| /* 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: |
| * 1. Redistributions of source code must retain the copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. All advertising materials mentioning features or use of this software |
| * must display the following acknowledgement: |
| * "This product includes cryptographic software written by |
| * Eric Young (eay@cryptsoft.com)" |
| * The word 'cryptographic' can be left out if the rouines from the library |
| * being used are not cryptographic related :-). |
| * 4. If you include any Windows specific code (or a derivative thereof) from |
| * the apps directory (application code) you must include an acknowledgement: |
| * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * |
| * The licence and distribution terms for any publically available version or |
| * derivative of this code cannot be changed. i.e. this code cannot simply be |
| * copied and put under another distribution licence |
| * [including the GNU Public Licence.] |
| */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include "apps.h" |
| #include <openssl/bio.h> |
| #include <openssl/err.h> |
| #include <openssl/evp.h> |
| #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 |
| |
| 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, BIO *bmd); |
| |
| static void list_md_fn(const EVP_MD *m, |
| const char *from, const char *to, void *arg) |
| { |
| const char *mname; |
| /* Skip aliases */ |
| if (!m) |
| return; |
| mname = OBJ_nid2ln(EVP_MD_type(m)); |
| /* Skip shortnames */ |
| if (strcmp(from, mname)) |
| return; |
| /* Skip clones */ |
| if (EVP_MD_flags(m) & EVP_MD_FLAG_PKEY_DIGEST) |
| return; |
| if (strchr(mname, ' ')) |
| mname = EVP_MD_name(m); |
| BIO_printf(arg, "-%-14s to use the %s message digest algorithm\n", |
| mname, mname); |
| } |
| |
| int MAIN(int, char **); |
| |
| 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, "-hmac arg set the HMAC key to arg\n"); |
| BIO_printf(bio_err, "-non-fips-allow allow use of non FIPS digest\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 ((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(bio_err, passargin, 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, 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; |
| } |
| if (!sigbuf) { |
| BIO_printf(bio_err, "Out of memory\n"); |
| 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); |
| } |
| |
| 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, BIO *bmd) |
| { |
| 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_printf(out, "%s-%s(%s)= ", sig_name, md_name, 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; |
| } |
