-/* 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 <openssl/asn1_mac.h>
+#include "internal/cryptlib.h"
+#include <openssl/asn1t.h>
+#include <openssl/x509.h>
+#include "internal/x509_int.h"
-int i2d_PKCS8_PRIV_KEY_INFO (PKCS8_PRIV_KEY_INFO *a, unsigned char **pp)
+/* Minor tweak to operation: zero private key data */
+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)
+ OPENSSL_cleanse(key->pkey->data, key->pkey->length);
+ }
+ return 1;
+}
- M_ASN1_I2D_vars(a);
-
- M_ASN1_I2D_len (a->version, i2d_ASN1_INTEGER);
- M_ASN1_I2D_len (a->pkeyalg, i2d_X509_ALGOR);
- M_ASN1_I2D_len (a->pkey, i2d_ASN1_TYPE);
- M_ASN1_I2D_len_IMP_SET_opt_type (X509_ATTRIBUTE, a->attributes,
- i2d_X509_ATTRIBUTE, 0);
-
- M_ASN1_I2D_seq_total ();
+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_OCTET_STRING),
+ 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)
- M_ASN1_I2D_put (a->version, i2d_ASN1_INTEGER);
- M_ASN1_I2D_put (a->pkeyalg, i2d_X509_ALGOR);
- M_ASN1_I2D_put (a->pkey, i2d_ASN1_TYPE);
- M_ASN1_I2D_put_IMP_SET_opt_type (X509_ATTRIBUTE, a->attributes,
- i2d_X509_ATTRIBUTE, 0);
+IMPLEMENT_ASN1_FUNCTIONS(PKCS8_PRIV_KEY_INFO)
- M_ASN1_I2D_finish();
+int PKCS8_pkey_set0(PKCS8_PRIV_KEY_INFO *priv, ASN1_OBJECT *aobj,
+ int version,
+ int ptype, void *pval, unsigned char *penc, int penclen)
+{
+ if (version >= 0) {
+ if (!ASN1_INTEGER_set(priv->version, version))
+ return 0;
+ }
+ if (!X509_ALGOR_set0(priv->pkeyalg, aobj, ptype, pval))
+ return 0;
+ if (penc)
+ ASN1_STRING_set0(priv->pkey, penc, penclen);
+ return 1;
}
-PKCS8_PRIV_KEY_INFO *PKCS8_PRIV_KEY_INFO_new(void)
+int PKCS8_pkey_get0(ASN1_OBJECT **ppkalg,
+ const unsigned char **pk, int *ppklen,
+ X509_ALGOR **pa, PKCS8_PRIV_KEY_INFO *p8)
{
- PKCS8_PRIV_KEY_INFO *ret=NULL;
- ASN1_CTX c;
- M_ASN1_New_Malloc(ret, PKCS8_PRIV_KEY_INFO);
- M_ASN1_New (ret->version, ASN1_INTEGER_new);
- M_ASN1_New (ret->pkeyalg, X509_ALGOR_new);
- M_ASN1_New (ret->pkey, ASN1_TYPE_new);
- ret->attributes = NULL;
- ret->broken = PKCS8_OK;
- return (ret);
- M_ASN1_New_Error(ASN1_F_PKCS8_PRIV_KEY_INFO_NEW);
+ if (ppkalg)
+ *ppkalg = p8->pkeyalg->algorithm;
+ if (pk) {
+ *pk = ASN1_STRING_data(p8->pkey);
+ *ppklen = ASN1_STRING_length(p8->pkey);
+ }
+ if (pa)
+ *pa = p8->pkeyalg;
+ return 1;
}
-PKCS8_PRIV_KEY_INFO *d2i_PKCS8_PRIV_KEY_INFO(PKCS8_PRIV_KEY_INFO **a,
- unsigned char **pp, long length)
+STACK_OF(X509_ATTRIBUTE) *PKCS8_pkey_get0_attrs(PKCS8_PRIV_KEY_INFO *p8)
{
- M_ASN1_D2I_vars(a,PKCS8_PRIV_KEY_INFO *,PKCS8_PRIV_KEY_INFO_new);
- M_ASN1_D2I_Init();
- M_ASN1_D2I_start_sequence();
- M_ASN1_D2I_get (ret->version, d2i_ASN1_INTEGER);
- M_ASN1_D2I_get (ret->pkeyalg, d2i_X509_ALGOR);
- M_ASN1_D2I_get (ret->pkey, d2i_ASN1_TYPE);
- M_ASN1_D2I_get_IMP_set_opt_type(X509_ATTRIBUTE, ret->attributes,
- d2i_X509_ATTRIBUTE,
- X509_ATTRIBUTE_free, 0);
- if (ASN1_TYPE_get(ret->pkey) == V_ASN1_SEQUENCE)
- ret->broken = PKCS8_NO_OCTET;
- M_ASN1_D2I_Finish(a, PKCS8_PRIV_KEY_INFO_free, ASN1_F_D2I_PKCS8_PRIV_KEY_INFO);
+ return p8->attributes;
}
-void PKCS8_PRIV_KEY_INFO_free (PKCS8_PRIV_KEY_INFO *a)
+int PKCS8_pkey_add1_attr_by_NID(PKCS8_PRIV_KEY_INFO *p8, int nid, int type,
+ const unsigned char *bytes, int len)
{
- if (a == NULL) return;
- ASN1_INTEGER_free (a->version);
- X509_ALGOR_free(a->pkeyalg);
- /* Clear sensitive data */
- if (a->pkey->value.octet_string)
- memset (a->pkey->value.octet_string->data,
- 0, a->pkey->value.octet_string->length);
- ASN1_TYPE_free (a->pkey);
- sk_X509_ATTRIBUTE_pop_free (a->attributes, X509_ATTRIBUTE_free);
- Free (a);
+ if (X509at_add1_attr_by_NID(&p8->attributes, nid, type, bytes, len) != NULL)
+ return 1;
+ return 0;
}
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