Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/pkcs7/sign.c

-/* crypto/pkcs7/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.]
- */
-#include <stdio.h>
-#include <string.h>
-#include <openssl/bio.h>
-#include <openssl/x509.h>
-#include <openssl/pem.h>
-#include <openssl/err.h>
-
-int main(argc,argv)
-int argc;
-char *argv[];
-        {
-        X509 *x509;
-        EVP_PKEY *pkey;
-        PKCS7 *p7;
-        PKCS7_SIGNER_INFO *si;
-        BIO *in;
-        BIO *data,*p7bio;
-        char buf[1024*4];
-        int i;
-        int nodetach=0;
-
-#ifndef OPENSSL_NO_MD2
-        EVP_add_digest(EVP_md2());
-#endif
-#ifndef OPENSSL_NO_MD5
-        EVP_add_digest(EVP_md5());
-#endif
-#ifndef OPENSSL_NO_SHA1
-        EVP_add_digest(EVP_sha1());
-#endif
-#ifndef OPENSSL_NO_MDC2
-        EVP_add_digest(EVP_mdc2());
-#endif
-
-        data=BIO_new(BIO_s_file());
-again:
-        if (argc > 1)
-                {
-                if (strcmp(argv[1],"-nd") == 0)
-                        {
-                        nodetach=1;
-                        argv++; argc--;
-                        goto again;
-                        }
-                if (!BIO_read_filename(data,argv[1]))
-                        goto err;
-                }
-        else
-                BIO_set_fp(data,stdin,BIO_NOCLOSE);
-
-        if ((in=BIO_new_file("server.pem","r")) == NULL) goto err;
-        if ((x509=PEM_read_bio_X509(in,NULL,NULL,NULL)) == NULL) goto err;
-        BIO_reset(in);
-        if ((pkey=PEM_read_bio_PrivateKey(in,NULL,NULL,NULL)) == NULL) goto err;
-        BIO_free(in);
-
-        p7=PKCS7_new();
-        PKCS7_set_type(p7,NID_pkcs7_signed);
-         
-        si=PKCS7_add_signature(p7,x509,pkey,EVP_sha1());
-        if (si == NULL) goto err;
-
-        /* If you do this then you get signing time automatically added */
-        PKCS7_add_signed_attribute(si, NID_pkcs9_contentType, V_ASN1_OBJECT,
-                                                OBJ_nid2obj(NID_pkcs7_data));
-
-        /* we may want to add more */
-        PKCS7_add_certificate(p7,x509);
-
-        /* Set the content of the signed to 'data' */
-        PKCS7_content_new(p7,NID_pkcs7_data);
-
-        if (!nodetach)
-                PKCS7_set_detached(p7,1);
-
-        if ((p7bio=PKCS7_dataInit(p7,NULL)) == NULL) goto err;
-
-        for (;;)
-                {
-                i=BIO_read(data,buf,sizeof(buf));
-                if (i <= 0) break;
-                BIO_write(p7bio,buf,i);
-                }
-
-        if (!PKCS7_dataFinal(p7,p7bio)) goto err;
-        BIO_free(p7bio);
-
-        PEM_write_PKCS7(stdout,p7);
-        PKCS7_free(p7);
-
-        exit(0);
-err:
-        ERR_load_crypto_strings();
-        ERR_print_errors_fp(stderr);
-        exit(1);
-        }
-