/* p5_pbe.c */
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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.
* 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)
-/* Return an algorithm identifier for a PKCS#5 PBE algorithm */
+/* Set an algorithm identifier for a PKCS#5 PBE algorithm */
-X509_ALGOR *PKCS5_pbe_set(int alg, int iter, unsigned char *salt,
- int saltlen)
+int PKCS5_pbe_set0_algor(X509_ALGOR *algor, int alg, int iter,
+ const unsigned char *salt, int saltlen)
{
- PBEPARAM *pbe=NULL;
- ASN1_OBJECT *al;
- X509_ALGOR *algor;
- ASN1_TYPE *astype=NULL;
+ 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;
+ }
- if (!(pbe = PBEPARAM_new ())) {
- ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- if(iter <= 0) iter = PKCS5_DEFAULT_ITER;
- if (!ASN1_INTEGER_set(pbe->iter, iter)) {
- ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- if (!saltlen) saltlen = PKCS5_SALT_LEN;
- if (!(pbe->salt->data = OPENSSL_malloc (saltlen))) {
- ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- pbe->salt->length = saltlen;
- if (salt) memcpy (pbe->salt->data, salt, saltlen);
- else if (RAND_pseudo_bytes (pbe->salt->data, saltlen) < 0)
- goto err;
+ PBEPARAM_free(pbe);
+ pbe = NULL;
- if (!(astype = ASN1_TYPE_new())) {
- ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
- goto err;
- }
+ 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;
+ }
- astype->type = V_ASN1_SEQUENCE;
- if(!ASN1_pack_string_of(PBEPARAM, pbe, i2d_PBEPARAM,
- &astype->value.sequence)) {
- ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- PBEPARAM_free (pbe);
- pbe = NULL;
-
- al = OBJ_nid2obj(alg); /* never need to free al */
- if (!(algor = X509_ALGOR_new())) {
- ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
- goto err;
- }
- ASN1_OBJECT_free(algor->algorithm);
- algor->algorithm = al;
- algor->parameter = astype;
+ if (PKCS5_pbe_set0_algor(ret, alg, iter, salt, saltlen))
+ return ret;
- return (algor);
-err:
- if (pbe != NULL) PBEPARAM_free(pbe);
- if (astype != NULL) ASN1_TYPE_free(astype);
- return NULL;
+ X509_ALGOR_free(ret);
+ return NULL;
}