diff options
Diffstat (limited to 'usr.bin/openssl/dgst.c')
| -rw-r--r-- | usr.bin/openssl/dgst.c | 547 |
1 files changed, 547 insertions, 0 deletions
diff --git a/usr.bin/openssl/dgst.c b/usr.bin/openssl/dgst.c new file mode 100644 index 00000000000..ab64af91928 --- /dev/null +++ b/usr.bin/openssl/dgst.c @@ -0,0 +1,547 @@ +/* $OpenBSD: dgst.c,v 1.1 2014/08/26 17:47:24 jsing Exp $ */ +/* 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 <stdlib.h> +#include <string.h> + +#include "apps.h" + +#include <openssl/bio.h> +#include <openssl/err.h> +#include <openssl/evp.h> +#include <openssl/hmac.h> +#include <openssl/objects.h> +#include <openssl/pem.h> +#include <openssl/x509.h> + +#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, 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 dgst_main(int, char **); + +int +dgst_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; + 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; + STACK_OF(OPENSSL_STRING) * sigopts = NULL, *macopts = NULL; + + if ((buf = malloc(BUFSIZE)) == NULL) { + BIO_printf(bio_err, "out of memory\n"); + 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, "-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, "-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 (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); + } + + 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 (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 = 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); + free(buf); + } + if (in != NULL) + BIO_free(in); + free(passin); + BIO_free_all(out); + EVP_PKEY_free(sigkey); + if (sigopts) + sk_OPENSSL_STRING_free(sigopts); + if (macopts) + sk_OPENSSL_STRING_free(macopts); + free(sigbuf); + if (bmd != NULL) + BIO_free(bmd); + + return (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; +} |