe8bde5eb0cec260ecdd..4558283576b374060d184c9b2b30f5d87ef2b7ec 100644 (file)
--- a/crypto/dh/dh_ameth.c
+++ b/crypto/dh/dh_ameth.c
@@ -151,7 +151,6 @@ static int dh_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey)
 static int dh_pub_encode(X509_PUBKEY *pk, const EVP_PKEY *pkey)
 {
     DH *dh;
-    void *pval = NULL;
     int ptype;
     unsigned char *penc = NULL;
     int penclen;
@@ -161,12 +160,15 @@ static int dh_pub_encode(X509_PUBKEY *pk, const EVP_PKEY *pkey)
     dh = pkey->pkey.dh;
 
     str = ASN1_STRING_new();
+    if (!str) {
+        DHerr(DH_F_DH_PUB_ENCODE, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
     str->length = i2d_dhp(pkey, dh, &str->data);
     if (str->length <= 0) {
         DHerr(DH_F_DH_PUB_ENCODE, ERR_R_MALLOC_FAILURE);
         goto err;
     }
-    pval = str;
     ptype = V_ASN1_SEQUENCE;
 
     pub_key = BN_to_ASN1_INTEGER(dh->pub_key, NULL);
@@ -183,14 +185,14 @@ static int dh_pub_encode(X509_PUBKEY *pk, const EVP_PKEY *pkey)
     }
 
     if (X509_PUBKEY_set0_param(pk, OBJ_nid2obj(pkey->ameth->pkey_id),
-                               ptype, pval, penc, penclen))
+                               ptype, str, penc, penclen))
         return 1;
 
  err:
     if (penc)
         OPENSSL_free(penc);
-    if (pval)
-        ASN1_STRING_free(pval);
+    if (str)
+        ASN1_STRING_free(str);
 
     return 0;
 }
@@ -240,7 +242,7 @@ static int dh_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8)
 
     EVP_PKEY_assign(pkey, pkey->ameth->pkey_id, dh);
 
-    ASN1_INTEGER_free(privkey);
+    ASN1_STRING_clear_free(privkey);
 
     return 1;
 
@@ -248,6 +250,7 @@ static int dh_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8)
     DHerr(DH_F_DH_PRIV_DECODE, EVP_R_DECODE_ERROR);
  dherr:
     DH_free(dh);
+    ASN1_STRING_clear_free(privkey);
     return 0;
 }
 
@@ -282,7 +285,8 @@ static int dh_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey)
 
     dplen = i2d_ASN1_INTEGER(prkey, &dp);
 
-    ASN1_INTEGER_free(prkey);
+    ASN1_STRING_clear_free(prkey);
+    prkey = NULL;
 
     if (!PKCS8_pkey_set0(p8, OBJ_nid2obj(pkey->ameth->pkey_id), 0,
                          V_ASN1_SEQUENCE, params, dp, dplen))
@@ -296,7 +300,7 @@ static int dh_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey)
     if (params != NULL)
         ASN1_STRING_free(params);
     if (prkey != NULL)
-        ASN1_INTEGER_free(prkey);
+        ASN1_STRING_clear_free(prkey);
     return 0;
 }
 
@@ -515,7 +519,7 @@ static int dh_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from)
 
 static int dh_missing_parameters(const EVP_PKEY *a)
 {
-    if (!a->pkey.dh->p || !a->pkey.dh->g)
+    if (a->pkey.dh == NULL || a->pkey.dh->p == NULL || a->pkey.dh->g == NULL)
         return 1;
     return 0;
 }