#include <stdio.h>
#include "cryptlib.h"
-#include "asn1_mac.h"
+#include <openssl/asn1_mac.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)
- */
+#define PKCS5_SALT_LEN 8
-int i2d_PBEPARAM(a, pp)
-PBEPARAM *a;
-unsigned char **pp;
+int i2d_PBEPARAM(PBEPARAM *a, unsigned char **pp)
{
M_ASN1_I2D_vars(a);
M_ASN1_I2D_len (a->salt, i2d_ASN1_OCTET_STRING);
M_ASN1_I2D_finish();
}
-PBEPARAM *PBEPARAM_new()
+PBEPARAM *PBEPARAM_new(void)
{
PBEPARAM *ret=NULL;
ASN1_CTX c;
M_ASN1_New_Error(ASN1_F_PBEPARAM_NEW);
}
-PBEPARAM *d2i_PBEPARAM(a,pp,length)
-PBEPARAM **a;
-unsigned char **pp;
-long length;
+PBEPARAM *d2i_PBEPARAM(PBEPARAM **a, unsigned char **pp, long length)
{
M_ASN1_D2I_vars(a,PBEPARAM *,PBEPARAM_new);
M_ASN1_D2I_Init();
M_ASN1_D2I_Finish(a, PBEPARAM_free, ASN1_F_D2I_PBEPARAM);
}
-void PBEPARAM_free (a)
-PBEPARAM *a;
+void PBEPARAM_free (PBEPARAM *a)
{
if(a==NULL) return;
ASN1_OCTET_STRING_free(a->salt);
ASN1_INTEGER_free (a->iter);
Free ((char *)a);
}
+
+/* Return an algorithm identifier for a PKCS#5 PBE algorithm */
+
+X509_ALGOR *PKCS5_pbe_set(int alg, int iter, unsigned char *salt,
+ int saltlen)
+{
+ unsigned char *pdata, *ptmp;
+ int plen;
+ PBEPARAM *pbe;
+ ASN1_OBJECT *al;
+ X509_ALGOR *algor;
+ ASN1_TYPE *astype;
+
+ if (!(pbe = PBEPARAM_new ())) {
+ ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ ASN1_INTEGER_set (pbe->iter, iter);
+ if (!saltlen) saltlen = PKCS5_SALT_LEN;
+ if (!(pbe->salt->data = Malloc (saltlen))) {
+ ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ pbe->salt->length = saltlen;
+ if (salt) memcpy (pbe->salt->data, salt, saltlen);
+ else RAND_bytes (pbe->salt->data, saltlen);
+ if (!(plen = i2d_PBEPARAM (pbe, NULL))) {
+ ASN1err(ASN1_F_ASN1_PBE_SET,ASN1_R_ENCODE_ERROR);
+ return NULL;
+ }
+ if (!(pdata = Malloc (plen))) {
+ ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ ptmp = pdata;
+ i2d_PBEPARAM (pbe, &ptmp);
+ PBEPARAM_free (pbe);
+
+ if (!(astype = ASN1_TYPE_new())) {
+ ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+
+ astype->type = V_ASN1_SEQUENCE;
+ if (!(astype->value.sequence=ASN1_STRING_new())) {
+ ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ ASN1_STRING_set (astype->value.sequence, pdata, plen);
+ Free (pdata);
+
+ al = OBJ_nid2obj(alg); /* never need to free al */
+ if (!(algor = X509_ALGOR_new())) {
+ ASN1err(ASN1_F_ASN1_PBE_SET,ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+ ASN1_OBJECT_free(algor->algorithm);
+ algor->algorithm = al;
+ algor->parameter = astype;
+
+ return (algor);
+}