X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=apps%2Frsa.c;h=9d4c2e6564050916bd11e3296d52e73ace47aa3a;hp=9b723ee406cc9ceaaac4981a10841dbfef5bfd11;hb=f3e9b338e0badedc87f6014bdbb8594e5af00acd;hpb=74678cc2f8132ad34f7c33731c4765cf3083de8c

diff --git a/apps/rsa.c b/apps/rsa.c
index 9b723ee406..9d4c2e6564 100644
--- a/apps/rsa.c
+++ b/apps/rsa.c
@@ -82,8 +82,12 @@
  * -text	- print a text version
  * -modulus	- print the RSA key modulus
  * -check	- verify key consistency
+ * -pubin	- Expect a public key in input file.
+ * -pubout	- Output a public key.
  */
 
+int MAIN(int, char **);
+
 int MAIN(int argc, char **argv)
 	{
 	int ret=1;
@@ -92,7 +96,10 @@ int MAIN(int argc, char **argv)
 	const EVP_CIPHER *enc=NULL;
 	BIO *in=NULL,*out=NULL;
 	int informat,outformat,text=0,check=0,noout=0;
+	int pubin = 0, pubout = 0;
 	char *infile,*outfile,*prog;
+	char *passargin = NULL, *passargout = NULL;
+	char *passin = NULL, *passout = NULL;
 	int modulus=0;
 
 	apps_startup();
@@ -131,6 +138,20 @@ int MAIN(int argc, char **argv)
 			if (--argc < 1) goto bad;
 			outfile= *(++argv);
 			}
+		else if (strcmp(*argv,"-passin") == 0)
+			{
+			if (--argc < 1) goto bad;
+			passargin= *(++argv);
+			}
+		else if (strcmp(*argv,"-passout") == 0)
+			{
+			if (--argc < 1) goto bad;
+			passargout= *(++argv);
+			}
+		else if (strcmp(*argv,"-pubin") == 0)
+			pubin=1;
+		else if (strcmp(*argv,"-pubout") == 0)
+			pubout=1;
 		else if (strcmp(*argv,"-noout") == 0)
 			noout=1;
 		else if (strcmp(*argv,"-text") == 0)
@@ -154,24 +175,38 @@ int MAIN(int argc, char **argv)
 bad:
 		BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
 		BIO_printf(bio_err,"where options are\n");
-		BIO_printf(bio_err," -inform arg   input format - one of DER NET PEM\n");
-		BIO_printf(bio_err," -outform arg  output format - one of DER NET PEM\n");
-		BIO_printf(bio_err," -in arg       input file\n");
-		BIO_printf(bio_err," -out arg      output file\n");
-		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");
+		BIO_printf(bio_err," -inform arg     input format - one of DER NET PEM\n");
+		BIO_printf(bio_err," -outform arg    output format - one of DER NET PEM\n");
+		BIO_printf(bio_err," -in arg         input file\n");
+		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");
+		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 NO_IDEA
-		BIO_printf(bio_err," -idea         encrypt PEM output with cbc idea\n");
+		BIO_printf(bio_err," -idea           encrypt PEM output with cbc idea\n");
 #endif
-		BIO_printf(bio_err," -text         print the key in text\n");
-		BIO_printf(bio_err," -noout        don't print key out\n");
-		BIO_printf(bio_err," -modulus      print the RSA key modulus\n");
-		BIO_printf(bio_err," -check        verify key consistency\n");
+		BIO_printf(bio_err," -text           print the key in text\n");
+		BIO_printf(bio_err," -noout          don't print key out\n");
+		BIO_printf(bio_err," -modulus        print the RSA key modulus\n");
+		BIO_printf(bio_err," -check          verify key consistency\n");
+		BIO_printf(bio_err," -pubin          expect a public key in input file\n");
+		BIO_printf(bio_err," -pubout         output a public key\n");
 		goto end;
 		}
 
 	ERR_load_crypto_strings();
 
+	if(!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
+		BIO_printf(bio_err, "Error getting passwords\n");
+		goto end;
+	}
+
+	if(check && pubin) {
+		BIO_printf(bio_err, "Only private keys can be checked\n");
+		goto end;
+	}
+
 	in=BIO_new(BIO_s_file());
 	out=BIO_new(BIO_s_file());
 	if ((in == NULL) || (out == NULL))
@@ -191,9 +226,11 @@ bad:
 			}
 		}
 
-	BIO_printf(bio_err,"read RSA private key\n");
-	if	(informat == FORMAT_ASN1)
-		rsa=d2i_RSAPrivateKey_bio(in,NULL);
+	BIO_printf(bio_err,"read RSA key\n");
+	if	(informat == FORMAT_ASN1) {
+		if (pubin) rsa=d2i_RSA_PUBKEY_bio(in,NULL);
+		else rsa=d2i_RSAPrivateKey_bio(in,NULL);
+	}
 #ifndef NO_RC4
 	else if (informat == FORMAT_NETSCAPE)
 		{
@@ -217,12 +254,14 @@ bad:
 				}
 			}
 		p=(unsigned char *)buf->data;
-		rsa=(RSA *)d2i_Netscape_RSA(NULL,&p,(long)size,NULL);
+		rsa=d2i_Netscape_RSA(NULL,&p,(long)size,NULL);
 		BUF_MEM_free(buf);
 		}
 #endif
-	else if (informat == FORMAT_PEM)
-		rsa=PEM_read_bio_RSAPrivateKey(in,NULL,NULL,NULL);
+	else if (informat == FORMAT_PEM) {
+		if(pubin) rsa=PEM_read_bio_RSA_PUBKEY(in,NULL,NULL,NULL);
+		else rsa=PEM_read_bio_RSAPrivateKey(in,NULL, NULL,passin);
+	}
 	else
 		{
 		BIO_printf(bio_err,"bad input format specified for key\n");
@@ -230,7 +269,7 @@ bad:
 		}
 	if (rsa == NULL)
 		{
-		BIO_printf(bio_err,"unable to load Private Key\n");
+		BIO_printf(bio_err,"unable to load key\n");
 		ERR_print_errors(bio_err);
 		goto end;
 		}
@@ -256,9 +295,9 @@ bad:
 
 	if (modulus)
 		{
-		fprintf(stdout,"Modulus=");
+		BIO_printf(out,"Modulus=");
 		BN_print(out,rsa->n);
-		fprintf(stdout,"\n");
+		BIO_printf(out,"\n");
 		}
 
 	if (check)
@@ -288,10 +327,16 @@ bad:
 			}
 		}
 		
-	if (noout) goto end;
-	BIO_printf(bio_err,"writing RSA private key\n");
-	if 	(outformat == FORMAT_ASN1)
-		i=i2d_RSAPrivateKey_bio(out,rsa);
+	if (noout)
+		{
+		ret = 0;
+		goto end;
+		}
+	BIO_printf(bio_err,"writing RSA key\n");
+	if 	(outformat == FORMAT_ASN1) {
+		if(pubout || pubin) i=i2d_RSA_PUBKEY_bio(out,rsa);
+		else i=i2d_RSAPrivateKey_bio(out,rsa);
+	}
 #ifndef NO_RC4
 	else if (outformat == FORMAT_NETSCAPE)
 		{
@@ -311,23 +356,34 @@ bad:
 		Free(pp);
 		}
 #endif
-	else if (outformat == FORMAT_PEM)
-		i=PEM_write_bio_RSAPrivateKey(out,rsa,enc,NULL,0,NULL,NULL);
-	else	{
+	else if (outformat == FORMAT_PEM) {
+		if(pubout || pubin)
+		    i=PEM_write_bio_RSA_PUBKEY(out,rsa);
+		else i=PEM_write_bio_RSAPrivateKey(out,rsa,
+						enc,NULL,0,NULL,passout);
+	} else	{
 		BIO_printf(bio_err,"bad output format specified for outfile\n");
 		goto end;
 		}
 	if (!i)
 		{
-		BIO_printf(bio_err,"unable to write private key\n");
+		BIO_printf(bio_err,"unable to write key\n");
 		ERR_print_errors(bio_err);
 		}
 	else
 		ret=0;
 end:
-	if (in != NULL) BIO_free(in);
-	if (out != NULL) BIO_free(out);
-	if (rsa != NULL) RSA_free(rsa);
+	if(in != NULL) BIO_free(in);
+	if(out != NULL) BIO_free(out);
+	if(rsa != NULL) RSA_free(rsa);
+	if(passin) Free(passin);
+	if(passout) Free(passout);
 	EXIT(ret);
 	}
+#else /* !NO_RSA */
+
+# if PEDANTIC
+static void *dummy=&dummy;
+# endif
+
 #endif