diff options
Diffstat (limited to 'bitmask_android/openssl/apps/enc.c')
| -rw-r--r-- | bitmask_android/openssl/apps/enc.c | 724 |
1 files changed, 724 insertions, 0 deletions
diff --git a/bitmask_android/openssl/apps/enc.c b/bitmask_android/openssl/apps/enc.c new file mode 100644 index 00000000..076225c4 --- /dev/null +++ b/bitmask_android/openssl/apps/enc.c @@ -0,0 +1,724 @@ +/* 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> +#include <openssl/pem.h> +#include <openssl/comp.h> +#include <ctype.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 + +static void show_ciphers(const OBJ_NAME *name,void *bio_) + { + BIO *bio=bio_; + static int n; + + if(!islower((unsigned char)*name->name)) + return; + + BIO_printf(bio,"-%-25s",name->name); + if(++n == 3) + { + BIO_printf(bio,"\n"); + n=0; + } + else + BIO_printf(bio," "); + } + +int MAIN(int, char **); + +int MAIN(int argc, char **argv) + { + static const char magic[]="Salted__"; + char mbuf[sizeof magic-1]; + char *strbuf=NULL; + unsigned char *buff=NULL,*bufsize=NULL; + int bsize=BSIZE,verbose=0; + int ret=1,inl; + int nopad = 0; + unsigned char key[EVP_MAX_KEY_LENGTH],iv[EVP_MAX_IV_LENGTH]; + unsigned char salt[PKCS5_SALT_LEN]; + char *str=NULL, *passarg = NULL, *pass = NULL; + char *hkey=NULL,*hiv=NULL,*hsalt = NULL; + char *md=NULL; + int enc=1,printkey=0,i,base64=0; +#ifdef ZLIB + int do_zlib=0; + BIO *bzl = NULL; +#endif + int debug=0,olb64=0,nosalt=0; + const EVP_CIPHER *cipher=NULL,*c; + EVP_CIPHER_CTX *ctx = NULL; + char *inf=NULL,*outf=NULL; + BIO *in=NULL,*out=NULL,*b64=NULL,*benc=NULL,*rbio=NULL,*wbio=NULL; +#define PROG_NAME_SIZE 39 + char pname[PROG_NAME_SIZE+1]; +#ifndef OPENSSL_NO_ENGINE + char *engine = NULL; +#endif + const EVP_MD *dgst=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); + + if (!load_config(bio_err, NULL)) + goto end; + + /* first check the program name */ + program_name(argv[0],pname,sizeof pname); + if (strcmp(pname,"base64") == 0) + base64=1; +#ifdef ZLIB + if (strcmp(pname,"zlib") == 0) + do_zlib=1; +#endif + + cipher=EVP_get_cipherbyname(pname); +#ifdef ZLIB + if (!do_zlib && !base64 && (cipher == NULL) + && (strcmp(pname,"enc") != 0)) +#else + if (!base64 && (cipher == NULL) && (strcmp(pname,"enc") != 0)) +#endif + { + 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); + } +#ifndef OPENSSL_NO_ENGINE + else if (strcmp(*argv,"-engine") == 0) + { + if (--argc < 1) goto bad; + engine= *(++argv); + } +#endif + 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,"-nopad") == 0) + nopad=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; +#ifdef ZLIB + else if (strcmp(*argv,"-z") == 0) + do_zlib=1; +#endif + 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'; + if (!fgets(buf,sizeof buf,infile)) + { + BIO_printf(bio_err,"unable to read key from '%s'\n", + file); + goto bad; + } + 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 (strcmp(*argv,"-md") == 0) + { + if (--argc < 1) goto bad; + md= *(++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 passphrase is the next argument\n","-k"); + BIO_printf(bio_err,"%-14s passphrase is the first line of the file argument\n","-kfile"); + BIO_printf(bio_err,"%-14s the next argument is the md to use to create a key\n","-md"); + BIO_printf(bio_err,"%-14s from a passphrase. One of md2, md5, sha or sha1\n",""); + BIO_printf(bio_err,"%-14s salt in hex is the next argument\n","-S"); + 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 disable standard block padding\n","-nopad"); +#ifndef OPENSSL_NO_ENGINE + BIO_printf(bio_err,"%-14s use engine e, possibly a hardware device.\n","-engine e"); +#endif + + BIO_printf(bio_err,"Cipher Types\n"); + OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, + show_ciphers, + bio_err); + BIO_printf(bio_err,"\n"); + + goto end; + } + argc--; + argv++; + } + +#ifndef OPENSSL_NO_ENGINE + setup_engine(bio_err, engine, 0); +#endif + + if (md && (dgst=EVP_get_digestbyname(md)) == NULL) + { + BIO_printf(bio_err,"%s is an unsupported message digest type\n",md); + goto end; + } + + if (dgst == NULL) + { + dgst = EVP_md5(); + } + + 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 (base64 && 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,(char *)bio_err); + BIO_set_callback_arg(out,(char *)bio_err); + } + + if (inf == NULL) + { +#ifndef OPENSSL_NO_SETVBUF_IONBF + if (bufsize != NULL) + setvbuf(stdin, (char *)NULL, _IONBF, 0); +#endif /* ndef OPENSSL_NO_SETVBUF_IONBF */ + 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]; + + BIO_snprintf(buf,sizeof 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); +#ifndef OPENSSL_NO_SETVBUF_IONBF + if (bufsize != NULL) + setvbuf(stdout, (char *)NULL, _IONBF, 0); +#endif /* ndef OPENSSL_NO_SETVBUF_IONBF */ +#ifdef OPENSSL_SYS_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; + +#ifdef ZLIB + + if (do_zlib) + { + if ((bzl=BIO_new(BIO_f_zlib())) == NULL) + goto end; + if (enc) + wbio=BIO_push(bzl,wbio); + else + rbio=BIO_push(bzl,rbio); + } +#endif + + 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,(char *)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) + { + /* Note that str is NULL if a key was passed on the command + * line, so we get no salt in that case. Is this a bug? + */ + 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,sizeof salt)) { + BIO_printf(bio_err, + "invalid hex salt value\n"); + goto end; + } + } else if (RAND_pseudo_bytes(salt, sizeof salt) < 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, + sizeof salt) != sizeof salt)) { + 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, + sizeof salt) != sizeof salt) { + 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,dgst,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) + OPENSSL_cleanse(str,SIZE); + else + OPENSSL_cleanse(str,strlen(str)); + } + if ((hiv != NULL) && !set_hex(hiv,iv,sizeof iv)) + { + BIO_printf(bio_err,"invalid hex iv value\n"); + goto end; + } + if ((hiv == NULL) && (str == NULL) + && EVP_CIPHER_iv_length(cipher) != 0) + { + /* No IV was explicitly set and no IV was generated + * during EVP_BytesToKey. Hence the IV is undefined, + * making correct decryption impossible. */ + BIO_printf(bio_err, "iv undefined\n"); + goto end; + } + if ((hkey != NULL) && !set_hex(hkey,key,sizeof key)) + { + BIO_printf(bio_err,"invalid hex key value\n"); + goto end; + } + + if ((benc=BIO_new(BIO_f_cipher())) == NULL) + goto end; + + /* Since we may be changing parameters work on the encryption + * context rather than calling BIO_set_cipher(). + */ + + BIO_get_cipher_ctx(benc, &ctx); + if (!EVP_CipherInit_ex(ctx, cipher, NULL, NULL, NULL, enc)) + { + BIO_printf(bio_err, "Error setting cipher %s\n", + EVP_CIPHER_name(cipher)); + ERR_print_errors(bio_err); + goto end; + } + + if (nopad) + EVP_CIPHER_CTX_set_padding(ctx, 0); + + if (!EVP_CipherInit_ex(ctx, NULL, NULL, key, iv, enc)) + { + BIO_printf(bio_err, "Error setting cipher %s\n", + EVP_CIPHER_name(cipher)); + ERR_print_errors(bio_err); + goto end; + } + + if (debug) + { + BIO_set_callback(benc,BIO_debug_callback); + BIO_set_callback_arg(benc,(char *)bio_err); + } + + if (printkey) + { + if (!nosalt) + { + printf("salt="); + for (i=0; i<(int)sizeof(salt); 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); +#ifdef ZLIB + if (bzl != NULL) BIO_free(bzl); +#endif + if(pass) OPENSSL_free(pass); + apps_shutdown(); + OPENSSL_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); + } |