Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/asn1/a_sign.c

Index: openssl/crypto/asn1/a_sign.c
diff --git a/openssl/crypto/asn1/a_sign.c b/openssl/crypto/asn1/a_sign.c
deleted file mode 100644
index 7b4a193d6b15c54d955982ddd6c45f4766d88343..0000000000000000000000000000000000000000
--- a/openssl/crypto/asn1/a_sign.c
+++ /dev/null
@@ -1,333 +0,0 @@
-/* crypto/asn1/a_sign.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.]
- */
-/* ====================================================================
- * Copyright (c) 1998-2003 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
- *    openssl-core@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 <time.h>
-
-#include "cryptlib.h"
-
-#ifndef NO_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-
-#include <openssl/bn.h>
-#include <openssl/evp.h>
-#include <openssl/x509.h>
-#include <openssl/objects.h>
-#include <openssl/buffer.h>
-#include "asn1_locl.h"
-
-#ifndef NO_ASN1_OLD
-
-int ASN1_sign(i2d_of_void *i2d, X509_ALGOR *algor1, X509_ALGOR *algor2,
-	      ASN1_BIT_STRING *signature, char *data, EVP_PKEY *pkey,
-	      const EVP_MD *type)
-	{
-	EVP_MD_CTX ctx;
-	unsigned char *p,*buf_in=NULL,*buf_out=NULL;
-	int i,inl=0,outl=0,outll=0;
-	X509_ALGOR *a;
-
-	EVP_MD_CTX_init(&ctx);
-	for (i=0; i<2; i++)
-		{
-		if (i == 0)
-			a=algor1;
-		else
-			a=algor2;
-		if (a == NULL) continue;
-                if (type->pkey_type == NID_dsaWithSHA1)
-			{
-			/* special case: RFC 2459 tells us to omit 'parameters'
-			 * with id-dsa-with-sha1 */
-			ASN1_TYPE_free(a->parameter);
-			a->parameter = NULL;
-			}
-		else if ((a->parameter == NULL) || 
-			(a->parameter->type != V_ASN1_NULL))
-			{
-			ASN1_TYPE_free(a->parameter);
-			if ((a->parameter=ASN1_TYPE_new()) == NULL) goto err;
-			a->parameter->type=V_ASN1_NULL;
-			}
-		ASN1_OBJECT_free(a->algorithm);
-		a->algorithm=OBJ_nid2obj(type->pkey_type);
-		if (a->algorithm == NULL)
-			{
-			ASN1err(ASN1_F_ASN1_SIGN,ASN1_R_UNKNOWN_OBJECT_TYPE);
-			goto err;
-			}
-		if (a->algorithm->length == 0)
-			{
-			ASN1err(ASN1_F_ASN1_SIGN,ASN1_R_THE_ASN1_OBJECT_IDENTIFIER_IS_NOT_KNOWN_FOR_THIS_MD);
-			goto err;
-			}
-		}
-	inl=i2d(data,NULL);
-	buf_in=(unsigned char *)OPENSSL_malloc((unsigned int)inl);
-	outll=outl=EVP_PKEY_size(pkey);
-	buf_out=(unsigned char *)OPENSSL_malloc((unsigned int)outl);
-	if ((buf_in == NULL) || (buf_out == NULL))
-		{
-		outl=0;
-		ASN1err(ASN1_F_ASN1_SIGN,ERR_R_MALLOC_FAILURE);
-		goto err;
-		}
-	p=buf_in;
-
-	i2d(data,&p);
-	if (!EVP_SignInit_ex(&ctx,type, NULL)
-		|| !EVP_SignUpdate(&ctx,(unsigned char *)buf_in,inl)
-		|| !EVP_SignFinal(&ctx,(unsigned char *)buf_out,
-			(unsigned int *)&outl,pkey))
-		{
-		outl=0;
-		ASN1err(ASN1_F_ASN1_SIGN,ERR_R_EVP_LIB);
-		goto err;
-		}
-	if (signature->data != NULL) OPENSSL_free(signature->data);
-	signature->data=buf_out;
-	buf_out=NULL;
-	signature->length=outl;
-	/* In the interests of compatibility, I'll make sure that
-	 * the bit string has a 'not-used bits' value of 0
-	 */
-	signature->flags&= ~(ASN1_STRING_FLAG_BITS_LEFT|0x07);
-	signature->flags|=ASN1_STRING_FLAG_BITS_LEFT;
-err:
-	EVP_MD_CTX_cleanup(&ctx);
-	if (buf_in != NULL)
-		{ OPENSSL_cleanse((char *)buf_in,(unsigned int)inl); OPENSSL_free(buf_in); }
-	if (buf_out != NULL)
-		{ OPENSSL_cleanse((char *)buf_out,outll); OPENSSL_free(buf_out); }
-	return(outl);
-	}
-
-#endif
-
-int ASN1_item_sign(const ASN1_ITEM *it, X509_ALGOR *algor1, X509_ALGOR *algor2,
-	     ASN1_BIT_STRING *signature, void *asn, EVP_PKEY *pkey,
-	     const EVP_MD *type)
-	{
-	EVP_MD_CTX ctx;
-	EVP_MD_CTX_init(&ctx);
-	if (!EVP_DigestSignInit(&ctx, NULL, type, NULL, pkey))
-		{
-		EVP_MD_CTX_cleanup(&ctx);
-		return 0;
-		}
-	return ASN1_item_sign_ctx(it, algor1, algor2, signature, asn, &ctx);
-	}
-		
-
-int ASN1_item_sign_ctx(const ASN1_ITEM *it,
-		X509_ALGOR *algor1, X509_ALGOR *algor2,
-	     	ASN1_BIT_STRING *signature, void *asn, EVP_MD_CTX *ctx)
-	{
-	const EVP_MD *type;
-	EVP_PKEY *pkey;
-	unsigned char *buf_in=NULL,*buf_out=NULL;
-	size_t inl=0,outl=0,outll=0;
-	int signid, paramtype;
-	int rv;
-
-	type = EVP_MD_CTX_md(ctx);
-	pkey = EVP_PKEY_CTX_get0_pkey(ctx->pctx);
-
-	if (!type || !pkey)
-		{
-		ASN1err(ASN1_F_ASN1_ITEM_SIGN_CTX, ASN1_R_CONTEXT_NOT_INITIALISED);
-		return 0;
-		}
-
-	if (pkey->ameth->item_sign)
-		{
-		rv = pkey->ameth->item_sign(ctx, it, asn, algor1, algor2,
-						signature);
-		if (rv == 1)
-			outl = signature->length;
-		/* Return value meanings:
-		 * <=0: error.
-		 *   1: method does everything.
-		 *   2: carry on as normal.
-		 *   3: ASN1 method sets algorithm identifiers: just sign.
-		 */
-		if (rv <= 0)
-			ASN1err(ASN1_F_ASN1_ITEM_SIGN_CTX, ERR_R_EVP_LIB);
-		if (rv <= 1)
-			goto err;
-		}
-	else
-		rv = 2;
-
-	if (rv == 2)
-		{
-		if (type->flags & EVP_MD_FLAG_PKEY_METHOD_SIGNATURE)
-			{
-			if (!pkey->ameth ||
-				!OBJ_find_sigid_by_algs(&signid,
-							EVP_MD_nid(type),
-							pkey->ameth->pkey_id))
-				{
-				ASN1err(ASN1_F_ASN1_ITEM_SIGN_CTX,
-					ASN1_R_DIGEST_AND_KEY_TYPE_NOT_SUPPORTED);
-				return 0;
-				}
-			}
-		else
-			signid = type->pkey_type;
-
-		if (pkey->ameth->pkey_flags & ASN1_PKEY_SIGPARAM_NULL)
-			paramtype = V_ASN1_NULL;
-		else
-			paramtype = V_ASN1_UNDEF;
-
-		if (algor1)
-			X509_ALGOR_set0(algor1, OBJ_nid2obj(signid), paramtype, NULL);
-		if (algor2)
-			X509_ALGOR_set0(algor2, OBJ_nid2obj(signid), paramtype, NULL);
-
-		}
-
-	inl=ASN1_item_i2d(asn,&buf_in, it);
-	outll=outl=EVP_PKEY_size(pkey);
-	buf_out=OPENSSL_malloc((unsigned int)outl);
-	if ((buf_in == NULL) || (buf_out == NULL))
-		{
-		outl=0;
-		ASN1err(ASN1_F_ASN1_ITEM_SIGN_CTX,ERR_R_MALLOC_FAILURE);
-		goto err;
-		}
-
-	if (!EVP_DigestSignUpdate(ctx, buf_in, inl)
-		|| !EVP_DigestSignFinal(ctx, buf_out, &outl))
-		{
-		outl=0;
-		ASN1err(ASN1_F_ASN1_ITEM_SIGN_CTX,ERR_R_EVP_LIB);
-		goto err;
-		}
-	if (signature->data != NULL) OPENSSL_free(signature->data);
-	signature->data=buf_out;
-	buf_out=NULL;
-	signature->length=outl;
-	/* In the interests of compatibility, I'll make sure that
-	 * the bit string has a 'not-used bits' value of 0
-	 */
-	signature->flags&= ~(ASN1_STRING_FLAG_BITS_LEFT|0x07);
-	signature->flags|=ASN1_STRING_FLAG_BITS_LEFT;
-err:
-	EVP_MD_CTX_cleanup(ctx);
-	if (buf_in != NULL)
-		{ OPENSSL_cleanse((char *)buf_in,(unsigned int)inl); OPENSSL_free(buf_in); }
-	if (buf_out != NULL)
-		{ OPENSSL_cleanse((char *)buf_out,outll); OPENSSL_free(buf_out); }
-	return(outl);
-	}