+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_INFORM, OPT_OUTFORM, OPT_PASSIN, OPT_PASSOUT, OPT_ENGINE,
+ OPT_IN, OPT_OUT, OPT_PUBIN, OPT_PUBOUT, OPT_TEXT_PUB,
+ OPT_TEXT, OPT_NOOUT, OPT_MD, OPT_TRADITIONAL
+} OPTION_CHOICE;
+
+OPTIONS pkey_options[] = {
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"inform", OPT_INFORM, 'f', "Input format (DER or PEM)"},
+ {"outform", OPT_OUTFORM, 'F', "Output format (DER or PEM)"},
+ {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
+ {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
+ {"in", OPT_IN, 's', "Input key"},
+ {"out", OPT_OUT, '>', "Output file"},
+ {"pubin", OPT_PUBIN, '-',
+ "Read public key from input (default is private key)"},
+ {"pubout", OPT_PUBOUT, '-', "Output public key, not private"},
+ {"text_pub", OPT_TEXT_PUB, '-', "Only output public key components"},
+ {"text", OPT_TEXT, '-', "Output in plaintext as well"},
+ {"noout", OPT_NOOUT, '-', "Don't output the key"},
+ {"", OPT_MD, '-', "Any supported cipher"},
+ {"traditional", OPT_TRADITIONAL, '-',
+ "Use traditional format for private keys"},
+#ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
+#endif
+ {NULL}
+};