diff options
Diffstat (limited to 'apps/enc.c')
-rw-r--r-- | apps/enc.c | 668 |
1 files changed, 0 insertions, 668 deletions
diff --git a/apps/enc.c b/apps/enc.c deleted file mode 100644 index 84179f57a0..0000000000 --- a/apps/enc.c +++ /dev/null @@ -1,668 +0,0 @@ -/* apps/enc.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 <stdlib.h> -#include <string.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/rand.h> -#ifndef NO_MD5 -#include <openssl/md5.h> -#endif -#include <openssl/pem.h> -#include <openssl/engine.h> - -int set_hex(char *in,unsigned char *out,int size); -#undef SIZE -#undef BSIZE -#undef PROG - -#define SIZE (512) -#define BSIZE (8*1024) -#define PROG enc_main - -int MAIN(int, char **); - -int MAIN(int argc, char **argv) - { - ENGINE *e = NULL; - static const char magic[]="Salted__"; - char mbuf[8]; /* should be 1 smaller than magic */ - char *strbuf=NULL; - unsigned char *buff=NULL,*bufsize=NULL; - int bsize=BSIZE,verbose=0; - int ret=1,inl; - unsigned char key[24],iv[MD5_DIGEST_LENGTH]; - unsigned char salt[PKCS5_SALT_LEN]; - char *str=NULL, *passarg = NULL, *pass = NULL; - char *hkey=NULL,*hiv=NULL,*hsalt = NULL; - int enc=1,printkey=0,i,base64=0; - int debug=0,olb64=0,nosalt=0; - const EVP_CIPHER *cipher=NULL,*c; - char *inf=NULL,*outf=NULL; - BIO *in=NULL,*out=NULL,*b64=NULL,*benc=NULL,*rbio=NULL,*wbio=NULL; -#define PROG_NAME_SIZE 16 - char pname[PROG_NAME_SIZE]; - char *engine = NULL; - - apps_startup(); - - 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); - if (strcmp(pname,"base64") == 0) - base64=1; - - cipher=EVP_get_cipherbyname(pname); - if (!base64 && (cipher == NULL) && (strcmp(pname,"enc") != 0)) - { - BIO_printf(bio_err,"%s is an unknown cipher\n",pname); - goto bad; - } - - argc--; - argv++; - while (argc >= 1) - { - if (strcmp(*argv,"-e") == 0) - enc=1; - else if (strcmp(*argv,"-in") == 0) - { - if (--argc < 1) goto bad; - inf= *(++argv); - } - else if (strcmp(*argv,"-out") == 0) - { - if (--argc < 1) goto bad; - outf= *(++argv); - } - else if (strcmp(*argv,"-pass") == 0) - { - if (--argc < 1) goto bad; - passarg= *(++argv); - } - else if (strcmp(*argv,"-engine") == 0) - { - if (--argc < 1) goto bad; - engine= *(++argv); - } - else if (strcmp(*argv,"-d") == 0) - enc=0; - else if (strcmp(*argv,"-p") == 0) - printkey=1; - else if (strcmp(*argv,"-v") == 0) - verbose=1; - else if (strcmp(*argv,"-salt") == 0) - nosalt=0; - else if (strcmp(*argv,"-nosalt") == 0) - nosalt=1; - else if (strcmp(*argv,"-debug") == 0) - debug=1; - else if (strcmp(*argv,"-P") == 0) - printkey=2; - else if (strcmp(*argv,"-A") == 0) - olb64=1; - else if (strcmp(*argv,"-a") == 0) - base64=1; - else if (strcmp(*argv,"-base64") == 0) - base64=1; - else if (strcmp(*argv,"-bufsize") == 0) - { - if (--argc < 1) goto bad; - bufsize=(unsigned char *)*(++argv); - } - else if (strcmp(*argv,"-k") == 0) - { - if (--argc < 1) goto bad; - str= *(++argv); - } - else if (strcmp(*argv,"-kfile") == 0) - { - static char buf[128]; - FILE *infile; - char *file; - - if (--argc < 1) goto bad; - file= *(++argv); - infile=fopen(file,"r"); - if (infile == NULL) - { - BIO_printf(bio_err,"unable to read key from '%s'\n", - file); - goto bad; - } - buf[0]='\0'; - fgets(buf,128,infile); - fclose(infile); - i=strlen(buf); - if ((i > 0) && - ((buf[i-1] == '\n') || (buf[i-1] == '\r'))) - buf[--i]='\0'; - if ((i > 0) && - ((buf[i-1] == '\n') || (buf[i-1] == '\r'))) - buf[--i]='\0'; - if (i < 1) - { - BIO_printf(bio_err,"zero length password\n"); - goto bad; - } - str=buf; - } - else if (strcmp(*argv,"-K") == 0) - { - if (--argc < 1) goto bad; - hkey= *(++argv); - } - else if (strcmp(*argv,"-S") == 0) - { - if (--argc < 1) goto bad; - hsalt= *(++argv); - } - else if (strcmp(*argv,"-iv") == 0) - { - if (--argc < 1) goto bad; - hiv= *(++argv); - } - else if ((argv[0][0] == '-') && - ((c=EVP_get_cipherbyname(&(argv[0][1]))) != NULL)) - { - cipher=c; - } - else if (strcmp(*argv,"-none") == 0) - cipher=NULL; - else - { - BIO_printf(bio_err,"unknown option '%s'\n",*argv); -bad: - BIO_printf(bio_err,"options are\n"); - BIO_printf(bio_err,"%-14s input file\n","-in <file>"); - BIO_printf(bio_err,"%-14s output file\n","-out <file>"); - BIO_printf(bio_err,"%-14s pass phrase source\n","-pass <arg>"); - BIO_printf(bio_err,"%-14s encrypt\n","-e"); - BIO_printf(bio_err,"%-14s decrypt\n","-d"); - BIO_printf(bio_err,"%-14s base64 encode/decode, depending on encryption flag\n","-a/-base64"); - BIO_printf(bio_err,"%-14s key is the next argument\n","-k"); - BIO_printf(bio_err,"%-14s key is the first line of the file argument\n","-kfile"); - BIO_printf(bio_err,"%-14s key/iv in hex is the next argument\n","-K/-iv"); - BIO_printf(bio_err,"%-14s print the iv/key (then exit if -P)\n","-[pP]"); - BIO_printf(bio_err,"%-14s buffer size\n","-bufsize <n>"); - BIO_printf(bio_err,"%-14s use engine e, possibly a hardware device.\n","-engine e"); - - BIO_printf(bio_err,"Cipher Types\n"); - BIO_printf(bio_err,"des : 56 bit key DES encryption\n"); - BIO_printf(bio_err,"des_ede :112 bit key ede DES encryption\n"); - BIO_printf(bio_err,"des_ede3:168 bit key ede DES encryption\n"); -#ifndef NO_IDEA - BIO_printf(bio_err,"idea :128 bit key IDEA encryption\n"); -#endif -#ifndef NO_RC4 - BIO_printf(bio_err,"rc2 :128 bit key RC2 encryption\n"); -#endif -#ifndef NO_BF - BIO_printf(bio_err,"bf :128 bit key Blowfish encryption\n"); -#endif -#ifndef NO_RC4 - BIO_printf(bio_err," -%-5s :128 bit key RC4 encryption\n", - LN_rc4); -#endif - - BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s", - LN_des_ecb,LN_des_cbc, - LN_des_cfb64,LN_des_ofb64); - BIO_printf(bio_err," -%-4s (%s)\n", - "des", LN_des_cbc); - - BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s", - LN_des_ede,LN_des_ede_cbc, - LN_des_ede_cfb64,LN_des_ede_ofb64); - BIO_printf(bio_err," -desx -none\n"); - - - BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s", - LN_des_ede3,LN_des_ede3_cbc, - LN_des_ede3_cfb64,LN_des_ede3_ofb64); - BIO_printf(bio_err," -%-4s (%s)\n", - "des3", LN_des_ede3_cbc); - -#ifndef NO_IDEA - BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s", - LN_idea_ecb, LN_idea_cbc, - LN_idea_cfb64, LN_idea_ofb64); - BIO_printf(bio_err," -%-4s (%s)\n","idea",LN_idea_cbc); -#endif -#ifndef NO_RC2 - BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s", - LN_rc2_ecb, LN_rc2_cbc, - LN_rc2_cfb64, LN_rc2_ofb64); - BIO_printf(bio_err," -%-4s (%s)\n","rc2", LN_rc2_cbc); -#endif -#ifndef NO_BF - BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s", - LN_bf_ecb, LN_bf_cbc, - LN_bf_cfb64, LN_bf_ofb64); - BIO_printf(bio_err," -%-4s (%s)\n","bf", LN_bf_cbc); -#endif -#ifndef NO_CAST - BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s", - LN_cast5_ecb, LN_cast5_cbc, - LN_cast5_cfb64, LN_cast5_ofb64); - BIO_printf(bio_err," -%-4s (%s)\n","cast", LN_cast5_cbc); -#endif -#ifndef NO_RC5 - BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s", - LN_rc5_ecb, LN_rc5_cbc, - LN_rc5_cfb64, LN_rc5_ofb64); - BIO_printf(bio_err," -%-4s (%s)\n","rc5", LN_rc5_cbc); -#endif -#ifndef NO_RIJNDAEL - BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s\n", - LN_rijndael_ecb_k128_b128,"","","",""); -#endif - - goto end; - } - argc--; - argv++; - } - - if (engine != NULL) - { - if((e = ENGINE_by_id(engine)) == NULL) - { - BIO_printf(bio_err,"invalid engine \"%s\"\n", - engine); - goto end; - } - if(!ENGINE_set_default(e, ENGINE_METHOD_ALL)) - { - BIO_printf(bio_err,"can't use that engine\n"); - goto end; - } - BIO_printf(bio_err,"engine \"%s\" set.\n", engine); - /* Free our "structural" reference. */ - ENGINE_free(e); - } - - if (bufsize != NULL) - { - unsigned long n; - - for (n=0; *bufsize; bufsize++) - { - i= *bufsize; - if ((i <= '9') && (i >= '0')) - n=n*10+i-'0'; - else if (i == 'k') - { - n*=1024; - bufsize++; - break; - } - } - if (*bufsize != '\0') - { - BIO_printf(bio_err,"invalid 'bufsize' specified.\n"); - goto end; - } - - /* It must be large enough for a base64 encoded line */ - if (n < 80) n=80; - - bsize=(int)n; - if (verbose) BIO_printf(bio_err,"bufsize=%d\n",bsize); - } - - strbuf=OPENSSL_malloc(SIZE); - buff=(unsigned char *)OPENSSL_malloc(EVP_ENCODE_LENGTH(bsize)); - if ((buff == NULL) || (strbuf == NULL)) - { - BIO_printf(bio_err,"OPENSSL_malloc failure %ld\n",(long)EVP_ENCODE_LENGTH(bsize)); - goto end; - } - - in=BIO_new(BIO_s_file()); - out=BIO_new(BIO_s_file()); - if ((in == NULL) || (out == NULL)) - { - ERR_print_errors(bio_err); - goto end; - } - if (debug) - { - BIO_set_callback(in,BIO_debug_callback); - BIO_set_callback(out,BIO_debug_callback); - BIO_set_callback_arg(in,bio_err); - BIO_set_callback_arg(out,bio_err); - } - - if (inf == NULL) - BIO_set_fp(in,stdin,BIO_NOCLOSE); - else - { - if (BIO_read_filename(in,inf) <= 0) - { - perror(inf); - goto end; - } - } - - if(!str && passarg) { - if(!app_passwd(bio_err, passarg, NULL, &pass, NULL)) { - BIO_printf(bio_err, "Error getting password\n"); - goto end; - } - str = pass; - } - - if ((str == NULL) && (cipher != NULL) && (hkey == NULL)) - { - for (;;) - { - char buf[200]; - - sprintf(buf,"enter %s %s password:", - OBJ_nid2ln(EVP_CIPHER_nid(cipher)), - (enc)?"encryption":"decryption"); - strbuf[0]='\0'; - i=EVP_read_pw_string((char *)strbuf,SIZE,buf,enc); - if (i == 0) - { - if (strbuf[0] == '\0') - { - ret=1; - goto end; - } - str=strbuf; - break; - } - if (i < 0) - { - BIO_printf(bio_err,"bad password read\n"); - goto end; - } - } - } - - - if (outf == NULL) - { - BIO_set_fp(out,stdout,BIO_NOCLOSE); -#ifdef VMS - { - BIO *tmpbio = BIO_new(BIO_f_linebuffer()); - out = BIO_push(tmpbio, out); - } -#endif - } - else - { - if (BIO_write_filename(out,outf) <= 0) - { - perror(outf); - goto end; - } - } - - rbio=in; - wbio=out; - - if (base64) - { - if ((b64=BIO_new(BIO_f_base64())) == NULL) - goto end; - if (debug) - { - BIO_set_callback(b64,BIO_debug_callback); - BIO_set_callback_arg(b64,bio_err); - } - if (olb64) - BIO_set_flags(b64,BIO_FLAGS_BASE64_NO_NL); - if (enc) - wbio=BIO_push(b64,wbio); - else - rbio=BIO_push(b64,rbio); - } - - if (cipher != NULL) - { - if (str != NULL) - { - /* Salt handling: if encrypting generate a salt and - * write to output BIO. If decrypting read salt from - * input BIO. - */ - unsigned char *sptr; - if(nosalt) sptr = NULL; - else { - if(enc) { - if(hsalt) { - if(!set_hex(hsalt,salt,PKCS5_SALT_LEN)) { - BIO_printf(bio_err, - "invalid hex salt value\n"); - goto end; - } - } else if (RAND_pseudo_bytes(salt, PKCS5_SALT_LEN) < 0) - goto end; - /* If -P option then don't bother writing */ - if((printkey != 2) - && (BIO_write(wbio,magic, - sizeof magic-1) != sizeof magic-1 - || BIO_write(wbio, - (char *)salt, - PKCS5_SALT_LEN) != PKCS5_SALT_LEN)) { - BIO_printf(bio_err,"error writing output file\n"); - goto end; - } - } else if(BIO_read(rbio,mbuf,sizeof mbuf) != sizeof mbuf - || BIO_read(rbio, - (unsigned char *)salt, - PKCS5_SALT_LEN) != PKCS5_SALT_LEN) { - BIO_printf(bio_err,"error reading input file\n"); - goto end; - } else if(memcmp(mbuf,magic,sizeof magic-1)) { - BIO_printf(bio_err,"bad magic number\n"); - goto end; - } - - sptr = salt; - } - - EVP_BytesToKey(cipher,EVP_md5(),sptr, - (unsigned char *)str, - strlen(str),1,key,iv); - /* zero the complete buffer or the string - * passed from the command line - * bug picked up by - * Larry J. Hughes Jr. <hughes@indiana.edu> */ - if (str == strbuf) - memset(str,0,SIZE); - else - memset(str,0,strlen(str)); - } - if ((hiv != NULL) && !set_hex(hiv,iv,8)) - { - BIO_printf(bio_err,"invalid hex iv value\n"); - goto end; - } - if ((hkey != NULL) && !set_hex(hkey,key,24)) - { - BIO_printf(bio_err,"invalid hex key value\n"); - goto end; - } - - if ((benc=BIO_new(BIO_f_cipher())) == NULL) - goto end; - BIO_set_cipher(benc,cipher,key,iv,enc); - if (debug) - { - BIO_set_callback(benc,BIO_debug_callback); - BIO_set_callback_arg(benc,bio_err); - } - - if (printkey) - { - if (!nosalt) - { - printf("salt="); - for (i=0; i<PKCS5_SALT_LEN; i++) - printf("%02X",salt[i]); - printf("\n"); - } - if (cipher->key_len > 0) - { - printf("key="); - for (i=0; i<cipher->key_len; i++) - printf("%02X",key[i]); - printf("\n"); - } - if (cipher->iv_len > 0) - { - printf("iv ="); - for (i=0; i<cipher->iv_len; i++) - printf("%02X",iv[i]); - printf("\n"); - } - if (printkey == 2) - { - ret=0; - goto end; - } - } - } - - /* Only encrypt/decrypt as we write the file */ - if (benc != NULL) - wbio=BIO_push(benc,wbio); - - for (;;) - { - inl=BIO_read(rbio,(char *)buff,bsize); - if (inl <= 0) break; - if (BIO_write(wbio,(char *)buff,inl) != inl) - { - BIO_printf(bio_err,"error writing output file\n"); - goto end; - } - } - if (!BIO_flush(wbio)) - { - BIO_printf(bio_err,"bad decrypt\n"); - goto end; - } - - ret=0; - if (verbose) - { - BIO_printf(bio_err,"bytes read :%8ld\n",BIO_number_read(in)); - BIO_printf(bio_err,"bytes written:%8ld\n",BIO_number_written(out)); - } -end: - ERR_print_errors(bio_err); - if (strbuf != NULL) OPENSSL_free(strbuf); - if (buff != NULL) OPENSSL_free(buff); - if (in != NULL) BIO_free(in); - if (out != NULL) BIO_free_all(out); - if (benc != NULL) BIO_free(benc); - if (b64 != NULL) BIO_free(b64); - if(pass) OPENSSL_free(pass); - EXIT(ret); - } - -int set_hex(char *in, unsigned char *out, int size) - { - int i,n; - unsigned char j; - - n=strlen(in); - if (n > (size*2)) - { - BIO_printf(bio_err,"hex string is too long\n"); - return(0); - } - memset(out,0,size); - for (i=0; i<n; i++) - { - j=(unsigned char)*in; - *(in++)='\0'; - if (j == 0) break; - if ((j >= '0') && (j <= '9')) - j-='0'; - else if ((j >= 'A') && (j <= 'F')) - j=j-'A'+10; - else if ((j >= 'a') && (j <= 'f')) - j=j-'a'+10; - else - { - BIO_printf(bio_err,"non-hex digit\n"); - return(0); - } - if (i&1) - out[i/2]|=j; - else - out[i/2]=(j<<4); - } - return(1); - } |