Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/ec/ec_pmeth.c

Index: openssl/crypto/ec/ec_pmeth.c
diff --git a/openssl/crypto/ec/ec_pmeth.c b/openssl/crypto/ec/ec_pmeth.c
deleted file mode 100644
index 66ee397d86c4137af00ba1c5966137f1fa4be367..0000000000000000000000000000000000000000
--- a/openssl/crypto/ec/ec_pmeth.c
+++ /dev/null
@@ -1,341 +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/ec.h>
-#include <openssl/ecdsa.h>
-#include <openssl/evp.h>
-#include "evp_locl.h"
-
-/* EC pkey context structure */
-
-typedef struct
-	{
-	/* Key and paramgen group */
-	EC_GROUP *gen_group;
-	/* message digest */
-	const EVP_MD *md;
-	} EC_PKEY_CTX;
-
-static int pkey_ec_init(EVP_PKEY_CTX *ctx)
-	{
-	EC_PKEY_CTX *dctx;
-	dctx = OPENSSL_malloc(sizeof(EC_PKEY_CTX));
-	if (!dctx)
-		return 0;
-	dctx->gen_group = NULL;
-	dctx->md = NULL;
-
-	ctx->data = dctx;
-
-	return 1;
-	}
-
-static int pkey_ec_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
-	{
-	EC_PKEY_CTX *dctx, *sctx;
-	if (!pkey_ec_init(dst))
-		return 0;
-       	sctx = src->data;
-	dctx = dst->data;
-	if (sctx->gen_group)
-		{
-		dctx->gen_group = EC_GROUP_dup(sctx->gen_group);
-		if (!dctx->gen_group)
-			return 0;
-		}
-	dctx->md = sctx->md;
-	return 1;
-	}
-
-static void pkey_ec_cleanup(EVP_PKEY_CTX *ctx)
-	{
-	EC_PKEY_CTX *dctx = ctx->data;
-	if (dctx)
-		{
-		if (dctx->gen_group)
-			EC_GROUP_free(dctx->gen_group);
-		OPENSSL_free(dctx);
-		}
-	}
-
-static int pkey_ec_sign(EVP_PKEY_CTX *ctx, unsigned char *sig, size_t *siglen,
-					const unsigned char *tbs, size_t tbslen)
-	{
-	int ret, type;
-	unsigned int sltmp;
-	EC_PKEY_CTX *dctx = ctx->data;
-	EC_KEY *ec = ctx->pkey->pkey.ec;
-
-	if (!sig)
-		{
-		*siglen = ECDSA_size(ec);
-		return 1;
-		}
-	else if(*siglen < (size_t)ECDSA_size(ec))
-		{
-		ECerr(EC_F_PKEY_EC_SIGN, EC_R_BUFFER_TOO_SMALL);
-		return 0;
-		}
-
-	if (dctx->md)
-		type = EVP_MD_type(dctx->md);
-	else
-		type = NID_sha1;
-
-
-	ret = ECDSA_sign(type, tbs, tbslen, sig, &sltmp, ec);
-
-	if (ret <= 0)
-		return ret;
-	*siglen = (size_t)sltmp;
-	return 1;
-	}
-
-static int pkey_ec_verify(EVP_PKEY_CTX *ctx,
-					const unsigned char *sig, size_t siglen,
-					const unsigned char *tbs, size_t tbslen)
-	{
-	int ret, type;
-	EC_PKEY_CTX *dctx = ctx->data;
-	EC_KEY *ec = ctx->pkey->pkey.ec;
-
-	if (dctx->md)
-		type = EVP_MD_type(dctx->md);
-	else
-		type = NID_sha1;
-
-	ret = ECDSA_verify(type, tbs, tbslen, sig, siglen, ec);
-
-	return ret;
-	}
-
-static int pkey_ec_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen)
-	{
-	int ret;
-	size_t outlen;
-	const EC_POINT *pubkey = NULL;
-	if (!ctx->pkey || !ctx->peerkey)
-		{
-		ECerr(EC_F_PKEY_EC_DERIVE, EC_R_KEYS_NOT_SET);
-		return 0;
-		}
-
-	if (!key)
-		{
-		const EC_GROUP *group;
-		group = EC_KEY_get0_group(ctx->pkey->pkey.ec);
-		*keylen = (EC_GROUP_get_degree(group) + 7)/8;
-		return 1;
-		}
-
-	pubkey = EC_KEY_get0_public_key(ctx->peerkey->pkey.ec);
-
-	/* NB: unlike PKCS#3 DH, if *outlen is less than maximum size this is
-	 * not an error, the result is truncated.
-	 */
-
-	outlen = *keylen;
-		
-	ret = ECDH_compute_key(key, outlen, pubkey, ctx->pkey->pkey.ec, 0);
-	if (ret < 0)
-		return ret;
-	*keylen = ret;
-	return 1;
-	}
-
-static int pkey_ec_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
-	{
-	EC_PKEY_CTX *dctx = ctx->data;
-	EC_GROUP *group;
-	switch (type)
-		{
-		case EVP_PKEY_CTRL_EC_PARAMGEN_CURVE_NID:
-		group = EC_GROUP_new_by_curve_name(p1);
-		if (group == NULL)
-			{
-			ECerr(EC_F_PKEY_EC_CTRL, EC_R_INVALID_CURVE);
-			return 0;
-			}
-		if (dctx->gen_group)
-			EC_GROUP_free(dctx->gen_group);
-		dctx->gen_group = group;
-		return 1;
-
-		case EVP_PKEY_CTRL_MD:
-		if (EVP_MD_type((const EVP_MD *)p2) != NID_sha1 &&
-		    EVP_MD_type((const EVP_MD *)p2) != NID_ecdsa_with_SHA1 &&
-		    EVP_MD_type((const EVP_MD *)p2) != NID_sha224 &&
-		    EVP_MD_type((const EVP_MD *)p2) != NID_sha256 &&
-		    EVP_MD_type((const EVP_MD *)p2) != NID_sha384 &&
-		    EVP_MD_type((const EVP_MD *)p2) != NID_sha512)
-			{
-			ECerr(EC_F_PKEY_EC_CTRL, EC_R_INVALID_DIGEST_TYPE);
-			return 0;
-			}
-		dctx->md = p2;
-		return 1;
-
-		case EVP_PKEY_CTRL_PEER_KEY:
-		/* Default behaviour is OK */
-		case EVP_PKEY_CTRL_DIGESTINIT:
-		case EVP_PKEY_CTRL_PKCS7_SIGN:
-		case EVP_PKEY_CTRL_CMS_SIGN:
-		return 1;
-
-		default:
-		return -2;
-
-		}
-	}
-			
-static int pkey_ec_ctrl_str(EVP_PKEY_CTX *ctx,
-			const char *type, const char *value)
-	{
-	if (!strcmp(type, "ec_paramgen_curve"))
-		{
-		int nid;
-		nid = OBJ_sn2nid(value);
-		if (nid == NID_undef)
-			nid = OBJ_ln2nid(value);
-		if (nid == NID_undef)
-			{
-			ECerr(EC_F_PKEY_EC_CTRL_STR, EC_R_INVALID_CURVE);
-			return 0;
-			}
-		return EVP_PKEY_CTX_set_ec_paramgen_curve_nid(ctx, nid);
-		}
-	return -2;
-	}
-
-static int pkey_ec_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
-	{
-	EC_KEY *ec = NULL;
-	EC_PKEY_CTX *dctx = ctx->data;
-	int ret = 0;
-	if (dctx->gen_group == NULL)
-		{
-		ECerr(EC_F_PKEY_EC_PARAMGEN, EC_R_NO_PARAMETERS_SET);
-		return 0;
-		}
-	ec = EC_KEY_new();
-	if (!ec)
-		return 0;
-	ret = EC_KEY_set_group(ec, dctx->gen_group);
-	if (ret)
-		EVP_PKEY_assign_EC_KEY(pkey, ec);
-	else
-		EC_KEY_free(ec);
-	return ret;
-	}
-
-static int pkey_ec_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
-	{
-	EC_KEY *ec = NULL;
-	if (ctx->pkey == NULL)
-		{
-		ECerr(EC_F_PKEY_EC_KEYGEN, EC_R_NO_PARAMETERS_SET);
-		return 0;
-		}
-	ec = EC_KEY_new();
-	if (!ec)
-		return 0;
-	EVP_PKEY_assign_EC_KEY(pkey, ec);
-	/* Note: if error return, pkey is freed by parent routine */
-	if (!EVP_PKEY_copy_parameters(pkey, ctx->pkey))
-		return 0;
-	return EC_KEY_generate_key(pkey->pkey.ec);
-	}
-
-const EVP_PKEY_METHOD ec_pkey_meth = 
-	{
-	EVP_PKEY_EC,
-	0,
-	pkey_ec_init,
-	pkey_ec_copy,
-	pkey_ec_cleanup,
-
-	0,
-	pkey_ec_paramgen,
-
-	0,
-	pkey_ec_keygen,
-
-	0,
-	pkey_ec_sign,
-
-	0,
-	pkey_ec_verify,
-
-	0,0,
-
-	0,0,0,0,
-
-	0,0,
-
-	0,0,
-
-	0,
-	pkey_ec_derive,
-
-	pkey_ec_ctrl,
-	pkey_ec_ctrl_str
-
-	};