Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/ecdsa/ecs_sign.c

-/* crypto/ecdsa/ecdsa_sign.c */
-/* ====================================================================
- * Copyright (c) 1998-2002 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 "ecs_locl.h"
-#ifndef OPENSSL_NO_ENGINE
-#include <openssl/engine.h>
-#endif
-#include <openssl/rand.h>
-
-ECDSA_SIG *ECDSA_do_sign(const unsigned char *dgst, int dlen, EC_KEY *eckey)
-{
-        return ECDSA_do_sign_ex(dgst, dlen, NULL, NULL, eckey);
-}
-
-ECDSA_SIG *ECDSA_do_sign_ex(const unsigned char *dgst, int dlen,
-        const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey)
-{
-        ECDSA_DATA *ecdsa = ecdsa_check(eckey);
-        if (ecdsa == NULL)
-                return NULL;
-        return ecdsa->meth->ecdsa_do_sign(dgst, dlen, kinv, rp, eckey);
-}
-
-int ECDSA_sign(int type, const unsigned char *dgst, int dlen, unsigned char 
-                *sig, unsigned int *siglen, EC_KEY *eckey)
-{
-        return ECDSA_sign_ex(type, dgst, dlen, sig, siglen, NULL, NULL, eckey);
-}
-
-int ECDSA_sign_ex(int type, const unsigned char *dgst, int dlen, unsigned char 
-        *sig, unsigned int *siglen, const BIGNUM *kinv, const BIGNUM *r, 
-        EC_KEY *eckey)
-{
-        ECDSA_SIG *s;
-        RAND_seed(dgst, dlen);
-        s = ECDSA_do_sign_ex(dgst, dlen, kinv, r, eckey);
-        if (s == NULL)
-        {
-                *siglen=0;
-                return 0;
-        }
-        *siglen = i2d_ECDSA_SIG(s, &sig);
-        ECDSA_SIG_free(s);
-        return 1;
-}
-
-int ECDSA_sign_setup(EC_KEY *eckey, BN_CTX *ctx_in, BIGNUM **kinvp, 
-                BIGNUM **rp)
-{
-        ECDSA_DATA *ecdsa = ecdsa_check(eckey);
-        if (ecdsa == NULL)
-                return 0;
-        return ecdsa->meth->ecdsa_sign_setup(eckey, ctx_in, kinvp, rp); 
-}