/* 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
#include <stdio.h>
#include "cryptlib.h"
-#include "asn1_mac.h"
+#include <openssl/asn1t.h>
+#include <openssl/x509.h>
+#include <openssl/rand.h>
/* PKCS#5 password based encryption structure */
-/*
- *ASN1err(ASN1_F_PBEPARAM_NEW,ASN1_R_DEOCDE_ERROR)
- *ASN1err(ASN1_F_D2I_PBEPARAM,ASN1_R_DEOCDE_ERROR)
- */
+ASN1_SEQUENCE(PBEPARAM) = {
+ ASN1_SIMPLE(PBEPARAM, salt, ASN1_OCTET_STRING),
+ ASN1_SIMPLE(PBEPARAM, iter, ASN1_INTEGER)
+} ASN1_SEQUENCE_END(PBEPARAM)
+
+IMPLEMENT_ASN1_FUNCTIONS(PBEPARAM)
-int i2d_PBEPARAM(a, pp)
-PBEPARAM *a;
-unsigned char **pp;
+/* 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)
{
- M_ASN1_I2D_vars(a);
- M_ASN1_I2D_len (a->salt, i2d_ASN1_OCTET_STRING);
- M_ASN1_I2D_len (a->iter, i2d_ASN1_INTEGER);
+ PBEPARAM *pbe = NULL;
+ ASN1_STRING *pbe_str = NULL;
+ unsigned char *sstr;
- M_ASN1_I2D_seq_total ();
+ 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_bytes(sstr, saltlen) <= 0)
+ goto err;
- M_ASN1_I2D_put (a->salt, i2d_ASN1_OCTET_STRING);
- M_ASN1_I2D_put (a->iter, i2d_ASN1_INTEGER);
- M_ASN1_I2D_finish();
-}
+ 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 *PBEPARAM_new()
-{
- PBEPARAM *ret=NULL;
- ASN1_CTX c;
- M_ASN1_New_Malloc(ret, PBEPARAM);
- M_ASN1_New(ret->iter,ASN1_INTEGER_new);
- M_ASN1_New(ret->salt,ASN1_OCTET_STRING_new);
- return (ret);
- M_ASN1_New_Error(ASN1_F_PBEPARAM_NEW);
-}
+ PBEPARAM_free(pbe);
+ pbe = NULL;
-PBEPARAM *d2i_PBEPARAM(a,pp,length)
-PBEPARAM **a;
-unsigned char **pp;
-long length;
-{
- M_ASN1_D2I_vars(a,PBEPARAM *,PBEPARAM_new);
- M_ASN1_D2I_Init();
- M_ASN1_D2I_start_sequence();
- M_ASN1_D2I_get (ret->salt, d2i_ASN1_OCTET_STRING);
- M_ASN1_D2I_get (ret->iter, d2i_ASN1_INTEGER);
- M_ASN1_D2I_Finish(a, PBEPARAM_free, ASN1_F_D2I_PBEPARAM);
+ 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;
}
-void PBEPARAM_free (a)
-PBEPARAM *a;
+/* 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)
{
- if(a==NULL) return;
- ASN1_OCTET_STRING_free(a->salt);
- ASN1_INTEGER_free (a->iter);
- Free ((char *)a);
+ 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;
}