#include <openssl/evp.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
-#ifdef NO_MD5
+#include <openssl/rand.h>
+#ifndef NO_MD5
#include <openssl/md5.h>
#endif
#include <openssl/pem.h>
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;
- char *hkey=NULL,*hiv=NULL;
+ char *hkey=NULL,*hiv=NULL,*hsalt = NULL;
int enc=1,printkey=0,i,base64=0;
- int debug=0,olb64=0;
+ int debug=0,olb64=0,nosalt=1;
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 pname[PROG_NAME_SIZE];
apps_startup();
BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
/* first check the program name */
- program_name(argv[0],pname,PROG_NAME_SIZE);
+ program_name(argv[0],pname,PROG_NAME_SIZE);
if (strcmp(pname,"base64") == 0)
base64=1;
printkey=1;
else if (strcmp(*argv,"-v") == 0)
verbose=1;
- else if ((strcmp(*argv,"-debug") == 0) ||
- (strcmp(*argv,"-d") == 0))
+ 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;
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;
#ifndef NO_RC4
BIO_printf(bio_err,"rc2 :128 bit key RC2 encryption\n");
#endif
-#ifndef NO_BLOWFISH
+#ifndef NO_BF
BIO_printf(bio_err,"bf :128 bit key BlowFish encryption\n");
#endif
#ifndef NO_RC4
LN_rc2_cfb64, LN_rc2_ofb64);
BIO_printf(bio_err," -%-4s (%s)\n","rc2", LN_rc2_cbc);
#endif
-#ifndef NO_BLOWFISH
+#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_BLOWFISH
+#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_BLOWFISH
+#ifndef NO_RC5
BIO_printf(bio_err," -%-12s -%-12s -%-12s -%-12s",
LN_rc5_ecb, LN_rc5_cbc,
LN_rc5_cfb64, LN_rc5_ofb64);
}
}
+
+ if (outf == NULL)
+ BIO_set_fp(out,stdout,BIO_NOCLOSE);
+ 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)
{
- EVP_BytesToKey(cipher,EVP_md5(),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 RAND_bytes(salt, PKCS5_SALT_LEN);
+ /* If -P option then don't bother writing */
+ if((printkey != 2) && (BIO_write(wbio,
+ (unsigned char *) salt,
+ PKCS5_SALT_LEN) != PKCS5_SALT_LEN)) {
+ BIO_printf(bio_err,"error writing output file\n");
+ goto end;
+ }
+ } else if(BIO_read(rbio, (unsigned char *)salt,
+ PKCS5_SALT_LEN) != PKCS5_SALT_LEN) {
+ BIO_printf(bio_err,"error reading input file\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
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=");
}
}
-
- if (outf == NULL)
- BIO_set_fp(out,stdout,BIO_NOCLOSE);
- 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);
- }
-
/* Only encrypt/decrypt as we write the file */
if (benc != NULL)
wbio=BIO_push(benc,wbio);