2 * Copyright 1999-2017 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (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
14 #include <openssl/pem.h>
15 #include <openssl/err.h>
16 #include <openssl/evp.h>
17 #include <openssl/pkcs12.h>
19 typedef enum OPTION_choice {
20 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
21 OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT,
22 OPT_TOPK8, OPT_NOITER, OPT_NOCRYPT,
23 #ifndef OPENSSL_NO_SCRYPT
24 OPT_SCRYPT, OPT_SCRYPT_N, OPT_SCRYPT_R, OPT_SCRYPT_P,
26 OPT_V2, OPT_V1, OPT_V2PRF, OPT_ITER, OPT_PASSIN, OPT_PASSOUT,
31 const OPTIONS pkcs8_options[] = {
32 {"help", OPT_HELP, '-', "Display this summary"},
33 {"inform", OPT_INFORM, 'F', "Input format (DER or PEM)"},
34 {"outform", OPT_OUTFORM, 'F', "Output format (DER or PEM)"},
35 {"in", OPT_IN, '<', "Input file"},
36 {"out", OPT_OUT, '>', "Output file"},
37 {"topk8", OPT_TOPK8, '-', "Output PKCS8 file"},
38 {"noiter", OPT_NOITER, '-', "Use 1 as iteration count"},
39 {"nocrypt", OPT_NOCRYPT, '-', "Use or expect unencrypted private key"},
41 {"v2", OPT_V2, 's', "Use PKCS#5 v2.0 and cipher"},
42 {"v1", OPT_V1, 's', "Use PKCS#5 v1.5 and cipher"},
43 {"v2prf", OPT_V2PRF, 's', "Set the PRF algorithm to use with PKCS#5 v2.0"},
44 {"iter", OPT_ITER, 'p', "Specify the iteration count"},
45 {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
46 {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
47 {"traditional", OPT_TRADITIONAL, '-', "use traditional format private key"},
48 #ifndef OPENSSL_NO_ENGINE
49 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
51 #ifndef OPENSSL_NO_SCRYPT
52 {"scrypt", OPT_SCRYPT, '-', "Use scrypt algorithm"},
53 {"scrypt_N", OPT_SCRYPT_N, 's', "Set scrypt N parameter"},
54 {"scrypt_r", OPT_SCRYPT_R, 's', "Set scrypt r parameter"},
55 {"scrypt_p", OPT_SCRYPT_P, 's', "Set scrypt p parameter"},
60 int pkcs8_main(int argc, char **argv)
62 BIO *in = NULL, *out = NULL;
64 EVP_PKEY *pkey = NULL;
65 PKCS8_PRIV_KEY_INFO *p8inf = NULL;
67 const EVP_CIPHER *cipher = NULL;
68 char *infile = NULL, *outfile = NULL;
69 char *passinarg = NULL, *passoutarg = NULL, *prog;
70 #ifndef OPENSSL_NO_UI_CONSOLE
71 char pass[APP_PASS_LEN];
73 char *passin = NULL, *passout = NULL, *p8pass = NULL;
75 int nocrypt = 0, ret = 1, iter = PKCS12_DEFAULT_ITER;
76 int informat = FORMAT_PEM, outformat = FORMAT_PEM, topk8 = 0, pbe_nid = -1;
77 int private = 0, traditional = 0;
78 #ifndef OPENSSL_NO_SCRYPT
79 long scrypt_N = 0, scrypt_r = 0, scrypt_p = 0;
82 prog = opt_init(argc, argv, pkcs8_options);
83 while ((o = opt_next()) != OPT_EOF) {
88 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
91 opt_help(pkcs8_options);
95 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
102 if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
121 case OPT_TRADITIONAL:
125 if (!opt_cipher(opt_arg(), &cipher))
129 pbe_nid = OBJ_txt2nid(opt_arg());
130 if (pbe_nid == NID_undef) {
132 "%s: Unknown PBE algorithm %s\n", prog, opt_arg());
137 pbe_nid = OBJ_txt2nid(opt_arg());
138 if (!EVP_PBE_find(EVP_PBE_TYPE_PRF, pbe_nid, NULL, NULL, 0)) {
140 "%s: Unknown PRF algorithm %s\n", prog, opt_arg());
144 cipher = EVP_aes_256_cbc();
147 if (!opt_int(opt_arg(), &iter))
151 passinarg = opt_arg();
154 passoutarg = opt_arg();
157 e = setup_engine(opt_arg(), 0);
159 #ifndef OPENSSL_NO_SCRYPT
165 cipher = EVP_aes_256_cbc();
168 if (!opt_long(opt_arg(), &scrypt_N) || scrypt_N <= 0)
172 if (!opt_long(opt_arg(), &scrypt_r) || scrypt_r <= 0)
176 if (!opt_long(opt_arg(), &scrypt_p) || scrypt_p <= 0)
182 argc = opt_num_rest();
188 if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
189 BIO_printf(bio_err, "Error getting passwords\n");
193 if ((pbe_nid == -1) && cipher == NULL)
194 cipher = EVP_aes_256_cbc();
196 in = bio_open_default(infile, 'r', informat);
199 out = bio_open_owner(outfile, outformat, private);
204 pkey = load_key(infile, informat, 1, passin, e, "key");
207 if ((p8inf = EVP_PKEY2PKCS8(pkey)) == NULL) {
208 BIO_printf(bio_err, "Error converting key\n");
209 ERR_print_errors(bio_err);
214 if (outformat == FORMAT_PEM) {
215 PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
216 } else if (outformat == FORMAT_ASN1) {
217 i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf);
219 BIO_printf(bio_err, "Bad format specified for key\n");
225 #ifndef OPENSSL_NO_SCRYPT
226 if (scrypt_N && scrypt_r && scrypt_p)
227 pbe = PKCS5_pbe2_set_scrypt(cipher, NULL, 0, NULL,
228 scrypt_N, scrypt_r, scrypt_p);
231 pbe = PKCS5_pbe2_set_iv(cipher, iter, NULL, 0, NULL,
234 pbe = PKCS5_pbe_set(pbe_nid, iter, NULL, 0);
237 BIO_printf(bio_err, "Error setting PBE algorithm\n");
238 ERR_print_errors(bio_err);
241 if (passout != NULL) {
244 /* To avoid bit rot */
245 #ifndef OPENSSL_NO_UI_CONSOLE
247 if (EVP_read_pw_string
248 (pass, sizeof(pass), "Enter Encryption Password:", 1)) {
249 X509_ALGOR_free(pbe);
254 BIO_printf(bio_err, "Password required\n");
257 p8 = PKCS8_set0_pbe(p8pass, strlen(p8pass), p8inf, pbe);
259 X509_ALGOR_free(pbe);
260 BIO_printf(bio_err, "Error encrypting key\n");
261 ERR_print_errors(bio_err);
265 if (outformat == FORMAT_PEM)
266 PEM_write_bio_PKCS8(out, p8);
267 else if (outformat == FORMAT_ASN1)
268 i2d_PKCS8_bio(out, p8);
270 BIO_printf(bio_err, "Bad format specified for key\n");
280 if (informat == FORMAT_PEM) {
281 p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in, NULL, NULL, NULL);
282 } else if (informat == FORMAT_ASN1) {
283 p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL);
285 BIO_printf(bio_err, "Bad format specified for key\n");
289 if (informat == FORMAT_PEM) {
290 p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL);
291 } else if (informat == FORMAT_ASN1) {
292 p8 = d2i_PKCS8_bio(in, NULL);
294 BIO_printf(bio_err, "Bad format specified for key\n");
299 BIO_printf(bio_err, "Error reading key\n");
300 ERR_print_errors(bio_err);
303 if (passin != NULL) {
306 #ifndef OPENSSL_NO_UI_CONSOLE
308 if (EVP_read_pw_string(pass, sizeof(pass), "Enter Password:", 0)) {
309 BIO_printf(bio_err, "Can't read Password\n");
314 BIO_printf(bio_err, "Password required\n");
317 p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass));
321 BIO_printf(bio_err, "Error decrypting key\n");
322 ERR_print_errors(bio_err);
326 if ((pkey = EVP_PKCS82PKEY(p8inf)) == NULL) {
327 BIO_printf(bio_err, "Error converting key\n");
328 ERR_print_errors(bio_err);
333 if (outformat == FORMAT_PEM) {
335 PEM_write_bio_PrivateKey_traditional(out, pkey, NULL, NULL, 0,
338 PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout);
339 } else if (outformat == FORMAT_ASN1) {
340 i2d_PrivateKey_bio(out, pkey);
342 BIO_printf(bio_err, "Bad format specified for key\n");
349 PKCS8_PRIV_KEY_INFO_free(p8inf);
354 OPENSSL_free(passin);
355 OPENSSL_free(passout);