2 * Copyright 1995-2018 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/bio.h>
18 #include <openssl/evp.h>
19 #include <openssl/conf.h>
20 #include <openssl/err.h>
21 #include <openssl/asn1.h>
22 #include <openssl/x509.h>
23 #include <openssl/x509v3.h>
24 #include <openssl/objects.h>
25 #include <openssl/pem.h>
26 #include <openssl/bn.h>
27 #include <openssl/lhash.h>
28 #ifndef OPENSSL_NO_RSA
29 # include <openssl/rsa.h>
31 #ifndef OPENSSL_NO_DSA
32 # include <openssl/dsa.h>
37 #define BITS "default_bits"
38 #define KEYFILE "default_keyfile"
39 #define PROMPT "prompt"
40 #define DISTINGUISHED_NAME "distinguished_name"
41 #define ATTRIBUTES "attributes"
42 #define V3_EXTENSIONS "x509_extensions"
43 #define REQ_EXTENSIONS "req_extensions"
44 #define STRING_MASK "string_mask"
45 #define UTF8_IN "utf8"
47 #define DEFAULT_KEY_LENGTH 2048
48 #define MIN_KEY_LENGTH 512
50 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *dn, int mutlirdn,
51 int attribs, unsigned long chtype);
52 static int build_subject(X509_REQ *req, const char *subj, unsigned long chtype,
54 static int prompt_info(X509_REQ *req,
55 STACK_OF(CONF_VALUE) *dn_sk, const char *dn_sect,
56 STACK_OF(CONF_VALUE) *attr_sk, const char *attr_sect,
57 int attribs, unsigned long chtype);
58 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *sk,
59 STACK_OF(CONF_VALUE) *attr, int attribs,
60 unsigned long chtype);
61 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
62 char *value, int nid, int n_min, int n_max,
63 unsigned long chtype);
64 static int add_DN_object(X509_NAME *n, char *text, const char *def,
65 char *value, int nid, int n_min, int n_max,
66 unsigned long chtype, int mval);
67 static int genpkey_cb(EVP_PKEY_CTX *ctx);
68 static int build_data(char *text, const char *def,
69 char *value, int n_min, int n_max,
70 char *buf, const int buf_size,
71 const char *desc1, const char *desc2
73 static int req_check_len(int len, int n_min, int n_max);
74 static int check_end(const char *str, const char *end);
75 static int join(char buf[], size_t buf_size, const char *name,
76 const char *tail, const char *desc);
77 static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
78 int *pkey_type, long *pkeylen,
79 char **palgnam, ENGINE *keygen_engine);
80 static CONF *req_conf = NULL;
81 static CONF *addext_conf = NULL;
84 typedef enum OPTION_choice {
85 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
86 OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_KEYGEN_ENGINE, OPT_KEY,
87 OPT_PUBKEY, OPT_NEW, OPT_CONFIG, OPT_KEYFORM, OPT_IN, OPT_OUT,
88 OPT_KEYOUT, OPT_PASSIN, OPT_PASSOUT, OPT_NEWKEY,
89 OPT_PKEYOPT, OPT_SIGOPT, OPT_BATCH, OPT_NEWHDR, OPT_MODULUS,
90 OPT_VERIFY, OPT_NODES, OPT_NOOUT, OPT_VERBOSE, OPT_UTF8,
91 OPT_NAMEOPT, OPT_REQOPT, OPT_SUBJ, OPT_SUBJECT, OPT_TEXT, OPT_X509,
92 OPT_MULTIVALUE_RDN, OPT_DAYS, OPT_SET_SERIAL, OPT_ADDEXT, OPT_EXTENSIONS,
93 OPT_REQEXTS, OPT_PRECERT, OPT_MD, OPT_SM2ID, OPT_SM2HEXID,
97 const OPTIONS req_options[] = {
98 {"help", OPT_HELP, '-', "Display this summary"},
99 {"inform", OPT_INFORM, 'F', "Input format - DER or PEM"},
100 {"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"},
101 {"in", OPT_IN, '<', "Input file"},
102 {"out", OPT_OUT, '>', "Output file"},
103 {"key", OPT_KEY, 's', "Private key to use"},
104 {"keyform", OPT_KEYFORM, 'f', "Key file format"},
105 {"pubkey", OPT_PUBKEY, '-', "Output public key"},
106 {"new", OPT_NEW, '-', "New request"},
107 {"config", OPT_CONFIG, '<', "Request template file"},
108 {"keyout", OPT_KEYOUT, '>', "File to send the key to"},
109 {"passin", OPT_PASSIN, 's', "Private key password source"},
110 {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
112 {"newkey", OPT_NEWKEY, 's', "Specify as type:bits"},
113 {"pkeyopt", OPT_PKEYOPT, 's', "Public key options as opt:value"},
114 {"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"},
115 {"batch", OPT_BATCH, '-',
116 "Do not ask anything during request generation"},
117 {"newhdr", OPT_NEWHDR, '-', "Output \"NEW\" in the header lines"},
118 {"modulus", OPT_MODULUS, '-', "RSA modulus"},
119 {"verify", OPT_VERIFY, '-', "Verify signature on REQ"},
120 {"nodes", OPT_NODES, '-', "Don't encrypt the output key"},
121 {"noout", OPT_NOOUT, '-', "Do not output REQ"},
122 {"verbose", OPT_VERBOSE, '-', "Verbose output"},
123 {"utf8", OPT_UTF8, '-', "Input characters are UTF8 (default ASCII)"},
124 {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"},
125 {"reqopt", OPT_REQOPT, 's', "Various request text options"},
126 {"text", OPT_TEXT, '-', "Text form of request"},
127 {"x509", OPT_X509, '-',
128 "Output a x509 structure instead of a cert request"},
129 {OPT_MORE_STR, 1, 1, "(Required by some CA's)"},
130 {"subj", OPT_SUBJ, 's', "Set or modify request subject"},
131 {"subject", OPT_SUBJECT, '-', "Output the request's subject"},
132 {"multivalue-rdn", OPT_MULTIVALUE_RDN, '-',
133 "Enable support for multivalued RDNs"},
134 {"days", OPT_DAYS, 'p', "Number of days cert is valid for"},
135 {"set_serial", OPT_SET_SERIAL, 's', "Serial number to use"},
136 {"addext", OPT_ADDEXT, 's',
137 "Additional cert extension key=value pair (may be given more than once)"},
138 {"extensions", OPT_EXTENSIONS, 's',
139 "Cert extension section (override value in config file)"},
140 {"reqexts", OPT_REQEXTS, 's',
141 "Request extension section (override value in config file)"},
142 {"precert", OPT_PRECERT, '-', "Add a poison extension (implies -new)"},
143 {"", OPT_MD, '-', "Any supported digest"},
144 #ifndef OPENSSL_NO_ENGINE
145 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
146 {"keygen_engine", OPT_KEYGEN_ENGINE, 's',
147 "Specify engine to be used for key generation operations"},
149 #ifndef OPENSSL_NO_SM2
150 {"sm2-id", OPT_SM2ID, 's',
151 "Specify an ID string to verify an SM2 certificate request"},
152 {"sm2-hex-id", OPT_SM2HEXID, 's',
153 "Specify a hex ID string to verify an SM2 certificate request"},
160 * An LHASH of strings, where each string is an extension name.
162 static unsigned long ext_name_hash(const OPENSSL_STRING *a)
164 return OPENSSL_LH_strhash((const char *)a);
167 static int ext_name_cmp(const OPENSSL_STRING *a, const OPENSSL_STRING *b)
169 return strcmp((const char *)a, (const char *)b);
172 static void exts_cleanup(OPENSSL_STRING *x)
174 OPENSSL_free((char *)x);
178 * Is the |kv| key already duplicated? This is remarkably tricky to get
179 * right. Return 0 if unique, -1 on runtime error; 1 if found or a syntax
182 static int duplicated(LHASH_OF(OPENSSL_STRING) *addexts, char *kv)
188 /* Skip leading whitespace, make a copy. */
189 while (*kv && isspace(*kv))
192 if ((p = strchr(kv, '=')) == NULL)
195 if ((kv = OPENSSL_strdup(kv)) == NULL)
198 /* Skip trailing space before the equal sign. */
199 for (p = kv + off; p > kv; --p)
208 /* Finally have a clean "key"; see if it's there [by attempt to add it]. */
209 if ((p = (char *)lh_OPENSSL_STRING_insert(addexts, (OPENSSL_STRING*)kv))
210 != NULL || lh_OPENSSL_STRING_error(addexts)) {
211 OPENSSL_free(p != NULL ? p : kv);
218 int req_main(int argc, char **argv)
220 ASN1_INTEGER *serial = NULL;
221 BIO *in = NULL, *out = NULL;
222 ENGINE *e = NULL, *gen_eng = NULL;
223 EVP_PKEY *pkey = NULL;
224 EVP_PKEY_CTX *genctx = NULL;
225 STACK_OF(OPENSSL_STRING) *pkeyopts = NULL, *sigopts = NULL;
226 LHASH_OF(OPENSSL_STRING) *addexts = NULL;
228 X509_REQ *req = NULL;
229 const EVP_CIPHER *cipher = NULL;
230 const EVP_MD *md_alg = NULL, *digest = NULL;
231 BIO *addext_bio = NULL;
232 char *extensions = NULL, *infile = NULL;
233 char *outfile = NULL, *keyfile = NULL;
234 char *keyalgstr = NULL, *p, *prog, *passargin = NULL, *passargout = NULL;
235 char *passin = NULL, *passout = NULL;
236 char *nofree_passin = NULL, *nofree_passout = NULL;
237 char *req_exts = NULL, *subj = NULL;
238 char *template = default_config_file, *keyout = NULL;
239 const char *keyalg = NULL;
241 int ret = 1, x509 = 0, days = 0, i = 0, newreq = 0, verbose = 0;
242 int pkey_type = -1, private = 0;
243 int informat = FORMAT_PEM, outformat = FORMAT_PEM, keyform = FORMAT_PEM;
244 int modulus = 0, multirdn = 0, verify = 0, noout = 0, text = 0;
245 int nodes = 0, newhdr = 0, subject = 0, pubkey = 0, precert = 0;
247 unsigned long chtype = MBSTRING_ASC, reqflag = 0;
248 unsigned char *sm2_id = NULL;
249 size_t sm2_idlen = 0;
252 #ifndef OPENSSL_NO_DES
253 cipher = EVP_des_ede3_cbc();
256 prog = opt_init(argc, argv, req_options);
257 while ((o = opt_next()) != OPT_EOF) {
262 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
265 opt_help(req_options);
269 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
273 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
277 e = setup_engine(opt_arg(), 0);
279 case OPT_KEYGEN_ENGINE:
280 #ifndef OPENSSL_NO_ENGINE
281 gen_eng = ENGINE_by_id(opt_arg());
282 if (gen_eng == NULL) {
283 BIO_printf(bio_err, "Can't find keygen engine %s\n", *argv);
298 template = opt_arg();
301 if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform))
314 passargin = opt_arg();
317 passargout = opt_arg();
329 pkeyopts = sk_OPENSSL_STRING_new_null();
330 if (!pkeyopts || !sk_OPENSSL_STRING_push(pkeyopts, opt_arg()))
335 sigopts = sk_OPENSSL_STRING_new_null();
336 if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg()))
361 chtype = MBSTRING_UTF8;
364 if (!set_nameopt(opt_arg()))
368 if (!set_cert_ex(&reqflag, opt_arg()))
378 days = atoi(opt_arg());
381 if (serial != NULL) {
382 BIO_printf(bio_err, "Serial number supplied twice\n");
385 serial = s2i_ASN1_INTEGER(NULL, opt_arg());
395 case OPT_MULTIVALUE_RDN:
400 if (addexts == NULL) {
401 addexts = lh_OPENSSL_STRING_new(ext_name_hash, ext_name_cmp);
402 addext_bio = BIO_new(BIO_s_mem());
403 if (addexts == NULL || addext_bio == NULL)
406 i = duplicated(addexts, p);
409 if (i < 0 || BIO_printf(addext_bio, "%s\n", opt_arg()) < 0)
413 extensions = opt_arg();
416 req_exts = opt_arg();
419 newreq = precert = 1;
422 if (!opt_md(opt_unknown(), &md_alg))
427 if (sm2_id != NULL) {
429 "Use one of the options 'sm2-hex-id' or 'sm2-id'\n");
432 sm2_id = (unsigned char *)opt_arg();
433 sm2_idlen = strlen((const char *)sm2_id);
436 if (sm2_id != NULL) {
438 "Use one of the options 'sm2-hex-id' or 'sm2-id'\n");
441 /* try to parse the input as hex string first */
443 sm2_id = OPENSSL_hexstr2buf(opt_arg(), (long *)&sm2_idlen);
444 if (sm2_id == NULL) {
445 BIO_printf(bio_err, "Invalid hex string input\n");
451 argc = opt_num_rest();
456 BIO_printf(bio_err, "Ignoring -days; not generating a certificate\n");
457 if (x509 && infile == NULL)
460 /* TODO: simplify this as pkey is still always NULL here */
461 private = newreq && (pkey == NULL) ? 1 : 0;
463 if (!app_passwd(passargin, passargout, &passin, &passout)) {
464 BIO_printf(bio_err, "Error getting passwords\n");
469 BIO_printf(bio_err, "Using configuration from %s\n", template);
470 req_conf = app_load_config(template);
474 "Using additional configuration from command line\n");
475 addext_conf = app_load_config_bio(addext_bio, NULL);
477 if (template != default_config_file && !app_load_modules(req_conf))
480 if (req_conf != NULL) {
481 p = NCONF_get_string(req_conf, NULL, "oid_file");
487 oid_bio = BIO_new_file(p, "r");
488 if (oid_bio == NULL) {
490 BIO_printf(bio_err,"problems opening %s for extra oid's\n",p);
491 ERR_print_errors(bio_err);
494 OBJ_create_objects(oid_bio);
499 if (!add_oid_section(req_conf))
502 if (md_alg == NULL) {
503 p = NCONF_get_string(req_conf, SECTION, "default_md");
507 if (!opt_md(p, &md_alg))
513 if (extensions == NULL) {
514 extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
515 if (extensions == NULL)
518 if (extensions != NULL) {
519 /* Check syntax of file */
521 X509V3_set_ctx_test(&ctx);
522 X509V3_set_nconf(&ctx, req_conf);
523 if (!X509V3_EXT_add_nconf(req_conf, &ctx, extensions, NULL)) {
525 "Error Loading extension section %s\n", extensions);
529 if (addext_conf != NULL) {
530 /* Check syntax of command line extensions */
532 X509V3_set_ctx_test(&ctx);
533 X509V3_set_nconf(&ctx, addext_conf);
534 if (!X509V3_EXT_add_nconf(addext_conf, &ctx, "default", NULL)) {
535 BIO_printf(bio_err, "Error Loading command line extensions\n");
540 if (passin == NULL) {
541 passin = nofree_passin =
542 NCONF_get_string(req_conf, SECTION, "input_password");
547 if (passout == NULL) {
548 passout = nofree_passout =
549 NCONF_get_string(req_conf, SECTION, "output_password");
554 p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
558 if (p != NULL && !ASN1_STRING_set_default_mask_asc(p)) {
559 BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
563 if (chtype != MBSTRING_UTF8) {
564 p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
567 else if (strcmp(p, "yes") == 0)
568 chtype = MBSTRING_UTF8;
571 if (req_exts == NULL) {
572 req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
573 if (req_exts == NULL)
576 if (req_exts != NULL) {
577 /* Check syntax of file */
579 X509V3_set_ctx_test(&ctx);
580 X509V3_set_nconf(&ctx, req_conf);
581 if (!X509V3_EXT_add_nconf(req_conf, &ctx, req_exts, NULL)) {
583 "Error Loading request extension section %s\n",
589 if (keyfile != NULL) {
590 pkey = load_key(keyfile, keyform, 0, passin, e, "Private Key");
592 /* load_key() has already printed an appropriate message */
595 app_RAND_load_conf(req_conf, SECTION);
599 if (newreq && (pkey == NULL)) {
600 app_RAND_load_conf(req_conf, SECTION);
602 if (!NCONF_get_number(req_conf, SECTION, BITS, &newkey)) {
603 newkey = DEFAULT_KEY_LENGTH;
606 if (keyalg != NULL) {
607 genctx = set_keygen_ctx(keyalg, &pkey_type, &newkey,
608 &keyalgstr, gen_eng);
613 if (newkey < MIN_KEY_LENGTH
614 && (pkey_type == EVP_PKEY_RSA || pkey_type == EVP_PKEY_DSA)) {
615 BIO_printf(bio_err, "private key length is too short,\n");
616 BIO_printf(bio_err, "it needs to be at least %d bits, not %ld\n",
617 MIN_KEY_LENGTH, newkey);
621 if (pkey_type == EVP_PKEY_RSA && newkey > OPENSSL_RSA_MAX_MODULUS_BITS)
623 "Warning: It is not recommended to use more than %d bit for RSA keys.\n"
624 " Your key size is %ld! Larger key size may behave not as expected.\n",
625 OPENSSL_RSA_MAX_MODULUS_BITS, newkey);
627 #ifndef OPENSSL_NO_DSA
628 if (pkey_type == EVP_PKEY_DSA && newkey > OPENSSL_DSA_MAX_MODULUS_BITS)
630 "Warning: It is not recommended to use more than %d bit for DSA keys.\n"
631 " Your key size is %ld! Larger key size may behave not as expected.\n",
632 OPENSSL_DSA_MAX_MODULUS_BITS, newkey);
635 if (genctx == NULL) {
636 genctx = set_keygen_ctx(NULL, &pkey_type, &newkey,
637 &keyalgstr, gen_eng);
642 if (pkeyopts != NULL) {
644 for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) {
645 genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
646 if (pkey_ctrl_string(genctx, genopt) <= 0) {
647 BIO_printf(bio_err, "parameter error \"%s\"\n", genopt);
648 ERR_print_errors(bio_err);
654 if (pkey_type == EVP_PKEY_EC) {
655 BIO_printf(bio_err, "Generating an EC private key\n");
657 BIO_printf(bio_err, "Generating a %s private key\n", keyalgstr);
660 EVP_PKEY_CTX_set_cb(genctx, genpkey_cb);
661 EVP_PKEY_CTX_set_app_data(genctx, bio_err);
663 if (EVP_PKEY_keygen(genctx, &pkey) <= 0) {
664 BIO_puts(bio_err, "Error Generating Key\n");
668 EVP_PKEY_CTX_free(genctx);
671 if (keyout == NULL) {
672 keyout = NCONF_get_string(req_conf, SECTION, KEYFILE);
678 BIO_printf(bio_err, "writing new private key to stdout\n");
680 BIO_printf(bio_err, "writing new private key to '%s'\n", keyout);
681 out = bio_open_owner(keyout, outformat, private);
685 p = NCONF_get_string(req_conf, SECTION, "encrypt_rsa_key");
688 p = NCONF_get_string(req_conf, SECTION, "encrypt_key");
692 if ((p != NULL) && (strcmp(p, "no") == 0))
700 if (!PEM_write_bio_PrivateKey(out, pkey, cipher,
701 NULL, 0, NULL, passout)) {
702 if ((ERR_GET_REASON(ERR_peek_error()) ==
703 PEM_R_PROBLEMS_GETTING_PASSWORD) && (i < 3)) {
712 BIO_printf(bio_err, "-----\n");
716 in = bio_open_default(infile, 'r', informat);
720 if (informat == FORMAT_ASN1)
721 req = d2i_X509_REQ_bio(in, NULL);
723 req = PEM_read_bio_X509_REQ(in, NULL, NULL, NULL);
725 BIO_printf(bio_err, "unable to load X509 request\n");
730 if (newreq || x509) {
732 BIO_printf(bio_err, "you need to specify a private key\n");
737 req = X509_REQ_new();
742 i = make_REQ(req, pkey, subj, multirdn, !x509, chtype);
743 subj = NULL; /* done processing '-subj' option */
745 BIO_printf(bio_err, "problems making Certificate Request\n");
752 if ((x509ss = X509_new()) == NULL)
755 /* Set version to V3 */
756 if ((extensions != NULL || addext_conf != NULL)
757 && !X509_set_version(x509ss, 2))
759 if (serial != NULL) {
760 if (!X509_set_serialNumber(x509ss, serial))
763 if (!rand_serial(NULL, X509_get_serialNumber(x509ss)))
767 if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req)))
770 /* set default days if it's not specified */
773 if (!set_cert_times(x509ss, NULL, NULL, days))
775 if (!X509_set_subject_name
776 (x509ss, X509_REQ_get_subject_name(req)))
778 tmppkey = X509_REQ_get0_pubkey(req);
779 if (!tmppkey || !X509_set_pubkey(x509ss, tmppkey))
782 /* Set up V3 context struct */
784 X509V3_set_ctx(&ext_ctx, x509ss, x509ss, NULL, NULL, 0);
785 X509V3_set_nconf(&ext_ctx, req_conf);
788 if (extensions != NULL && !X509V3_EXT_add_nconf(req_conf,
789 &ext_ctx, extensions,
791 BIO_printf(bio_err, "Error Loading extension section %s\n",
795 if (addext_conf != NULL
796 && !X509V3_EXT_add_nconf(addext_conf, &ext_ctx, "default",
798 BIO_printf(bio_err, "Error Loading command line extensions\n");
802 /* If a pre-cert was requested, we need to add a poison extension */
804 if (X509_add1_ext_i2d(x509ss, NID_ct_precert_poison, NULL, 1, 0)
806 BIO_printf(bio_err, "Error adding poison extension\n");
811 i = do_X509_sign(x509ss, pkey, digest, sigopts);
813 ERR_print_errors(bio_err);
819 /* Set up V3 context struct */
821 X509V3_set_ctx(&ext_ctx, NULL, NULL, req, NULL, 0);
822 X509V3_set_nconf(&ext_ctx, req_conf);
826 && !X509V3_EXT_REQ_add_nconf(req_conf, &ext_ctx,
828 BIO_printf(bio_err, "Error Loading extension section %s\n",
832 if (addext_conf != NULL
833 && !X509V3_EXT_REQ_add_nconf(addext_conf, &ext_ctx, "default",
835 BIO_printf(bio_err, "Error Loading command line extensions\n");
838 i = do_X509_REQ_sign(req, pkey, digest, sigopts);
840 ERR_print_errors(bio_err);
847 BIO_printf(bio_err, "Cannot modify certificate subject\n");
853 BIO_printf(bio_err, "Modifying Request's Subject\n");
854 print_name(bio_err, "old subject=",
855 X509_REQ_get_subject_name(req), get_nameopt());
858 if (build_subject(req, subj, chtype, multirdn) == 0) {
859 BIO_printf(bio_err, "ERROR: cannot modify subject\n");
865 print_name(bio_err, "new subject=",
866 X509_REQ_get_subject_name(req), get_nameopt());
870 if (verify && !x509) {
871 EVP_PKEY *tpubkey = pkey;
873 if (tpubkey == NULL) {
874 tpubkey = X509_REQ_get0_pubkey(req);
879 if (sm2_id != NULL) {
880 #ifndef OPENSSL_NO_SM2
881 ASN1_OCTET_STRING *v;
883 v = ASN1_OCTET_STRING_new();
885 BIO_printf(bio_err, "error: SM2 ID allocation failed\n");
889 if (!ASN1_OCTET_STRING_set(v, sm2_id, sm2_idlen)) {
890 BIO_printf(bio_err, "error: setting SM2 ID failed\n");
891 ASN1_OCTET_STRING_free(v);
895 X509_REQ_set0_sm2_id(req, v);
899 i = X509_REQ_verify(req, tpubkey);
904 BIO_printf(bio_err, "verify failure\n");
905 ERR_print_errors(bio_err);
906 } else { /* if (i > 0) */
907 BIO_printf(bio_err, "verify OK\n");
911 if (noout && !text && !modulus && !subject && !pubkey) {
916 out = bio_open_default(outfile,
917 keyout != NULL && outfile != NULL &&
918 strcmp(keyout, outfile) == 0 ? 'a' : 'w',
924 EVP_PKEY *tpubkey = X509_REQ_get0_pubkey(req);
926 if (tpubkey == NULL) {
927 BIO_printf(bio_err, "Error getting public key\n");
928 ERR_print_errors(bio_err);
931 PEM_write_bio_PUBKEY(out, tpubkey);
936 ret = X509_print_ex(out, x509ss, get_nameopt(), reqflag);
938 ret = X509_REQ_print_ex(out, req, get_nameopt(), reqflag);
942 BIO_printf(bio_err, "Error printing certificate\n");
944 BIO_printf(bio_err, "Error printing certificate request\n");
946 ERR_print_errors(bio_err);
953 print_name(out, "subject=", X509_get_subject_name(x509ss),
956 print_name(out, "subject=", X509_REQ_get_subject_name(req),
964 tpubkey = X509_get0_pubkey(x509ss);
966 tpubkey = X509_REQ_get0_pubkey(req);
967 if (tpubkey == NULL) {
968 fprintf(stdout, "Modulus=unavailable\n");
971 fprintf(stdout, "Modulus=");
972 #ifndef OPENSSL_NO_RSA
973 if (EVP_PKEY_base_id(tpubkey) == EVP_PKEY_RSA) {
975 RSA_get0_key(EVP_PKEY_get0_RSA(tpubkey), &n, NULL, NULL);
979 fprintf(stdout, "Wrong Algorithm type");
980 fprintf(stdout, "\n");
983 if (!noout && !x509) {
984 if (outformat == FORMAT_ASN1)
985 i = i2d_X509_REQ_bio(out, req);
987 i = PEM_write_bio_X509_REQ_NEW(out, req);
989 i = PEM_write_bio_X509_REQ(out, req);
991 BIO_printf(bio_err, "unable to write X509 request\n");
995 if (!noout && x509 && (x509ss != NULL)) {
996 if (outformat == FORMAT_ASN1)
997 i = i2d_X509_bio(out, x509ss);
999 i = PEM_write_bio_X509(out, x509ss);
1001 BIO_printf(bio_err, "unable to write X509 certificate\n");
1008 OPENSSL_free(sm2_id);
1010 ERR_print_errors(bio_err);
1012 NCONF_free(req_conf);
1013 NCONF_free(addext_conf);
1014 BIO_free(addext_bio);
1017 EVP_PKEY_free(pkey);
1018 EVP_PKEY_CTX_free(genctx);
1019 sk_OPENSSL_STRING_free(pkeyopts);
1020 sk_OPENSSL_STRING_free(sigopts);
1021 lh_OPENSSL_STRING_doall(addexts, exts_cleanup);
1022 lh_OPENSSL_STRING_free(addexts);
1023 #ifndef OPENSSL_NO_ENGINE
1024 ENGINE_free(gen_eng);
1026 OPENSSL_free(keyalgstr);
1029 ASN1_INTEGER_free(serial);
1031 if (passin != nofree_passin)
1032 OPENSSL_free(passin);
1033 if (passout != nofree_passout)
1034 OPENSSL_free(passout);
1038 static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
1039 int attribs, unsigned long chtype)
1043 STACK_OF(CONF_VALUE) *dn_sk, *attr_sk = NULL;
1044 char *tmp, *dn_sect, *attr_sect;
1046 tmp = NCONF_get_string(req_conf, SECTION, PROMPT);
1049 if ((tmp != NULL) && strcmp(tmp, "no") == 0)
1052 dn_sect = NCONF_get_string(req_conf, SECTION, DISTINGUISHED_NAME);
1053 if (dn_sect == NULL) {
1054 BIO_printf(bio_err, "unable to find '%s' in config\n",
1055 DISTINGUISHED_NAME);
1058 dn_sk = NCONF_get_section(req_conf, dn_sect);
1059 if (dn_sk == NULL) {
1060 BIO_printf(bio_err, "unable to get '%s' section\n", dn_sect);
1064 attr_sect = NCONF_get_string(req_conf, SECTION, ATTRIBUTES);
1065 if (attr_sect == NULL) {
1069 attr_sk = NCONF_get_section(req_conf, attr_sect);
1070 if (attr_sk == NULL) {
1071 BIO_printf(bio_err, "unable to get '%s' section\n", attr_sect);
1076 /* setup version number */
1077 if (!X509_REQ_set_version(req, 0L))
1078 goto err; /* version 1 */
1081 i = build_subject(req, subj, chtype, multirdn);
1083 i = auto_info(req, dn_sk, attr_sk, attribs, chtype);
1085 i = prompt_info(req, dn_sk, dn_sect, attr_sk, attr_sect, attribs,
1090 if (!X509_REQ_set_pubkey(req, pkey))
1099 * subject is expected to be in the format /type0=value0/type1=value1/type2=...
1100 * where characters may be escaped by \
1102 static int build_subject(X509_REQ *req, const char *subject, unsigned long chtype,
1107 if ((n = parse_name(subject, chtype, multirdn)) == NULL)
1110 if (!X509_REQ_set_subject_name(req, n)) {
1118 static int prompt_info(X509_REQ *req,
1119 STACK_OF(CONF_VALUE) *dn_sk, const char *dn_sect,
1120 STACK_OF(CONF_VALUE) *attr_sk, const char *attr_sect,
1121 int attribs, unsigned long chtype)
1132 subj = X509_REQ_get_subject_name(req);
1136 "You are about to be asked to enter information that will be incorporated\n");
1137 BIO_printf(bio_err, "into your certificate request.\n");
1139 "What you are about to enter is what is called a Distinguished Name or a DN.\n");
1141 "There are quite a few fields but you can leave some blank\n");
1143 "For some fields there will be a default value,\n");
1145 "If you enter '.', the field will be left blank.\n");
1146 BIO_printf(bio_err, "-----\n");
1149 if (sk_CONF_VALUE_num(dn_sk)) {
1154 if (sk_CONF_VALUE_num(dn_sk) <= i)
1157 v = sk_CONF_VALUE_value(dn_sk, i);
1160 if (!check_end(type, "_min") || !check_end(type, "_max") ||
1161 !check_end(type, "_default") || !check_end(type, "_value"))
1164 * Skip past any leading X. X: X, etc to allow for multiple
1167 for (p = v->name; *p; p++)
1168 if ((*p == ':') || (*p == ',') || (*p == '.')) {
1180 /* If OBJ not recognised ignore it */
1181 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1183 if (!join(buf, sizeof(buf), v->name, "_default", "Name"))
1185 if ((def = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1190 if (!join(buf, sizeof(buf), v->name, "_value", "Name"))
1192 if ((value = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
1197 if (!join(buf, sizeof(buf), v->name, "_min", "Name"))
1199 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_min)) {
1205 if (!join(buf, sizeof(buf), v->name, "_max", "Name"))
1207 if (!NCONF_get_number(req_conf, dn_sect, buf, &n_max)) {
1212 if (!add_DN_object(subj, v->value, def, value, nid,
1213 n_min, n_max, chtype, mval))
1216 if (X509_NAME_entry_count(subj) == 0) {
1218 "error, no objects specified in config file\n");
1223 if ((attr_sk != NULL) && (sk_CONF_VALUE_num(attr_sk) > 0)
1226 "\nPlease enter the following 'extra' attributes\n");
1228 "to be sent with your certificate request\n");
1235 if ((attr_sk == NULL) || (sk_CONF_VALUE_num(attr_sk) <= i))
1238 v = sk_CONF_VALUE_value(attr_sk, i);
1240 if ((nid = OBJ_txt2nid(type)) == NID_undef)
1243 if (!join(buf, sizeof(buf), type, "_default", "Name"))
1245 if ((def = NCONF_get_string(req_conf, attr_sect, buf))
1251 if (!join(buf, sizeof(buf), type, "_value", "Name"))
1253 if ((value = NCONF_get_string(req_conf, attr_sect, buf))
1259 if (!join(buf, sizeof(buf), type,"_min", "Name"))
1261 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_min)) {
1266 if (!join(buf, sizeof(buf), type, "_max", "Name"))
1268 if (!NCONF_get_number(req_conf, attr_sect, buf, &n_max)) {
1273 if (!add_attribute_object(req,
1274 v->value, def, value, nid, n_min,
1280 BIO_printf(bio_err, "No template, please set one up.\n");
1288 static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
1289 STACK_OF(CONF_VALUE) *attr_sk, int attribs,
1290 unsigned long chtype)
1292 int i, spec_char, plus_char;
1298 subj = X509_REQ_get_subject_name(req);
1300 for (i = 0; i < sk_CONF_VALUE_num(dn_sk); i++) {
1302 v = sk_CONF_VALUE_value(dn_sk, i);
1306 * Skip past any leading X. X: X, etc to allow for multiple instances
1308 for (p = v->name; *p; p++) {
1309 #ifndef CHARSET_EBCDIC
1310 spec_char = ((*p == ':') || (*p == ',') || (*p == '.'));
1312 spec_char = ((*p == os_toascii[':']) || (*p == os_toascii[','])
1313 || (*p == os_toascii['.']));
1322 #ifndef CHARSET_EBCDIC
1323 plus_char = (*type == '+');
1325 plus_char = (*type == os_toascii['+']);
1333 if (!X509_NAME_add_entry_by_txt(subj, type, chtype,
1334 (unsigned char *)v->value, -1, -1,
1340 if (!X509_NAME_entry_count(subj)) {
1341 BIO_printf(bio_err, "error, no objects specified in config file\n");
1345 for (i = 0; i < sk_CONF_VALUE_num(attr_sk); i++) {
1346 v = sk_CONF_VALUE_value(attr_sk, i);
1347 if (!X509_REQ_add1_attr_by_txt(req, v->name, chtype,
1348 (unsigned char *)v->value, -1))
1355 static int add_DN_object(X509_NAME *n, char *text, const char *def,
1356 char *value, int nid, int n_min, int n_max,
1357 unsigned long chtype, int mval)
1362 ret = build_data(text, def, value, n_min, n_max, buf, sizeof(buf),
1363 "DN value", "DN default");
1364 if ((ret == 0) || (ret == 1))
1368 if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
1369 (unsigned char *)buf, -1, -1, mval))
1375 static int add_attribute_object(X509_REQ *req, char *text, const char *def,
1376 char *value, int nid, int n_min,
1377 int n_max, unsigned long chtype)
1382 ret = build_data(text, def, value, n_min, n_max, buf, sizeof(buf),
1383 "Attribute value", "Attribute default");
1384 if ((ret == 0) || (ret == 1))
1388 if (!X509_REQ_add1_attr_by_NID(req, nid, chtype,
1389 (unsigned char *)buf, -1)) {
1390 BIO_printf(bio_err, "Error adding attribute\n");
1391 ERR_print_errors(bio_err);
1399 static int build_data(char *text, const char *def,
1400 char *value, int n_min, int n_max,
1401 char *buf, const int buf_size,
1402 const char *desc1, const char *desc2
1408 BIO_printf(bio_err, "%s [%s]:", text, def);
1409 (void)BIO_flush(bio_err);
1410 if (value != NULL) {
1411 if (!join(buf, buf_size, value, "\n", desc1))
1413 BIO_printf(bio_err, "%s\n", value);
1417 if (!fgets(buf, buf_size, stdin))
1427 if (buf[0] == '\n') {
1428 if ((def == NULL) || (def[0] == '\0'))
1430 if (!join(buf, buf_size, def, "\n", desc2))
1432 } else if ((buf[0] == '.') && (buf[1] == '\n')) {
1437 if (buf[i - 1] != '\n') {
1438 BIO_printf(bio_err, "weird input :-(\n");
1442 #ifdef CHARSET_EBCDIC
1443 ebcdic2ascii(buf, buf, i);
1445 if (!req_check_len(i, n_min, n_max)) {
1453 static int req_check_len(int len, int n_min, int n_max)
1455 if ((n_min > 0) && (len < n_min)) {
1457 "string is too short, it needs to be at least %d bytes long\n",
1461 if ((n_max >= 0) && (len > n_max)) {
1463 "string is too long, it needs to be no more than %d bytes long\n",
1470 /* Check if the end of a string matches 'end' */
1471 static int check_end(const char *str, const char *end)
1480 tmp = str + slen - elen;
1481 return strcmp(tmp, end);
1485 * Merge the two strings together into the result buffer checking for
1486 * overflow and producing an error message if there is.
1488 static int join(char buf[], size_t buf_size, const char *name,
1489 const char *tail, const char *desc)
1491 const size_t name_len = strlen(name), tail_len = strlen(tail);
1493 if (name_len + tail_len + 1 > buf_size) {
1494 BIO_printf(bio_err, "%s '%s' too long\n", desc, name);
1497 memcpy(buf, name, name_len);
1498 memcpy(buf + name_len, tail, tail_len + 1);
1502 static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
1503 int *pkey_type, long *pkeylen,
1504 char **palgnam, ENGINE *keygen_engine)
1506 EVP_PKEY_CTX *gctx = NULL;
1507 EVP_PKEY *param = NULL;
1510 const char *paramfile = NULL;
1513 *pkey_type = EVP_PKEY_RSA;
1515 } else if (gstr[0] >= '0' && gstr[0] <= '9') {
1516 *pkey_type = EVP_PKEY_RSA;
1517 keylen = atol(gstr);
1519 } else if (strncmp(gstr, "param:", 6) == 0) {
1520 paramfile = gstr + 6;
1522 const char *p = strchr(gstr, ':');
1525 const EVP_PKEY_ASN1_METHOD *ameth;
1532 * The lookup of a the string will cover all engines so keep a note
1533 * of the implementation.
1536 ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len);
1538 if (ameth == NULL) {
1539 BIO_printf(bio_err, "Unknown algorithm %.*s\n", len, gstr);
1543 EVP_PKEY_asn1_get0_info(NULL, pkey_type, NULL, NULL, NULL, ameth);
1544 #ifndef OPENSSL_NO_ENGINE
1545 ENGINE_finish(tmpeng);
1547 if (*pkey_type == EVP_PKEY_RSA) {
1549 keylen = atol(p + 1);
1554 } else if (p != NULL) {
1559 if (paramfile != NULL) {
1560 pbio = BIO_new_file(paramfile, "r");
1562 BIO_printf(bio_err, "Can't open parameter file %s\n", paramfile);
1565 param = PEM_read_bio_Parameters(pbio, NULL);
1567 if (param == NULL) {
1570 (void)BIO_reset(pbio);
1571 x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
1573 param = X509_get_pubkey(x);
1580 if (param == NULL) {
1581 BIO_printf(bio_err, "Error reading parameter file %s\n", paramfile);
1584 if (*pkey_type == -1) {
1585 *pkey_type = EVP_PKEY_id(param);
1586 } else if (*pkey_type != EVP_PKEY_base_id(param)) {
1587 BIO_printf(bio_err, "Key Type does not match parameters\n");
1588 EVP_PKEY_free(param);
1593 if (palgnam != NULL) {
1594 const EVP_PKEY_ASN1_METHOD *ameth;
1598 ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type);
1599 if (ameth == NULL) {
1600 BIO_puts(bio_err, "Internal error: can't find key algorithm\n");
1603 EVP_PKEY_asn1_get0_info(NULL, NULL, NULL, NULL, &anam, ameth);
1604 *palgnam = OPENSSL_strdup(anam);
1605 #ifndef OPENSSL_NO_ENGINE
1606 ENGINE_finish(tmpeng);
1610 if (param != NULL) {
1611 gctx = EVP_PKEY_CTX_new(param, keygen_engine);
1612 *pkeylen = EVP_PKEY_bits(param);
1613 EVP_PKEY_free(param);
1615 gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine);
1619 BIO_puts(bio_err, "Error allocating keygen context\n");
1620 ERR_print_errors(bio_err);
1624 if (EVP_PKEY_keygen_init(gctx) <= 0) {
1625 BIO_puts(bio_err, "Error initializing keygen context\n");
1626 ERR_print_errors(bio_err);
1627 EVP_PKEY_CTX_free(gctx);
1630 #ifndef OPENSSL_NO_RSA
1631 if ((*pkey_type == EVP_PKEY_RSA) && (keylen != -1)) {
1632 if (EVP_PKEY_CTX_set_rsa_keygen_bits(gctx, keylen) <= 0) {
1633 BIO_puts(bio_err, "Error setting RSA keysize\n");
1634 ERR_print_errors(bio_err);
1635 EVP_PKEY_CTX_free(gctx);
1644 static int genpkey_cb(EVP_PKEY_CTX *ctx)
1647 BIO *b = EVP_PKEY_CTX_get_app_data(ctx);
1649 p = EVP_PKEY_CTX_get_keygen_info(ctx, 0);
1658 BIO_write(b, &c, 1);
1663 #ifndef OPENSSL_NO_SM2
1664 static int ec_pkey_is_sm2(EVP_PKEY *pkey)
1666 EC_KEY *eckey = NULL;
1667 const EC_GROUP *group = NULL;
1669 if (EVP_PKEY_id(pkey) == EVP_PKEY_SM2)
1671 if (EVP_PKEY_id(pkey) == EVP_PKEY_EC
1672 && (eckey = EVP_PKEY_get0_EC_KEY(pkey)) != NULL
1673 && (group = EC_KEY_get0_group(eckey)) != NULL
1674 && EC_GROUP_get_curve_name(group) == NID_sm2)
1680 static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
1681 const EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts)
1683 EVP_PKEY_CTX *pkctx = NULL;
1684 #ifndef OPENSSL_NO_SM2
1685 EVP_PKEY_CTX *pctx = NULL;
1687 int i, def_nid, ret = 0;
1691 #ifndef OPENSSL_NO_SM2
1692 if (ec_pkey_is_sm2(pkey)) {
1693 /* initialize some SM2-specific code */
1694 if (!EVP_PKEY_set_alias_type(pkey, EVP_PKEY_SM2)) {
1695 BIO_printf(bio_err, "Internal error.\n");
1698 pctx = EVP_PKEY_CTX_new(pkey, NULL);
1700 BIO_printf(bio_err, "memory allocation failure.\n");
1703 /* set SM2 ID from sig options before calling the real init routine */
1704 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
1705 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1706 if (pkey_ctrl_string(pctx, sigopt) <= 0) {
1707 BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt);
1708 ERR_print_errors(bio_err);
1712 EVP_MD_CTX_set_pkey_ctx(ctx, pctx);
1716 * EVP_PKEY_get_default_digest_nid() returns 2 if the digest is mandatory
1717 * for this algorithm.
1719 if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) == 2
1720 && def_nid == NID_undef) {
1721 /* The signing algorithm requires there to be no digest */
1724 if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey))
1726 for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
1727 char *sigopt = sk_OPENSSL_STRING_value(sigopts, i);
1728 if (pkey_ctrl_string(pkctx, sigopt) <= 0) {
1729 BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt);
1730 ERR_print_errors(bio_err);
1737 #ifndef OPENSSL_NO_SM2
1739 EVP_PKEY_CTX_free(pctx);
1744 int do_X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md,
1745 STACK_OF(OPENSSL_STRING) *sigopts)
1748 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
1749 #ifndef OPENSSL_NO_SM2
1750 EVP_PKEY_CTX *pctx = NULL;
1753 rv = do_sign_init(mctx, pkey, md, sigopts);
1755 rv = X509_sign_ctx(x, mctx);
1756 #ifndef OPENSSL_NO_SM2
1758 * only in SM2 case we need to free the pctx explicitly
1759 * if do_sign_init() fails, pctx is already freed in it
1761 if (ec_pkey_is_sm2(pkey)) {
1762 pctx = EVP_MD_CTX_pkey_ctx(mctx);
1763 EVP_PKEY_CTX_free(pctx);
1767 EVP_MD_CTX_free(mctx);
1768 return rv > 0 ? 1 : 0;
1771 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md,
1772 STACK_OF(OPENSSL_STRING) *sigopts)
1775 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
1776 #ifndef OPENSSL_NO_SM2
1777 EVP_PKEY_CTX *pctx = NULL;
1780 rv = do_sign_init(mctx, pkey, md, sigopts);
1782 rv = X509_REQ_sign_ctx(x, mctx);
1783 #ifndef OPENSSL_NO_SM2
1785 * only in SM2 case we need to free the pctx explicitly
1786 * if do_sign_init() fails, pctx is already freed in it
1788 if (ec_pkey_is_sm2(pkey)) {
1789 pctx = EVP_MD_CTX_pkey_ctx(mctx);
1790 EVP_PKEY_CTX_free(pctx);
1794 EVP_MD_CTX_free(mctx);
1795 return rv > 0 ? 1 : 0;
1798 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md,
1799 STACK_OF(OPENSSL_STRING) *sigopts)
1802 EVP_MD_CTX *mctx = EVP_MD_CTX_new();
1803 #ifndef OPENSSL_NO_SM2
1804 EVP_PKEY_CTX *pctx = NULL;
1807 rv = do_sign_init(mctx, pkey, md, sigopts);
1809 rv = X509_CRL_sign_ctx(x, mctx);
1810 #ifndef OPENSSL_NO_SM2
1812 * only in SM2 case we need to free the pctx explicitly
1813 * if do_sign_init() fails, no need to double free pctx
1815 if (ec_pkey_is_sm2(pkey)) {
1816 pctx = EVP_MD_CTX_pkey_ctx(mctx);
1817 EVP_PKEY_CTX_free(pctx);
1821 EVP_MD_CTX_free(mctx);
1822 return rv > 0 ? 1 : 0;