-/* p8_pkey.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.
+ * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 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 "internal/cryptlib.h"
#include <openssl/asn1t.h>
#include <openssl/x509.h>
/* Minor tweak to operation: zero private key data */
-static int pkey_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)
+static int pkey_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
+ void *exarg)
{
- /* Since the structure must still be valid use ASN1_OP_FREE_PRE */
- if(operation == ASN1_OP_FREE_PRE) {
- PKCS8_PRIV_KEY_INFO *key = (PKCS8_PRIV_KEY_INFO *)*pval;
- if (key->pkey->value.octet_string)
- memset(key->pkey->value.octet_string->data,
- 0, key->pkey->value.octet_string->length);
- }
- return 1;
+ /* Since the structure must still be valid use ASN1_OP_FREE_PRE */
+ if (operation == ASN1_OP_FREE_PRE) {
+ PKCS8_PRIV_KEY_INFO *key = (PKCS8_PRIV_KEY_INFO *)*pval;
+ if (key->pkey && key->pkey->type == V_ASN1_OCTET_STRING
+ && key->pkey->value.octet_string != NULL)
+ OPENSSL_cleanse(key->pkey->value.octet_string->data,
+ key->pkey->value.octet_string->length);
+ }
+ return 1;
}
ASN1_SEQUENCE_cb(PKCS8_PRIV_KEY_INFO, pkey_cb) = {
- ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, version, ASN1_INTEGER),
- ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkeyalg, X509_ALGOR),
- ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkey, ASN1_ANY),
- ASN1_IMP_SET_OF_OPT(PKCS8_PRIV_KEY_INFO, attributes, X509_ATTRIBUTE, 0)
-} ASN1_SEQUENCE_END_cb(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO);
+ ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, version, ASN1_INTEGER),
+ ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkeyalg, X509_ALGOR),
+ ASN1_SIMPLE(PKCS8_PRIV_KEY_INFO, pkey, ASN1_ANY),
+ ASN1_IMP_SET_OF_OPT(PKCS8_PRIV_KEY_INFO, attributes, X509_ATTRIBUTE, 0)
+} ASN1_SEQUENCE_END_cb(PKCS8_PRIV_KEY_INFO, PKCS8_PRIV_KEY_INFO)
IMPLEMENT_ASN1_FUNCTIONS(PKCS8_PRIV_KEY_INFO)
+
+int PKCS8_pkey_set0(PKCS8_PRIV_KEY_INFO *priv, ASN1_OBJECT *aobj,
+ int version,
+ int ptype, void *pval, unsigned char *penc, int penclen)
+{
+ unsigned char **ppenc = NULL;
+ if (version >= 0) {
+ if (!ASN1_INTEGER_set(priv->version, version))
+ return 0;
+ }
+ if (penc) {
+ int pmtype;
+ ASN1_OCTET_STRING *oct;
+ oct = ASN1_OCTET_STRING_new();
+ if (oct == NULL)
+ return 0;
+ oct->data = penc;
+ ppenc = &oct->data;
+ oct->length = penclen;
+ if (priv->broken == PKCS8_NO_OCTET)
+ pmtype = V_ASN1_SEQUENCE;
+ else
+ pmtype = V_ASN1_OCTET_STRING;
+ ASN1_TYPE_set(priv->pkey, pmtype, oct);
+ }
+ if (!X509_ALGOR_set0(priv->pkeyalg, aobj, ptype, pval)) {
+ /* If call fails do not swallow 'enc' */
+ if (ppenc)
+ *ppenc = NULL;
+ return 0;
+ }
+ return 1;
+}
+
+int PKCS8_pkey_get0(ASN1_OBJECT **ppkalg,
+ const unsigned char **pk, int *ppklen,
+ X509_ALGOR **pa, PKCS8_PRIV_KEY_INFO *p8)
+{
+ if (ppkalg)
+ *ppkalg = p8->pkeyalg->algorithm;
+ if (p8->pkey->type == V_ASN1_OCTET_STRING) {
+ p8->broken = PKCS8_OK;
+ if (pk) {
+ *pk = p8->pkey->value.octet_string->data;
+ *ppklen = p8->pkey->value.octet_string->length;
+ }
+ } else if (p8->pkey->type == V_ASN1_SEQUENCE) {
+ p8->broken = PKCS8_NO_OCTET;
+ if (pk) {
+ *pk = p8->pkey->value.sequence->data;
+ *ppklen = p8->pkey->value.sequence->length;
+ }
+ } else
+ return 0;
+ if (pa)
+ *pa = p8->pkeyalg;
+ return 1;
+}