ssl/libcrypto/src/crypto/asn1/d2i_pu.c
changeset 0 e4d67989cc36
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ssl/libcrypto/src/crypto/asn1/d2i_pu.c	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,135 @@
+/* crypto/asn1/d2i_pu.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>
+#include <openssl/asn1.h>
+#ifndef OPENSSL_NO_RSA
+#include <openssl/rsa.h>
+#endif
+#ifndef OPENSSL_NO_DSA
+#include <openssl/dsa.h>
+#endif
+#ifndef OPENSSL_NO_EC
+#include <openssl/ec.h>
+#endif
+
+EXPORT_C EVP_PKEY *d2i_PublicKey(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_PUBLICKEY,ERR_R_EVP_LIB);
+			return(NULL);
+			}
+		}
+	else	ret= *a;
+
+	ret->save_type=type;
+	ret->type=EVP_PKEY_type(type);
+	switch (ret->type)
+		{
+#ifndef OPENSSL_NO_RSA
+	case EVP_PKEY_RSA:
+		if ((ret->pkey.rsa=d2i_RSAPublicKey(NULL,
+			(const unsigned char **)pp,length)) == NULL) /* TMP UGLY CAST */
+			{
+			ASN1err(ASN1_F_D2I_PUBLICKEY,ERR_R_ASN1_LIB);
+			goto err;
+			}
+		break;
+#endif
+#ifndef OPENSSL_NO_DSA
+	case EVP_PKEY_DSA:
+		if (!d2i_DSAPublicKey(&(ret->pkey.dsa),
+			(const unsigned char **)pp,length)) /* TMP UGLY CAST */
+			{
+			ASN1err(ASN1_F_D2I_PUBLICKEY,ERR_R_ASN1_LIB);
+			goto err;
+			}
+		break;
+#endif
+#ifndef OPENSSL_NO_EC
+	case EVP_PKEY_EC:
+		if (!o2i_ECPublicKey(&(ret->pkey.ec),
+				     (const unsigned char **)pp, length))
+			{
+			ASN1err(ASN1_F_D2I_PUBLICKEY, ERR_R_ASN1_LIB);
+			goto err;
+			}
+	break;
+#endif
+	default:
+		ASN1err(ASN1_F_D2I_PUBLICKEY,ASN1_R_UNKNOWN_PUBLIC_KEY_TYPE);
+		goto err;
+		/* break; */
+		}
+	if (a != NULL) (*a)=ret;
+	return(ret);
+err:
+	if ((ret != NULL) && ((a == NULL) || (*a != ret))) EVP_PKEY_free(ret);
+	return(NULL);
+	}
+