Ejemplo n.º 1
0
void HMAC_CTX_set_flags(HMAC_CTX *ctx, unsigned long flags)
{
    EVP_MD_CTX_set_flags(&ctx->i_ctx, flags);
    EVP_MD_CTX_set_flags(&ctx->o_ctx, flags);
    EVP_MD_CTX_set_flags(&ctx->md_ctx, flags);
}
Ejemplo n.º 2
0
/* seed1 through seed5 are virtually concatenated */
static int tls1_P_hash(const EVP_MD *md, const unsigned char *sec,
			int sec_len,
			const void *seed1, int seed1_len,
			const void *seed2, int seed2_len,
			const void *seed3, int seed3_len,
			const void *seed4, int seed4_len,
			const void *seed5, int seed5_len,
			unsigned char *out, int olen)
	{
	int chunk;
	size_t j;
	EVP_MD_CTX ctx, ctx_tmp;
	EVP_PKEY *mac_key;
	unsigned char A1[EVP_MAX_MD_SIZE];
	size_t A1_len;
	int ret = 0;
	
	chunk=EVP_MD_size(md);
	OPENSSL_assert(chunk >= 0);

	EVP_MD_CTX_init(&ctx);
	EVP_MD_CTX_init(&ctx_tmp);
	EVP_MD_CTX_set_flags(&ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
	EVP_MD_CTX_set_flags(&ctx_tmp, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
	mac_key = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, NULL, sec, sec_len);
	if (!mac_key)
		goto err;
	if (!EVP_DigestSignInit(&ctx,NULL,md, NULL, mac_key))
		goto err;
	if (!EVP_DigestSignInit(&ctx_tmp,NULL,md, NULL, mac_key))
		goto err;
	if (seed1 && !EVP_DigestSignUpdate(&ctx,seed1,seed1_len))
		goto err;
	if (seed2 && !EVP_DigestSignUpdate(&ctx,seed2,seed2_len))
		goto err;
	if (seed3 && !EVP_DigestSignUpdate(&ctx,seed3,seed3_len))
		goto err;
	if (seed4 && !EVP_DigestSignUpdate(&ctx,seed4,seed4_len))
		goto err;
	if (seed5 && !EVP_DigestSignUpdate(&ctx,seed5,seed5_len))
		goto err;
	if (!EVP_DigestSignFinal(&ctx,A1,&A1_len))
		goto err;

	for (;;)
		{
		/* Reinit mac contexts */
		if (!EVP_DigestSignInit(&ctx,NULL,md, NULL, mac_key))
			goto err;
		if (!EVP_DigestSignInit(&ctx_tmp,NULL,md, NULL, mac_key))
			goto err;
		if (!EVP_DigestSignUpdate(&ctx,A1,A1_len))
			goto err;
		if (!EVP_DigestSignUpdate(&ctx_tmp,A1,A1_len))
			goto err;
		if (seed1 && !EVP_DigestSignUpdate(&ctx,seed1,seed1_len))
			goto err;
		if (seed2 && !EVP_DigestSignUpdate(&ctx,seed2,seed2_len))
			goto err;
		if (seed3 && !EVP_DigestSignUpdate(&ctx,seed3,seed3_len))
			goto err;
		if (seed4 && !EVP_DigestSignUpdate(&ctx,seed4,seed4_len))
			goto err;
		if (seed5 && !EVP_DigestSignUpdate(&ctx,seed5,seed5_len))
			goto err;

		if (olen > chunk)
			{
			if (!EVP_DigestSignFinal(&ctx,out,&j))
				goto err;
			out+=j;
			olen-=j;
			/* calc the next A1 value */
			if (!EVP_DigestSignFinal(&ctx_tmp,A1,&A1_len))
				goto err;
			}
		else	/* last one */
			{
			if (!EVP_DigestSignFinal(&ctx,A1,&A1_len))
				goto err;
			memcpy(out,A1,olen);
			break;
			}
		}
	ret = 1;
err:
	EVP_PKEY_free(mac_key);
	EVP_MD_CTX_cleanup(&ctx);
	EVP_MD_CTX_cleanup(&ctx_tmp);
	OPENSSL_cleanse(A1,sizeof(A1));
	return ret;
	}
Ejemplo n.º 3
0
int MAIN(int argc, char **argv)
	{
	ENGINE *e = NULL;
	unsigned char *buf=NULL;
	int i,err=1;
	const EVP_MD *md=NULL,*m;
	BIO *in=NULL,*inp;
	BIO *bmd=NULL;
	BIO *out = NULL;
#define PROG_NAME_SIZE  39
	char pname[PROG_NAME_SIZE+1];
	int separator=0;
	int debug=0;
	int keyform=FORMAT_PEM;
	const char *outfile = NULL, *keyfile = NULL;
	const char *sigfile = NULL, *randfile = NULL;
	int out_bin = -1, want_pub = 0, do_verify = 0;
	EVP_PKEY *sigkey = NULL;
	unsigned char *sigbuf = NULL;
	int siglen = 0;
	char *passargin = NULL, *passin = NULL;
#ifndef OPENSSL_NO_ENGINE
	char *engine=NULL;
#endif
	char *hmac_key=NULL;
	char *mac_name=NULL;
	int non_fips_allow = 0;
	STACK_OF(OPENSSL_STRING) *sigopts = NULL, *macopts = NULL;

	apps_startup();

	if ((buf=(unsigned char *)OPENSSL_malloc(BUFSIZE)) == NULL)
		{
		BIO_printf(bio_err,"out of memory\n");
		goto end;
		}
	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;

	/* first check the program name */
	program_name(argv[0],pname,sizeof pname);

	md=EVP_get_digestbyname(pname);

	argc--;
	argv++;
	while (argc > 0)
		{
		if ((*argv)[0] != '-') break;
		if (strcmp(*argv,"-c") == 0)
			separator=1;
		else if (strcmp(*argv,"-r") == 0)
			separator=2;
		else if (strcmp(*argv,"-rand") == 0)
			{
			if (--argc < 1) break;
			randfile=*(++argv);
			}
		else if (strcmp(*argv,"-out") == 0)
			{
			if (--argc < 1) break;
			outfile=*(++argv);
			}
		else if (strcmp(*argv,"-sign") == 0)
			{
			if (--argc < 1) break;
			keyfile=*(++argv);
			}
		else if (!strcmp(*argv,"-passin"))
			{
			if (--argc < 1)
				break;
			passargin=*++argv;
			}
		else if (strcmp(*argv,"-verify") == 0)
			{
			if (--argc < 1) break;
			keyfile=*(++argv);
			want_pub = 1;
			do_verify = 1;
			}
		else if (strcmp(*argv,"-prverify") == 0)
			{
			if (--argc < 1) break;
			keyfile=*(++argv);
			do_verify = 1;
			}
		else if (strcmp(*argv,"-signature") == 0)
			{
			if (--argc < 1) break;
			sigfile=*(++argv);
			}
		else if (strcmp(*argv,"-keyform") == 0)
			{
			if (--argc < 1) break;
			keyform=str2fmt(*(++argv));
			}
#ifndef OPENSSL_NO_ENGINE
		else if (strcmp(*argv,"-engine") == 0)
			{
			if (--argc < 1) break;
			engine= *(++argv);
        		e = setup_engine(bio_err, engine, 0);
			}
#endif
		else if (strcmp(*argv,"-hex") == 0)
			out_bin = 0;
		else if (strcmp(*argv,"-binary") == 0)
			out_bin = 1;
		else if (strcmp(*argv,"-d") == 0)
			debug=1;
		else if (!strcmp(*argv,"-fips-fingerprint"))
			hmac_key = "etaonrishdlcupfm";
		else if (strcmp(*argv,"-non-fips-allow") == 0)
			non_fips_allow=1;
		else if (!strcmp(*argv,"-hmac"))
			{
			if (--argc < 1)
				break;
			hmac_key=*++argv;
			}
		else if (!strcmp(*argv,"-mac"))
			{
			if (--argc < 1)
				break;
			mac_name=*++argv;
			}
		else if (strcmp(*argv,"-sigopt") == 0)
			{
			if (--argc < 1)
				break;
			if (!sigopts)
				sigopts = sk_OPENSSL_STRING_new_null();
			if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, *(++argv)))
				break;
			}
		else if (strcmp(*argv,"-macopt") == 0)
			{
			if (--argc < 1)
				break;
			if (!macopts)
				macopts = sk_OPENSSL_STRING_new_null();
			if (!macopts || !sk_OPENSSL_STRING_push(macopts, *(++argv)))
				break;
			}
		else if ((m=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
			md=m;
		else
			break;
		argc--;
		argv++;
		}


	if(do_verify && !sigfile) {
		BIO_printf(bio_err, "No signature to verify: use the -signature option\n");
		goto end;
	}

	if ((argc > 0) && (argv[0][0] == '-')) /* bad option */
		{
		BIO_printf(bio_err,"unknown option '%s'\n",*argv);
		BIO_printf(bio_err,"options are\n");
		BIO_printf(bio_err,"-c              to output the digest with separating colons\n");
		BIO_printf(bio_err,"-r              to output the digest in coreutils format\n");
		BIO_printf(bio_err,"-d              to output debug info\n");
		BIO_printf(bio_err,"-hex            output as hex dump\n");
		BIO_printf(bio_err,"-binary         output in binary form\n");
		BIO_printf(bio_err,"-sign   file    sign digest using private key in file\n");
		BIO_printf(bio_err,"-verify file    verify a signature using public key in file\n");
		BIO_printf(bio_err,"-prverify file  verify a signature using private key in file\n");
		BIO_printf(bio_err,"-keyform arg    key file format (PEM or ENGINE)\n");
		BIO_printf(bio_err,"-out filename   output to filename rather than stdout\n");
		BIO_printf(bio_err,"-signature file signature to verify\n");
		BIO_printf(bio_err,"-sigopt nm:v    signature parameter\n");
		BIO_printf(bio_err,"-hmac key       create hashed MAC with key\n");
		BIO_printf(bio_err,"-mac algorithm  create MAC (not neccessarily HMAC)\n"); 
		BIO_printf(bio_err,"-macopt nm:v    MAC algorithm parameters or key\n");
#ifndef OPENSSL_NO_ENGINE
		BIO_printf(bio_err,"-engine e       use engine e, possibly a hardware device.\n");
#endif

		EVP_MD_do_all_sorted(list_md_fn, bio_err);
		goto end;
		}

	in=BIO_new(BIO_s_file());
	bmd=BIO_new(BIO_f_md());
	if (debug)
		{
		BIO_set_callback(in,BIO_debug_callback);
		/* needed for windows 3.1 */
		BIO_set_callback_arg(in,(char *)bio_err);
		}

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

	if ((in == NULL) || (bmd == NULL))
		{
		ERR_print_errors(bio_err);
		goto end;
		}

	if(out_bin == -1) {
		if(keyfile)
			out_bin = 1;
		else
			out_bin = 0;
	}

	if(randfile)
		app_RAND_load_file(randfile, bio_err, 0);

	if(outfile) {
		if(out_bin)
			out = BIO_new_file(outfile, "wb");
		else    out = BIO_new_file(outfile, "w");
	} 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(!out) {
		BIO_printf(bio_err, "Error opening output file %s\n", 
					outfile ? outfile : "(stdout)");
		ERR_print_errors(bio_err);
		goto end;
	}
	if ((!!mac_name + !!keyfile + !!hmac_key) > 1)
		{
		BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n");
		goto end;
		}

	if(keyfile)
		{
		if (want_pub)
			sigkey = load_pubkey(bio_err, keyfile, keyform, 0, NULL,
				e, "key file");
		else
			sigkey = load_key(bio_err, keyfile, keyform, 0, passin,
				e, "key file");
		if (!sigkey)
			{
			/* load_[pub]key() has already printed an appropriate
			   message */
			goto end;
			}
		}

	if (mac_name)
		{
		EVP_PKEY_CTX *mac_ctx = NULL;
		int r = 0;
		if (!init_gen_str(bio_err, &mac_ctx, mac_name,e, 0))
			goto mac_end;
		if (macopts)
			{
			char *macopt;
			for (i = 0; i < sk_OPENSSL_STRING_num(macopts); i++)
				{
				macopt = sk_OPENSSL_STRING_value(macopts, i);
				if (pkey_ctrl_string(mac_ctx, macopt) <= 0)
					{
					BIO_printf(bio_err,
						"MAC parameter error \"%s\"\n",
						macopt);
					ERR_print_errors(bio_err);
					goto mac_end;
					}
				}
			}
		if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0)
			{
			BIO_puts(bio_err, "Error generating key\n");
			ERR_print_errors(bio_err);
			goto mac_end;
			}
		r = 1;
		mac_end:
		if (mac_ctx)
			EVP_PKEY_CTX_free(mac_ctx);
		if (r == 0)
			goto end;
		}

	if (non_fips_allow)
		{
		EVP_MD_CTX *md_ctx;
		BIO_get_md_ctx(bmd,&md_ctx);
		EVP_MD_CTX_set_flags(md_ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
		}

	if (hmac_key)
		{
		sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, e,
					(unsigned char *)hmac_key, -1);
		if (!sigkey)
			goto end;
		}

	if (sigkey)
		{
		EVP_MD_CTX *mctx = NULL;
		EVP_PKEY_CTX *pctx = NULL;
		int r;
		if (!BIO_get_md_ctx(bmd, &mctx))
			{
			BIO_printf(bio_err, "Error getting context\n");
			ERR_print_errors(bio_err);
			goto end;
			}
		if (do_verify)
			r = EVP_DigestVerifyInit(mctx, &pctx, md, NULL, sigkey);
		else
			r = EVP_DigestSignInit(mctx, &pctx, md, NULL, sigkey);
		if (!r)
			{
			BIO_printf(bio_err, "Error setting context\n");
			ERR_print_errors(bio_err);
			goto end;
			}
		if (sigopts)
			{
			char *sigopt;
			for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++)
				{
				sigopt = sk_OPENSSL_STRING_value(sigopts, i);
				if (pkey_ctrl_string(pctx, sigopt) <= 0)
					{
					BIO_printf(bio_err,
						"parameter error \"%s\"\n",
						sigopt);
					ERR_print_errors(bio_err);
					goto end;
					}
				}
			}
		}
	/* we use md as a filter, reading from 'in' */
	else
		{
		if (md == NULL)
			md = EVP_md5(); 
		if (!BIO_set_md(bmd,md))
			{
			BIO_printf(bio_err, "Error setting digest %s\n", pname);
			ERR_print_errors(bio_err);
			goto end;
			}
		}

	if(sigfile && sigkey) {
		BIO *sigbio;
		sigbio = BIO_new_file(sigfile, "rb");
		siglen = EVP_PKEY_size(sigkey);
		sigbuf = OPENSSL_malloc(siglen);
		if(!sigbio) {
			BIO_printf(bio_err, "Error opening signature file %s\n",
								sigfile);
			ERR_print_errors(bio_err);
			goto end;
		}
		siglen = BIO_read(sigbio, sigbuf, siglen);
		BIO_free(sigbio);
		if(siglen <= 0) {
			BIO_printf(bio_err, "Error reading signature file %s\n",
								sigfile);
			ERR_print_errors(bio_err);
			goto end;
		}
	}
	inp=BIO_push(bmd,in);

	if (md == NULL)
		{
		EVP_MD_CTX *tctx;
		BIO_get_md_ctx(bmd, &tctx);
		md = EVP_MD_CTX_md(tctx);
		}

	if (argc == 0)
		{
		BIO_set_fp(in,stdin,BIO_NOCLOSE);
		err=do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf,
			  siglen,NULL,NULL,"stdin",bmd);
		}
	else
		{
		const char *md_name = NULL, *sig_name = NULL;
		if(!out_bin)
			{
			if (sigkey)
				{
				const EVP_PKEY_ASN1_METHOD *ameth;
				ameth = EVP_PKEY_get0_asn1(sigkey);
				if (ameth)
					EVP_PKEY_asn1_get0_info(NULL, NULL,
						NULL, NULL, &sig_name, ameth);
				}
			md_name = EVP_MD_name(md);
			}
		err = 0;
		for (i=0; i<argc; i++)
			{
			int r;
			if (BIO_read_filename(in,argv[i]) <= 0)
				{
				perror(argv[i]);
				err++;
				continue;
				}
			else
			r=do_fp(out,buf,inp,separator,out_bin,sigkey,sigbuf,
				siglen,sig_name,md_name, argv[i],bmd);
			if(r)
			    err=r;
			(void)BIO_reset(bmd);
			}
		}
end:
	if (buf != NULL)
		{
		OPENSSL_cleanse(buf,BUFSIZE);
		OPENSSL_free(buf);
		}
	if (in != NULL) BIO_free(in);
	if (passin)
		OPENSSL_free(passin);
	BIO_free_all(out);
	EVP_PKEY_free(sigkey);
	if (sigopts)
		sk_OPENSSL_STRING_free(sigopts);
	if (macopts)
		sk_OPENSSL_STRING_free(macopts);
	if(sigbuf) OPENSSL_free(sigbuf);
	if (bmd != NULL) BIO_free(bmd);
	apps_shutdown();
	OPENSSL_EXIT(err);
	}
Ejemplo n.º 4
0
static int hmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
	{
	EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
	mctx->update = int_update;
	return 1;
	}
Ejemplo n.º 5
0
int dgst_main(int argc, char **argv)
{
    BIO *in = NULL, *inp, *bmd = NULL, *out = NULL;
    ENGINE *e = NULL, *impl = NULL;
    EVP_PKEY *sigkey = NULL;
    STACK_OF(OPENSSL_STRING) *sigopts = NULL, *macopts = NULL;
    char *hmac_key = NULL;
    char *mac_name = NULL;
    char *passinarg = NULL, *passin = NULL;
    const EVP_MD *md = NULL, *m;
    const char *outfile = NULL, *keyfile = NULL, *prog = NULL;
    const char *sigfile = NULL, *randfile = NULL;
    OPTION_CHOICE o;
    int separator = 0, debug = 0, keyform = FORMAT_PEM, siglen = 0;
    int i, ret = 1, out_bin = -1, want_pub = 0, do_verify =
        0, non_fips_allow = 0;
    unsigned char *buf = NULL, *sigbuf = NULL;
    int engine_impl = 0;

    prog = opt_progname(argv[0]);
    if ((buf = (unsigned char *)OPENSSL_malloc(BUFSIZE)) == NULL) {
        BIO_printf(bio_err, "%s: out of memory\n", prog);
        goto end;
    }
    md = EVP_get_digestbyname(prog);

    prog = opt_init(argc, argv, dgst_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(dgst_options);
            ret = 0;
            goto end;
        case OPT_C:
            separator = 1;
            break;
        case OPT_R:
            separator = 2;
            break;
        case OPT_RAND:
            randfile = opt_arg();
            break;
        case OPT_OUT:
            outfile = opt_arg();
            break;
        case OPT_SIGN:
            keyfile = opt_arg();
            break;
        case OPT_PASSIN:
            passinarg = opt_arg();
            break;
        case OPT_VERIFY:
            keyfile = opt_arg();
            want_pub = do_verify = 1;
            break;
        case OPT_PRVERIFY:
            keyfile = opt_arg();
            do_verify = 1;
            break;
        case OPT_SIGNATURE:
            sigfile = opt_arg();
            break;
        case OPT_KEYFORM:
            if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
                goto opthelp;
            break;
        case OPT_ENGINE:
            e = setup_engine(opt_arg(), 0);
            break;
        case OPT_ENGINE_IMPL:
            engine_impl = 1;
            break;
        case OPT_HEX:
            out_bin = 0;
            break;
        case OPT_BINARY:
            out_bin = 1;
            break;
        case OPT_DEBUG:
            debug = 1;
            break;
        case OPT_FIPS_FINGERPRINT:
            hmac_key = "etaonrishdlcupfm";
            break;
        case OPT_NON_FIPS_ALLOW:
            non_fips_allow = 1;
            break;
        case OPT_HMAC:
            hmac_key = opt_arg();
            break;
        case OPT_MAC:
            mac_name = opt_arg();
            break;
        case OPT_SIGOPT:
            if (!sigopts)
                sigopts = sk_OPENSSL_STRING_new_null();
            if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
                goto opthelp;
            break;
        case OPT_MACOPT:
            if (!macopts)
                macopts = sk_OPENSSL_STRING_new_null();
            if (!macopts || !sk_OPENSSL_STRING_push(macopts, opt_arg()))
                goto opthelp;
            break;
        case OPT_DIGEST:
            if (!opt_md(opt_unknown(), &m))
                goto opthelp;
            md = m;
            break;
        }
    }
    argc = opt_num_rest();
    argv = opt_rest();

    if (do_verify && !sigfile) {
        BIO_printf(bio_err,
                   "No signature to verify: use the -signature option\n");
        goto end;
    }
    if (engine_impl)
        impl = e;

    in = BIO_new(BIO_s_file());
    bmd = BIO_new(BIO_f_md());
    if ((in == NULL) || (bmd == NULL)) {
        ERR_print_errors(bio_err);
        goto end;
    }

    if (debug) {
        BIO_set_callback(in, BIO_debug_callback);
        /* needed for windows 3.1 */
        BIO_set_callback_arg(in, (char *)bio_err);
    }

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

    if (out_bin == -1) {
        if (keyfile)
            out_bin = 1;
        else
            out_bin = 0;
    }

    if (randfile)
        app_RAND_load_file(randfile, 0);

    out = bio_open_default(outfile, out_bin ? "wb" : "w");
    if (out == NULL)
        goto end;

    if ((! !mac_name + ! !keyfile + ! !hmac_key) > 1) {
        BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n");
        goto end;
    }

    if (keyfile) {
        if (want_pub)
            sigkey = load_pubkey(keyfile, keyform, 0, NULL, e, "key file");
        else
            sigkey = load_key(keyfile, keyform, 0, passin, e, "key file");
        if (!sigkey) {
            /*
             * load_[pub]key() has already printed an appropriate message
             */
            goto end;
        }
    }

    if (mac_name) {
        EVP_PKEY_CTX *mac_ctx = NULL;
        int r = 0;
        if (!init_gen_str(&mac_ctx, mac_name, impl, 0))
            goto mac_end;
        if (macopts) {
            char *macopt;
            for (i = 0; i < sk_OPENSSL_STRING_num(macopts); i++) {
                macopt = sk_OPENSSL_STRING_value(macopts, i);
                if (pkey_ctrl_string(mac_ctx, macopt) <= 0) {
                    BIO_printf(bio_err,
                               "MAC parameter error \"%s\"\n", macopt);
                    ERR_print_errors(bio_err);
                    goto mac_end;
                }
            }
        }
        if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0) {
            BIO_puts(bio_err, "Error generating key\n");
            ERR_print_errors(bio_err);
            goto mac_end;
        }
        r = 1;
 mac_end:
        EVP_PKEY_CTX_free(mac_ctx);
        if (r == 0)
            goto end;
    }

    if (non_fips_allow) {
        EVP_MD_CTX *md_ctx;
        BIO_get_md_ctx(bmd, &md_ctx);
        EVP_MD_CTX_set_flags(md_ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
    }

    if (hmac_key) {
        sigkey = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, impl,
                                      (unsigned char *)hmac_key, -1);
        if (!sigkey)
            goto end;
    }

    if (sigkey) {
        EVP_MD_CTX *mctx = NULL;
        EVP_PKEY_CTX *pctx = NULL;
        int r;
        if (!BIO_get_md_ctx(bmd, &mctx)) {
            BIO_printf(bio_err, "Error getting context\n");
            ERR_print_errors(bio_err);
            goto end;
        }
        if (do_verify)
            r = EVP_DigestVerifyInit(mctx, &pctx, md, impl, sigkey);
        else
            r = EVP_DigestSignInit(mctx, &pctx, md, impl, sigkey);
        if (!r) {
            BIO_printf(bio_err, "Error setting context\n");
            ERR_print_errors(bio_err);
            goto end;
        }
        if (sigopts) {
            char *sigopt;
            for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
                sigopt = sk_OPENSSL_STRING_value(sigopts, i);
                if (pkey_ctrl_string(pctx, sigopt) <= 0) {
                    BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt);
                    ERR_print_errors(bio_err);
                    goto end;
                }
            }
        }
    }
    /* we use md as a filter, reading from 'in' */
    else {
        EVP_MD_CTX *mctx = NULL;
        if (!BIO_get_md_ctx(bmd, &mctx)) {
            BIO_printf(bio_err, "Error getting context\n");
            ERR_print_errors(bio_err);
            goto end;
        }
        if (md == NULL)
            md = EVP_md5();
        if (!EVP_DigestInit_ex(mctx, md, impl)) {
            BIO_printf(bio_err, "Error setting digest\n");
            ERR_print_errors(bio_err);
            goto end;
        }
    }

    if (sigfile && sigkey) {
        BIO *sigbio = BIO_new_file(sigfile, "rb");
        if (!sigbio) {
            BIO_printf(bio_err, "Error opening signature file %s\n", sigfile);
            ERR_print_errors(bio_err);
            goto end;
        }
        siglen = EVP_PKEY_size(sigkey);
        sigbuf = OPENSSL_malloc(siglen);
        if (!sigbuf) {
            BIO_printf(bio_err, "Out of memory\n");
            goto end;
        }
        siglen = BIO_read(sigbio, sigbuf, siglen);
        BIO_free(sigbio);
        if (siglen <= 0) {
            BIO_printf(bio_err, "Error reading signature file %s\n", sigfile);
            ERR_print_errors(bio_err);
            goto end;
        }
    }
    inp = BIO_push(bmd, in);

    if (md == NULL) {
        EVP_MD_CTX *tctx;
        BIO_get_md_ctx(bmd, &tctx);
        md = EVP_MD_CTX_md(tctx);
    }

    if (argc == 0) {
        BIO_set_fp(in, stdin, BIO_NOCLOSE);
        ret = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
                    siglen, NULL, NULL, "stdin", bmd);
    } else {
        const char *md_name = NULL, *sig_name = NULL;
        if (!out_bin) {
            if (sigkey) {
                const EVP_PKEY_ASN1_METHOD *ameth;
                ameth = EVP_PKEY_get0_asn1(sigkey);
                if (ameth)
                    EVP_PKEY_asn1_get0_info(NULL, NULL,
                                            NULL, NULL, &sig_name, ameth);
            }
            if (md)
                md_name = EVP_MD_name(md);
        }
        ret = 0;
        for (i = 0; i < argc; i++) {
            int r;
            if (BIO_read_filename(in, argv[i]) <= 0) {
                perror(argv[i]);
                ret++;
                continue;
            } else
                r = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf,
                          siglen, sig_name, md_name, argv[i], bmd);
            if (r)
                ret = r;
            (void)BIO_reset(bmd);
        }
    }
 end:
    if (buf != NULL) {
        OPENSSL_cleanse(buf, BUFSIZE);
        OPENSSL_free(buf);
    }
    BIO_free(in);
    if (passin)
        OPENSSL_free(passin);
    BIO_free_all(out);
    EVP_PKEY_free(sigkey);
    if (sigopts)
        sk_OPENSSL_STRING_free(sigopts);
    if (macopts)
        sk_OPENSSL_STRING_free(macopts);
    if (sigbuf)
        OPENSSL_free(sigbuf);
    BIO_free(bmd);
    return (ret);
}
Ejemplo n.º 6
0
static int ossl_hmac_signctx_init(EVP_PKEY_CTX *ctx, EVP_MD_CTX *mctx)
{
    EVP_MD_CTX_set_flags(mctx, EVP_MD_CTX_FLAG_NO_INIT);
    EVP_MD_CTX_set_update_fn(mctx, ossl_int_update);
    return 1;
}