/* 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 *title, const char *file,BIO *bmd,const char *hmac_key, int non_fips_allow); 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; const char *name; #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; unsigned int sig_flags = 0; char *passargin = NULL, *passin = NULL; #ifndef OPENSSL_NO_ENGINE char *engine=NULL; #endif char *hmac_key=NULL; int non_fips_allow = 0; apps_startup(); ERR_load_crypto_strings(); 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,"-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,"-x931") == 0) sig_flags = EVP_MD_CTX_FLAG_PAD_X931; else if (strcmp(*argv,"-pss_saltlen") == 0) { int saltlen; if (--argc < 1) break; saltlen=atoi(*(++argv)); if (saltlen == -1) sig_flags = EVP_MD_CTX_FLAG_PSS_MREC; else if (saltlen == -2) sig_flags = EVP_MD_CTX_FLAG_PSS_MDLEN; else if (saltlen < -2 || saltlen >= 0xFFFE) { BIO_printf(bio_err, "Invalid PSS salt length %d\n", saltlen); goto end; } else sig_flags = saltlen; sig_flags <<= 16; sig_flags |= EVP_MD_CTX_FLAG_PAD_PSS; } 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); } #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 ((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,"-hmac key create hashed MAC with key\n"); #ifndef OPENSSL_NO_ENGINE BIO_printf(bio_err,"-engine e use engine e, possibly a hardware device.\n"); #endif BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm (default)\n", LN_md5,LN_md5); BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n", LN_md4,LN_md4); BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n", LN_md2,LN_md2); #ifndef OPENSSL_NO_SHA BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n", LN_sha1,LN_sha1); BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n", LN_sha,LN_sha); #ifndef OPENSSL_NO_SHA256 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n", LN_sha224,LN_sha224); BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n", LN_sha256,LN_sha256); #endif #ifndef OPENSSL_NO_SHA512 BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n", LN_sha384,LN_sha384); BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n", LN_sha512,LN_sha512); #endif #endif BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n", LN_mdc2,LN_mdc2); BIO_printf(bio_err,"-%-14s to use the %s message digest algorithm\n", LN_ripemd160,LN_ripemd160); err=1; goto end; } #ifndef OPENSSL_NO_ENGINE e = setup_engine(bio_err, engine, 0); #endif 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(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(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; } } 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 (sig_flags) { EVP_MD_CTX *md_ctx; BIO_get_md_ctx(bmd,&md_ctx); EVP_MD_CTX_set_flags(md_ctx, sig_flags); } /* we use md as a filter, reading from 'in' */ if (!BIO_set_md(bmd,md)) { BIO_printf(bio_err, "Error setting digest %s\n", pname); ERR_print_errors(bio_err); goto end; } inp=BIO_push(bmd,in); if (argc == 0) { BIO_set_fp(in,stdin,BIO_NOCLOSE); err=do_fp(out, buf,inp,separator, out_bin, sigkey, sigbuf, siglen,"","(stdin)",bmd,hmac_key,non_fips_allow); } else { name=OBJ_nid2sn(md->type); err = 0; for (i=0; i<argc; i++) { char *tmp,*tofree=NULL; int r; if (BIO_read_filename(in,argv[i]) <= 0) { perror(argv[i]); err++; continue; } if(!out_bin) { size_t len = strlen(name)+strlen(argv[i])+(hmac_key ? 5 : 0)+5; tmp=tofree=OPENSSL_malloc(len); BIO_snprintf(tmp,len,"%s%s(%s)= ", hmac_key ? "HMAC-" : "",name,argv[i]); } else tmp=""; r=do_fp(out,buf,inp,separator,out_bin,sigkey,sigbuf, siglen,tmp,argv[i],bmd,hmac_key,non_fips_allow); if(r) err=r; if(tofree) OPENSSL_free(tofree); (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(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 *title, const char *file,BIO *bmd,const char *hmac_key,int non_fips_allow) { unsigned int len; int i; EVP_MD_CTX *md_ctx; HMAC_CTX hmac_ctx; if (hmac_key) { EVP_MD *md; BIO_get_md(bmd,&md); HMAC_CTX_init(&hmac_ctx); HMAC_Init_ex(&hmac_ctx,hmac_key,strlen(hmac_key),md, NULL); BIO_get_md_ctx(bmd,&md_ctx); BIO_set_md_ctx(bmd,&hmac_ctx.md_ctx); } 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_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"); 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); if(!EVP_SignFinal(ctx, buf, (unsigned int *)&len, key)) { BIO_printf(bio_err, "Error Signing Data\n"); ERR_print_errors(bio_err); return 1; } } else if(hmac_key) { HMAC_Final(&hmac_ctx,buf,&len); HMAC_CTX_cleanup(&hmac_ctx); } else len=BIO_gets(bp,(char *)buf,BUFSIZE); if(binout) BIO_write(out, buf, len); else { BIO_write(out,title,strlen(title)); for (i=0; i<(int)len; i++) { if (sep && (i != 0)) BIO_printf(out, ":"); BIO_printf(out, "%02x",buf[i]); } BIO_printf(out, "\n"); } if (hmac_key) { BIO_set_md_ctx(bmd,md_ctx); } return 0; }