1 files changed, 119 insertions, 0 deletions
diff --git a/src/orkeygen/orkeygen.c b/src/orkeygen/orkeygen.c
new file mode 100644
index 000000000..718f888f4
--- /dev/null
+++ b/src/orkeygen/orkeygen.c
@@ -0,0 +1,119 @@
+/**
+ * orkeygen.c 
+ * Key generation utility. 
+ *
+ * Matej Pfajfar <mp292@cam.ac.uk>
+ */
+
+/*
+ * Changes :
+ * $Log$
+ * Revision 1.1  2002/06/26 22:45:50  arma
+ * Initial revision
+ *
+ * Revision 1.1  2002/01/04 07:19:27  badbytes
+ * Key generation utility.
+ *
+ *
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <openssl/rsa.h>
+#include <openssl/err.h>
+#include <openssl/pem.h>
+
+int main(int argc, char *argv[])
+{
+
+  char *file_pr = argv[1];
+  char *file_pu = argv[2];
+  
+  FILE *f_pr = NULL;
+  FILE *f_pu = NULL;
+  
+  RSA *rsa_key = NULL;
+ 
+  int retval = 0;
+  
+  
+  if (argc < 3)
+  {
+    printf("Need two files, for private and public key in that order.\n");
+    exit(1);
+  }
+  
+  /* generate the key */
+  rsa_key = RSA_generate_key(1024,65535,NULL,NULL);
+  if (!rsa_key) /* error has occured */
+  {
+    printf("%s",ERR_reason_error_string(ERR_get_error()));
+    exit(1);
+  }
+  else /* keys generated */
+  {
+    retval = RSA_check_key(rsa_key);
+    if (retval == 1)
+    {
+      printf("Generated key seems to be valid.\n");
+      /* open the output files */
+      f_pr = fopen(file_pr,"w");
+      if (!f_pr)
+      {
+	perror("fopen");
+	RSA_free(rsa_key);
+	exit(1);
+      }
+      
+      f_pu = fopen(file_pu,"w");
+      if (!f_pu)
+      {
+	perror("fopen");
+	RSA_free(rsa_key);
+	exit(1);
+      }
+      
+      /* write the private key */
+      retval = PEM_write_RSAPrivateKey(f_pr,rsa_key,NULL,NULL,0,0,NULL);
+      if (retval == 0)
+      {
+	printf("%s",ERR_reason_error_string(ERR_get_error()));
+	fclose(f_pr);
+	fclose(f_pu);
+	RSA_free(rsa_key);
+	exit(1);
+      }
+      
+      /* write the public key */
+      retval = PEM_write_RSAPublicKey(f_pu,rsa_key);
+      if (retval == 0)
+      {
+	printf("%s",ERR_reason_error_string(ERR_get_error()));
+	fclose(f_pr);
+	fclose(f_pu);
+	RSA_free(rsa_key);
+	exit(1);
+      }
+      
+      printf("Keys written to files %s (public) and %s (private).\n",file_pu,file_pr);
+    }
+    else if (retval == 0)
+    {
+      printf("Generated key seems to be invalid. Exiting.\n");
+      RSA_free(rsa_key);
+      exit(1);
+    }
+    else if (retval == -1)
+    {
+      printf("%s",ERR_reason_error_string(ERR_get_error()));
+      RSA_free(rsa_key);
+      exit(1);
+    }
+  }
+     
+  RSA_free(rsa_key);
+  fclose(f_pu);
+  fclose(f_pr);
+  exit(0);
+  
+ }