--- /dev/null
+/* crypto/asn1/d2i_pr.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * 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 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 acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS 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 AUTHOR OR 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.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include "cryptlib.h"
+#include <openssl/bn.h>
+#include <openssl/evp.h>
+#include <openssl/objects.h>
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
+#include <openssl/x509.h>
+#include <openssl/asn1.h>
+#include "asn1_locl.h"
+
+EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, const unsigned char **pp,
+ long length)
+ {
+ EVP_PKEY *ret;
+
+ if ((a == NULL) || (*a == NULL))
+ {
+ if ((ret=EVP_PKEY_new()) == NULL)
+ {
+ ASN1err(ASN1_F_D2I_PRIVATEKEY,ERR_R_EVP_LIB);
+ return(NULL);
+ }
+ }
+ else
+ {
+ ret= *a;
+#ifndef OPENSSL_NO_ENGINE
+ if (ret->engine)
+ {
+ ENGINE_finish(ret->engine);
+ ret->engine = NULL;
+ }
+#endif
+ }
+
+ if (!EVP_PKEY_set_type(ret, type))
+ {
+ ASN1err(ASN1_F_D2I_PRIVATEKEY,ASN1_R_UNKNOWN_PUBLIC_KEY_TYPE);
+ goto err;
+ }
+
+ if (!ret->ameth->old_priv_decode ||
+ !ret->ameth->old_priv_decode(ret, pp, length))
+ {
+ if (ret->ameth->priv_decode)
+ {
+ PKCS8_PRIV_KEY_INFO *p8=NULL;
+ p8=d2i_PKCS8_PRIV_KEY_INFO(NULL,pp,length);
+ if (!p8) goto err;
+ EVP_PKEY_free(ret);
+ ret = EVP_PKCS82PKEY(p8);
+ PKCS8_PRIV_KEY_INFO_free(p8);
+
+ }
+ else
+ {
+ ASN1err(ASN1_F_D2I_PRIVATEKEY,ERR_R_ASN1_LIB);
+ goto err;
+ }
+ }
+ if (a != NULL) (*a)=ret;
+ return(ret);
+err:
+ if ((ret != NULL) && ((a == NULL) || (*a != ret))) EVP_PKEY_free(ret);
+ return(NULL);
+ }
+
+/* This works like d2i_PrivateKey() except it automatically works out the type */
+
+EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
+ long length)
+{
+ STACK_OF(ASN1_TYPE) *inkey;
+ const unsigned char *p;
+ int keytype;
+ p = *pp;
+ /* Dirty trick: read in the ASN1 data into a STACK_OF(ASN1_TYPE):
+ * by analyzing it we can determine the passed structure: this
+ * assumes the input is surrounded by an ASN1 SEQUENCE.
+ */
+ inkey = d2i_ASN1_SEQUENCE_ANY(NULL, &p, length);
+ /* Since we only need to discern "traditional format" RSA and DSA
+ * keys we can just count the elements.
+ */
+ if(sk_ASN1_TYPE_num(inkey) == 6)
+ keytype = EVP_PKEY_DSA;
+ else if (sk_ASN1_TYPE_num(inkey) == 4)
+ keytype = EVP_PKEY_EC;
+ else if (sk_ASN1_TYPE_num(inkey) == 3)
+ { /* This seems to be PKCS8, not traditional format */
+ PKCS8_PRIV_KEY_INFO *p8 = d2i_PKCS8_PRIV_KEY_INFO(NULL,pp,length);
+ EVP_PKEY *ret;
+
+ sk_ASN1_TYPE_pop_free(inkey, ASN1_TYPE_free);
+ if (!p8)
+ {
+ ASN1err(ASN1_F_D2I_AUTOPRIVATEKEY,ASN1_R_UNSUPPORTED_PUBLIC_KEY_TYPE);
+ return NULL;
+ }
+ ret = EVP_PKCS82PKEY(p8);
+ PKCS8_PRIV_KEY_INFO_free(p8);
+ if (a) {
+ *a = ret;
+ }
+ return ret;
+ }
+ else keytype = EVP_PKEY_RSA;
+ sk_ASN1_TYPE_pop_free(inkey, ASN1_TYPE_free);
+ return d2i_PrivateKey(keytype, a, pp, length);
+}
projects / cassiopeia.git / blobdiff