+#include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */
+#ifndef OPENSSL_NO_DSA
+# include <stdio.h>
+# include <stdlib.h>
+# include <string.h>
+# include <time.h>
+# include "apps.h"
+# include <openssl/bio.h>
+# include <openssl/err.h>
+# include <openssl/dsa.h>
+# include <openssl/evp.h>
+# include <openssl/x509.h>
+# include <openssl/pem.h>
+# include <openssl/bn.h>
+
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT,
+ OPT_ENGINE, OPT_PVK_STRONG, OPT_PVK_WEAK,
+ OPT_PVK_NONE, OPT_NOOUT, OPT_TEXT, OPT_MODULUS, OPT_PUBIN,
+ OPT_PUBOUT, OPT_CIPHER, OPT_PASSIN, OPT_PASSOUT
+} OPTION_CHOICE;
+
+OPTIONS dsa_options[] = {
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"inform", OPT_INFORM, 'F', "Input format, DER PEM PVK"},
+ {"outform", OPT_OUTFORM, 'F', "Output format, DER PEM PVK"},
+ {"in", OPT_IN, '<', "Input file"},
+ {"out", OPT_OUT, '>', "Output file"},
+ {"noout", OPT_NOOUT, '-', "Don't print key out"},
+ {"text", OPT_TEXT, '-', "Print the key in text"},
+ {"modulus", OPT_MODULUS, '-', "Print the DSA public value"},
+ {"pubin", OPT_PUBIN, '-'},
+ {"pubout", OPT_PUBOUT, '-'},
+ {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
+ {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
+ {"", OPT_CIPHER, '-', "Any supported cipher"},
+# ifndef OPENSSL_NO_RC4
+ {"pvk-strong", OPT_PVK_STRONG, '-'},
+ {"pvk-weak", OPT_PVK_WEAK, '-'},
+ {"pvk-none", OPT_PVK_NONE, '-'},
+# endif
+# ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"},
+# endif
+ {NULL}
+};