Пример #1
0
void pki_pkcs7::signBio(pki_x509 *crt, BIO *bio)
{
	pki_key *privkey;
	EVP_PKEY *pk;
	STACK_OF(X509) *certstack;
	if (!crt)
		return;
	privkey = crt->getRefKey();
	if (!privkey)
		throw errorEx("No private key for signing found", getClassName());
	certstack = sk_X509_new_null();

	pki_x509 *signer = crt->getSigner();
	if (signer == crt)
		signer = NULL;
	while (signer != NULL ) {
		sk_X509_push(certstack, signer->getCert());
	        openssl_error();
		if (signer == signer->getSigner() )
			signer = NULL;
		else
			signer = signer->getSigner();
	}
	if (p7)
		PKCS7_free(p7);
	pk = privkey->decryptKey();
	p7 = PKCS7_sign(crt->getCert(), pk, certstack, bio, PKCS7_BINARY);
	EVP_PKEY_free(pk);
	openssl_error();
	sk_X509_free(certstack);
}
Пример #2
0
static LUA_FUNCTION(openssl_pkcs7_sign)
{
  BIO *in  = load_bio_object(L, 1);
  X509 *cert = CHECK_OBJECT(2, X509, "openssl.x509");
  EVP_PKEY *privkey = CHECK_OBJECT(3, EVP_PKEY, "openssl.evp_pkey");
  STACK_OF(X509) *others = lua_isnoneornil(L, 4) ? 0 : openssl_sk_x509_fromtable(L, 4);
  long flags =  luaL_optint(L, 5, 0);
  PKCS7 *p7 = NULL;
  luaL_argcheck(L, openssl_pkey_is_private(privkey), 3, "must be private key");

  if (!X509_check_private_key(cert, privkey))
    luaL_error(L, "sigcert and private key not match");
  p7 = PKCS7_sign(cert, privkey, others, in, flags);
  BIO_free(in);
  if (others)
    sk_X509_pop_free(others, X509_free);
  if (p7)
  {
    PUSH_OBJECT(p7, "openssl.pkcs7");
    return 1;
  }
  else
  {
    luaL_error(L, "error creating PKCS7 structure!");
  }

  return 0;
}
Пример #3
0
/*
 * call-seq:
 *    PKCS7.sign(cert, key, data, [, certs [, flags]]) => pkcs7
 */
static VALUE
ossl_pkcs7_s_sign(int argc, VALUE *argv, VALUE klass)
{
    VALUE cert, key, data, certs, flags;
    X509 *x509;
    EVP_PKEY *pkey;
    BIO *in;
    STACK_OF(X509) *x509s;
    int flg, status = 0;
    PKCS7 *pkcs7;
    VALUE ret;

    rb_scan_args(argc, argv, "32", &cert, &key, &data, &certs, &flags);
    x509 = GetX509CertPtr(cert); /* NO NEED TO DUP */
    pkey = GetPrivPKeyPtr(key); /* NO NEED TO DUP */
    flg = NIL_P(flags) ? 0 : NUM2INT(flags);
    ret = NewPKCS7(cPKCS7);
    in = ossl_obj2bio(data);
    if(NIL_P(certs)) x509s = NULL;
    else{
	x509s = ossl_protect_x509_ary2sk(certs, &status);
	if(status){
	    BIO_free(in);
	    rb_jump_tag(status);
	}
    }
    if(!(pkcs7 = PKCS7_sign(x509, pkey, x509s, in, flg))){
	BIO_free(in);
	sk_X509_pop_free(x509s, X509_free);
	ossl_raise(ePKCS7Error, NULL);
    }
    SetPKCS7(ret, pkcs7);
    ossl_pkcs7_set_data(ret, data);
    ossl_pkcs7_set_err_string(ret, Qnil);
    BIO_free(in);
    sk_X509_pop_free(x509s, X509_free);

    return ret;
}
Пример #4
0
// Sign this block of data, the first 32 bytes of the block must be avaialble to add the certificate hash.
int __fastcall util_sign(struct util_cert cert, char* data, int datalen, char** signature)
{
	int size = 0;
	unsigned int hashsize = UTIL_HASHSIZE;
	BIO *in = NULL;
	PKCS7 *message = NULL;
	*signature = NULL;
	if (datalen <= UTIL_HASHSIZE) return 0;

	// Add hash of the certificate to start of data
	X509_digest(cert.x509, EVP_sha256(), (unsigned char*)data, &hashsize);

	// Sign the block
	in = BIO_new_mem_buf(data, datalen);
	message = PKCS7_sign(cert.x509, cert.pkey, NULL, in, PKCS7_BINARY);
	if (message == NULL) goto error;
	size = i2d_PKCS7(message, (unsigned char**)signature);
	
error:
	if (message != NULL) PKCS7_free(message);
	if (in != NULL) BIO_free(in);
	return size;
}
Пример #5
0
int smime_main(int argc, char **argv)
{
    BIO *in = NULL, *out = NULL, *indata = NULL;
    EVP_PKEY *key = NULL;
    PKCS7 *p7 = NULL;
    STACK_OF(OPENSSL_STRING) *sksigners = NULL, *skkeys = NULL;
    STACK_OF(X509) *encerts = NULL, *other = NULL;
    X509 *cert = NULL, *recip = NULL, *signer = NULL;
    X509_STORE *store = NULL;
    X509_VERIFY_PARAM *vpm = NULL;
    const EVP_CIPHER *cipher = NULL;
    const EVP_MD *sign_md = NULL;
    const char *CAfile = NULL, *CApath = NULL, *prog = NULL;
    char *certfile = NULL, *keyfile = NULL, *contfile = NULL, *inrand = NULL;
    char *infile = NULL, *outfile = NULL, *signerfile = NULL, *recipfile =
        NULL;
    char *passinarg = NULL, *passin = NULL, *to = NULL, *from =
        NULL, *subject = NULL;
    OPTION_CHOICE o;
    int noCApath = 0, noCAfile = 0;
    int flags = PKCS7_DETACHED, operation = 0, ret = 0, need_rand = 0, indef =
        0;
    int informat = FORMAT_SMIME, outformat = FORMAT_SMIME, keyform =
        FORMAT_PEM;
    int vpmtouched = 0, rv = 0;
    ENGINE *e = NULL;
    const char *mime_eol = "\n";

    if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
        return 1;

    prog = opt_init(argc, argv, smime_options);
    while ((o = opt_next()) != OPT_EOF) {
        switch (o) {
        case OPT_EOF:
        case OPT_ERR:
 opthelp:
            BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
            goto end;
        case OPT_HELP:
            opt_help(smime_options);
            ret = 0;
            goto end;
        case OPT_INFORM:
            if (!opt_format(opt_arg(), OPT_FMT_PDS, &informat))
                goto opthelp;
            break;
        case OPT_IN:
            infile = opt_arg();
            break;
        case OPT_OUTFORM:
            if (!opt_format(opt_arg(), OPT_FMT_PDS, &outformat))
                goto opthelp;
            break;
        case OPT_OUT:
            outfile = opt_arg();
            break;
        case OPT_ENCRYPT:
            operation = SMIME_ENCRYPT;
            break;
        case OPT_DECRYPT:
            operation = SMIME_DECRYPT;
            break;
        case OPT_SIGN:
            operation = SMIME_SIGN;
            break;
        case OPT_RESIGN:
            operation = SMIME_RESIGN;
            break;
        case OPT_VERIFY:
            operation = SMIME_VERIFY;
            break;
        case OPT_PK7OUT:
            operation = SMIME_PK7OUT;
            break;
        case OPT_TEXT:
            flags |= PKCS7_TEXT;
            break;
        case OPT_NOINTERN:
            flags |= PKCS7_NOINTERN;
            break;
        case OPT_NOVERIFY:
            flags |= PKCS7_NOVERIFY;
            break;
        case OPT_NOCHAIN:
            flags |= PKCS7_NOCHAIN;
            break;
        case OPT_NOCERTS:
            flags |= PKCS7_NOCERTS;
            break;
        case OPT_NOATTR:
            flags |= PKCS7_NOATTR;
            break;
        case OPT_NODETACH:
            flags &= ~PKCS7_DETACHED;
            break;
        case OPT_NOSMIMECAP:
            flags |= PKCS7_NOSMIMECAP;
            break;
        case OPT_BINARY:
            flags |= PKCS7_BINARY;
            break;
        case OPT_NOSIGS:
            flags |= PKCS7_NOSIGS;
            break;
        case OPT_STREAM:
        case OPT_INDEF:
            indef = 1;
            break;
        case OPT_NOINDEF:
            indef = 0;
            break;
        case OPT_CRLFEOL:
            flags |= PKCS7_CRLFEOL;
            mime_eol = "\r\n";
            break;
        case OPT_RAND:
            inrand = opt_arg();
            need_rand = 1;
            break;
        case OPT_ENGINE:
            e = setup_engine(opt_arg(), 0);
            break;
        case OPT_PASSIN:
            passinarg = opt_arg();
            break;
        case OPT_TO:
            to = opt_arg();
            break;
        case OPT_FROM:
            from = opt_arg();
            break;
        case OPT_SUBJECT:
            subject = opt_arg();
            break;
        case OPT_SIGNER:
            /* If previous -signer argument add signer to list */
            if (signerfile) {
                if (sksigners == NULL
                    && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
                    goto end;
                sk_OPENSSL_STRING_push(sksigners, signerfile);
                if (keyfile == NULL)
                    keyfile = signerfile;
                if (skkeys == NULL
                    && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
                    goto end;
                sk_OPENSSL_STRING_push(skkeys, keyfile);
                keyfile = NULL;
            }
            signerfile = opt_arg();
            break;
        case OPT_RECIP:
            recipfile = opt_arg();
            break;
        case OPT_MD:
            if (!opt_md(opt_arg(), &sign_md))
                goto opthelp;
            break;
        case OPT_CIPHER:
            if (!opt_cipher(opt_unknown(), &cipher))
                goto opthelp;
            break;
        case OPT_INKEY:
            /* If previous -inkey argument add signer to list */
            if (keyfile) {
                if (signerfile == NULL) {
                    BIO_printf(bio_err,
                               "%s: Must have -signer before -inkey\n", prog);
                    goto opthelp;
                }
                if (sksigners == NULL
                    && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
                    goto end;
                sk_OPENSSL_STRING_push(sksigners, signerfile);
                signerfile = NULL;
                if (skkeys == NULL
                    && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
                    goto end;
                sk_OPENSSL_STRING_push(skkeys, keyfile);
            }
            keyfile = opt_arg();
            break;
        case OPT_KEYFORM:
            if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
                goto opthelp;
            break;
        case OPT_CERTFILE:
            certfile = opt_arg();
            break;
        case OPT_CAFILE:
            CAfile = opt_arg();
            break;
        case OPT_CAPATH:
            CApath = opt_arg();
            break;
        case OPT_NOCAFILE:
            noCAfile = 1;
            break;
        case OPT_NOCAPATH:
            noCApath = 1;
            break;
        case OPT_CONTENT:
            contfile = opt_arg();
            break;
        case OPT_V_CASES:
            if (!opt_verify(o, vpm))
                goto opthelp;
            vpmtouched++;
            break;
        }
    }
    argc = opt_num_rest();
    argv = opt_rest();

    if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners)) {
        BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
        goto opthelp;
    }

    if (operation & SMIME_SIGNERS) {
        /* Check to see if any final signer needs to be appended */
        if (keyfile && !signerfile) {
            BIO_puts(bio_err, "Illegal -inkey without -signer\n");
            goto opthelp;
        }
        if (signerfile) {
            if (!sksigners
                && (sksigners = sk_OPENSSL_STRING_new_null()) == NULL)
                goto end;
            sk_OPENSSL_STRING_push(sksigners, signerfile);
            if (!skkeys && (skkeys = sk_OPENSSL_STRING_new_null()) == NULL)
                goto end;
            if (!keyfile)
                keyfile = signerfile;
            sk_OPENSSL_STRING_push(skkeys, keyfile);
        }
        if (!sksigners) {
            BIO_printf(bio_err, "No signer certificate specified\n");
            goto opthelp;
        }
        signerfile = NULL;
        keyfile = NULL;
        need_rand = 1;
    } else if (operation == SMIME_DECRYPT) {
        if (!recipfile && !keyfile) {
            BIO_printf(bio_err,
                       "No recipient certificate or key specified\n");
            goto opthelp;
        }
    } else if (operation == SMIME_ENCRYPT) {
        if (argc == 0) {
            BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
            goto opthelp;
        }
        need_rand = 1;
    } else if (!operation)
        goto opthelp;

    if (!app_passwd(passinarg, NULL, &passin, NULL)) {
        BIO_printf(bio_err, "Error getting password\n");
        goto end;
    }

    if (need_rand) {
        app_RAND_load_file(NULL, (inrand != NULL));
        if (inrand != NULL)
            BIO_printf(bio_err, "%ld semi-random bytes loaded\n",
                       app_RAND_load_files(inrand));
    }

    ret = 2;

    if (!(operation & SMIME_SIGNERS))
        flags &= ~PKCS7_DETACHED;

    if (!(operation & SMIME_OP)) {
        if (flags & PKCS7_BINARY)
            outformat = FORMAT_BINARY;
    }

    if (!(operation & SMIME_IP)) {
        if (flags & PKCS7_BINARY)
            informat = FORMAT_BINARY;
    }

    if (operation == SMIME_ENCRYPT) {
        if (!cipher) {
#ifndef OPENSSL_NO_DES
            cipher = EVP_des_ede3_cbc();
#else
            BIO_printf(bio_err, "No cipher selected\n");
            goto end;
#endif
        }
        encerts = sk_X509_new_null();
        if (!encerts)
            goto end;
        while (*argv) {
            cert = load_cert(*argv, FORMAT_PEM,
                             "recipient certificate file");
            if (cert == NULL)
                goto end;
            sk_X509_push(encerts, cert);
            cert = NULL;
            argv++;
        }
    }

    if (certfile) {
        if (!load_certs(certfile, &other, FORMAT_PEM, NULL,
                        "certificate file")) {
            ERR_print_errors(bio_err);
            goto end;
        }
    }

    if (recipfile && (operation == SMIME_DECRYPT)) {
        if ((recip = load_cert(recipfile, FORMAT_PEM,
                               "recipient certificate file")) == NULL) {
            ERR_print_errors(bio_err);
            goto end;
        }
    }

    if (operation == SMIME_DECRYPT) {
        if (!keyfile)
            keyfile = recipfile;
    } else if (operation == SMIME_SIGN) {
        if (!keyfile)
            keyfile = signerfile;
    } else
        keyfile = NULL;

    if (keyfile) {
        key = load_key(keyfile, keyform, 0, passin, e, "signing key file");
        if (!key)
            goto end;
    }

    in = bio_open_default(infile, 'r', informat);
    if (in == NULL)
        goto end;

    if (operation & SMIME_IP) {
        if (informat == FORMAT_SMIME)
            p7 = SMIME_read_PKCS7(in, &indata);
        else if (informat == FORMAT_PEM)
            p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
        else if (informat == FORMAT_ASN1)
            p7 = d2i_PKCS7_bio(in, NULL);
        else {
            BIO_printf(bio_err, "Bad input format for PKCS#7 file\n");
            goto end;
        }

        if (!p7) {
            BIO_printf(bio_err, "Error reading S/MIME message\n");
            goto end;
        }
        if (contfile) {
            BIO_free(indata);
            if ((indata = BIO_new_file(contfile, "rb")) == NULL) {
                BIO_printf(bio_err, "Can't read content file %s\n", contfile);
                goto end;
            }
        }
    }

    out = bio_open_default(outfile, 'w', outformat);
    if (out == NULL)
        goto end;

    if (operation == SMIME_VERIFY) {
        if ((store = setup_verify(CAfile, CApath, noCAfile, noCApath)) == NULL)
            goto end;
        X509_STORE_set_verify_cb(store, smime_cb);
        if (vpmtouched)
            X509_STORE_set1_param(store, vpm);
    }

    ret = 3;

    if (operation == SMIME_ENCRYPT) {
        if (indef)
            flags |= PKCS7_STREAM;
        p7 = PKCS7_encrypt(encerts, in, cipher, flags);
    } else if (operation & SMIME_SIGNERS) {
        int i;
        /*
         * If detached data content we only enable streaming if S/MIME output
         * format.
         */
        if (operation == SMIME_SIGN) {
            if (flags & PKCS7_DETACHED) {
                if (outformat == FORMAT_SMIME)
                    flags |= PKCS7_STREAM;
            } else if (indef)
                flags |= PKCS7_STREAM;
            flags |= PKCS7_PARTIAL;
            p7 = PKCS7_sign(NULL, NULL, other, in, flags);
            if (!p7)
                goto end;
            if (flags & PKCS7_NOCERTS) {
                for (i = 0; i < sk_X509_num(other); i++) {
                    X509 *x = sk_X509_value(other, i);
                    PKCS7_add_certificate(p7, x);
                }
            }
        } else
            flags |= PKCS7_REUSE_DIGEST;
        for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) {
            signerfile = sk_OPENSSL_STRING_value(sksigners, i);
            keyfile = sk_OPENSSL_STRING_value(skkeys, i);
            signer = load_cert(signerfile, FORMAT_PEM,
                               "signer certificate");
            if (!signer)
                goto end;
            key = load_key(keyfile, keyform, 0, passin, e, "signing key file");
            if (!key)
                goto end;
            if (!PKCS7_sign_add_signer(p7, signer, key, sign_md, flags))
                goto end;
            X509_free(signer);
            signer = NULL;
            EVP_PKEY_free(key);
            key = NULL;
        }
        /* If not streaming or resigning finalize structure */
        if ((operation == SMIME_SIGN) && !(flags & PKCS7_STREAM)) {
            if (!PKCS7_final(p7, in, flags))
                goto end;
        }
    }

    if (!p7) {
        BIO_printf(bio_err, "Error creating PKCS#7 structure\n");
        goto end;
    }

    ret = 4;
    if (operation == SMIME_DECRYPT) {
        if (!PKCS7_decrypt(p7, key, recip, out, flags)) {
            BIO_printf(bio_err, "Error decrypting PKCS#7 structure\n");
            goto end;
        }
    } else if (operation == SMIME_VERIFY) {
        STACK_OF(X509) *signers;
        if (PKCS7_verify(p7, other, store, indata, out, flags))
            BIO_printf(bio_err, "Verification successful\n");
        else {
            BIO_printf(bio_err, "Verification failure\n");
            goto end;
        }
        signers = PKCS7_get0_signers(p7, other, flags);
        if (!save_certs(signerfile, signers)) {
            BIO_printf(bio_err, "Error writing signers to %s\n", signerfile);
            ret = 5;
            goto end;
        }
        sk_X509_free(signers);
    } else if (operation == SMIME_PK7OUT)
        PEM_write_bio_PKCS7(out, p7);
    else {
        if (to)
            BIO_printf(out, "To: %s%s", to, mime_eol);
        if (from)
            BIO_printf(out, "From: %s%s", from, mime_eol);
        if (subject)
            BIO_printf(out, "Subject: %s%s", subject, mime_eol);
        if (outformat == FORMAT_SMIME) {
            if (operation == SMIME_RESIGN)
                rv = SMIME_write_PKCS7(out, p7, indata, flags);
            else
                rv = SMIME_write_PKCS7(out, p7, in, flags);
        } else if (outformat == FORMAT_PEM)
            rv = PEM_write_bio_PKCS7_stream(out, p7, in, flags);
        else if (outformat == FORMAT_ASN1)
            rv = i2d_PKCS7_bio_stream(out, p7, in, flags);
        else {
            BIO_printf(bio_err, "Bad output format for PKCS#7 file\n");
            goto end;
        }
        if (rv == 0) {
            BIO_printf(bio_err, "Error writing output\n");
            ret = 3;
            goto end;
        }
    }
    ret = 0;
 end:
    if (need_rand)
        app_RAND_write_file(NULL);
    if (ret)
        ERR_print_errors(bio_err);
    sk_X509_pop_free(encerts, X509_free);
    sk_X509_pop_free(other, X509_free);
    X509_VERIFY_PARAM_free(vpm);
    sk_OPENSSL_STRING_free(sksigners);
    sk_OPENSSL_STRING_free(skkeys);
    X509_STORE_free(store);
    X509_free(cert);
    X509_free(recip);
    X509_free(signer);
    EVP_PKEY_free(key);
    PKCS7_free(p7);
    release_engine(e);
    BIO_free(in);
    BIO_free(indata);
    BIO_free_all(out);
    OPENSSL_free(passin);
    return (ret);
}
Пример #6
0
int MAIN(int argc, char **argv)
	{
	ENGINE *e = NULL;
	int operation = 0;
	int ret = 0;
	char **args;
	const char *inmode = "r", *outmode = "w";
	char *infile = NULL, *outfile = NULL;
	char *signerfile = NULL, *recipfile = NULL;
	char *certfile = NULL, *keyfile = NULL, *contfile=NULL;
	const EVP_CIPHER *cipher = NULL;
	PKCS7 *p7 = NULL;
	X509_STORE *store = NULL;
	X509 *cert = NULL, *recip = NULL, *signer = NULL;
	EVP_PKEY *key = NULL;
	STACK_OF(X509) *encerts = NULL, *other = NULL;
	BIO *in = NULL, *out = NULL, *indata = NULL;
	int badarg = 0;
	int flags = PKCS7_DETACHED;
	char *to = NULL, *from = NULL, *subject = NULL;
	char *CAfile = NULL, *CApath = NULL;
	char *passargin = NULL, *passin = NULL;
	char *inrand = NULL;
	int need_rand = 0;
	int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
        int keyform = FORMAT_PEM;
#ifndef OPENSSL_NO_ENGINE
	char *engine=NULL;
#endif

	X509_VERIFY_PARAM *vpm = NULL;

	args = argv + 1;
	ret = 1;

	apps_startup();

	if (bio_err == NULL)
		{
		if ((bio_err = BIO_new(BIO_s_file())) != NULL)
			BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT);
		}

	if (!load_config(bio_err, NULL))
		goto end;

	while (!badarg && *args && *args[0] == '-')
		{
		if (!strcmp (*args, "-encrypt"))
			operation = SMIME_ENCRYPT;
		else if (!strcmp (*args, "-decrypt"))
			operation = SMIME_DECRYPT;
		else if (!strcmp (*args, "-sign"))
			operation = SMIME_SIGN;
		else if (!strcmp (*args, "-verify"))
			operation = SMIME_VERIFY;
		else if (!strcmp (*args, "-pk7out"))
			operation = SMIME_PK7OUT;
#ifndef OPENSSL_NO_DES
		else if (!strcmp (*args, "-des3")) 
				cipher = EVP_des_ede3_cbc();
		else if (!strcmp (*args, "-des")) 
				cipher = EVP_des_cbc();
#endif
#ifndef OPENSSL_NO_SEED
		else if (!strcmp (*args, "-seed")) 
				cipher = EVP_seed_cbc();
#endif
#ifndef OPENSSL_NO_RC2
		else if (!strcmp (*args, "-rc2-40")) 
				cipher = EVP_rc2_40_cbc();
		else if (!strcmp (*args, "-rc2-128")) 
				cipher = EVP_rc2_cbc();
		else if (!strcmp (*args, "-rc2-64")) 
				cipher = EVP_rc2_64_cbc();
#endif
#ifndef OPENSSL_NO_AES
		else if (!strcmp(*args,"-aes128"))
				cipher = EVP_aes_128_cbc();
		else if (!strcmp(*args,"-aes192"))
				cipher = EVP_aes_192_cbc();
		else if (!strcmp(*args,"-aes256"))
				cipher = EVP_aes_256_cbc();
#endif
#ifndef OPENSSL_NO_CAMELLIA
		else if (!strcmp(*args,"-camellia128"))
				cipher = EVP_camellia_128_cbc();
		else if (!strcmp(*args,"-camellia192"))
				cipher = EVP_camellia_192_cbc();
		else if (!strcmp(*args,"-camellia256"))
				cipher = EVP_camellia_256_cbc();
#endif
		else if (!strcmp (*args, "-text")) 
				flags |= PKCS7_TEXT;
		else if (!strcmp (*args, "-nointern")) 
				flags |= PKCS7_NOINTERN;
		else if (!strcmp (*args, "-noverify")) 
				flags |= PKCS7_NOVERIFY;
		else if (!strcmp (*args, "-nochain")) 
				flags |= PKCS7_NOCHAIN;
		else if (!strcmp (*args, "-nocerts")) 
				flags |= PKCS7_NOCERTS;
		else if (!strcmp (*args, "-noattr")) 
				flags |= PKCS7_NOATTR;
		else if (!strcmp (*args, "-nodetach")) 
				flags &= ~PKCS7_DETACHED;
		else if (!strcmp (*args, "-nosmimecap"))
				flags |= PKCS7_NOSMIMECAP;
		else if (!strcmp (*args, "-binary"))
				flags |= PKCS7_BINARY;
		else if (!strcmp (*args, "-nosigs"))
				flags |= PKCS7_NOSIGS;
		else if (!strcmp (*args, "-nooldmime"))
				flags |= PKCS7_NOOLDMIMETYPE;
		else if (!strcmp (*args, "-crlfeol"))
				flags |= PKCS7_CRLFEOL;
		else if (!strcmp(*args,"-rand"))
			{
			if (args[1])
				{
				args++;
				inrand = *args;
				}
			else
				badarg = 1;
			need_rand = 1;
			}
#ifndef OPENSSL_NO_ENGINE
		else if (!strcmp(*args,"-engine"))
			{
			if (args[1])
				{
				args++;
				engine = *args;
				}
			else badarg = 1;
			}
#endif
		else if (!strcmp(*args,"-passin"))
			{
			if (args[1])
				{
				args++;
				passargin = *args;
				}
			else
				badarg = 1;
			}
		else if (!strcmp (*args, "-to"))
			{
			if (args[1])
				{
				args++;
				to = *args;
				}
			else
				badarg = 1;
			}
		else if (!strcmp (*args, "-from"))
			{
			if (args[1])
				{
				args++;
				from = *args;
				}
			else badarg = 1;
			}
		else if (!strcmp (*args, "-subject"))
			{
			if (args[1])
				{
				args++;
				subject = *args;
				}
			else
				badarg = 1;
			}
		else if (!strcmp (*args, "-signer"))
			{
			if (args[1])
				{
				args++;
				signerfile = *args;
				}
			else
				badarg = 1;
			}
		else if (!strcmp (*args, "-recip"))
			{
			if (args[1])
				{
				args++;
				recipfile = *args;
				}
			else badarg = 1;
			}
		else if (!strcmp (*args, "-inkey"))
			{
			if (args[1])
				{
				args++;
				keyfile = *args;
				}
			else
				badarg = 1;
		}
		else if (!strcmp (*args, "-keyform"))
			{
			if (args[1])
				{
				args++;
				keyform = str2fmt(*args);
				}
			else
				badarg = 1;
			}
		else if (!strcmp (*args, "-certfile"))
			{
			if (args[1])
				{
				args++;
				certfile = *args;
				}
			else
				badarg = 1;
			}
		else if (!strcmp (*args, "-CAfile"))
			{
			if (args[1])
				{
				args++;
				CAfile = *args;
				}
			else
				badarg = 1;
			}
		else if (!strcmp (*args, "-CApath"))
			{
			if (args[1])
				{
				args++;
				CApath = *args;
				}
			else
				badarg = 1;
			}
		else if (!strcmp (*args, "-in"))
			{
			if (args[1])
				{
				args++;
				infile = *args;
				}
			else
				badarg = 1;
			}
		else if (!strcmp (*args, "-inform"))
			{
			if (args[1])
				{
				args++;
				informat = str2fmt(*args);
				}
			else
				badarg = 1;
			}
		else if (!strcmp (*args, "-outform"))
			{
			if (args[1])
				{
				args++;
				outformat = str2fmt(*args);
				}
			else
				badarg = 1;
			}
		else if (!strcmp (*args, "-out"))
			{
			if (args[1])
				{
				args++;
				outfile = *args;
				}
			else
				badarg = 1;
			}
		else if (!strcmp (*args, "-content"))
			{
			if (args[1])
				{
				args++;
				contfile = *args;
				}
			else
				badarg = 1;
			}
		else if (args_verify(&args, NULL, &badarg, bio_err, &vpm))
			continue;
		else
			badarg = 1;
		args++;
		}


	if (operation == SMIME_SIGN)
		{
		if (!signerfile)
			{
			BIO_printf(bio_err, "No signer certificate specified\n");
			badarg = 1;
			}
		need_rand = 1;
		}
	else if (operation == SMIME_DECRYPT)
		{
		if (!recipfile && !keyfile)
			{
			BIO_printf(bio_err, "No recipient certificate or key specified\n");
			badarg = 1;
			}
		}
	else if (operation == SMIME_ENCRYPT)
		{
		if (!*args)
			{
			BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
			badarg = 1;
			}
		need_rand = 1;
		}
	else if (!operation)
		badarg = 1;

	if (badarg)
		{
		BIO_printf (bio_err, "Usage smime [options] cert.pem ...\n");
		BIO_printf (bio_err, "where options are\n");
		BIO_printf (bio_err, "-encrypt       encrypt message\n");
		BIO_printf (bio_err, "-decrypt       decrypt encrypted message\n");
		BIO_printf (bio_err, "-sign          sign message\n");
		BIO_printf (bio_err, "-verify        verify signed message\n");
		BIO_printf (bio_err, "-pk7out        output PKCS#7 structure\n");
#ifndef OPENSSL_NO_DES
		BIO_printf (bio_err, "-des3          encrypt with triple DES\n");
		BIO_printf (bio_err, "-des           encrypt with DES\n");
#endif
#ifndef OPENSSL_NO_SEED
		BIO_printf (bio_err, "-seed          encrypt with SEED\n");
#endif
#ifndef OPENSSL_NO_RC2
		BIO_printf (bio_err, "-rc2-40        encrypt with RC2-40 (default)\n");
		BIO_printf (bio_err, "-rc2-64        encrypt with RC2-64\n");
		BIO_printf (bio_err, "-rc2-128       encrypt with RC2-128\n");
#endif
#ifndef OPENSSL_NO_AES
		BIO_printf (bio_err, "-aes128, -aes192, -aes256\n");
		BIO_printf (bio_err, "               encrypt PEM output with cbc aes\n");
#endif
#ifndef OPENSSL_NO_CAMELLIA
		BIO_printf (bio_err, "-camellia128, -camellia192, -camellia256\n");
		BIO_printf (bio_err, "               encrypt PEM output with cbc camellia\n");
#endif
		BIO_printf (bio_err, "-nointern      don't search certificates in message for signer\n");
		BIO_printf (bio_err, "-nosigs        don't verify message signature\n");
		BIO_printf (bio_err, "-noverify      don't verify signers certificate\n");
		BIO_printf (bio_err, "-nocerts       don't include signers certificate when signing\n");
		BIO_printf (bio_err, "-nodetach      use opaque signing\n");
		BIO_printf (bio_err, "-noattr        don't include any signed attributes\n");
		BIO_printf (bio_err, "-binary        don't translate message to text\n");
		BIO_printf (bio_err, "-certfile file other certificates file\n");
		BIO_printf (bio_err, "-signer file   signer certificate file\n");
		BIO_printf (bio_err, "-recip  file   recipient certificate file for decryption\n");
		BIO_printf (bio_err, "-in file       input file\n");
		BIO_printf (bio_err, "-inform arg    input format SMIME (default), PEM or DER\n");
		BIO_printf (bio_err, "-inkey file    input private key (if not signer or recipient)\n");
		BIO_printf (bio_err, "-keyform arg   input private key format (PEM or ENGINE)\n");
		BIO_printf (bio_err, "-out file      output file\n");
		BIO_printf (bio_err, "-outform arg   output format SMIME (default), PEM or DER\n");
		BIO_printf (bio_err, "-content file  supply or override content for detached signature\n");
		BIO_printf (bio_err, "-to addr       to address\n");
		BIO_printf (bio_err, "-from ad       from address\n");
		BIO_printf (bio_err, "-subject s     subject\n");
		BIO_printf (bio_err, "-text          include or delete text MIME headers\n");
		BIO_printf (bio_err, "-CApath dir    trusted certificates directory\n");
		BIO_printf (bio_err, "-CAfile file   trusted certificates file\n");
		BIO_printf (bio_err, "-crl_check     check revocation status of signer's certificate using CRLs\n");
		BIO_printf (bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n");
#ifndef OPENSSL_NO_ENGINE
		BIO_printf (bio_err, "-engine e      use engine e, possibly a hardware device.\n");
#endif
		BIO_printf (bio_err, "-passin arg    input file pass phrase source\n");
		BIO_printf(bio_err,  "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
		BIO_printf(bio_err,  "               load the file (or the files in the directory) into\n");
		BIO_printf(bio_err,  "               the random number generator\n");
		BIO_printf (bio_err, "cert.pem       recipient certificate(s) for encryption\n");
		goto end;
		}

#ifndef OPENSSL_NO_ENGINE
        e = setup_engine(bio_err, engine, 0);
#endif

	if (!app_passwd(bio_err, passargin, NULL, &passin, NULL))
		{
		BIO_printf(bio_err, "Error getting password\n");
		goto end;
		}

	if (need_rand)
		{
		app_RAND_load_file(NULL, bio_err, (inrand != NULL));
		if (inrand != NULL)
			BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
				app_RAND_load_files(inrand));
		}

	ret = 2;

	if (operation != SMIME_SIGN)
		flags &= ~PKCS7_DETACHED;

	if (operation & SMIME_OP)
		{
		if (flags & PKCS7_BINARY)
			inmode = "rb";
		if (outformat == FORMAT_ASN1)
			outmode = "wb";
		}
	else
		{
		if (flags & PKCS7_BINARY)
			outmode = "wb";
		if (informat == FORMAT_ASN1)
			inmode = "rb";
		}

	if (operation == SMIME_ENCRYPT)
		{
		if (!cipher)
			{
#ifndef OPENSSL_NO_RC2			
			cipher = EVP_rc2_40_cbc();
#else
			BIO_printf(bio_err, "No cipher selected\n");
			goto end;
#endif
			}
		encerts = sk_X509_new_null();
		while (*args)
			{
			if (!(cert = load_cert(bio_err,*args,FORMAT_PEM,
				NULL, e, "recipient certificate file")))
				{
#if 0				/* An appropriate message is already printed */
				BIO_printf(bio_err, "Can't read recipient certificate file %s\n", *args);
#endif
				goto end;
				}
			sk_X509_push(encerts, cert);
			cert = NULL;
			args++;
			}
		}

	if (signerfile && (operation == SMIME_SIGN))
		{
		if (!(signer = load_cert(bio_err,signerfile,FORMAT_PEM, NULL,
			e, "signer certificate")))
			{
#if 0			/* An appropri message has already been printed */
			BIO_printf(bio_err, "Can't read signer certificate file %s\n", signerfile);
#endif
			goto end;
			}
		}

	if (certfile)
		{
		if (!(other = load_certs(bio_err,certfile,FORMAT_PEM, NULL,
			e, "certificate file")))
			{
#if 0			/* An appropriate message has already been printed */
			BIO_printf(bio_err, "Can't read certificate file %s\n", certfile);
#endif
			ERR_print_errors(bio_err);
			goto end;
			}
		}

	if (recipfile && (operation == SMIME_DECRYPT))
		{
		if (!(recip = load_cert(bio_err,recipfile,FORMAT_PEM,NULL,
			e, "recipient certificate file")))
			{
#if 0			/* An appropriate message has alrady been printed */
			BIO_printf(bio_err, "Can't read recipient certificate file %s\n", recipfile);
#endif
			ERR_print_errors(bio_err);
			goto end;
			}
		}

	if (operation == SMIME_DECRYPT)
		{
		if (!keyfile)
			keyfile = recipfile;
		}
	else if (operation == SMIME_SIGN)
		{
		if (!keyfile)
			keyfile = signerfile;
		}
	else keyfile = NULL;

	if (keyfile)
		{
		key = load_key(bio_err, keyfile, keyform, 0, passin, e,
			       "signing key file");
		if (!key)
			goto end;
		}

	if (infile)
		{
		if (!(in = BIO_new_file(infile, inmode)))
			{
			BIO_printf (bio_err,
				 "Can't open input file %s\n", infile);
			goto end;
			}
		}
	else
		in = BIO_new_fp(stdin, BIO_NOCLOSE);

	if (outfile)
		{
		if (!(out = BIO_new_file(outfile, outmode)))
			{
			BIO_printf (bio_err,
				 "Can't open output file %s\n", outfile);
			goto end;
			}
		}
	else
		{
		out = BIO_new_fp(stdout, BIO_NOCLOSE);
#ifdef OPENSSL_SYS_VMS
		{
		    BIO *tmpbio = BIO_new(BIO_f_linebuffer());
		    out = BIO_push(tmpbio, out);
		}
#endif
		}

	if (operation == SMIME_VERIFY)
		{
		if (!(store = setup_verify(bio_err, CAfile, CApath)))
			goto end;
		X509_STORE_set_verify_cb_func(store, smime_cb);
		if (vpm)
			X509_STORE_set1_param(store, vpm);
		}


	ret = 3;

	if (operation == SMIME_ENCRYPT)
		p7 = PKCS7_encrypt(encerts, in, cipher, flags);
	else if (operation == SMIME_SIGN)
		{
		/* If detached data and SMIME output enable partial
		 * signing.
		 */
		if ((flags & PKCS7_DETACHED) && (outformat == FORMAT_SMIME))
			flags |= PKCS7_STREAM;
		p7 = PKCS7_sign(signer, key, other, in, flags);
		}
	else
		{
		if (informat == FORMAT_SMIME) 
			p7 = SMIME_read_PKCS7(in, &indata);
		else if (informat == FORMAT_PEM) 
			p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
		else if (informat == FORMAT_ASN1) 
			p7 = d2i_PKCS7_bio(in, NULL);
		else
			{
			BIO_printf(bio_err, "Bad input format for PKCS#7 file\n");
			goto end;
			}

		if (!p7)
			{
			BIO_printf(bio_err, "Error reading S/MIME message\n");
			goto end;
			}
		if (contfile)
			{
			BIO_free(indata);
			if (!(indata = BIO_new_file(contfile, "rb")))
				{
				BIO_printf(bio_err, "Can't read content file %s\n", contfile);
				goto end;
				}
			}
		}

	if (!p7)
		{
		BIO_printf(bio_err, "Error creating PKCS#7 structure\n");
		goto end;
		}

	ret = 4;
	if (operation == SMIME_DECRYPT)
		{
		if (!PKCS7_decrypt(p7, key, recip, out, flags))
			{
			BIO_printf(bio_err, "Error decrypting PKCS#7 structure\n");
			goto end;
			}
		}
	else if (operation == SMIME_VERIFY)
		{
		STACK_OF(X509) *signers;
		if (PKCS7_verify(p7, other, store, indata, out, flags))
			BIO_printf(bio_err, "Verification successful\n");
		else
			{
			BIO_printf(bio_err, "Verification failure\n");
			goto end;
			}
		signers = PKCS7_get0_signers(p7, other, flags);
		if (!save_certs(signerfile, signers))
			{
			BIO_printf(bio_err, "Error writing signers to %s\n",
								signerfile);
			ret = 5;
			goto end;
			}
		sk_X509_free(signers);
		}
	else if (operation == SMIME_PK7OUT)
		PEM_write_bio_PKCS7(out, p7);
	else
		{
		if (to)
			BIO_printf(out, "To: %s\n", to);
		if (from)
			BIO_printf(out, "From: %s\n", from);
		if (subject)
			BIO_printf(out, "Subject: %s\n", subject);
		if (outformat == FORMAT_SMIME) 
			SMIME_write_PKCS7(out, p7, in, flags);
		else if (outformat == FORMAT_PEM) 
			PEM_write_bio_PKCS7(out,p7);
		else if (outformat == FORMAT_ASN1) 
			i2d_PKCS7_bio(out,p7);
		else
			{
			BIO_printf(bio_err, "Bad output format for PKCS#7 file\n");
			goto end;
			}
		}
	ret = 0;
end:
	if (need_rand)
		app_RAND_write_file(NULL, bio_err);
	if (ret) ERR_print_errors(bio_err);
	sk_X509_pop_free(encerts, X509_free);
	sk_X509_pop_free(other, X509_free);
	if (vpm)
		X509_VERIFY_PARAM_free(vpm);
	X509_STORE_free(store);
	X509_free(cert);
	X509_free(recip);
	X509_free(signer);
	EVP_PKEY_free(key);
	PKCS7_free(p7);
	BIO_free(in);
	BIO_free(indata);
	BIO_free_all(out);
	if (passin) OPENSSL_free(passin);
	return (ret);
}
Пример #7
0
int
easy_pkcs7_sign(const char *content, size_t len,
    char **signature, size_t *signature_len,
    const char *key_file, const char *cert_file)
{
	FILE *f;
	X509 *certificate;
	STACK_OF(X509) *c, *cert_chain;
	EVP_PKEY *private_key;
	char *tmp_sig;
	BIO *out, *in;
	PKCS7 *p7;
	int status;

	OpenSSL_add_all_algorithms();
	ERR_load_crypto_strings();

	status = -1;
	private_key = NULL;
	cert_chain = NULL;
	in = NULL;

	c = file_to_certs(cert_file);

	if (sk_X509_num(c) != 1) {
		warnx("More then one certificate in the certificate file");
		goto cleanup;
	}
	certificate = sk_X509_value(c, 0);

	/* Compute ex_kusage */
	X509_check_purpose(certificate, -1, 0);

	if (check_ca(certificate)) {
		warnx("CA keys are not valid for signatures");
		goto cleanup;
	}

	if (certificate->ex_xkusage != pkg_key_usage) {
		warnx("Certificate must have CODE SIGNING "
		    "and EMAIL PROTECTION property");
		goto cleanup;
	}

	if (cert_chain_file)
		cert_chain = file_to_certs(cert_chain_file);

	if ((f = fopen(key_file, "r")) == NULL) {
		warn("Failed to open private key file %s", key_file);
		goto cleanup;
	}
	private_key = PEM_read_PrivateKey(f, NULL, ssl_pass_cb, NULL);
	fclose(f);
	if (private_key == NULL) {
		warnx("Can't read private key: %s", key_file);
		goto cleanup;
	}

	if (X509_check_private_key(certificate, private_key) != 1) {
		warnx("The private key %s doesn't match the certificate %s",
		    key_file, cert_file);
		goto cleanup;
	}

	in = BIO_new_mem_buf(__UNCONST(content), len);

	p7 = PKCS7_sign(certificate, private_key, cert_chain, in, 
	    PKCS7_DETACHED|PKCS7_NOATTR|PKCS7_BINARY);
	if (p7 == NULL) {
		warnx("Failed to create signature structure");
		goto cleanup;
	}

	out = BIO_new(BIO_s_mem());
	PEM_write_bio_PKCS7(out, p7);
	*signature_len = BIO_get_mem_data(out, &tmp_sig);
	*signature = xmalloc(*signature_len);
	memcpy(*signature, tmp_sig, *signature_len);
	BIO_free_all(out);

	PKCS7_free(p7);

	status = 0;

cleanup:
	sk_X509_free(c);
	sk_X509_free(cert_chain);
	EVP_PKEY_free(private_key);
	BIO_free(in);

	return status;
}
Пример #8
0
int main(int argc, char **argv)
{
    BIO *in = NULL, *out = NULL, *tbio = NULL;
    X509 *scert = NULL;
    EVP_PKEY *skey = NULL;
    PKCS7 *p7 = NULL;
    int ret = 1;

    /*
     * For simple S/MIME signing use PKCS7_DETACHED. On OpenSSL 0.9.9 only:
     * for streaming detached set PKCS7_DETACHED|PKCS7_STREAM for streaming
     * non-detached set PKCS7_STREAM
     */
    int flags = PKCS7_DETACHED | PKCS7_STREAM;

    OpenSSL_add_all_algorithms();
    ERR_load_crypto_strings();

    /* Read in signer certificate and private key */
    tbio = BIO_new_file("signer.pem", "r");

    if (!tbio)
        goto err;

    scert = PEM_read_bio_X509(tbio, NULL, 0, NULL);

    BIO_reset(tbio);

    skey = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);

    if (!scert || !skey)
        goto err;

    /* Open content being signed */

    in = BIO_new_file("sign.txt", "r");

    if (!in)
        goto err;

    /* Sign content */
    p7 = PKCS7_sign(scert, skey, NULL, in, flags);

    if (!p7)
        goto err;

    out = BIO_new_file("smout.txt", "w");
    if (!out)
        goto err;

    if (!(flags & PKCS7_STREAM))
        BIO_reset(in);

    /* Write out S/MIME message */
    if (!SMIME_write_PKCS7(out, p7, in, flags))
        goto err;

    ret = 0;

err:

    if (ret) {
        fprintf(stderr, "Error Signing Data\n");
        ERR_print_errors_fp(stderr);
    }

    if (p7)
        PKCS7_free(p7);
    if (scert)
        X509_free(scert);
    if (skey)
        EVP_PKEY_free(skey);

    BIO_free(in);
    BIO_free(out);
    BIO_free(tbio);

    return ret;

}
Пример #9
0
static void
sign(X509 *cert, EVP_PKEY *key, int pipefd)
{
	PKCS7 *pkcs7;
	BIO *bio, *out;
	const EVP_MD *md;
	PKCS7_SIGNER_INFO *info;
	void *digest, *signature;
	size_t digest_len, signature_len;
	int ok;

	assert(cert != NULL);
	assert(key != NULL);

	receive_chunk(&digest, &digest_len, pipefd);

	bio = BIO_new_mem_buf(digest, digest_len);
	if (bio == NULL) {
		ERR_print_errors_fp(stderr);
		errx(1, "BIO_new_mem_buf(3) failed");
	}

	pkcs7 = PKCS7_sign(NULL, NULL, NULL, bio, PKCS7_BINARY | PKCS7_PARTIAL);
	if (pkcs7 == NULL) {
		ERR_print_errors_fp(stderr);
		errx(1, "PKCS7_sign(3) failed");
	}

	md = EVP_get_digestbyname(DIGEST);
	if (md == NULL) {
		ERR_print_errors_fp(stderr);
		errx(1, "EVP_get_digestbyname(\"%s\") failed", DIGEST);
	}

	info = PKCS7_sign_add_signer(pkcs7, cert, key, md, 0);
	if (info == NULL) {
		ERR_print_errors_fp(stderr);
		errx(1, "PKCS7_sign_add_signer(3) failed");
	}

	/*
	 * XXX: All the signed binaries seem to have this, but where is it
	 *      described in the spec?
	 */
	PKCS7_add_signed_attribute(info, NID_pkcs9_contentType,
	    V_ASN1_OBJECT, OBJ_txt2obj("1.3.6.1.4.1.311.2.1.4", 1));

	magic(pkcs7, digest, digest_len);

#if 0
	out = BIO_new(BIO_s_file());
	BIO_set_fp(out, stdout, BIO_NOCLOSE);
	PKCS7_print_ctx(out, pkcs7, 0, NULL);

	i2d_PKCS7_bio(out, pkcs7);
#endif

	out = BIO_new(BIO_s_mem());
	if (out == NULL) {
		ERR_print_errors_fp(stderr);
		errx(1, "BIO_new(3) failed");
	}

	ok = i2d_PKCS7_bio(out, pkcs7);
	if (ok == 0) {
		ERR_print_errors_fp(stderr);
		errx(1, "i2d_PKCS7_bio(3) failed");
	}

	signature_len = BIO_get_mem_data(out, &signature);
	if (signature_len <= 0) {
		ERR_print_errors_fp(stderr);
		errx(1, "BIO_get_mem_data(3) failed");
	}

	(void)BIO_set_close(out, BIO_NOCLOSE);
	BIO_free(out);

	send_chunk(signature, signature_len, pipefd);
}
Пример #10
0
int
smime_main(int argc, char **argv)
{
	ENGINE *e = NULL;
	int operation = 0;
	int ret = 0;
	char **args;
	const char *inmode = "r", *outmode = "w";
	char *infile = NULL, *outfile = NULL;
	char *signerfile = NULL, *recipfile = NULL;
	STACK_OF(OPENSSL_STRING) * sksigners = NULL, *skkeys = NULL;
	char *certfile = NULL, *keyfile = NULL, *contfile = NULL;
	const EVP_CIPHER *cipher = NULL;
	PKCS7 *p7 = NULL;
	X509_STORE *store = NULL;
	X509 *cert = NULL, *recip = NULL, *signer = NULL;
	EVP_PKEY *key = NULL;
	STACK_OF(X509) * encerts = NULL, *other = NULL;
	BIO *in = NULL, *out = NULL, *indata = NULL;
	int badarg = 0;
	int flags = PKCS7_DETACHED;
	char *to = NULL, *from = NULL, *subject = NULL;
	char *CAfile = NULL, *CApath = NULL;
	char *passargin = NULL, *passin = NULL;
	int indef = 0;
	const EVP_MD *sign_md = NULL;
	int informat = FORMAT_SMIME, outformat = FORMAT_SMIME;
	int keyform = FORMAT_PEM;
#ifndef OPENSSL_NO_ENGINE
	char *engine = NULL;
#endif

	X509_VERIFY_PARAM *vpm = NULL;

	args = argv + 1;
	ret = 1;

	while (!badarg && *args && *args[0] == '-') {
		if (!strcmp(*args, "-encrypt"))
			operation = SMIME_ENCRYPT;
		else if (!strcmp(*args, "-decrypt"))
			operation = SMIME_DECRYPT;
		else if (!strcmp(*args, "-sign"))
			operation = SMIME_SIGN;
		else if (!strcmp(*args, "-resign"))
			operation = SMIME_RESIGN;
		else if (!strcmp(*args, "-verify"))
			operation = SMIME_VERIFY;
		else if (!strcmp(*args, "-pk7out"))
			operation = SMIME_PK7OUT;
#ifndef OPENSSL_NO_DES
		else if (!strcmp(*args, "-des3"))
			cipher = EVP_des_ede3_cbc();
		else if (!strcmp(*args, "-des"))
			cipher = EVP_des_cbc();
#endif
#ifndef OPENSSL_NO_RC2
		else if (!strcmp(*args, "-rc2-40"))
			cipher = EVP_rc2_40_cbc();
		else if (!strcmp(*args, "-rc2-128"))
			cipher = EVP_rc2_cbc();
		else if (!strcmp(*args, "-rc2-64"))
			cipher = EVP_rc2_64_cbc();
#endif
#ifndef OPENSSL_NO_AES
		else if (!strcmp(*args, "-aes128"))
			cipher = EVP_aes_128_cbc();
		else if (!strcmp(*args, "-aes192"))
			cipher = EVP_aes_192_cbc();
		else if (!strcmp(*args, "-aes256"))
			cipher = EVP_aes_256_cbc();
#endif
#ifndef OPENSSL_NO_CAMELLIA
		else if (!strcmp(*args, "-camellia128"))
			cipher = EVP_camellia_128_cbc();
		else if (!strcmp(*args, "-camellia192"))
			cipher = EVP_camellia_192_cbc();
		else if (!strcmp(*args, "-camellia256"))
			cipher = EVP_camellia_256_cbc();
#endif
		else if (!strcmp(*args, "-text"))
			flags |= PKCS7_TEXT;
		else if (!strcmp(*args, "-nointern"))
			flags |= PKCS7_NOINTERN;
		else if (!strcmp(*args, "-noverify"))
			flags |= PKCS7_NOVERIFY;
		else if (!strcmp(*args, "-nochain"))
			flags |= PKCS7_NOCHAIN;
		else if (!strcmp(*args, "-nocerts"))
			flags |= PKCS7_NOCERTS;
		else if (!strcmp(*args, "-noattr"))
			flags |= PKCS7_NOATTR;
		else if (!strcmp(*args, "-nodetach"))
			flags &= ~PKCS7_DETACHED;
		else if (!strcmp(*args, "-nosmimecap"))
			flags |= PKCS7_NOSMIMECAP;
		else if (!strcmp(*args, "-binary"))
			flags |= PKCS7_BINARY;
		else if (!strcmp(*args, "-nosigs"))
			flags |= PKCS7_NOSIGS;
		else if (!strcmp(*args, "-stream"))
			indef = 1;
		else if (!strcmp(*args, "-indef"))
			indef = 1;
		else if (!strcmp(*args, "-noindef"))
			indef = 0;
		else if (!strcmp(*args, "-nooldmime"))
			flags |= PKCS7_NOOLDMIMETYPE;
		else if (!strcmp(*args, "-crlfeol"))
			flags |= PKCS7_CRLFEOL;
#ifndef OPENSSL_NO_ENGINE
		else if (!strcmp(*args, "-engine")) {
			if (!args[1])
				goto argerr;
			engine = *++args;
		}
#endif
		else if (!strcmp(*args, "-passin")) {
			if (!args[1])
				goto argerr;
			passargin = *++args;
		} else if (!strcmp(*args, "-to")) {
			if (!args[1])
				goto argerr;
			to = *++args;
		} else if (!strcmp(*args, "-from")) {
			if (!args[1])
				goto argerr;
			from = *++args;
		} else if (!strcmp(*args, "-subject")) {
			if (!args[1])
				goto argerr;
			subject = *++args;
		} else if (!strcmp(*args, "-signer")) {
			if (!args[1])
				goto argerr;
			/* If previous -signer argument add signer to list */

			if (signerfile) {
				if (!sksigners)
					sksigners = sk_OPENSSL_STRING_new_null();
				sk_OPENSSL_STRING_push(sksigners, signerfile);
				if (!keyfile)
					keyfile = signerfile;
				if (!skkeys)
					skkeys = sk_OPENSSL_STRING_new_null();
				sk_OPENSSL_STRING_push(skkeys, keyfile);
				keyfile = NULL;
			}
			signerfile = *++args;
		} else if (!strcmp(*args, "-recip")) {
			if (!args[1])
				goto argerr;
			recipfile = *++args;
		} else if (!strcmp(*args, "-md")) {
			if (!args[1])
				goto argerr;
			sign_md = EVP_get_digestbyname(*++args);
			if (sign_md == NULL) {
				BIO_printf(bio_err, "Unknown digest %s\n",
				    *args);
				goto argerr;
			}
		} else if (!strcmp(*args, "-inkey")) {
			if (!args[1])
				goto argerr;
			/* If previous -inkey arument add signer to list */
			if (keyfile) {
				if (!signerfile) {
					BIO_puts(bio_err, "Illegal -inkey without -signer\n");
					goto argerr;
				}
				if (!sksigners)
					sksigners = sk_OPENSSL_STRING_new_null();
				sk_OPENSSL_STRING_push(sksigners, signerfile);
				signerfile = NULL;
				if (!skkeys)
					skkeys = sk_OPENSSL_STRING_new_null();
				sk_OPENSSL_STRING_push(skkeys, keyfile);
			}
			keyfile = *++args;
		} else if (!strcmp(*args, "-keyform")) {
			if (!args[1])
				goto argerr;
			keyform = str2fmt(*++args);
		} else if (!strcmp(*args, "-certfile")) {
			if (!args[1])
				goto argerr;
			certfile = *++args;
		} else if (!strcmp(*args, "-CAfile")) {
			if (!args[1])
				goto argerr;
			CAfile = *++args;
		} else if (!strcmp(*args, "-CApath")) {
			if (!args[1])
				goto argerr;
			CApath = *++args;
		} else if (!strcmp(*args, "-in")) {
			if (!args[1])
				goto argerr;
			infile = *++args;
		} else if (!strcmp(*args, "-inform")) {
			if (!args[1])
				goto argerr;
			informat = str2fmt(*++args);
		} else if (!strcmp(*args, "-outform")) {
			if (!args[1])
				goto argerr;
			outformat = str2fmt(*++args);
		} else if (!strcmp(*args, "-out")) {
			if (!args[1])
				goto argerr;
			outfile = *++args;
		} else if (!strcmp(*args, "-content")) {
			if (!args[1])
				goto argerr;
			contfile = *++args;
		} else if (args_verify(&args, NULL, &badarg, bio_err, &vpm))
			continue;
		else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL)
			badarg = 1;
		args++;
	}

	if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners)) {
		BIO_puts(bio_err, "Multiple signers or keys not allowed\n");
		goto argerr;
	}
	if (operation & SMIME_SIGNERS) {
		/* Check to see if any final signer needs to be appended */
		if (keyfile && !signerfile) {
			BIO_puts(bio_err, "Illegal -inkey without -signer\n");
			goto argerr;
		}
		if (signerfile) {
			if (!sksigners)
				sksigners = sk_OPENSSL_STRING_new_null();
			sk_OPENSSL_STRING_push(sksigners, signerfile);
			if (!skkeys)
				skkeys = sk_OPENSSL_STRING_new_null();
			if (!keyfile)
				keyfile = signerfile;
			sk_OPENSSL_STRING_push(skkeys, keyfile);
		}
		if (!sksigners) {
			BIO_printf(bio_err, "No signer certificate specified\n");
			badarg = 1;
		}
		signerfile = NULL;
		keyfile = NULL;
	} else if (operation == SMIME_DECRYPT) {
		if (!recipfile && !keyfile) {
			BIO_printf(bio_err, "No recipient certificate or key specified\n");
			badarg = 1;
		}
	} else if (operation == SMIME_ENCRYPT) {
		if (!*args) {
			BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n");
			badarg = 1;
		}
	} else if (!operation)
		badarg = 1;

	if (badarg) {
argerr:
		BIO_printf(bio_err, "Usage smime [options] cert.pem ...\n");
		BIO_printf(bio_err, "where options are\n");
		BIO_printf(bio_err, "-encrypt       encrypt message\n");
		BIO_printf(bio_err, "-decrypt       decrypt encrypted message\n");
		BIO_printf(bio_err, "-sign          sign message\n");
		BIO_printf(bio_err, "-verify        verify signed message\n");
		BIO_printf(bio_err, "-pk7out        output PKCS#7 structure\n");
#ifndef OPENSSL_NO_DES
		BIO_printf(bio_err, "-des3          encrypt with triple DES\n");
		BIO_printf(bio_err, "-des           encrypt with DES\n");
#endif
#ifndef OPENSSL_NO_RC2
		BIO_printf(bio_err, "-rc2-40        encrypt with RC2-40 (default)\n");
		BIO_printf(bio_err, "-rc2-64        encrypt with RC2-64\n");
		BIO_printf(bio_err, "-rc2-128       encrypt with RC2-128\n");
#endif
#ifndef OPENSSL_NO_AES
		BIO_printf(bio_err, "-aes128, -aes192, -aes256\n");
		BIO_printf(bio_err, "               encrypt PEM output with cbc aes\n");
#endif
#ifndef OPENSSL_NO_CAMELLIA
		BIO_printf(bio_err, "-camellia128, -camellia192, -camellia256\n");
		BIO_printf(bio_err, "               encrypt PEM output with cbc camellia\n");
#endif
		BIO_printf(bio_err, "-nointern      don't search certificates in message for signer\n");
		BIO_printf(bio_err, "-nosigs        don't verify message signature\n");
		BIO_printf(bio_err, "-noverify      don't verify signers certificate\n");
		BIO_printf(bio_err, "-nocerts       don't include signers certificate when signing\n");
		BIO_printf(bio_err, "-nodetach      use opaque signing\n");
		BIO_printf(bio_err, "-noattr        don't include any signed attributes\n");
		BIO_printf(bio_err, "-binary        don't translate message to text\n");
		BIO_printf(bio_err, "-certfile file other certificates file\n");
		BIO_printf(bio_err, "-signer file   signer certificate file\n");
		BIO_printf(bio_err, "-recip  file   recipient certificate file for decryption\n");
		BIO_printf(bio_err, "-in file       input file\n");
		BIO_printf(bio_err, "-inform arg    input format SMIME (default), PEM or DER\n");
		BIO_printf(bio_err, "-inkey file    input private key (if not signer or recipient)\n");
		BIO_printf(bio_err, "-keyform arg   input private key format (PEM or ENGINE)\n");
		BIO_printf(bio_err, "-out file      output file\n");
		BIO_printf(bio_err, "-outform arg   output format SMIME (default), PEM or DER\n");
		BIO_printf(bio_err, "-content file  supply or override content for detached signature\n");
		BIO_printf(bio_err, "-to addr       to address\n");
		BIO_printf(bio_err, "-from ad       from address\n");
		BIO_printf(bio_err, "-subject s     subject\n");
		BIO_printf(bio_err, "-text          include or delete text MIME headers\n");
		BIO_printf(bio_err, "-CApath dir    trusted certificates directory\n");
		BIO_printf(bio_err, "-CAfile file   trusted certificates file\n");
		BIO_printf(bio_err, "-crl_check     check revocation status of signer's certificate using CRLs\n");
		BIO_printf(bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n");
#ifndef OPENSSL_NO_ENGINE
		BIO_printf(bio_err, "-engine e      use engine e, possibly a hardware device.\n");
#endif
		BIO_printf(bio_err, "-passin arg    input file pass phrase source\n");
		BIO_printf(bio_err, "cert.pem       recipient certificate(s) for encryption\n");
		goto end;
	}
#ifndef OPENSSL_NO_ENGINE
	e = setup_engine(bio_err, engine, 0);
#endif

	if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
		BIO_printf(bio_err, "Error getting password\n");
		goto end;
	}
	ret = 2;

	if (!(operation & SMIME_SIGNERS))
		flags &= ~PKCS7_DETACHED;

	if (operation & SMIME_OP) {
		if (outformat == FORMAT_ASN1)
			outmode = "wb";
	} else {
		if (flags & PKCS7_BINARY)
			outmode = "wb";
	}

	if (operation & SMIME_IP) {
		if (informat == FORMAT_ASN1)
			inmode = "rb";
	} else {
		if (flags & PKCS7_BINARY)
			inmode = "rb";
	}

	if (operation == SMIME_ENCRYPT) {
		if (!cipher) {
#ifndef OPENSSL_NO_RC2
			cipher = EVP_rc2_40_cbc();
#else
			BIO_printf(bio_err, "No cipher selected\n");
			goto end;
#endif
		}
		encerts = sk_X509_new_null();
		while (*args) {
			if (!(cert = load_cert(bio_err, *args, FORMAT_PEM,
			    NULL, e, "recipient certificate file"))) {
				goto end;
			}
			sk_X509_push(encerts, cert);
			cert = NULL;
			args++;
		}
	}
	if (certfile) {
		if (!(other = load_certs(bio_err, certfile, FORMAT_PEM, NULL,
			    e, "certificate file"))) {
			ERR_print_errors(bio_err);
			goto end;
		}
	}
	if (recipfile && (operation == SMIME_DECRYPT)) {
		if (!(recip = load_cert(bio_err, recipfile, FORMAT_PEM, NULL,
			    e, "recipient certificate file"))) {
			ERR_print_errors(bio_err);
			goto end;
		}
	}
	if (operation == SMIME_DECRYPT) {
		if (!keyfile)
			keyfile = recipfile;
	} else if (operation == SMIME_SIGN) {
		if (!keyfile)
			keyfile = signerfile;
	} else
		keyfile = NULL;

	if (keyfile) {
		key = load_key(bio_err, keyfile, keyform, 0, passin, e,
		    "signing key file");
		if (!key)
			goto end;
	}
	if (infile) {
		if (!(in = BIO_new_file(infile, inmode))) {
			BIO_printf(bio_err,
			    "Can't open input file %s\n", infile);
			goto end;
		}
	} else
		in = BIO_new_fp(stdin, BIO_NOCLOSE);

	if (operation & SMIME_IP) {
		if (informat == FORMAT_SMIME)
			p7 = SMIME_read_PKCS7(in, &indata);
		else if (informat == FORMAT_PEM)
			p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL);
		else if (informat == FORMAT_ASN1)
			p7 = d2i_PKCS7_bio(in, NULL);
		else {
			BIO_printf(bio_err, "Bad input format for PKCS#7 file\n");
			goto end;
		}

		if (!p7) {
			BIO_printf(bio_err, "Error reading S/MIME message\n");
			goto end;
		}
		if (contfile) {
			BIO_free(indata);
			if (!(indata = BIO_new_file(contfile, "rb"))) {
				BIO_printf(bio_err, "Can't read content file %s\n", contfile);
				goto end;
			}
		}
	}
	if (outfile) {
		if (!(out = BIO_new_file(outfile, outmode))) {
			BIO_printf(bio_err,
			    "Can't open output file %s\n", outfile);
			goto end;
		}
	} else {
		out = BIO_new_fp(stdout, BIO_NOCLOSE);
	}

	if (operation == SMIME_VERIFY) {
		if (!(store = setup_verify(bio_err, CAfile, CApath)))
			goto end;
		X509_STORE_set_verify_cb(store, smime_cb);
		if (vpm)
			X509_STORE_set1_param(store, vpm);
	}
	ret = 3;

	if (operation == SMIME_ENCRYPT) {
		if (indef)
			flags |= PKCS7_STREAM;
		p7 = PKCS7_encrypt(encerts, in, cipher, flags);
	} else if (operation & SMIME_SIGNERS) {
		int i;
		/*
		 * If detached data content we only enable streaming if
		 * S/MIME output format.
		 */
		if (operation == SMIME_SIGN) {
			if (flags & PKCS7_DETACHED) {
				if (outformat == FORMAT_SMIME)
					flags |= PKCS7_STREAM;
			} else if (indef)
				flags |= PKCS7_STREAM;
			flags |= PKCS7_PARTIAL;
			p7 = PKCS7_sign(NULL, NULL, other, in, flags);
			if (!p7)
				goto end;
		} else
			flags |= PKCS7_REUSE_DIGEST;
		for (i = 0; i < sk_OPENSSL_STRING_num(sksigners); i++) {
			signerfile = sk_OPENSSL_STRING_value(sksigners, i);
			keyfile = sk_OPENSSL_STRING_value(skkeys, i);
			signer = load_cert(bio_err, signerfile, FORMAT_PEM, NULL,
			    e, "signer certificate");
			if (!signer)
				goto end;
			key = load_key(bio_err, keyfile, keyform, 0, passin, e,
			    "signing key file");
			if (!key)
				goto end;
			if (!PKCS7_sign_add_signer(p7, signer, key,
				sign_md, flags))
				goto end;
			X509_free(signer);
			signer = NULL;
			EVP_PKEY_free(key);
			key = NULL;
		}
		/* If not streaming or resigning finalize structure */
		if ((operation == SMIME_SIGN) && !(flags & PKCS7_STREAM)) {
			if (!PKCS7_final(p7, in, flags))
				goto end;
		}
	}
	if (!p7) {
		BIO_printf(bio_err, "Error creating PKCS#7 structure\n");
		goto end;
	}
	ret = 4;
	if (operation == SMIME_DECRYPT) {
		if (!PKCS7_decrypt(p7, key, recip, out, flags)) {
			BIO_printf(bio_err, "Error decrypting PKCS#7 structure\n");
			goto end;
		}
	} else if (operation == SMIME_VERIFY) {
		STACK_OF(X509) * signers;
		if (PKCS7_verify(p7, other, store, indata, out, flags))
			BIO_printf(bio_err, "Verification successful\n");
		else {
			BIO_printf(bio_err, "Verification failure\n");
			goto end;
		}
		signers = PKCS7_get0_signers(p7, other, flags);
		if (!save_certs(signerfile, signers)) {
			BIO_printf(bio_err, "Error writing signers to %s\n",
			    signerfile);
			ret = 5;
			goto end;
		}
		sk_X509_free(signers);
	} else if (operation == SMIME_PK7OUT)
		PEM_write_bio_PKCS7(out, p7);
	else {
		if (to)
			BIO_printf(out, "To: %s\n", to);
		if (from)
			BIO_printf(out, "From: %s\n", from);
		if (subject)
			BIO_printf(out, "Subject: %s\n", subject);
		if (outformat == FORMAT_SMIME) {
			if (operation == SMIME_RESIGN)
				SMIME_write_PKCS7(out, p7, indata, flags);
			else
				SMIME_write_PKCS7(out, p7, in, flags);
		} else if (outformat == FORMAT_PEM)
			PEM_write_bio_PKCS7_stream(out, p7, in, flags);
		else if (outformat == FORMAT_ASN1)
			i2d_PKCS7_bio_stream(out, p7, in, flags);
		else {
			BIO_printf(bio_err, "Bad output format for PKCS#7 file\n");
			goto end;
		}
	}
	ret = 0;
end:
	if (ret)
		ERR_print_errors(bio_err);
	sk_X509_pop_free(encerts, X509_free);
	sk_X509_pop_free(other, X509_free);
	if (vpm)
		X509_VERIFY_PARAM_free(vpm);
	if (sksigners)
		sk_OPENSSL_STRING_free(sksigners);
	if (skkeys)
		sk_OPENSSL_STRING_free(skkeys);
	X509_STORE_free(store);
	X509_free(cert);
	X509_free(recip);
	X509_free(signer);
	EVP_PKEY_free(key);
	PKCS7_free(p7);
	BIO_free(in);
	BIO_free(indata);
	BIO_free_all(out);
	free(passin);

	return (ret);
}
Пример #11
0
int
main(int argc, char **argv)
{
	BIO *bio_in, *bio_content, *bio_out, *bio_cert, *bio_pkey;
	STACK_OF(X509) *certs;
	const EVP_CIPHER *cipher;
	EVP_PKEY *pkey;
	X509_STORE *store;
	X509 *cert;
	PKCS7 *p7;
	size_t len;
	char *out;
	int flags;

	ERR_load_crypto_strings();
	OpenSSL_add_all_algorithms();

	/*
	 * A bunch of setup...
	 */
	cipher = EVP_aes_256_cbc();
	if (cipher == NULL)
		fatal("cipher");

	certs = sk_X509_new_null();
	if (certs == NULL)
		fatal("sk_X509_new_null");

	bio_cert = BIO_new_mem_buf((char *)certificate, sizeof(certificate));
	if (bio_cert == NULL)
		fatal("BIO_new_mem_buf certificate");

	cert = PEM_read_bio_X509_AUX(bio_cert, NULL, NULL, NULL);
	if (cert == NULL)
		fatal("PEM_read_bio_X509_AUX");
	sk_X509_push(certs, cert);

	store = X509_STORE_new();
	if (store == NULL)
		fatal("X509_STORE_new");
	X509_STORE_set_verify_cb(store, x509_store_callback);

	bio_pkey = BIO_new_mem_buf((char *)private_key, sizeof(private_key));
	if (bio_pkey == NULL)
		fatal("BIO_new_mem_buf private_key");

	pkey = PEM_read_bio_PrivateKey(bio_pkey, NULL, NULL, NULL);
	if (pkey == NULL)
		fatal("PEM_read_bio_PrivateKey");

	bio_content = BIO_new_mem_buf((char *)message, sizeof(message));
	if (bio_content == NULL)
		fatal("BIO_new_mem_buf message");

	/*
	 * Encrypt and then decrypt.
	 */
	if (BIO_reset(bio_content) != 1)
		fatal("BIO_reset");
	bio_out = BIO_new(BIO_s_mem());
	if (bio_out == NULL)
		fatal("BIO_new");

	p7 = PKCS7_encrypt(certs, bio_content, cipher, 0);
	if (p7 == NULL)
		fatal("PKCS7_encrypt");
	if (PEM_write_bio_PKCS7(bio_out, p7) != 1)
		fatal("PEM_write_bio_PKCS7");
	PKCS7_free(p7);

	bio_in = bio_out;
	bio_out = BIO_new(BIO_s_mem());
	if (bio_out == NULL)
		fatal("BIO_new");

	p7 = PEM_read_bio_PKCS7(bio_in, NULL, NULL, NULL);
	if (p7 == NULL)
		fatal("PEM_read_bio_PKCS7");
	if (PKCS7_decrypt(p7, pkey, cert, bio_out, 0) != 1)
		fatal("PKCS7_decrypt");

	len = BIO_get_mem_data(bio_out, &out);
	message_compare(out, len);

	BIO_free(bio_out);

	/*
	 * Sign and then verify.
	 */
	if (BIO_reset(bio_content) != 1)
		fatal("BIO_reset");
	bio_out = BIO_new(BIO_s_mem());
	if (bio_out == NULL)
		fatal("BIO_new");

	p7 = PKCS7_sign(cert, pkey, certs, bio_content, 0);
	if (p7 == NULL)
		fatal("PKCS7_sign");
	if (PEM_write_bio_PKCS7(bio_out, p7) != 1)
		fatal("PEM_write_bio_PKCS7");
	PKCS7_free(p7);

	bio_in = bio_out;
	bio_out = BIO_new(BIO_s_mem());
	if (bio_out == NULL)
		fatal("BIO_new");

	p7 = PEM_read_bio_PKCS7(bio_in, NULL, NULL, NULL);
	if (p7 == NULL)
		fatal("PEM_read_bio_PKCS7");
	if (PKCS7_verify(p7, certs, store, NULL, bio_out, 0) != 1)
		fatal("PKCS7_verify");

	len = BIO_get_mem_data(bio_out, &out);
	message_compare(out, len);

	BIO_free(bio_in);
	BIO_free(bio_out);

	/*
	 * Sign and then verify with a detached signature.
	 */
	if (BIO_reset(bio_content) != 1)
		fatal("BIO_reset");
	bio_out = BIO_new(BIO_s_mem());
	if (bio_out == NULL)
		fatal("BIO_new");

	flags = PKCS7_DETACHED|PKCS7_PARTIAL;
	p7 = PKCS7_sign(NULL, NULL, NULL, bio_content, flags);
	if (p7 == NULL)
		fatal("PKCS7_sign");
	if (PKCS7_sign_add_signer(p7, cert, pkey, NULL, flags) == NULL)
		fatal("PKCS7_sign_add_signer");
	if (PKCS7_final(p7, bio_content, flags) != 1)
		fatal("PKCS7_final");
	if (PEM_write_bio_PKCS7(bio_out, p7) != 1)
		fatal("PEM_write_bio_PKCS7");
	PKCS7_free(p7);

	/* bio_out contains only the detached signature. */
	bio_in = bio_out;
	if (BIO_reset(bio_content) != 1)
		fatal("BIO_reset");

	bio_out = BIO_new(BIO_s_mem());
	if (bio_out == NULL)
		fatal("BIO_new");

	p7 = PEM_read_bio_PKCS7(bio_in, NULL, NULL, NULL);
	if (p7 == NULL)
		fatal("PEM_read_bio_PKCS7");
	if (PKCS7_verify(p7, certs, store, bio_content, bio_out, flags) != 1)
		fatal("PKCS7_verify");

	len = BIO_get_mem_data(bio_out, &out);
	message_compare(out, len);

	BIO_free(bio_in);
	BIO_free(bio_out);
	BIO_free(bio_content);

	return 0;
}
Пример #12
0
char * PKCS7_GetSign(char*certFile,char* pwd, char* plainText,int flag)  
{  
    //取PKCS12對象  
    FILE* fp;  
    if (!(fp = fopen(certFile, "rb")))   
    {   
        fprintf(stderr, "Error opening file %s\n", certFile);          
        return NULL;       
    }      
    PKCS12 *p12= d2i_PKCS12_fp(fp, NULL);    
    fclose (fp);      
    if (!p12) {        
        fprintf(stderr, "Error reading PKCS#12 file\n");     
        ERR_print_errors_fp(stderr);    
        return NULL;     
    }   
       
    //取pkey對象、X509證書、證書鏈  
    EVP_PKEY *pkey=NULL;       
    X509 *x509=NULL;  
    STACK_OF(X509) *ca = NULL;  
    if (!PKCS12_parse(p12, pwd, &pkey, &x509, &ca)) {           
        fprintf(stderr, "Error parsing PKCS#12 file\n");         
        ERR_print_errors_fp(stderr);  
        return NULL;  
    }   
    PKCS12_free(p12);  
  
    //明文轉為BIO對象  
    //《vc++网络安全编程范例(14)-openssl bio编程 》   http://www.2cto.com/kf/201112/115018.html  
    BIO *bio = BIO_new(BIO_s_mem());    
    BIO_puts(bio,plainText);  
  
    //數字簽名  
    //PKCS7_NOCHAIN:签名中不包含证书链,第三个参数为NULL值的话,可不加这个FLAG标记  
    //PKCS7_NOSMIMECAP:签名不需要支持SMIME  
    PKCS7* pkcs7 = PKCS7_sign(x509,pkey, ca,bio, flag);  
    if(pkcs7==NULL)  
    {  
        ERR_print_errors_fp(stderr);  
        return NULL;  
    }  
  
    //共有两种编码,一种是ASN1,另一种是DER编码。  
    //取數據簽名(DER格式)  
    //openssl学习笔记之pkcs7-data内容类型的编码解码  
    //http://ipedo.i.sohu.com/blog/view/114822358.htm  
    //入口:pkcs7对象  
    //出口:der对象  
    unsigned char *der;  
    unsigned char *derTmp;  
    unsigned long derlen;  
    derlen = i2d_PKCS7(pkcs7,NULL);  
    der = (unsigned char *) malloc(derlen);  
    memset(der,0,derlen);  
    derTmp = der;  
    i2d_PKCS7(pkcs7,&derTmp);  
  
    //DER转BASE64  
    return base64(der,derlen);  
}  
Пример #13
0
int main(int argc, char **argv)
{
    BIO *in = NULL, *out = NULL, *tbio = NULL;
    X509 *scert = NULL, *scert2 = NULL;
    EVP_PKEY *skey = NULL, *skey2 = NULL;
    PKCS7 *p7 = NULL;
    int ret = 1;

    OpenSSL_add_all_algorithms();
    ERR_load_crypto_strings();

    tbio = BIO_new_file("signer.pem", "r");

    if (!tbio)
        goto err;

    scert = PEM_read_bio_X509(tbio, NULL, 0, NULL);

    BIO_reset(tbio);

    skey = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);

    BIO_free(tbio);

    tbio = BIO_new_file("signer2.pem", "r");

    if (!tbio)
        goto err;

    scert2 = PEM_read_bio_X509(tbio, NULL, 0, NULL);

    BIO_reset(tbio);

    skey2 = PEM_read_bio_PrivateKey(tbio, NULL, 0, NULL);

    if (!scert2 || !skey2)
        goto err;

    in = BIO_new_file("sign.txt", "r");

    if (!in)
        goto err;

    p7 = PKCS7_sign(NULL, NULL, NULL, in, PKCS7_STREAM | PKCS7_PARTIAL);

    if (!p7)
        goto err;

    /* Add each signer in turn */

    if (!PKCS7_sign_add_signer(p7, scert, skey, NULL, 0))
        goto err;

    if (!PKCS7_sign_add_signer(p7, scert2, skey2, NULL, 0))
        goto err;

    out = BIO_new_file("smout.txt", "w");
    if (!out)
        goto err;

    /* NB: content included and finalized by SMIME_write_PKCS7 */

    if (!SMIME_write_PKCS7(out, p7, in, PKCS7_STREAM))
        goto err;

    ret = 0;

 err:
    if (ret) {
        fprintf(stderr, "Error Signing Data\n");
        ERR_print_errors_fp(stderr);
    }
    PKCS7_free(p7);
    X509_free(scert);
    EVP_PKEY_free(skey);
    X509_free(scert2);
    EVP_PKEY_free(skey2);
    BIO_free(in);
    BIO_free(out);
    BIO_free(tbio);
    return ret;
}