X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fasn1%2Fp8_pkey.c;h=0a425cd29d13118d43046f6add1ee27db35e7981;hp=b634d5bc85c663d50973e709bec5f42a51a61e7d;hb=b717b083073b6cacc0a5e2397b661678aff7ae7f;hpb=d339187b1a045ca74fbe20adbfb60771c77eaad5

diff --git a/crypto/asn1/p8_pkey.c b/crypto/asn1/p8_pkey.c
index b634d5bc85..0a425cd29d 100644
--- a/crypto/asn1/p8_pkey.c
+++ b/crypto/asn1/p8_pkey.c
@@ -1,16 +1,17 @@
 /* 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
@@ -62,23 +63,83 @@
 #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_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)
+            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;
+}