2 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
17 #include <openssl/core_names.h>
18 #include <openssl/bio.h>
19 #include <openssl/evp.h>
20 #include <openssl/conf.h>
21 #include <openssl/err.h>
22 #include <openssl/asn1.h>
23 #include <openssl/x509.h>
24 #include <openssl/x509v3.h>
25 #include <openssl/objects.h>
26 #include <openssl/pem.h>
27 #include <openssl/bn.h>
28 #include <openssl/lhash.h>
29 #include <openssl/rsa.h>
30 #ifndef OPENSSL_NO_DSA
31 # include <openssl/dsa.h>
34 #define BITS "default_bits"
35 #define KEYFILE "default_keyfile"
36 #define PROMPT "prompt"
37 #define DISTINGUISHED_NAME "distinguished_name"
38 #define ATTRIBUTES "attributes"
39 #define V3_EXTENSIONS "x509_extensions"
40 #define REQ_EXTENSIONS "req_extensions"
41 #define STRING_MASK "string_mask"
42 #define UTF8_IN "utf8"
44 #define DEFAULT_KEY_LENGTH 2048
45 #define MIN_KEY_LENGTH 512
46 #define DEFAULT_DAYS 30 /* default cert validity period in days */
47 #define UNSET_DAYS -2 /* -1 may be used for testing expiration checks */
48 #define EXT_COPY_UNSET -1
50 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, X509_NAME *fsubj,
51 int mutlirdn, int attribs, unsigned long chtype);
52 static int prompt_info(X509_REQ *req,
53 STACK_OF(CONF_VALUE) *dn_sk, const char *dn_sect,
54 STACK_OF(CONF_VALUE) *attr_sk, const char *attr_sect,
55 int attribs, unsigned long chtype);
56 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
57 STACK_OF(CONF_VALUE) *attr, int attribs,
58 unsigned long chtype);
59 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
60 char *value, int nid, int n_min, int n_max,
61 unsigned long chtype);
62 static int add_DN_object(X509_NAME *n, char *text, const char *def,
63 char *value, int nid, int n_min, int n_max,
64 unsigned long chtype, int mval);
65 static int genpkey_cb(EVP_PKEY_CTX *ctx);
66 static int build_data(char *text, const char *def, char *value,
67 int n_min, int n_max, char *buf, const int buf_size,
68 const char *desc1, const char *desc2);
69 static int req_check_len(int len, int n_min, int n_max);
70 static int check_end(const char *str, const char *end);
71 static int join(char buf[], size_t buf_size, const char *name,
72 const char *tail, const char *desc);
73 static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
74 char **pkeytype, long *pkeylen,
75 ENGINE *keygen_engine);
77 static const char *section = "req";
78 static CONF *req_conf = NULL;
79 static CONF *addext_conf = NULL;
82 typedef enum OPTION_choice {
84 OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_KEYGEN_ENGINE, OPT_KEY,
85 OPT_PUBKEY, OPT_NEW, OPT_CONFIG, OPT_KEYFORM, OPT_IN, OPT_OUT,
86 OPT_KEYOUT, OPT_PASSIN, OPT_PASSOUT, OPT_NEWKEY,
87 OPT_PKEYOPT, OPT_SIGOPT, OPT_VFYOPT, OPT_BATCH, OPT_NEWHDR, OPT_MODULUS,
88 OPT_VERIFY, OPT_NOENC, OPT_NODES, OPT_NOOUT, OPT_VERBOSE, OPT_UTF8,
89 OPT_NAMEOPT, OPT_REQOPT, OPT_SUBJ, OPT_SUBJECT, OPT_TEXT, OPT_X509,
91 OPT_MULTIVALUE_RDN, OPT_DAYS, OPT_SET_SERIAL,
92 OPT_COPY_EXTENSIONS, OPT_ADDEXT, OPT_EXTENSIONS,
93 OPT_REQEXTS, OPT_PRECERT, OPT_MD,
95 OPT_R_ENUM, OPT_PROV_ENUM
98 const OPTIONS req_options[] = {
99 OPT_SECTION("General"),
100 {"help", OPT_HELP, '-', "Display this summary"},
101 #ifndef OPENSSL_NO_ENGINE
102 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
103 {"keygen_engine", OPT_KEYGEN_ENGINE, 's',
104 "Specify engine to be used for key generation operations"},
106 {"in", OPT_IN, '<', "X.509 request input file"},
107 {"inform", OPT_INFORM, 'F', "Input format - DER or PEM"},
108 {"verify", OPT_VERIFY, '-', "Verify self-signature on the request"},
110 OPT_SECTION("Certificate"),
111 {"new", OPT_NEW, '-', "New request"},
112 {"config", OPT_CONFIG, '<', "Request template file"},
113 {"section", OPT_SECTION, 's', "Config section to use (default \"req\")"},
114 {"utf8", OPT_UTF8, '-', "Input characters are UTF8 (default ASCII)"},
115 {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"},
116 {"reqopt", OPT_REQOPT, 's', "Various request text options"},
117 {"text", OPT_TEXT, '-', "Text form of request"},
118 {"x509", OPT_X509, '-',
119 "Output an x509 structure instead of a cert request"},
120 {"CA", OPT_CA, '<', "Issuer certificate to use with -x509"},
121 {"CAkey", OPT_CAKEY, 's',
122 "Issuer private key to use with -x509; default is -CA arg"},
123 {OPT_MORE_STR, 1, 1, "(Required by some CA's)"},
124 {"subj", OPT_SUBJ, 's', "Set or modify subject of request or cert"},
125 {"subject", OPT_SUBJECT, '-',
126 "Print the subject of the output request or cert"},
127 {"multivalue-rdn", OPT_MULTIVALUE_RDN, '-',
128 "Deprecated; multi-valued RDNs support is always on."},
129 {"days", OPT_DAYS, 'p', "Number of days cert is valid for"},
130 {"set_serial", OPT_SET_SERIAL, 's', "Serial number to use"},
131 {"copy_extensions", OPT_COPY_EXTENSIONS, 's',
132 "copy extensions from request when using -x509"},
133 {"addext", OPT_ADDEXT, 's',
134 "Additional cert extension key=value pair (may be given more than once)"},
135 {"extensions", OPT_EXTENSIONS, 's',
136 "Cert extension section (override value in config file)"},
137 {"reqexts", OPT_REQEXTS, 's',
138 "Request extension section (override value in config file)"},
139 {"precert", OPT_PRECERT, '-', "Add a poison extension (implies -new)"},
141 OPT_SECTION("Keys and Signing"),
142 {"key", OPT_KEY, 's', "Private key to use"},
143 {"keyform", OPT_KEYFORM, 'f', "Key file format (ENGINE, other values ignored)"},
144 {"pubkey", OPT_PUBKEY, '-', "Output public key"},
145 {"keyout", OPT_KEYOUT, '>', "File to save newly created private key"},
146 {"passin", OPT_PASSIN, 's', "Private key and certificate password source"},
147 {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
148 {"newkey", OPT_NEWKEY, 's', "Specify as type:bits"},
149 {"pkeyopt", OPT_PKEYOPT, 's', "Public key options as opt:value"},
150 {"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"},
151 {"vfyopt", OPT_VFYOPT, 's', "Verification parameter in n:v form"},
152 {"", OPT_MD, '-', "Any supported digest"},
154 OPT_SECTION("Output"),
155 {"out", OPT_OUT, '>', "Output file"},
156 {"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"},
157 {"batch", OPT_BATCH, '-',
158 "Do not ask anything during request generation"},
159 {"verbose", OPT_VERBOSE, '-', "Verbose output"},
160 {"noenc", OPT_NOENC, '-', "Don't encrypt private keys"},
161 {"nodes", OPT_NODES, '-', "Don't encrypt private keys; deprecated"},
162 {"noout", OPT_NOOUT, '-', "Do not output REQ"},
163 {"newhdr", OPT_NEWHDR, '-', "Output \"NEW\" in the header lines"},
164 {"modulus", OPT_MODULUS, '-', "RSA modulus"},
172 * An LHASH of strings, where each string is an extension name.
174 static unsigned long ext_name_hash(const OPENSSL_STRING *a)
176 return OPENSSL_LH_strhash((const char *)a);
179 static int ext_name_cmp(const OPENSSL_STRING *a, const OPENSSL_STRING *b)
181 return strcmp((const char *)a, (const char *)b);
184 static void exts_cleanup(OPENSSL_STRING *x)
186 OPENSSL_free((char *)x);
190 * Is the |kv| key already duplicated? This is remarkably tricky to get right.
191 * Return 0 if unique, -1 on runtime error; 1 if found or a syntax error.
193 static int duplicated(LHASH_OF(OPENSSL_STRING) *addexts, char *kv)
199 /* Skip leading whitespace, make a copy. */
200 while (*kv && isspace(*kv))
203 if ((p = strchr(kv, '=')) == NULL)
206 if ((kv = OPENSSL_strdup(kv)) == NULL)
209 /* Skip trailing space before the equal sign. */
210 for (p = kv + off; p > kv; --p)
219 /* Finally have a clean "key"; see if it's there [by attempt to add it]. */
220 p = (char *)lh_OPENSSL_STRING_insert(addexts, (OPENSSL_STRING *)kv);
224 } else if (lh_OPENSSL_STRING_error(addexts)) {
232 int req_main(int argc, char **argv)
234 ASN1_INTEGER *serial = NULL;
236 ENGINE *e = NULL, *gen_eng = NULL;
237 EVP_PKEY *pkey = NULL, *CAkey = NULL;
238 EVP_PKEY_CTX *genctx = NULL;
239 STACK_OF(OPENSSL_STRING) *pkeyopts = NULL, *sigopts = NULL, *vfyopts = NULL;
240 LHASH_OF(OPENSSL_STRING) *addexts = NULL;
241 X509 *new_x509 = NULL, *CAcert = NULL;
242 X509_REQ *req = NULL;
243 EVP_CIPHER *cipher = NULL;
244 int ext_copy = EXT_COPY_UNSET;
245 BIO *addext_bio = NULL;
246 char *extensions = NULL;
247 const char *infile = NULL, *CAfile = NULL, *CAkeyfile = NULL;
248 char *outfile = NULL, *keyfile = NULL, *digest = NULL;
249 char *keyalgstr = NULL, *p, *prog, *passargin = NULL, *passargout = NULL;
250 char *passin = NULL, *passout = NULL;
251 char *nofree_passin = NULL, *nofree_passout = NULL;
252 char *req_exts = NULL, *subj = NULL;
253 X509_NAME *fsubj = NULL;
254 char *template = default_config_file, *keyout = NULL;
255 const char *keyalg = NULL;
257 int days = UNSET_DAYS;
258 int ret = 1, gen_x509 = 0, i = 0, newreq = 0, verbose = 0;
259 int informat = FORMAT_UNDEF, outformat = FORMAT_PEM, keyform = FORMAT_UNDEF;
260 int modulus = 0, multirdn = 1, verify = 0, noout = 0, text = 0;
261 int noenc = 0, newhdr = 0, subject = 0, pubkey = 0, precert = 0;
262 long newkey_len = -1;
263 unsigned long chtype = MBSTRING_ASC, reqflag = 0;
265 #ifndef OPENSSL_NO_DES
266 cipher = (EVP_CIPHER *)EVP_des_ede3_cbc();
269 prog = opt_init(argc, argv, req_options);
270 while ((o = opt_next()) != OPT_EOF) {
275 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
278 opt_help(req_options);
282 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
286 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
290 e = setup_engine(opt_arg(), 0);
292 case OPT_KEYGEN_ENGINE:
293 #ifndef OPENSSL_NO_ENGINE
294 gen_eng = setup_engine(opt_arg(), 0);
295 if (gen_eng == NULL) {
296 BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv);
311 template = opt_arg();
317 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
330 passargin = opt_arg();
333 passargout = opt_arg();
340 if (!opt_provider(o))
348 if (pkeyopts == NULL)
349 pkeyopts = sk_OPENSSL_STRING_new_null();
351 || !sk_OPENSSL_STRING_push(pkeyopts, opt_arg()))
356 sigopts = sk_OPENSSL_STRING_new_null();
357 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
362 vfyopts = sk_OPENSSL_STRING_new_null();
363 if (!vfyopts || !sk_OPENSSL_STRING_push(vfyopts, opt_arg()))
389 chtype = MBSTRING_UTF8;
392 if (!set_nameopt(opt_arg()))
396 if (!set_cert_ex(&reqflag, opt_arg()))
409 CAkeyfile = opt_arg();
412 days = atoi(opt_arg());
414 BIO_printf(bio_err, "%s: -days parameter arg must be >= -1\n",
420 if (serial != NULL) {
421 BIO_printf(bio_err, "Serial number supplied twice\n");
424 serial = s2i_ASN1_INTEGER(NULL, opt_arg());
434 case OPT_MULTIVALUE_RDN:
437 case OPT_COPY_EXTENSIONS:
438 if (!set_ext_copy(&ext_copy, opt_arg())) {
439 BIO_printf(bio_err, "Invalid extension copy option: \"%s\"\n",
446 if (addexts == NULL) {
447 addexts = lh_OPENSSL_STRING_new(ext_name_hash, ext_name_cmp);
448 addext_bio = BIO_new(BIO_s_mem());
449 if (addexts == NULL || addext_bio == NULL)
452 i = duplicated(addexts, p);
454 BIO_printf(bio_err, "Duplicate extension: %s\n", p);
457 if (i < 0 || BIO_printf(addext_bio, "%s\n", p) < 0)
461 extensions = opt_arg();
464 req_exts = opt_arg();
467 newreq = precert = 1;
470 digest = opt_unknown();
475 /* No extra arguments. */
476 argc = opt_num_rest();
480 if (!app_RAND_load())
484 if (days != UNSET_DAYS)
485 BIO_printf(bio_err, "Ignoring -days without -x509; not generating a certificate\n");
486 if (ext_copy == EXT_COPY_NONE)
487 BIO_printf(bio_err, "Ignoring -copy_extensions 'none' when -x509 is not given\n");
489 if (gen_x509 && infile == NULL)
492 if (!app_passwd(passargin, passargout, &passin, &passout)) {
493 BIO_printf(bio_err, "Error getting passwords\n");
497 if ((req_conf = app_load_config_verbose(template, verbose)) == NULL)
499 if (addext_bio != NULL) {
502 "Using additional configuration from -addext options\n");
503 if ((addext_conf = app_load_config_bio(addext_bio, NULL)) == NULL)
506 if (template != default_config_file && !app_load_modules(req_conf))
509 if (req_conf != NULL) {
510 p = NCONF_get_string(req_conf, NULL, "oid_file");
514 BIO *oid_bio = BIO_new_file(p, "r");
516 if (oid_bio == NULL) {
519 "Problems opening '%s' for extra OIDs\n", p);
521 OBJ_create_objects(oid_bio);
526 if (!add_oid_section(req_conf))
529 if (digest == NULL) {
530 p = NCONF_get_string(req_conf, section, "default_md");
537 if (extensions == NULL) {
538 extensions = NCONF_get_string(req_conf, section, V3_EXTENSIONS);
539 if (extensions == NULL)
542 if (extensions != NULL) {
543 /* Check syntax of file */
546 X509V3_set_ctx_test(&ctx);
547 X509V3_set_nconf(&ctx, req_conf);
548 if (!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
550 "Error checking x509 extension section %s\n",
555 if (addext_conf != NULL) {
556 /* Check syntax of command line extensions */
559 X509V3_set_ctx_test(&ctx);
560 X509V3_set_nconf(&ctx, addext_conf);
561 if (!X509V3_EXT_add_nconf(addext_conf, &ctx, "default", NULL)) {
562 BIO_printf(bio_err, "Error checking extensions defined using -addext\n");
567 if (passin == NULL) {
568 passin = nofree_passin =
569 NCONF_get_string(req_conf, section, "input_password");
574 if (passout == NULL) {
575 passout = nofree_passout =
576 NCONF_get_string(req_conf, section, "output_password");
581 p = NCONF_get_string(req_conf, section, STRING_MASK);
585 if (p != NULL && !ASN1_STRING_set_default_mask_asc(p)) {
586 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
590 if (chtype != MBSTRING_UTF8) {
591 p = NCONF_get_string(req_conf, section, UTF8_IN);
594 else if (strcmp(p, "yes") == 0)
595 chtype = MBSTRING_UTF8;
598 if (req_exts == NULL) {
599 req_exts = NCONF_get_string(req_conf, section, REQ_EXTENSIONS);
600 if (req_exts == NULL)
603 if (req_exts != NULL) {
604 /* Check syntax of file */
607 X509V3_set_ctx_test(&ctx);
608 X509V3_set_nconf(&ctx, req_conf);
609 if (!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
611 "Error checking request extension section %s\n",
617 if (keyfile != NULL) {
618 pkey = load_key(keyfile, keyform, 0, passin, e, "private key");
621 app_RAND_load_conf(req_conf, section);
624 if (newreq && pkey == NULL) {
625 app_RAND_load_conf(req_conf, section);
627 if (!NCONF_get_number(req_conf, section, BITS, &newkey_len))
628 newkey_len = DEFAULT_KEY_LENGTH;
630 genctx = set_keygen_ctx(keyalg, &keyalgstr, &newkey_len, gen_eng);
634 if (newkey_len < MIN_KEY_LENGTH
635 && (EVP_PKEY_CTX_is_a(genctx, "RSA")
636 || EVP_PKEY_CTX_is_a(genctx, "RSA-PSS")
637 || EVP_PKEY_CTX_is_a(genctx, "DSA"))) {
638 BIO_printf(bio_err, "Private key length too short, needs to be at least %d bits, not %ld.\n",
639 MIN_KEY_LENGTH, newkey_len);
643 if (newkey_len > OPENSSL_RSA_MAX_MODULUS_BITS
644 && (EVP_PKEY_CTX_is_a(genctx, "RSA")
645 || EVP_PKEY_CTX_is_a(genctx, "RSA-PSS")))
647 "Warning: It is not recommended to use more than %d bit for RSA keys.\n"
648 " Your key size is %ld! Larger key size may behave not as expected.\n",
649 OPENSSL_RSA_MAX_MODULUS_BITS, newkey_len);
651 #ifndef OPENSSL_NO_DSA
652 if (EVP_PKEY_CTX_is_a(genctx, "DSA")
653 && newkey_len > OPENSSL_DSA_MAX_MODULUS_BITS)
655 "Warning: It is not recommended to use more than %d bit for DSA keys.\n"
656 " Your key size is %ld! Larger key size may behave not as expected.\n",
657 OPENSSL_DSA_MAX_MODULUS_BITS, newkey_len);
660 if (pkeyopts != NULL) {
662 for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) {
663 genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
664 if (pkey_ctrl_string(genctx, genopt) <= 0) {
665 BIO_printf(bio_err, "Key parameter error \"%s\"\n", genopt);
671 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
672 EVP_PKEY_CTX_set_app_data(genctx, bio_err);
674 pkey = app_keygen(genctx, keyalgstr, newkey_len, verbose);
676 EVP_PKEY_CTX_free(genctx);
679 if (keyout == NULL) {
680 keyout = NCONF_get_string(req_conf, section, KEYFILE);
686 BIO_printf(bio_err, "Writing new private key to stdout\n");
688 BIO_printf(bio_err, "Writing new private key to '%s'\n", keyout);
689 out = bio_open_owner(keyout, outformat, newreq);
693 p = NCONF_get_string(req_conf, section, "encrypt_rsa_key");
696 p = NCONF_get_string(req_conf, section, "encrypt_key");
700 if ((p != NULL) && (strcmp(p, "no") == 0))
708 if (!PEM_write_bio_PrivateKey(out, pkey, cipher,
709 NULL, 0, NULL, passout)) {
710 if ((ERR_GET_REASON(ERR_peek_error()) ==
711 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) {
720 BIO_printf(bio_err, "-----\n");
724 * subj is expected to be in the format /type0=value0/type1=value1/type2=...
725 * where characters may be escaped by \
728 && (fsubj = parse_name(subj, chtype, multirdn, "subject")) == NULL)
732 req = load_csr(infile, informat, "X509 request");
737 if (CAkeyfile == NULL)
739 if (CAkeyfile != NULL) {
740 if (CAfile == NULL) {
742 "Ignoring -CAkey option since no -CA option is given\n");
744 if ((CAkey = load_key(CAkeyfile, FORMAT_UNDEF,
745 0, passin, e, "issuer private key")) == NULL)
749 if (CAfile != NULL) {
752 "Warning: Ignoring -CA option without -x509\n");
754 if (CAkeyfile == NULL) {
756 "Need to give the -CAkey option if using -CA\n");
759 if ((CAcert = load_cert_pass(CAfile, FORMAT_UNDEF, 1, passin,
760 "issuer certificate")) == NULL)
762 if (!X509_check_private_key(CAcert, CAkey)) {
764 "Issuer certificate and key do not match\n");
769 if (newreq || gen_x509) {
770 if (pkey == NULL /* can happen only if !newreq */) {
771 BIO_printf(bio_err, "Must provide a signature key using -key\n");
776 req = X509_REQ_new_ex(app_get0_libctx(), app_get0_propq());
781 if (!make_REQ(req, pkey, fsubj, multirdn, !gen_x509, chtype)){
782 BIO_printf(bio_err, "Error making certificate request\n");
787 EVP_PKEY *pub_key = X509_REQ_get0_pubkey(req);
789 X509_NAME *issuer = CAcert != NULL ? X509_get_subject_name(CAcert) :
790 X509_REQ_get_subject_name(req);
791 X509_NAME *n_subj = fsubj != NULL ? fsubj :
792 X509_REQ_get_subject_name(req);
794 if ((new_x509 = X509_new_ex(app_get0_libctx(),
795 app_get0_propq())) == NULL)
798 if (serial != NULL) {
799 if (!X509_set_serialNumber(new_x509, serial))
802 if (!rand_serial(NULL, X509_get_serialNumber(new_x509)))
806 if (!X509_set_issuer_name(new_x509, issuer))
808 if (days == UNSET_DAYS) {
811 if (!set_cert_times(new_x509, NULL, NULL, days))
813 if (!X509_set_subject_name(new_x509, n_subj))
815 if (!pub_key || !X509_set_pubkey(new_x509, pub_key))
817 if (ext_copy == EXT_COPY_UNSET) {
818 BIO_printf(bio_err, "Warning: No -copy_extensions given; ignoring any extensions in the request\n");
819 } else if (!copy_extensions(new_x509, req, ext_copy)) {
820 BIO_printf(bio_err, "Error copying extensions from request\n");
824 /* Set up V3 context struct */
825 X509V3_set_ctx(&ext_ctx, CAcert != NULL ? CAcert : new_x509,
826 new_x509, NULL, NULL, X509V3_CTX_REPLACE);
827 if (CAcert == NULL) { /* self-issued, possibly self-signed */
828 if (!X509V3_set_issuer_pkey(&ext_ctx, pkey)) /* prepare right AKID */
831 if (!X509_check_private_key(new_x509, pkey))
833 "Warning: Signature key and public key of cert do not match\n");
836 X509V3_set_nconf(&ext_ctx, req_conf);
839 if (extensions != NULL
840 && !X509V3_EXT_add_nconf(req_conf, &ext_ctx, extensions,
842 BIO_printf(bio_err, "Error adding x509 extensions from section %s\n",
846 if (addext_conf != NULL
847 && !X509V3_EXT_add_nconf(addext_conf, &ext_ctx, "default",
849 BIO_printf(bio_err, "Error adding extensions defined via -addext\n");
853 /* If a pre-cert was requested, we need to add a poison extension */
855 if (X509_add1_ext_i2d(new_x509, NID_ct_precert_poison,
857 BIO_printf(bio_err, "Error adding poison extension\n");
862 i = do_X509_sign(new_x509, CAcert != NULL ? CAkey : pkey,
863 digest, sigopts, &ext_ctx);
869 /* Set up V3 context struct */
870 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
871 X509V3_set_nconf(&ext_ctx, req_conf);
875 && !X509V3_EXT_REQ_add_nconf(req_conf, &ext_ctx,
877 BIO_printf(bio_err, "Error adding request extensions from section %s\n",
881 if (addext_conf != NULL
882 && !X509V3_EXT_REQ_add_nconf(addext_conf, &ext_ctx, "default",
884 BIO_printf(bio_err, "Error adding extensions defined via -addext\n");
887 i = do_X509_REQ_sign(req, pkey, digest, sigopts);
893 if (subj != NULL && !newreq && !gen_x509) {
895 BIO_printf(out, "Modifying subject of certificate request\n");
896 print_name(out, "Old subject=", X509_REQ_get_subject_name(req));
899 if (!X509_REQ_set_subject_name(req, fsubj)) {
900 BIO_printf(bio_err, "Error modifying subject of certificate request\n");
905 print_name(out, "New subject=", X509_REQ_get_subject_name(req));
910 EVP_PKEY *tpubkey = pkey;
912 if (tpubkey == NULL) {
913 tpubkey = X509_REQ_get0_pubkey(req);
918 i = do_X509_REQ_verify(req, tpubkey, vfyopts);
923 BIO_printf(bio_err, "Certificate request self-signature verify failure\n");
925 BIO_printf(bio_err, "Certificate request self-signature verify OK\n");
928 if (noout && !text && !modulus && !subject && !pubkey) {
933 out = bio_open_default(outfile,
934 keyout != NULL && outfile != NULL &&
935 strcmp(keyout, outfile) == 0 ? 'a' : 'w',
941 EVP_PKEY *tpubkey = X509_REQ_get0_pubkey(req);
943 if (tpubkey == NULL) {
944 BIO_printf(bio_err, "Error getting public key\n");
947 PEM_write_bio_PUBKEY(out, tpubkey);
952 ret = X509_print_ex(out, new_x509, get_nameopt(), reqflag);
954 ret = X509_REQ_print_ex(out, req, get_nameopt(), reqflag);
958 BIO_printf(bio_err, "Error printing certificate\n");
960 BIO_printf(bio_err, "Error printing certificate request\n");
966 print_name(out, "subject=", gen_x509
967 ? X509_get_subject_name(new_x509)
968 : X509_REQ_get_subject_name(req));
975 tpubkey = X509_get0_pubkey(new_x509);
977 tpubkey = X509_REQ_get0_pubkey(req);
978 if (tpubkey == NULL) {
979 fprintf(stdout, "Modulus is unavailable\n");
982 fprintf(stdout, "Modulus=");
983 if (EVP_PKEY_is_a(tpubkey, "RSA")) {
986 /* Every RSA key has an 'n' */
987 EVP_PKEY_get_bn_param(pkey, "n", &n);
991 fprintf(stdout, "Wrong Algorithm type");
993 fprintf(stdout, "\n");
996 if (!noout && !gen_x509) {
997 if (outformat == FORMAT_ASN1)
998 i = i2d_X509_REQ_bio(out, req);
1000 i = PEM_write_bio_X509_REQ_NEW(out, req);
1002 i = PEM_write_bio_X509_REQ(out, req);
1004 BIO_printf(bio_err, "Unable to write certificate request\n");
1008 if (!noout && gen_x509 && new_x509 != NULL) {
1009 if (outformat == FORMAT_ASN1)
1010 i = i2d_X509_bio(out, new_x509);
1012 i = PEM_write_bio_X509(out, new_x509);
1014 BIO_printf(bio_err, "Unable to write X509 certificate\n");
1021 ERR_print_errors(bio_err);
1023 NCONF_free(req_conf);
1024 NCONF_free(addext_conf);
1025 BIO_free(addext_bio);
1027 EVP_PKEY_free(pkey);
1028 EVP_PKEY_CTX_free(genctx);
1029 sk_OPENSSL_STRING_free(pkeyopts);
1030 sk_OPENSSL_STRING_free(sigopts);
1031 sk_OPENSSL_STRING_free(vfyopts);
1032 lh_OPENSSL_STRING_doall(addexts, exts_cleanup);
1033 lh_OPENSSL_STRING_free(addexts);
1034 #ifndef OPENSSL_NO_ENGINE
1035 release_engine(gen_eng);
1037 OPENSSL_free(keyalgstr);
1039 X509_NAME_free(fsubj);
1040 X509_free(new_x509);
1042 EVP_PKEY_free(CAkey);
1043 ASN1_INTEGER_free(serial);
1045 if (passin != nofree_passin)
1046 OPENSSL_free(passin);
1047 if (passout != nofree_passout)
1048 OPENSSL_free(passout);
1052 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, X509_NAME *fsubj,
1053 int multirdn, int attribs, unsigned long chtype)
1057 STACK_OF(CONF_VALUE) *dn_sk = NULL, *attr_sk = NULL;
1058 char *tmp, *dn_sect, *attr_sect;
1060 tmp = NCONF_get_string(req_conf, section, PROMPT);
1063 if ((tmp != NULL) && strcmp(tmp, "no") == 0)
1066 dn_sect = NCONF_get_string(req_conf, section, DISTINGUISHED_NAME);
1067 if (dn_sect == NULL) {
1070 dn_sk = NCONF_get_section(req_conf, dn_sect);
1071 if (dn_sk == NULL) {
1072 BIO_printf(bio_err, "Unable to get '%s' section\n", dn_sect);
1077 attr_sect = NCONF_get_string(req_conf, section, ATTRIBUTES);
1078 if (attr_sect == NULL) {
1081 attr_sk = NCONF_get_section(req_conf, attr_sect);
1082 if (attr_sk == NULL) {
1083 BIO_printf(bio_err, "Unable to get '%s' section\n", attr_sect);
1088 /* so far there is only version 1 */
1089 if (!X509_REQ_set_version(req, X509_REQ_VERSION_1))
1093 i = X509_REQ_set_subject_name(req, fsubj);
1095 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1097 i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs,
1102 if (!X509_REQ_set_pubkey(req, pkey))
1110 static int prompt_info(X509_REQ *req,
1111 STACK_OF(CONF_VALUE) *dn_sk, const char *dn_sect,
1112 STACK_OF(CONF_VALUE) *attr_sk, const char *attr_sect,
1113 int attribs, unsigned long chtype)
1123 X509_NAME *subj = X509_REQ_get_subject_name(req);
1127 "You are about to be asked to enter information that will be incorporated\n");
1128 BIO_printf(bio_err, "into your certificate request.\n");
1130 "What you are about to enter is what is called a Distinguished Name or a DN.\n");
1132 "There are quite a few fields but you can leave some blank\n");
1134 "For some fields there will be a default value,\n");
1136 "If you enter '.', the field will be left blank.\n");
1137 BIO_printf(bio_err, "-----\n");
1140 if (sk_CONF_VALUE_num(dn_sk)) {
1145 if (sk_CONF_VALUE_num(dn_sk) <= i)
1148 v = sk_CONF_VALUE_value(dn_sk, i);
1151 if (!check_end(type, "_min") || !check_end(type, "_max") ||
1152 !check_end(type, "_default") || !check_end(type, "_value"))
1155 * Skip past any leading X. X: X, etc to allow for multiple
1158 for (p = v->name; *p; p++)
1159 if ((*p == ':') || (*p == ',') || (*p == '.')) {
1171 /* If OBJ not recognised ignore it */
1172 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1174 if (!join(buf, sizeof(buf), v->name, "_default", "Name"))
1176 if ((def = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1181 if (!join(buf, sizeof(buf), v->name, "_value", "Name"))
1183 if ((value = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1188 if (!join(buf, sizeof(buf), v->name, "_min", "Name"))
1190 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_min)) {
1195 if (!join(buf, sizeof(buf), v->name, "_max", "Name"))
1197 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_max)) {
1202 if (!add_DN_object(subj, v->value, def, value, nid,
1203 n_min, n_max, chtype, mval))
1206 if (X509_NAME_entry_count(subj) == 0) {
1207 BIO_printf(bio_err, "Error: No objects specified in config file\n");
1212 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0)
1215 "\nPlease enter the following 'extra' attributes\n");
1217 "to be sent with your certificate request\n");
1224 if ((attr_sk == NULL) || (sk_CONF_VALUE_num(attr_sk) <= i))
1227 v = sk_CONF_VALUE_value(attr_sk, i);
1229 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1232 if (!join(buf, sizeof(buf), type, "_default", "Name"))
1234 if ((def = NCONF_get_string(req_conf, attr_sect, buf))
1240 if (!join(buf, sizeof(buf), type, "_value", "Name"))
1242 if ((value = NCONF_get_string(req_conf, attr_sect, buf))
1248 if (!join(buf, sizeof(buf), type, "_min", "Name"))
1250 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_min)) {
1255 if (!join(buf, sizeof(buf), type, "_max", "Name"))
1257 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_max)) {
1262 if (!add_attribute_object(req,
1263 v->value, def, value, nid, n_min,
1269 BIO_printf(bio_err, "No template, please set one up.\n");
1277 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1278 STACK_OF(CONF_VALUE) *attr_sk, int attribs,
1279 unsigned long chtype)
1281 int i, spec_char, plus_char;
1287 subj = X509_REQ_get_subject_name(req);
1289 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) {
1291 v = sk_CONF_VALUE_value(dn_sk, i);
1295 * Skip past any leading X. X: X, etc to allow for multiple instances
1297 for (p = v->name; *p; p++) {
1298 #ifndef CHARSET_EBCDIC
1299 spec_char = (*p == ':' || *p == ',' || *p == '.');
1301 spec_char = (*p == os_toascii[':'] || *p == os_toascii[',']
1302 || *p == os_toascii['.']);
1311 #ifndef CHARSET_EBCDIC
1312 plus_char = (*type == '+');
1314 plus_char = (*type == os_toascii['+']);
1322 if (!X509_NAME_add_entry_by_txt(subj, type, chtype,
1323 (unsigned char *)v->value, -1, -1,
1329 if (!X509_NAME_entry_count(subj)) {
1330 BIO_printf(bio_err, "Error: No objects specified in config file\n");
1334 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) {
1335 v = sk_CONF_VALUE_value(attr_sk, i);
1336 if (!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1337 (unsigned char *)v->value, -1))
1344 static int add_DN_object(X509_NAME *n, char *text, const char *def,
1345 char *value, int nid, int n_min, int n_max,
1346 unsigned long chtype, int mval)
1351 ret = build_data(text, def, value, n_min, n_max, buf, sizeof(buf),
1352 "DN value", "DN default");
1353 if ((ret == 0) || (ret == 1))
1357 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1358 (unsigned char *)buf, -1, -1, mval))
1364 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1365 char *value, int nid, int n_min,
1366 int n_max, unsigned long chtype)
1371 ret = build_data(text, def, value, n_min, n_max, buf, sizeof(buf),
1372 "Attribute value", "Attribute default");
1373 if ((ret == 0) || (ret == 1))
1377 if (!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1378 (unsigned char *)buf, -1)) {
1379 BIO_printf(bio_err, "Error adding attribute\n");
1386 static int build_data(char *text, const char *def, char *value,
1387 int n_min, int n_max, char *buf, const int buf_size,
1388 const char *desc1, const char *desc2)
1393 BIO_printf(bio_err, "%s [%s]:", text, def);
1394 (void)BIO_flush(bio_err);
1395 if (value != NULL) {
1396 if (!join(buf, buf_size, value, "\n", desc1))
1398 BIO_printf(bio_err, "%s\n", value);
1402 if (!fgets(buf, buf_size, stdin))
1412 if (buf[0] == '\n') {
1413 if ((def == NULL) || (def[0] == '\0'))
1415 if (!join(buf, buf_size, def, "\n", desc2))
1417 } else if ((buf[0] == '.') && (buf[1] == '\n')) {
1422 if (buf[i - 1] != '\n') {
1423 BIO_printf(bio_err, "Missing newline at end of input\n");
1427 #ifdef CHARSET_EBCDIC
1428 ebcdic2ascii(buf, buf, i);
1430 if (!req_check_len(i, n_min, n_max)) {
1438 static int req_check_len(int len, int n_min, int n_max)
1440 if (n_min > 0 && len < n_min) {
1442 "String too short, must be at least %d bytes long\n", n_min);
1445 if (n_max >= 0 && len > n_max) {
1447 "String too long, must be at most %d bytes long\n", n_max);
1453 /* Check if the end of a string matches 'end' */
1454 static int check_end(const char *str, const char *end)
1463 tmp = str + slen - elen;
1464 return strcmp(tmp, end);
1468 * Merge the two strings together into the result buffer checking for
1469 * overflow and producing an error message if there is.
1471 static int join(char buf[], size_t buf_size, const char *name,
1472 const char *tail, const char *desc)
1474 const size_t name_len = strlen(name), tail_len = strlen(tail);
1476 if (name_len + tail_len + 1 > buf_size) {
1477 BIO_printf(bio_err, "%s '%s' too long\n", desc, name);
1480 memcpy(buf, name, name_len);
1481 memcpy(buf + name_len, tail, tail_len + 1);
1485 static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
1486 char **pkeytype, long *pkeylen,
1487 ENGINE *keygen_engine)
1489 EVP_PKEY_CTX *gctx = NULL;
1490 EVP_PKEY *param = NULL;
1493 const char *keytype = NULL;
1494 size_t keytypelen = 0;
1495 int expect_paramfile = 0;
1496 const char *paramfile = NULL;
1498 /* Treat the first part of gstr, and only that */
1501 * Special case: when no string given, default to RSA and the
1502 * key length given by |*pkeylen|.
1506 } else if (gstr[0] >= '0' && gstr[0] <= '9') {
1507 /* Special case: only keylength given from string, so default to RSA */
1509 /* The second part treatment will do the rest */
1511 const char *p = strchr(gstr, ':');
1519 if (strncmp(gstr, "param", len) == 0) {
1520 expect_paramfile = 1;
1527 gstr = gstr + len + 1;
1532 /* Treat the second part of gstr, if there is one */
1534 /* If the second part starts with a digit, we assume it's a size */
1535 if (!expect_paramfile && gstr[0] >= '0' && gstr[0] <= '9')
1536 keylen = atol(gstr);
1541 if (paramfile != NULL) {
1542 pbio = BIO_new_file(paramfile, "r");
1544 BIO_printf(bio_err, "Cannot open parameter file %s\n", paramfile);
1547 param = PEM_read_bio_Parameters(pbio, NULL);
1549 if (param == NULL) {
1552 (void)BIO_reset(pbio);
1553 x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1555 param = X509_get_pubkey(x);
1562 if (param == NULL) {
1563 BIO_printf(bio_err, "Error reading parameter file %s\n", paramfile);
1566 if (keytype == NULL) {
1567 keytype = EVP_PKEY_get0_type_name(param);
1572 *pkeytype = OPENSSL_strndup(keytype, keytypelen);
1574 *pkeytype = OPENSSL_strdup(keytype);
1577 if (param != NULL) {
1578 if (!EVP_PKEY_is_a(param, *pkeytype)) {
1579 BIO_printf(bio_err, "Key type does not match parameters\n");
1580 EVP_PKEY_free(param);
1584 if (keygen_engine != NULL)
1585 gctx = EVP_PKEY_CTX_new(param, keygen_engine);
1587 gctx = EVP_PKEY_CTX_new_from_pkey(app_get0_libctx(),
1588 param, app_get0_propq());
1589 *pkeylen = EVP_PKEY_bits(param);
1590 EVP_PKEY_free(param);
1592 if (keygen_engine != NULL) {
1593 int pkey_id = get_legacy_pkey_id(app_get0_libctx(), keytype,
1596 if (pkey_id != NID_undef)
1597 gctx = EVP_PKEY_CTX_new_id(pkey_id, keygen_engine);
1599 gctx = EVP_PKEY_CTX_new_from_name(app_get0_libctx(),
1600 keytype, app_get0_propq());
1605 BIO_puts(bio_err, "Error allocating keygen context\n");
1609 if (EVP_PKEY_keygen_init(gctx) <= 0) {
1610 BIO_puts(bio_err, "Error initializing keygen context\n");
1611 EVP_PKEY_CTX_free(gctx);
1615 OSSL_PARAM params[] = { OSSL_PARAM_END, OSSL_PARAM_END };
1616 size_t bits = keylen;
1619 OSSL_PARAM_construct_size_t(OSSL_PKEY_PARAM_BITS, &bits);
1620 if (EVP_PKEY_CTX_set_params(gctx, params) <= 0) {
1621 BIO_puts(bio_err, "Error setting keysize\n");
1622 EVP_PKEY_CTX_free(gctx);
1630 static int genpkey_cb(EVP_PKEY_CTX *ctx)
1633 BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1635 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1644 BIO_write(b, &c, 1);