Free up ADB and CHOICE if already initialised.
[openssl.git] / crypto / asn1 / p5_pbe.c
index 94bc38b99f93178f90d2fc88037cb57194dc8d45..bdbfdcd67c0727daa2e11af247495e0e81e85521 100644 (file)
@@ -1,6 +1,7 @@
 /* p5_pbe.c */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 1999.
+/*
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 1999.
  */
 /* ====================================================================
  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
@@ -10,7 +11,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
 /* PKCS#5 password based encryption structure */
 
 ASN1_SEQUENCE(PBEPARAM) = {
-       ASN1_SIMPLE(PBEPARAM, salt, ASN1_OCTET_STRING),
-       ASN1_SIMPLE(PBEPARAM, iter, ASN1_INTEGER)
+        ASN1_SIMPLE(PBEPARAM, salt, ASN1_OCTET_STRING),
+        ASN1_SIMPLE(PBEPARAM, iter, ASN1_INTEGER)
 } ASN1_SEQUENCE_END(PBEPARAM)
 
 IMPLEMENT_ASN1_FUNCTIONS(PBEPARAM)
 
-
 /* Set an algorithm identifier for a PKCS#5 PBE algorithm */
 
 int PKCS5_pbe_set0_algor(X509_ALGOR *algor, int alg, int iter,
-                               const unsigned char *salt, int saltlen)
-       {
-       PBEPARAM *pbe=NULL;
-       ASN1_STRING *pbe_str=NULL;
-       unsigned char *sstr;
-
-       pbe = PBEPARAM_new();
-       if (!pbe)
-               {
-               ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR,ERR_R_MALLOC_FAILURE);
-               goto err;
-               }
-       if(iter <= 0)
-               iter = PKCS5_DEFAULT_ITER;
-       if (!ASN1_INTEGER_set(pbe->iter, iter))
-               {
-               ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR,ERR_R_MALLOC_FAILURE);
-               goto err;
-               }
-       if (!saltlen)
-               saltlen = PKCS5_SALT_LEN;
-       if (!ASN1_STRING_set(pbe->salt, NULL, saltlen))
-               {
-               ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR,ERR_R_MALLOC_FAILURE);
-               goto err;
-               }
-       sstr = ASN1_STRING_data(pbe->salt);
-       if (salt)
-               memcpy(sstr, salt, saltlen);
-       else if (RAND_pseudo_bytes(sstr, saltlen) < 0)
-               goto err;
-
-       if(!ASN1_item_pack(pbe, ASN1_ITEM_rptr(PBEPARAM), &pbe_str))
-               {
-               ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR,ERR_R_MALLOC_FAILURE);
-               goto err;
-               }
-
-       PBEPARAM_free(pbe);
-       pbe = NULL;
-
-       if (X509_ALGOR_set0(algor, OBJ_nid2obj(alg), V_ASN1_SEQUENCE, pbe_str))
-               return 1;
-
-err:
-       if (pbe != NULL)
-               PBEPARAM_free(pbe);
-       if (pbe_str != NULL)
-               ASN1_STRING_free(pbe_str);
-       return 0;
-       }
+                         const unsigned char *salt, int saltlen)
+{
+    PBEPARAM *pbe = NULL;
+    ASN1_STRING *pbe_str = NULL;
+    unsigned char *sstr;
+
+    pbe = PBEPARAM_new();
+    if (!pbe) {
+        ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
+    if (iter <= 0)
+        iter = PKCS5_DEFAULT_ITER;
+    if (!ASN1_INTEGER_set(pbe->iter, iter)) {
+        ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
+    if (!saltlen)
+        saltlen = PKCS5_SALT_LEN;
+    if (!ASN1_STRING_set(pbe->salt, NULL, saltlen)) {
+        ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
+    sstr = ASN1_STRING_data(pbe->salt);
+    if (salt)
+        memcpy(sstr, salt, saltlen);
+    else if (RAND_pseudo_bytes(sstr, saltlen) < 0)
+        goto err;
+
+    if (!ASN1_item_pack(pbe, ASN1_ITEM_rptr(PBEPARAM), &pbe_str)) {
+        ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR, ERR_R_MALLOC_FAILURE);
+        goto err;
+    }
+
+    PBEPARAM_free(pbe);
+    pbe = NULL;
+
+    if (X509_ALGOR_set0(algor, OBJ_nid2obj(alg), V_ASN1_SEQUENCE, pbe_str))
+        return 1;
+
+ err:
+    if (pbe != NULL)
+        PBEPARAM_free(pbe);
+    if (pbe_str != NULL)
+        ASN1_STRING_free(pbe_str);
+    return 0;
+}
 
 /* Return an algorithm identifier for a PKCS#5 PBE algorithm */
 
 X509_ALGOR *PKCS5_pbe_set(int alg, int iter,
-                               const unsigned char *salt, int saltlen)
-       {
-       X509_ALGOR *ret;
-       ret = X509_ALGOR_new();
-       if (!ret)
-               {
-               ASN1err(ASN1_F_PKCS5_PBE_SET,ERR_R_MALLOC_FAILURE);
-               return NULL;
-               }
-
-       if (PKCS5_pbe_set0_algor(ret, alg, iter, salt, saltlen)) 
-               return ret;
-
-       X509_ALGOR_free(ret);
-       return NULL;
-       }
+                          const unsigned char *salt, int saltlen)
+{
+    X509_ALGOR *ret;
+    ret = X509_ALGOR_new();
+    if (!ret) {
+        ASN1err(ASN1_F_PKCS5_PBE_SET, ERR_R_MALLOC_FAILURE);
+        return NULL;
+    }
+
+    if (PKCS5_pbe_set0_algor(ret, alg, iter, salt, saltlen))
+        return ret;
+
+    X509_ALGOR_free(ret);
+    return NULL;
+}