1 files changed, 155 insertions, 0 deletions

diff --git a/src/lib/libcrypto/asn1/p8_pkey.c b/src/lib/libcrypto/asn1/p8_pkey.c
new file mode 100644
index 0000000000..17b68d386d
--- /dev/null
+++ b/src/lib/libcrypto/asn1/p8_pkey.c
@@ -0,0 +1,155 @@
+/* p8_pkey.c */
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project 1999.
+ */
+/* ====================================================================
+ * 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. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <stdio.h>
+#include "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,
+                                                        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)
+                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)
+
+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;
+        }
+