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Diffstat (limited to 'apps/dgst.c')
-rw-r--r-- | apps/dgst.c | 644 |
1 files changed, 644 insertions, 0 deletions
diff --git a/apps/dgst.c b/apps/dgst.c new file mode 100644 index 0000000..b08e9a7 --- /dev/null +++ b/apps/dgst.c @@ -0,0 +1,644 @@ +/* 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,"-non-fips-allow") == 0) + non_fips_allow=1; + else if (!strcmp(*argv,"-fips-fingerprint")) + hmac_key = "etaonrishdlcupfm"; + 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, e, sigkey); + else + r = EVP_DigestSignInit(mctx, &pctx, md, e, 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); + } + +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; + } + |