Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/dh/dh_pmeth.c

Index: openssl/crypto/dh/dh_pmeth.c
diff --git a/openssl/crypto/dh/dh_pmeth.c b/openssl/crypto/dh/dh_pmeth.c
deleted file mode 100644
index 5ae72b7d4cc271481279309140fb6b976fd365d3..0000000000000000000000000000000000000000
--- a/openssl/crypto/dh/dh_pmeth.c
+++ /dev/null
@@ -1,254 +0,0 @@
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 2006.
- */
-/* ====================================================================
- * Copyright (c) 2006 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>
-#include <openssl/evp.h>
-#include <openssl/dh.h>
-#include <openssl/bn.h>
-#include "evp_locl.h"
-
-/* DH pkey context structure */
-
-typedef struct
-	{
-	/* Parameter gen parameters */
-	int prime_len;
-	int generator;
-	int use_dsa;
-	/* Keygen callback info */
-	int gentmp[2];
-	/* message digest */
-	} DH_PKEY_CTX;
-
-static int pkey_dh_init(EVP_PKEY_CTX *ctx)
-	{
-	DH_PKEY_CTX *dctx;
-	dctx = OPENSSL_malloc(sizeof(DH_PKEY_CTX));
-	if (!dctx)
-		return 0;
-	dctx->prime_len = 1024;
-	dctx->generator = 2;
-	dctx->use_dsa = 0;
-
-	ctx->data = dctx;
-	ctx->keygen_info = dctx->gentmp;
-	ctx->keygen_info_count = 2;
-	
-	return 1;
-	}
-
-static int pkey_dh_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
-	{
-	DH_PKEY_CTX *dctx, *sctx;
-	if (!pkey_dh_init(dst))
-		return 0;
-       	sctx = src->data;
-	dctx = dst->data;
-	dctx->prime_len = sctx->prime_len;
-	dctx->generator = sctx->generator;
-	dctx->use_dsa = sctx->use_dsa;
-	return 1;
-	}
-
-static void pkey_dh_cleanup(EVP_PKEY_CTX *ctx)
-	{
-	DH_PKEY_CTX *dctx = ctx->data;
-	if (dctx)
-		OPENSSL_free(dctx);
-	}
-
-static int pkey_dh_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
-	{
-	DH_PKEY_CTX *dctx = ctx->data;
-	switch (type)
-		{
-		case EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN:
-		if (p1 < 256)
-			return -2;
-		dctx->prime_len = p1;
-		return 1;
-
-		case EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR:
-		dctx->generator = p1;
-		return 1;
-
-		case EVP_PKEY_CTRL_PEER_KEY:
-		/* Default behaviour is OK */
-		return 1;
-
-		default:
-		return -2;
-
-		}
-	}
-
-			
-static int pkey_dh_ctrl_str(EVP_PKEY_CTX *ctx,
-			const char *type, const char *value)
-	{
-	if (!strcmp(type, "dh_paramgen_prime_len"))
-		{
-		int len;
-		len = atoi(value);
-		return EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, len);
-		}
-	if (!strcmp(type, "dh_paramgen_generator"))
-		{
-		int len;
-		len = atoi(value);
-		return EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, len);
-		}
-	return -2;
-	}
-
-static int pkey_dh_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
-	{
-	DH *dh = NULL;
-	DH_PKEY_CTX *dctx = ctx->data;
-	BN_GENCB *pcb, cb;
-	int ret;
-	if (ctx->pkey_gencb)
-		{
-		pcb = &cb;
-		evp_pkey_set_cb_translate(pcb, ctx);
-		}
-	else
-		pcb = NULL;
-	dh = DH_new();
-	if (!dh)
-		return 0;
-	ret = DH_generate_parameters_ex(dh,
-					dctx->prime_len, dctx->generator, pcb);
-	if (ret)
-		EVP_PKEY_assign_DH(pkey, dh);
-	else
-		DH_free(dh);
-	return ret;
-	}
-
-static int pkey_dh_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
-	{
-	DH *dh = NULL;
-	if (ctx->pkey == NULL)
-		{
-		DHerr(DH_F_PKEY_DH_KEYGEN, DH_R_NO_PARAMETERS_SET);
-		return 0;
-		}
-	dh = DH_new();
-	if (!dh)
-		return 0;
-	EVP_PKEY_assign_DH(pkey, dh);
-	/* Note: if error return, pkey is freed by parent routine */
-	if (!EVP_PKEY_copy_parameters(pkey, ctx->pkey))
-		return 0;
-	return DH_generate_key(pkey->pkey.dh);
-	}
-
-static int pkey_dh_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen)
-	{
-	int ret;
-	if (!ctx->pkey || !ctx->peerkey)
-		{
-		DHerr(DH_F_PKEY_DH_DERIVE, DH_R_KEYS_NOT_SET);
-		return 0;
-		}
-	ret = DH_compute_key(key, ctx->peerkey->pkey.dh->pub_key,
-							ctx->pkey->pkey.dh);
-	if (ret < 0)
-		return ret;
-	*keylen = ret;
-	return 1;
-	}
-
-const EVP_PKEY_METHOD dh_pkey_meth = 
-	{
-	EVP_PKEY_DH,
-	EVP_PKEY_FLAG_AUTOARGLEN,
-	pkey_dh_init,
-	pkey_dh_copy,
-	pkey_dh_cleanup,
-
-	0,
-	pkey_dh_paramgen,
-
-	0,
-	pkey_dh_keygen,
-
-	0,
-	0,
-
-	0,
-	0,
-
-	0,0,
-
-	0,0,0,0,
-
-	0,0,
-
-	0,0,
-
-	0,
-	pkey_dh_derive,
-
-	pkey_dh_ctrl,
-	pkey_dh_ctrl_str
-
-	};