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Diffstat (limited to 'apps/dgst.c')
-rw-r--r-- | apps/dgst.c | 392 |
1 files changed, 392 insertions, 0 deletions
diff --git a/apps/dgst.c b/apps/dgst.c new file mode 100644 index 0000000000..0e93c97ca5 --- /dev/null +++ b/apps/dgst.c @@ -0,0 +1,392 @@ +/* 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> + +#undef BUFSIZE +#define BUFSIZE 1024*8 + +#undef PROG +#define PROG dgst_main + +void do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, char binout, + EVP_PKEY *key, unsigned char *sigin, int siglen); + +int MAIN(int, char **); + +int MAIN(int argc, char **argv) + { + 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; + const char *outfile = NULL, *keyfile = NULL; + const char *sigfile = NULL, *randfile = NULL; + char out_bin = -1, want_pub = 0, do_verify = 0; + EVP_PKEY *sigkey = NULL; + unsigned char *sigbuf = NULL; + int siglen = 0; + + 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); + + /* 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,"-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,"-signature file signature to verify\n"); + BIO_printf(bio_err,"-binary output in binary form\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; + } + + 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 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(keyfile) { + BIO *keybio; + keybio = BIO_new_file(keyfile, "r"); + if(!keybio) { + BIO_printf(bio_err, "Error opening key file %s\n", + keyfile); + ERR_print_errors(bio_err); + goto end; + } + + if(want_pub) + sigkey = PEM_read_bio_PUBKEY(keybio, NULL, NULL, NULL); + else sigkey = PEM_read_bio_PrivateKey(keybio, NULL, NULL, NULL); + BIO_free(keybio); + if(!sigkey) { + BIO_printf(bio_err, "Error reading key file %s\n", + keyfile); + 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; + } + } + + + + /* 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); + EXIT(err); + } + +void do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, char 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"); + } + } + |