-/* apps/dgst.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:
* 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
+ * 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
* 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
#include <openssl/objects.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
+#include <openssl/hmac.h>
#undef BUFSIZE
-#define BUFSIZE 1024*8
-
-#undef PROG
-#define PROG dgst_main
-
-void do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
- EVP_PKEY *key, unsigned char *sigin, int siglen);
-
-int MAIN(int, char **);
-
-int MAIN(int argc, char **argv)
- {
- ENGINE *e = NULL;
- unsigned char *buf=NULL;
- int i,err=0;
- const EVP_MD *md=NULL,*m;
- BIO *in=NULL,*inp;
- BIO *bmd=NULL;
- BIO *out = NULL;
- const char *name;
-#define PROG_NAME_SIZE 16
- char pname[PROG_NAME_SIZE];
- 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 *engine=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,PROG_NAME_SIZE);
-
- 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,"-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,"-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));
- }
- else if (strcmp(*argv,"-engine") == 0)
- {
- if (--argc < 1) break;
- engine= *(++argv);
- }
- 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 ((m=EVP_get_digestbyname(&((*argv)[1]))) != NULL)
- md=m;
- else
- break;
- argc--;
- argv++;
- }
-
- if (md == NULL)
- md=EVP_md5();
-
- if(do_verify && !sigfile) {
- BIO_printf(bio_err, "No signature to verify: use the -signature option\n");
- err = 1;
- 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,"-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,"-signature file signature to verify\n");
- BIO_printf(bio_err,"-binary output in binary form\n");
- BIO_printf(bio_err,"-engine e use engine e, possibly a hardware device.\n");
-
- BIO_printf(bio_err,"-%3s to use the %s message digest algorithm (default)\n",
- LN_md5,LN_md5);
- BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
- LN_md4,LN_md4);
- BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
- LN_md2,LN_md2);
- BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
- LN_sha1,LN_sha1);
- BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
- LN_sha,LN_sha);
- BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
- LN_mdc2,LN_mdc2);
- BIO_printf(bio_err,"-%3s to use the %s message digest algorithm\n",
- LN_ripemd160,LN_ripemd160);
- err=1;
- goto end;
- }
-
- e = setup_engine(bio_err, engine, 0);
-
- 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,bio_err);
- }
-
- 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);
- }
+#define BUFSIZE 1024*8
+
+int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
+ EVP_PKEY *key, unsigned char *sigin, int siglen,
+ const char *sig_name, const char *md_name,
+ const char *file);
+
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_C, OPT_R, OPT_RAND, OPT_OUT, OPT_SIGN, OPT_PASSIN, OPT_VERIFY,
+ OPT_PRVERIFY, OPT_SIGNATURE, OPT_KEYFORM, OPT_ENGINE, OPT_ENGINE_IMPL,
+ OPT_HEX, OPT_BINARY, OPT_DEBUG, OPT_FIPS_FINGERPRINT,
+ OPT_HMAC, OPT_MAC, OPT_SIGOPT, OPT_MACOPT,
+ OPT_DIGEST
+} OPTION_CHOICE;
+
+OPTIONS dgst_options[] = {
+ {OPT_HELP_STR, 1, '-', "Usage: %s [options] [file...]\n"},
+ {OPT_HELP_STR, 1, '-',
+ " file... files to digest (default is stdin)\n"},
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"c", OPT_C, '-', "Print the digest with separating colons"},
+ {"r", OPT_R, '-', "Print the digest in coreutils format"},
+ {"rand", OPT_RAND, 's',
+ "Use file(s) containing random data to seed RNG or an EGD sock"},
+ {"out", OPT_OUT, '>', "Output to filename rather than stdout"},
+ {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
+ {"sign", OPT_SIGN, 's', "Sign digest using private key"},
+ {"verify", OPT_VERIFY, 's',
+ "Verify a signature using public key"},
+ {"prverify", OPT_PRVERIFY, 's',
+ "Verify a signature using private key"},
+ {"signature", OPT_SIGNATURE, '<', "File with signature to verify"},
+ {"keyform", OPT_KEYFORM, 'f', "Key file format (PEM or ENGINE)"},
+ {"hex", OPT_HEX, '-', "Print as hex dump"},
+ {"binary", OPT_BINARY, '-', "Print in binary form"},
+ {"d", OPT_DEBUG, '-', "Print debug info"},
+ {"debug", OPT_DEBUG, '-', "Print debug info"},
+ {"fips-fingerprint", OPT_FIPS_FINGERPRINT, '-',
+ "Compute HMAC with the key used in OpenSSL-FIPS fingerprint"},
+ {"hmac", OPT_HMAC, 's', "Create hashed MAC with key"},
+ {"mac", OPT_MAC, 's', "Create MAC (not necessarily HMAC)"},
+ {"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"},
+ {"macopt", OPT_MACOPT, 's', "MAC algorithm parameters in n:v form or key"},
+ {"", OPT_DIGEST, '-', "Any supported digest"},
+#ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
+ {"engine_impl", OPT_ENGINE_IMPL, '-',
+ "Also use engine given by -engine for digest operations"},
#endif
- }
-
- if(!out) {
- BIO_printf(bio_err, "Error opening output file %s\n",
- outfile ? outfile : "(stdout)");
- ERR_print_errors(bio_err);
- goto end;
- }
-
- if(keyfile)
- {
- if (want_pub)
- sigkey = load_pubkey(bio_err, keyfile, keyform, NULL,
- e, "key file");
- else
- sigkey = load_key(bio_err, keyfile, keyform, NULL,
- e, "key file");
- if (!sigkey)
- {
- /* load_[pub]key() has already printed an appropriate
- message */
- 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;
- }
- }
-
-
-
- /* we use md as a filter, reading from 'in' */
- BIO_set_md(bmd,md);
- inp=BIO_push(bmd,in);
-
- if (argc == 0)
- {
- BIO_set_fp(in,stdin,BIO_NOCLOSE);
- do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf, siglen);
- }
- else
- {
- name=OBJ_nid2sn(md->type);
- for (i=0; i<argc; i++)
- {
- if (BIO_read_filename(in,argv[i]) <= 0)
- {
- perror(argv[i]);
- err++;
- continue;
- }
- if(!out_bin) BIO_printf(out, "%s(%s)= ",name,argv[i]);
- do_fp(out, buf,inp,separator, out_bin, sigkey,
- sigbuf, siglen);
- (void)BIO_reset(bmd);
- }
- }
-end:
- if (buf != NULL)
- {
- memset(buf,0,BUFSIZE);
- OPENSSL_free(buf);
- }
- if (in != NULL) BIO_free(in);
- BIO_free_all(out);
- EVP_PKEY_free(sigkey);
- if(sigbuf) OPENSSL_free(sigbuf);
- if (bmd != NULL) BIO_free(bmd);
- apps_shutdown();
- EXIT(err);
- }
-
-void do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
- EVP_PKEY *key, unsigned char *sigin, int siglen)
- {
- int len;
- int i;
-
- for (;;)
- {
- i=BIO_read(bp,(char *)buf,BUFSIZE);
- if (i <= 0) break;
- }
- if(sigin)
- {
- EVP_MD_CTX *ctx;
- BIO_get_md_ctx(bp, &ctx);
- i = EVP_VerifyFinal(ctx, sigin, (unsigned int)siglen, key);
- if(i > 0) BIO_printf(out, "Verified OK\n");
- else if(i == 0) BIO_printf(out, "Verification Failure\n");
- else
- {
- BIO_printf(bio_err, "Error Verifying Data\n");
- ERR_print_errors(bio_err);
- }
- return;
- }
- if(key)
- {
- EVP_MD_CTX *ctx;
- BIO_get_md_ctx(bp, &ctx);
- if(!EVP_SignFinal(ctx, buf, (unsigned int *)&len, key))
- {
- BIO_printf(bio_err, "Error Signing Data\n");
- ERR_print_errors(bio_err);
- return;
- }
- }
- else
- len=BIO_gets(bp,(char *)buf,BUFSIZE);
-
- if(binout) BIO_write(out, buf, len);
- else
- {
- for (i=0; i<len; i++)
- {
- if (sep && (i != 0))
- BIO_printf(out, ":");
- BIO_printf(out, "%02x",buf[i]);
- }
- BIO_printf(out, "\n");
- }
- }
-
+ {NULL}
+};
+
+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;
+ unsigned char *buf = NULL, *sigbuf = NULL;
+ int engine_impl = 0;
+
+ prog = opt_progname(argv[0]);
+ buf = app_malloc(BUFSIZE, "I/O buffer");
+ 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_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, 'w', out_bin ? FORMAT_BINARY : FORMAT_TEXT);
+ 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 (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_sha256();
+ 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 = app_malloc(siglen, "signature buffer");
+ 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");
+ } 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]);
+ if (r)
+ ret = r;
+ (void)BIO_reset(bmd);
+ }
+ }
+ end:
+ OPENSSL_clear_free(buf, BUFSIZE);
+ BIO_free(in);
+ OPENSSL_free(passin);
+ BIO_free_all(out);
+ EVP_PKEY_free(sigkey);
+ sk_OPENSSL_STRING_free(sigopts);
+ sk_OPENSSL_STRING_free(macopts);
+ OPENSSL_free(sigbuf);
+ BIO_free(bmd);
+ return (ret);
+}
+
+int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout,
+ EVP_PKEY *key, unsigned char *sigin, int siglen,
+ const char *sig_name, const char *md_name,
+ const char *file)
+{
+ size_t len;
+ int i;
+
+ for (;;) {
+ i = BIO_read(bp, (char *)buf, BUFSIZE);
+ if (i < 0) {
+ BIO_printf(bio_err, "Read Error in %s\n", file);
+ ERR_print_errors(bio_err);
+ return 1;
+ }
+ if (i == 0)
+ break;
+ }
+ if (sigin) {
+ EVP_MD_CTX *ctx;
+ BIO_get_md_ctx(bp, &ctx);
+ i = EVP_DigestVerifyFinal(ctx, sigin, (unsigned int)siglen);
+ if (i > 0)
+ BIO_printf(out, "Verified OK\n");
+ else if (i == 0) {
+ BIO_printf(out, "Verification Failure\n");
+ return 1;
+ } else {
+ BIO_printf(bio_err, "Error Verifying Data\n");
+ ERR_print_errors(bio_err);
+ return 1;
+ }
+ return 0;
+ }
+ if (key) {
+ EVP_MD_CTX *ctx;
+ BIO_get_md_ctx(bp, &ctx);
+ len = BUFSIZE;
+ if (!EVP_DigestSignFinal(ctx, buf, &len)) {
+ BIO_printf(bio_err, "Error Signing Data\n");
+ ERR_print_errors(bio_err);
+ return 1;
+ }
+ } else {
+ len = BIO_gets(bp, (char *)buf, BUFSIZE);
+ if ((int)len < 0) {
+ ERR_print_errors(bio_err);
+ return 1;
+ }
+ }
+
+ if (binout)
+ BIO_write(out, buf, len);
+ else if (sep == 2) {
+ for (i = 0; i < (int)len; i++)
+ BIO_printf(out, "%02x", buf[i]);
+ BIO_printf(out, " *%s\n", file);
+ } else {
+ if (sig_name) {
+ BIO_puts(out, sig_name);
+ if (md_name)
+ BIO_printf(out, "-%s", md_name);
+ BIO_printf(out, "(%s)= ", file);
+ } else if (md_name)
+ BIO_printf(out, "%s(%s)= ", md_name, file);
+ else
+ BIO_printf(out, "(%s)= ", file);
+ for (i = 0; i < (int)len; i++) {
+ if (sep && (i != 0))
+ BIO_printf(out, ":");
+ BIO_printf(out, "%02x", buf[i]);
+ }
+ BIO_printf(out, "\n");
+ }
+ return 0;
+}