#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)
-int i2d_PBEPARAM(a, pp)
-PBEPARAM *a;
-unsigned char **pp;
-{
- M_ASN1_I2D_vars(a);
- M_ASN1_I2D_len (a->salt, i2d_ASN1_OCTET_STRING);
- M_ASN1_I2D_len (a->iter, i2d_ASN1_INTEGER);
+IMPLEMENT_ASN1_FUNCTIONS(PBEPARAM)
- M_ASN1_I2D_seq_total ();
+/* Return an algorithm identifier for a PKCS#5 PBE algorithm */
- M_ASN1_I2D_put (a->salt, i2d_ASN1_OCTET_STRING);
- M_ASN1_I2D_put (a->iter, i2d_ASN1_INTEGER);
- M_ASN1_I2D_finish();
-}
-
-PBEPARAM *PBEPARAM_new()
+X509_ALGOR *PKCS5_pbe_set(int alg, int iter, unsigned char *salt,
+ int saltlen)
{
- 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 *pbe=NULL;
+ ASN1_OBJECT *al;
+ X509_ALGOR *algor;
+ ASN1_TYPE *astype=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 (!(pbe = PBEPARAM_new ())) {
+ ASN1err(ASN1_F_PKCS5_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_PKCS5_PBE_SET,ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ if (!saltlen) saltlen = PKCS5_SALT_LEN;
+ if (!(pbe->salt->data = OPENSSL_malloc (saltlen))) {
+ ASN1err(ASN1_F_PKCS5_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;
-void PBEPARAM_free (a)
-PBEPARAM *a;
-{
- if(a==NULL) return;
- ASN1_OCTET_STRING_free(a->salt);
- ASN1_INTEGER_free (a->iter);
- Free ((char *)a);
+ if (!(astype = ASN1_TYPE_new())) {
+ ASN1err(ASN1_F_PKCS5_PBE_SET,ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ astype->type = V_ASN1_SEQUENCE;
+ if(!ASN1_pack_string_of(PBEPARAM, pbe, i2d_PBEPARAM,
+ &astype->value.sequence)) {
+ ASN1err(ASN1_F_PKCS5_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_PKCS5_PBE_SET,ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ ASN1_OBJECT_free(algor->algorithm);
+ algor->algorithm = al;
+ algor->parameter = astype;
+
+ return (algor);
+err:
+ if (pbe != NULL) PBEPARAM_free(pbe);
+ if (astype != NULL) ASN1_TYPE_free(astype);
+ return NULL;
}