Initial import

1 files changed, 127 insertions, 0 deletions

diff --git a/openssl/crypto/evp/p_open.c b/openssl/crypto/evp/p_open.c
new file mode 100644
index 00000000..53a59a29
--- /dev/null
+++ b/openssl/crypto/evp/p_open.c
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+/* crypto/evp/p_open.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"
+
+#ifndef OPENSSL_NO_RSA
+
+#include <openssl/evp.h>
+#include <openssl/objects.h>
+#include <openssl/x509.h>
+#include <openssl/rsa.h>
+
+int EVP_OpenInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
+	const unsigned char *ek, int ekl, const unsigned char *iv,
+	EVP_PKEY *priv)
+	{
+	unsigned char *key=NULL;
+	int i,size=0,ret=0;
+
+	if(type) {	
+		EVP_CIPHER_CTX_init(ctx);
+		if(!EVP_DecryptInit_ex(ctx,type,NULL, NULL,NULL)) return 0;
+	}
+
+	if(!priv) return 1;
+
+	if (priv->type != EVP_PKEY_RSA)
+		{
+		EVPerr(EVP_F_EVP_OPENINIT,EVP_R_PUBLIC_KEY_NOT_RSA);
+		goto err;
+                }
+
+	size=RSA_size(priv->pkey.rsa);
+	key=(unsigned char *)OPENSSL_malloc(size+2);
+	if (key == NULL)
+		{
+		/* ERROR */
+		EVPerr(EVP_F_EVP_OPENINIT,ERR_R_MALLOC_FAILURE);
+		goto err;
+		}
+
+	i=EVP_PKEY_decrypt_old(key,ek,ekl,priv);
+	if ((i <= 0) || !EVP_CIPHER_CTX_set_key_length(ctx, i))
+		{
+		/* ERROR */
+		goto err;
+		}
+	if(!EVP_DecryptInit_ex(ctx,NULL,NULL,key,iv)) goto err;
+
+	ret=1;
+err:
+	if (key != NULL) OPENSSL_cleanse(key,size);
+	OPENSSL_free(key);
+	return(ret);
+	}
+
+int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)
+	{
+	int i;
+
+	i=EVP_DecryptFinal_ex(ctx,out,outl);
+	EVP_DecryptInit_ex(ctx,NULL,NULL,NULL,NULL);
+	return(i);
+	}
+#else /* !OPENSSL_NO_RSA */
+
+# ifdef PEDANTIC
+static void *dummy=&dummy;
+# endif
+
+#endif