-/* rsautl.c */
/*
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
* 2000.
# define KEY_PUBKEY 2
# define KEY_CERT 3
-static void usage(void);
-
-# undef PROG
-
-# define PROG rsautl_main
-
-int MAIN(int argc, char **);
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_ENGINE, OPT_IN, OPT_OUT, OPT_ASN1PARSE, OPT_HEXDUMP,
+ OPT_RAW, OPT_OAEP, OPT_SSL, OPT_PKCS, OPT_X931,
+ OPT_SIGN, OPT_VERIFY, OPT_REV, OPT_ENCRYPT, OPT_DECRYPT,
+ OPT_PUBIN, OPT_CERTIN, OPT_INKEY, OPT_PASSIN, OPT_KEYFORM
+} OPTION_CHOICE;
+
+OPTIONS rsautl_options[] = {
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"in", OPT_IN, '<', "Input file"},
+ {"out", OPT_OUT, '>', "Output file"},
+ {"inkey", OPT_INKEY, '<', "Input key"},
+ {"keyform", OPT_KEYFORM, 'F', "Private key format - default PEM"},
+ {"pubin", OPT_PUBIN, '-', "Input is an RSA public"},
+ {"certin", OPT_CERTIN, '-', "Input is a cert carrying an RSA public key"},
+ {"ssl", OPT_SSL, '-', "Use SSL v2 padding"},
+ {"raw", OPT_RAW, '-', "Use no padding"},
+ {"pkcs", OPT_PKCS, '-', "Use PKCS#1 v1.5 padding (default)"},
+ {"oaep", OPT_OAEP, '-', "Use PKCS#1 OAEP"},
+ {"sign", OPT_SIGN, '-', "Sign with private key"},
+ {"verify", OPT_VERIFY, '-', "Verify with public key"},
+ {"asn1parse", OPT_ASN1PARSE, '-'},
+ {"hexdump", OPT_HEXDUMP, '-', "Hex dump output"},
+ {"x931", OPT_X931, '-', "Use ANSI X9.31 padding"},
+ {"rev", OPT_REV, '-'},
+ {"encrypt", OPT_ENCRYPT, '-', "Encrypt with public key"},
+ {"decrypt", OPT_DECRYPT, '-', "Decrypt with private key"},
+ {"passin", OPT_PASSIN, 's', "Pass phrase source"},
+# ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
+# endif
+ {NULL}
+};
-int MAIN(int argc, char **argv)
+int rsautl_main(int argc, char **argv)
{
- ENGINE *e = NULL;
BIO *in = NULL, *out = NULL;
- char *infile = NULL, *outfile = NULL;
-# ifndef OPENSSL_NO_ENGINE
- char *engine = NULL;
-# endif
- char *keyfile = NULL;
- char rsa_mode = RSA_VERIFY, key_type = KEY_PRIVKEY;
- int keyform = FORMAT_PEM;
- char need_priv = 0, badarg = 0, rev = 0;
- char hexdump = 0, asn1parse = 0;
- X509 *x;
+ ENGINE *e = NULL;
EVP_PKEY *pkey = NULL;
RSA *rsa = NULL;
- unsigned char *rsa_in = NULL, *rsa_out = NULL, pad;
- char *passargin = NULL, *passin = NULL;
- int rsa_inlen, rsa_outlen = 0;
- int keysize;
-
- int ret = 1;
-
- argc--;
- argv++;
-
- if (!bio_err)
- bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
-
- if (!load_config(bio_err, NULL))
- goto end;
- ERR_load_crypto_strings();
- OpenSSL_add_all_algorithms();
- pad = RSA_PKCS1_PADDING;
-
- while (argc >= 1) {
- if (!strcmp(*argv, "-in")) {
- if (--argc < 1)
- badarg = 1;
- else
- infile = *(++argv);
- } else if (!strcmp(*argv, "-out")) {
- if (--argc < 1)
- badarg = 1;
- else
- outfile = *(++argv);
- } else if (!strcmp(*argv, "-inkey")) {
- if (--argc < 1)
- badarg = 1;
- else
- keyfile = *(++argv);
- } else if (!strcmp(*argv, "-passin")) {
- if (--argc < 1)
- badarg = 1;
- else
- passargin = *(++argv);
- } else if (strcmp(*argv, "-keyform") == 0) {
- if (--argc < 1)
- badarg = 1;
- else
- keyform = str2fmt(*(++argv));
-# ifndef OPENSSL_NO_ENGINE
- } else if (!strcmp(*argv, "-engine")) {
- if (--argc < 1)
- badarg = 1;
- else
- engine = *(++argv);
-# endif
- } else if (!strcmp(*argv, "-pubin")) {
- key_type = KEY_PUBKEY;
- } else if (!strcmp(*argv, "-certin")) {
- key_type = KEY_CERT;
- } else if (!strcmp(*argv, "-asn1parse"))
+ X509 *x;
+ char *infile = NULL, *outfile = NULL, *keyfile = NULL;
+ char *passinarg = NULL, *passin = NULL, *prog;
+ char rsa_mode = RSA_VERIFY, key_type = KEY_PRIVKEY;
+ unsigned char *rsa_in = NULL, *rsa_out = NULL, pad = RSA_PKCS1_PADDING;
+ int rsa_inlen, keyformat = FORMAT_PEM, keysize, ret = 1;
+ int rsa_outlen = 0, hexdump = 0, asn1parse = 0, need_priv = 0, rev = 0;
+ OPTION_CHOICE o;
+
+ prog = opt_init(argc, argv, rsautl_options);
+ while ((o = opt_next()) != OPT_EOF) {
+ switch (o) {
+ case OPT_EOF:
+ case OPT_ERR:
+ opthelp:
+ BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
+ goto end;
+ case OPT_HELP:
+ opt_help(rsautl_options);
+ ret = 0;
+ goto end;
+ case OPT_KEYFORM:
+ if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &keyformat))
+ goto opthelp;
+ break;
+ case OPT_IN:
+ infile = opt_arg();
+ break;
+ case OPT_OUT:
+ outfile = opt_arg();
+ break;
+ case OPT_ENGINE:
+ e = setup_engine(opt_arg(), 0);
+ break;
+ case OPT_ASN1PARSE:
asn1parse = 1;
- else if (!strcmp(*argv, "-hexdump"))
+ break;
+ case OPT_HEXDUMP:
hexdump = 1;
- else if (!strcmp(*argv, "-raw"))
+ break;
+ case OPT_RAW:
pad = RSA_NO_PADDING;
- else if (!strcmp(*argv, "-oaep"))
+ break;
+ case OPT_OAEP:
pad = RSA_PKCS1_OAEP_PADDING;
- else if (!strcmp(*argv, "-ssl"))
+ break;
+ case OPT_SSL:
pad = RSA_SSLV23_PADDING;
- else if (!strcmp(*argv, "-pkcs"))
+ break;
+ case OPT_PKCS:
pad = RSA_PKCS1_PADDING;
- else if (!strcmp(*argv, "-x931"))
+ break;
+ case OPT_X931:
pad = RSA_X931_PADDING;
- else if (!strcmp(*argv, "-sign")) {
+ break;
+ case OPT_SIGN:
rsa_mode = RSA_SIGN;
need_priv = 1;
- } else if (!strcmp(*argv, "-verify"))
+ break;
+ case OPT_VERIFY:
rsa_mode = RSA_VERIFY;
- else if (!strcmp(*argv, "-rev"))
+ break;
+ case OPT_REV:
rev = 1;
- else if (!strcmp(*argv, "-encrypt"))
+ break;
+ case OPT_ENCRYPT:
rsa_mode = RSA_ENCRYPT;
- else if (!strcmp(*argv, "-decrypt")) {
+ break;
+ case OPT_DECRYPT:
rsa_mode = RSA_DECRYPT;
need_priv = 1;
- } else
- badarg = 1;
- if (badarg) {
- usage();
- goto end;
+ break;
+ case OPT_PUBIN:
+ key_type = KEY_PUBKEY;
+ break;
+ case OPT_CERTIN:
+ key_type = KEY_CERT;
+ break;
+ case OPT_INKEY:
+ keyfile = opt_arg();
+ break;
+ case OPT_PASSIN:
+ passinarg = opt_arg();
+ break;
}
- argc--;
- argv++;
}
+ argc = opt_num_rest();
+ argv = opt_rest();
if (need_priv && (key_type != KEY_PRIVKEY)) {
BIO_printf(bio_err, "A private key is needed for this operation\n");
goto end;
}
-# ifndef OPENSSL_NO_ENGINE
- e = setup_engine(bio_err, engine, 0);
-# endif
- if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
+
+ if (!app_passwd(passinarg, NULL, &passin, NULL)) {
BIO_printf(bio_err, "Error getting password\n");
goto end;
}
+ if (!app_load_modules(NULL))
+ goto end;
+
/* FIXME: seed PRNG only if needed */
- app_RAND_load_file(NULL, bio_err, 0);
+ app_RAND_load_file(NULL, 0);
switch (key_type) {
case KEY_PRIVKEY:
- pkey = load_key(bio_err, keyfile, keyform, 0,
- passin, e, "Private Key");
+ pkey = load_key(keyfile, keyformat, 0, passin, e, "Private Key");
break;
case KEY_PUBKEY:
- pkey = load_pubkey(bio_err, keyfile, keyform, 0,
- NULL, e, "Public Key");
+ pkey = load_pubkey(keyfile, keyformat, 0, NULL, e, "Public Key");
break;
case KEY_CERT:
- x = load_cert(bio_err, keyfile, keyform, NULL, e, "Certificate");
+ x = load_cert(keyfile, keyformat, NULL, e, "Certificate");
if (x) {
pkey = X509_get_pubkey(x);
X509_free(x);
goto end;
}
- if (infile) {
- if (!(in = BIO_new_file(infile, "rb"))) {
- BIO_printf(bio_err, "Error Reading Input File\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- } else
- in = BIO_new_fp(stdin, BIO_NOCLOSE);
-
- if (outfile) {
- if (!(out = BIO_new_file(outfile, "wb"))) {
- BIO_printf(bio_err, "Error Reading Output File\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- } else {
- out = BIO_new_fp(stdout, BIO_NOCLOSE);
-# ifdef OPENSSL_SYS_VMS
- {
- BIO *tmpbio = BIO_new(BIO_f_linebuffer());
- out = BIO_push(tmpbio, out);
- }
-# endif
- }
+ in = bio_open_default(infile, 'r', FORMAT_BINARY);
+ if (in == NULL)
+ goto end;
+ out = bio_open_default(outfile, 'w', FORMAT_BINARY);
+ if (out == NULL)
+ goto end;
keysize = RSA_size(rsa);
- rsa_in = OPENSSL_malloc(keysize * 2);
- rsa_out = OPENSSL_malloc(keysize);
- if (!rsa_in || !rsa_out) {
- BIO_printf(bio_err, "Out of memory\n");
- ERR_print_errors(bio_err);
- goto end;
- }
+ rsa_in = app_malloc(keysize * 2, "hold rsa key");
+ rsa_out = app_malloc(keysize, "output rsa key");
/* Read the input data */
rsa_inlen = BIO_read(in, rsa_in, keysize * 2);
if (rsa_inlen <= 0) {
BIO_printf(bio_err, "Error reading input Data\n");
- exit(1);
+ goto end;
}
if (rev) {
int i;
RSA_free(rsa);
BIO_free(in);
BIO_free_all(out);
- if (rsa_in)
- OPENSSL_free(rsa_in);
- if (rsa_out)
- OPENSSL_free(rsa_out);
- if (passin)
- OPENSSL_free(passin);
+ OPENSSL_free(rsa_in);
+ OPENSSL_free(rsa_out);
+ OPENSSL_free(passin);
return ret;
}
-static void usage()
-{
- BIO_printf(bio_err, "Usage: rsautl [options]\n");
- BIO_printf(bio_err, "-in file input file\n");
- BIO_printf(bio_err, "-out file output file\n");
- BIO_printf(bio_err, "-inkey file input key\n");
- BIO_printf(bio_err, "-keyform arg private key format - default PEM\n");
- BIO_printf(bio_err, "-pubin input is an RSA public\n");
- BIO_printf(bio_err,
- "-certin input is a certificate carrying an RSA public key\n");
- BIO_printf(bio_err, "-ssl use SSL v2 padding\n");
- BIO_printf(bio_err, "-raw use no padding\n");
- BIO_printf(bio_err,
- "-pkcs use PKCS#1 v1.5 padding (default)\n");
- BIO_printf(bio_err, "-oaep use PKCS#1 OAEP\n");
- BIO_printf(bio_err, "-sign sign with private key\n");
- BIO_printf(bio_err, "-verify verify with public key\n");
- BIO_printf(bio_err, "-encrypt encrypt with public key\n");
- BIO_printf(bio_err, "-decrypt decrypt with private key\n");
- BIO_printf(bio_err, "-hexdump hex dump output\n");
-# ifndef OPENSSL_NO_ENGINE
- BIO_printf(bio_err,
- "-engine e use engine e, possibly a hardware device.\n");
- BIO_printf(bio_err, "-passin arg pass phrase source\n");
-# endif
-
-}
-
#else /* !OPENSSL_NO_RSA */
# if PEDANTIC
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