+ const unsigned char *in, size_t inlen);
+
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_ENGINE, OPT_ENGINE_IMPL, OPT_IN, OPT_OUT,
+ OPT_PUBIN, OPT_CERTIN, OPT_ASN1PARSE, OPT_HEXDUMP, OPT_SIGN,
+ OPT_VERIFY, OPT_VERIFYRECOVER, OPT_REV, OPT_ENCRYPT, OPT_DECRYPT,
+ OPT_DERIVE, OPT_SIGFILE, OPT_INKEY, OPT_PEERKEY, OPT_PASSIN,
+ OPT_PEERFORM, OPT_KEYFORM, OPT_PKEYOPT, OPT_KDF, OPT_KDFLEN,
+ OPT_R_ENUM
+} OPTION_CHOICE;
+
+const OPTIONS pkeyutl_options[] = {
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"in", OPT_IN, '<', "Input file - default stdin"},
+ {"out", OPT_OUT, '>', "Output file - default stdout"},
+ {"pubin", OPT_PUBIN, '-', "Input is a public key"},
+ {"certin", OPT_CERTIN, '-', "Input is a cert with a public key"},
+ {"asn1parse", OPT_ASN1PARSE, '-', "asn1parse the output data"},
+ {"hexdump", OPT_HEXDUMP, '-', "Hex dump output"},
+ {"sign", OPT_SIGN, '-', "Sign input data with private key"},
+ {"verify", OPT_VERIFY, '-', "Verify with public key"},
+ {"verifyrecover", OPT_VERIFYRECOVER, '-',
+ "Verify with public key, recover original data"},
+ {"rev", OPT_REV, '-', "Reverse the order of the input buffer"},
+ {"encrypt", OPT_ENCRYPT, '-', "Encrypt input data with public key"},
+ {"decrypt", OPT_DECRYPT, '-', "Decrypt input data with private key"},
+ {"derive", OPT_DERIVE, '-', "Derive shared secret"},
+ {"kdf", OPT_KDF, 's', "Use KDF algorithm"},
+ {"kdflen", OPT_KDFLEN, 'p', "KDF algorithm output length"},
+ {"sigfile", OPT_SIGFILE, '<', "Signature file (verify operation only)"},
+ {"inkey", OPT_INKEY, 's', "Input private key file"},
+ {"peerkey", OPT_PEERKEY, 's', "Peer key file used in key derivation"},
+ {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
+ {"peerform", OPT_PEERFORM, 'E', "Peer key format - default PEM"},
+ {"keyform", OPT_KEYFORM, 'E', "Private key format - default PEM"},
+ {"pkeyopt", OPT_PKEYOPT, 's', "Public key options as opt:value"},
+ OPT_R_OPTIONS,
+#ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
+ {"engine_impl", OPT_ENGINE_IMPL, '-',
+ "Also use engine given by -engine for crypto operations"},
+#endif
+ {NULL}
+};