Demo of use of errors in applications.
[openssl.git] / apps / dsa.c
index 9da1a41..5222487 100644 (file)
@@ -56,6 +56,7 @@
  * [including the GNU Public Licence.]
  */
 
+#include <openssl/opensslconf.h>       /* for OPENSSL_NO_DSA */
 #ifndef OPENSSL_NO_DSA
 #include <stdio.h>
 #include <stdlib.h>
@@ -68,6 +69,7 @@
 #include <openssl/evp.h>
 #include <openssl/x509.h>
 #include <openssl/pem.h>
+#include <openssl/bn.h>
 
 #undef PROG
 #define PROG   dsa_main
  * -aes128     - encrypt output if PEM format
  * -aes192     - encrypt output if PEM format
  * -aes256     - encrypt output if PEM format
+ * -camellia128 - encrypt output if PEM format
+ * -camellia192 - encrypt output if PEM format
+ * -camellia256 - encrypt output if PEM format
+ * -seed        - encrypt output if PEM format
  * -text       - print a text version
  * -modulus    - print the DSA public key
  */
@@ -98,11 +104,16 @@ int MAIN(int argc, char **argv)
        BIO *in=NULL,*out=NULL;
        int informat,outformat,text=0,noout=0;
        int pubin = 0, pubout = 0;
-       char *infile,*outfile,*prog,*engine;
+       char *infile,*outfile,*prog;
+#ifndef OPENSSL_NO_ENGINE
+       char *engine;
+#endif
        char *passargin = NULL, *passargout = NULL;
        char *passin = NULL, *passout = NULL;
        int modulus=0;
 
+       int pvk_encr = 2;
+
        apps_startup();
 
        if (bio_err == NULL)
@@ -112,7 +123,9 @@ int MAIN(int argc, char **argv)
        if (!load_config(bio_err, NULL))
                goto end;
 
+#ifndef OPENSSL_NO_ENGINE
        engine=NULL;
+#endif
        infile=NULL;
        outfile=NULL;
        informat=FORMAT_PEM;
@@ -153,11 +166,19 @@ int MAIN(int argc, char **argv)
                        if (--argc < 1) goto bad;
                        passargout= *(++argv);
                        }
+#ifndef OPENSSL_NO_ENGINE
                else if (strcmp(*argv,"-engine") == 0)
                        {
                        if (--argc < 1) goto bad;
                        engine= *(++argv);
                        }
+#endif
+               else if (strcmp(*argv,"-pvk-strong") == 0)
+                       pvk_encr=2;
+               else if (strcmp(*argv,"-pvk-weak") == 0)
+                       pvk_encr=1;
+               else if (strcmp(*argv,"-pvk-none") == 0)
+                       pvk_encr=0;
                else if (strcmp(*argv,"-noout") == 0)
                        noout=1;
                else if (strcmp(*argv,"-text") == 0)
@@ -189,7 +210,9 @@ bad:
                BIO_printf(bio_err," -passin arg     input file pass phrase source\n");
                BIO_printf(bio_err," -out arg        output file\n");
                BIO_printf(bio_err," -passout arg    output file pass phrase source\n");
+#ifndef OPENSSL_NO_ENGINE
                BIO_printf(bio_err," -engine e       use engine e, possibly a hardware device.\n");
+#endif
                BIO_printf(bio_err," -des            encrypt PEM output with cbc des\n");
                BIO_printf(bio_err," -des3           encrypt PEM output with ede cbc des using 168 bit key\n");
 #ifndef OPENSSL_NO_IDEA
@@ -198,6 +221,13 @@ bad:
 #ifndef OPENSSL_NO_AES
                BIO_printf(bio_err," -aes128, -aes192, -aes256\n");
                BIO_printf(bio_err,"                 encrypt PEM output with cbc aes\n");
+#endif
+#ifndef OPENSSL_NO_CAMELLIA
+               BIO_printf(bio_err," -camellia128, -camellia192, -camellia256\n");
+               BIO_printf(bio_err,"                 encrypt PEM output with cbc camellia\n");
+#endif
+#ifndef OPENSSL_NO_SEED
+               BIO_printf(bio_err," -seed           encrypt PEM output with cbc seed\n");
 #endif
                BIO_printf(bio_err," -text           print the key in text\n");
                BIO_printf(bio_err," -noout          don't print key out\n");
@@ -207,7 +237,9 @@ bad:
 
        ERR_load_crypto_strings();
 
+#ifndef OPENSSL_NO_ENGINE
         e = setup_engine(bio_err, engine, 0);
+#endif
 
        if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
                BIO_printf(bio_err, "Error getting passwords\n");
@@ -234,16 +266,22 @@ bad:
                }
 
        BIO_printf(bio_err,"read DSA key\n");
-       if      (informat == FORMAT_ASN1) {
-               if(pubin) dsa=d2i_DSA_PUBKEY_bio(in,NULL);
-               else dsa=d2i_DSAPrivateKey_bio(in,NULL);
-       } else if (informat == FORMAT_PEM) {
-               if(pubin) dsa=PEM_read_bio_DSA_PUBKEY(in,NULL, NULL, NULL);
-               else dsa=PEM_read_bio_DSAPrivateKey(in,NULL,NULL,passin);
-       } else
+
                {
-               BIO_printf(bio_err,"bad input format specified for key\n");
-               goto end;
+               EVP_PKEY        *pkey;
+
+               if (pubin)
+                       pkey = load_pubkey(bio_err, infile, informat, 1,
+                               passin, e, "Public Key");
+               else
+                       pkey = load_key(bio_err, infile, informat, 1,
+                               passin, e, "Private Key");
+
+               if (pkey)
+                       {
+                       dsa = EVP_PKEY_get1_DSA(pkey);
+                       EVP_PKEY_free(pkey);
+                       }
                }
        if (dsa == NULL)
                {
@@ -296,11 +334,24 @@ bad:
                        i=PEM_write_bio_DSA_PUBKEY(out,dsa);
                else i=PEM_write_bio_DSAPrivateKey(out,dsa,enc,
                                                        NULL,0,NULL, passout);
+#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_RC4)
+       } else if (outformat == FORMAT_MSBLOB || outformat == FORMAT_PVK) {
+               EVP_PKEY *pk;
+               pk = EVP_PKEY_new();
+               EVP_PKEY_set1_DSA(pk, dsa);
+               if (outformat == FORMAT_PVK)
+                       i = i2b_PVK_bio(out, pk, pvk_encr, 0, passout);
+               else if (pubin || pubout)
+                       i = i2b_PublicKey_bio(out, pk);
+               else
+                       i = i2b_PrivateKey_bio(out, pk);
+               EVP_PKEY_free(pk);
+#endif
        } else {
                BIO_printf(bio_err,"bad output format specified for outfile\n");
                goto end;
                }
-       if (!i)
+       if (i <= 0)
                {
                BIO_printf(bio_err,"unable to write private key\n");
                ERR_print_errors(bio_err);
@@ -314,6 +365,12 @@ end:
        if(passin) OPENSSL_free(passin);
        if(passout) OPENSSL_free(passout);
        apps_shutdown();
-       EXIT(ret);
+       OPENSSL_EXIT(ret);
        }
+#else /* !OPENSSL_NO_DSA */
+
+# if PEDANTIC
+static void *dummy=&dummy;
+# endif
+
 #endif