-/* pkcs8.c */
/*
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
* 1999-2004.
#include <openssl/evp.h>
#include <openssl/pkcs12.h>
-#define PROG pkcs8_main
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_IN, OPT_OUT,
+ OPT_TOPK8, OPT_NOITER, OPT_NOCRYPT, OPT_NOOCT, OPT_NSDB, OPT_EMBED,
+ OPT_V2, OPT_V1, OPT_V2PRF, OPT_ITER, OPT_PASSIN, OPT_PASSOUT,
+ OPT_SCRYPT, OPT_SCRYPT_N, OPT_SCRYPT_R, OPT_SCRYPT_P
+} OPTION_CHOICE;
-int MAIN(int, char **);
+OPTIONS pkcs8_options[] = {
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"inform", OPT_INFORM, 'F', "Input format (DER or PEM)"},
+ {"outform", OPT_OUTFORM, 'F', "Output format (DER or PEM)"},
+ {"in", OPT_IN, '<', "Input file"},
+ {"out", OPT_OUT, '>', "Output file"},
+ {"topk8", OPT_TOPK8, '-', "Output PKCS8 file"},
+ {"noiter", OPT_NOITER, '-', "Use 1 as iteration count"},
+ {"nocrypt", OPT_NOCRYPT, '-', "Use or expect unencrypted private key"},
+ {"nooct", OPT_NOOCT, '-', "Use (nonstandard) no octet format"},
+ {"nsdb", OPT_NSDB, '-', "Use (nonstandard) DSA Netscape DB format"},
+ {"embed", OPT_EMBED, '-',
+ "Use (nonstandard) embedded DSA parameters format"},
+ {"v2", OPT_V2, 's', "Use PKCS#5 v2.0 and cipher"},
+ {"v1", OPT_V1, 's', "Use PKCS#5 v1.5 and cipher"},
+ {"v2prf", OPT_V2PRF, 's'},
+ {"iter", OPT_ITER, 'p', "Specify the iteration count"},
+ {"passin", OPT_PASSIN, 's', "Input file pass phrase source"},
+ {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
+#ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
+#endif
+ {"scrypt", OPT_SCRYPT, '-', "Use scrypt algorithm"},
+ {"scrypt_N", OPT_SCRYPT_N, 's', "Set scrypt N parameter"},
+ {"scrypt_r", OPT_SCRYPT_R, 's', "Set scrypt r parameter"},
+ {"scrypt_p", OPT_SCRYPT_P, 's', "Set scrypt p parameter"},
+ {NULL}
+};
-int MAIN(int argc, char **argv)
+int pkcs8_main(int argc, char **argv)
{
- ENGINE *e = NULL;
- char **args, *infile = NULL, *outfile = NULL;
- char *passargin = NULL, *passargout = NULL;
BIO *in = NULL, *out = NULL;
- int topk8 = 0;
- int pbe_nid = -1;
- const EVP_CIPHER *cipher = NULL;
- int iter = PKCS12_DEFAULT_ITER;
- int informat, outformat;
- int p8_broken = PKCS8_OK;
- int nocrypt = 0;
- X509_SIG *p8 = NULL;
- PKCS8_PRIV_KEY_INFO *p8inf = NULL;
+ ENGINE *e = NULL;
EVP_PKEY *pkey = NULL;
+ PKCS8_PRIV_KEY_INFO *p8inf = NULL;
+ X509_SIG *p8 = NULL;
+ const EVP_CIPHER *cipher = NULL;
+ char *infile = NULL, *outfile = NULL;
+ char *passinarg = NULL, *passoutarg = NULL, *prog;
char pass[50], *passin = NULL, *passout = NULL, *p8pass = NULL;
- int badarg = 0;
- int ret = 1;
-#ifndef OPENSSL_NO_ENGINE
- char *engine = NULL;
-#endif
+ OPTION_CHOICE o;
+ int nocrypt = 0, ret = 1, iter = PKCS12_DEFAULT_ITER, p8_broken = PKCS8_OK;
+ int informat = FORMAT_PEM, outformat = FORMAT_PEM, topk8 = 0, pbe_nid = -1;
+ int private = 0;
+ unsigned long scrypt_N = 0, scrypt_r = 0, scrypt_p = 0;
- if (bio_err == NULL)
- bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
-
- if (!load_config(bio_err, NULL))
- goto end;
-
- informat = FORMAT_PEM;
- outformat = FORMAT_PEM;
-
- ERR_load_crypto_strings();
- OpenSSL_add_all_algorithms();
- args = argv + 1;
- while (!badarg && *args && *args[0] == '-') {
- if (!strcmp(*args, "-v2")) {
- if (args[1]) {
- args++;
- cipher = EVP_get_cipherbyname(*args);
- if (!cipher) {
- BIO_printf(bio_err, "Unknown cipher %s\n", *args);
- badarg = 1;
- }
- } else
- badarg = 1;
- } else if (!strcmp(*args, "-v1")) {
- if (args[1]) {
- args++;
- pbe_nid = OBJ_txt2nid(*args);
- if (pbe_nid == NID_undef) {
- BIO_printf(bio_err, "Unknown PBE algorithm %s\n", *args);
- badarg = 1;
- }
- } else
- badarg = 1;
- } else if (!strcmp(*args, "-v2prf")) {
- if (args[1]) {
- args++;
- pbe_nid = OBJ_txt2nid(*args);
- if (!EVP_PBE_find(EVP_PBE_TYPE_PRF, pbe_nid, NULL, NULL, 0)) {
- BIO_printf(bio_err, "Unknown PRF algorithm %s\n", *args);
- badarg = 1;
- }
- } else
- badarg = 1;
- } else if (!strcmp(*args, "-inform")) {
- if (args[1]) {
- args++;
- informat = str2fmt(*args);
- } else
- badarg = 1;
- } else if (!strcmp(*args, "-outform")) {
- if (args[1]) {
- args++;
- outformat = str2fmt(*args);
- } else
- badarg = 1;
- } else if (!strcmp(*args, "-topk8"))
+ prog = opt_init(argc, argv, pkcs8_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(pkcs8_options);
+ ret = 0;
+ goto end;
+ case OPT_INFORM:
+ if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
+ goto opthelp;
+ break;
+ case OPT_IN:
+ infile = opt_arg();
+ break;
+ case OPT_OUTFORM:
+ if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
+ goto opthelp;
+ break;
+ case OPT_OUT:
+ outfile = opt_arg();
+ break;
+ case OPT_TOPK8:
topk8 = 1;
- else if (!strcmp(*args, "-noiter"))
+ break;
+ case OPT_NOITER:
iter = 1;
- else if (!strcmp(*args, "-iter")) {
- if (args[1]) {
- iter = atoi(*(++args));
- if (iter <= 0)
- badarg = 1;
- } else
- badarg = 1;
- } else if (!strcmp(*args, "-nocrypt"))
+ break;
+ case OPT_NOCRYPT:
nocrypt = 1;
- else if (!strcmp(*args, "-nooct"))
+ break;
+ case OPT_NOOCT:
p8_broken = PKCS8_NO_OCTET;
- else if (!strcmp(*args, "-nsdb"))
+ break;
+ case OPT_NSDB:
p8_broken = PKCS8_NS_DB;
- else if (!strcmp(*args, "-embed"))
+ break;
+ case OPT_EMBED:
p8_broken = PKCS8_EMBEDDED_PARAM;
- else if (!strcmp(*args, "-passin")) {
- if (args[1])
- passargin = *(++args);
- else
- badarg = 1;
- } else if (!strcmp(*args, "-passout")) {
- if (args[1])
- passargout = *(++args);
- else
- badarg = 1;
- }
-#ifndef OPENSSL_NO_ENGINE
- else if (strcmp(*args, "-engine") == 0) {
- if (args[1])
- engine = *(++args);
- else
- badarg = 1;
+ break;
+ case OPT_V2:
+ if (!opt_cipher(opt_arg(), &cipher))
+ goto opthelp;
+ break;
+ case OPT_V1:
+ pbe_nid = OBJ_txt2nid(opt_arg());
+ if (pbe_nid == NID_undef) {
+ BIO_printf(bio_err,
+ "%s: Unknown PBE algorithm %s\n", prog, opt_arg());
+ goto opthelp;
+ }
+ break;
+ case OPT_V2PRF:
+ pbe_nid = OBJ_txt2nid(opt_arg());
+ if (!EVP_PBE_find(EVP_PBE_TYPE_PRF, pbe_nid, NULL, NULL, 0)) {
+ BIO_printf(bio_err,
+ "%s: Unknown PRF algorithm %s\n", prog, opt_arg());
+ goto opthelp;
+ }
+ break;
+ case OPT_ITER:
+ if (!opt_int(opt_arg(), &iter))
+ goto opthelp;
+ break;
+ case OPT_PASSIN:
+ passinarg = opt_arg();
+ break;
+ case OPT_PASSOUT:
+ passoutarg = opt_arg();
+ break;
+ case OPT_ENGINE:
+ e = setup_engine(opt_arg(), 0);
+ break;
+ case OPT_SCRYPT:
+ scrypt_N = 1024;
+ scrypt_r = 8;
+ scrypt_p = 16;
+ if (cipher == NULL)
+ cipher = EVP_aes_256_cbc();
+ break;
+ case OPT_SCRYPT_N:
+ if (!opt_ulong(opt_arg(), &scrypt_N))
+ goto opthelp;
+ break;
+ case OPT_SCRYPT_R:
+ if (!opt_ulong(opt_arg(), &scrypt_r))
+ goto opthelp;
+ break;
+ case OPT_SCRYPT_P:
+ if (!opt_ulong(opt_arg(), &scrypt_p))
+ goto opthelp;
+ break;
}
-#endif
- else if (!strcmp(*args, "-in")) {
- if (args[1]) {
- args++;
- infile = *args;
- } else
- badarg = 1;
- } else if (!strcmp(*args, "-out")) {
- if (args[1]) {
- args++;
- outfile = *args;
- } else
- badarg = 1;
- } else
- badarg = 1;
- args++;
}
+ argc = opt_num_rest();
+ argv = opt_rest();
+ private = 1;
- if (badarg) {
- BIO_printf(bio_err, "Usage pkcs8 [options]\n");
- BIO_printf(bio_err, "where options are\n");
- BIO_printf(bio_err, "-in file input file\n");
- BIO_printf(bio_err, "-inform X input format (DER or PEM)\n");
- BIO_printf(bio_err,
- "-passin arg input file pass phrase source\n");
- BIO_printf(bio_err, "-outform X output format (DER or PEM)\n");
- BIO_printf(bio_err, "-out file output file\n");
- BIO_printf(bio_err,
- "-passout arg output file pass phrase source\n");
- BIO_printf(bio_err, "-topk8 output PKCS8 file\n");
- BIO_printf(bio_err,
- "-nooct use (nonstandard) no octet format\n");
- BIO_printf(bio_err,
- "-embed use (nonstandard) embedded DSA parameters format\n");
- BIO_printf(bio_err,
- "-nsdb use (nonstandard) DSA Netscape DB format\n");
- BIO_printf(bio_err, "-iter count use count as iteration count\n");
- BIO_printf(bio_err, "-noiter use 1 as iteration count\n");
- BIO_printf(bio_err,
- "-nocrypt use or expect unencrypted private key\n");
- BIO_printf(bio_err,
- "-v2 alg use PKCS#5 v2.0 and cipher \"alg\"\n");
- BIO_printf(bio_err,
- "-v1 obj use PKCS#5 v1.5 and cipher \"alg\"\n");
-#ifndef OPENSSL_NO_ENGINE
- BIO_printf(bio_err,
- " -engine e use engine e, possibly a hardware device.\n");
-#endif
+ if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
+ BIO_printf(bio_err, "Error getting passwords\n");
goto end;
}
-#ifndef OPENSSL_NO_ENGINE
- e = setup_engine(bio_err, engine, 0);
-#endif
- if (!app_passwd(bio_err, passargin, passargout, &passin, &passout)) {
- BIO_printf(bio_err, "Error getting passwords\n");
+ if (!app_load_modules(NULL))
goto end;
- }
if ((pbe_nid == -1) && !cipher)
pbe_nid = NID_pbeWithMD5AndDES_CBC;
- if (infile) {
- if (!(in = BIO_new_file(infile, "rb"))) {
- BIO_printf(bio_err, "Can't open input file %s\n", infile);
- goto end;
- }
- } else
- in = BIO_new_fp(stdin, BIO_NOCLOSE);
+ in = bio_open_default(infile, "rb");
+ if (in == NULL)
+ goto end;
+ out = bio_open_owner(outfile, "wb", private);
+ if (out == NULL)
+ goto end;
- if (outfile) {
- if (!(out = BIO_new_file(outfile, "wb"))) {
- BIO_printf(bio_err, "Can't open output file %s\n", outfile);
- 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
- }
if (topk8) {
- pkey = load_key(bio_err, infile, informat, 1, passin, e, "key");
+ pkey = load_key(infile, informat, 1, passin, e, "key");
if (!pkey)
goto end;
- if (!(p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken))) {
+ if ((p8inf = EVP_PKEY2PKCS8_broken(pkey, p8_broken)) == NULL) {
BIO_printf(bio_err, "Error converting key\n");
ERR_print_errors(bio_err);
goto end;
}
if (nocrypt) {
+ assert(private);
if (outformat == FORMAT_PEM)
PEM_write_bio_PKCS8_PRIV_KEY_INFO(out, p8inf);
else if (outformat == FORMAT_ASN1)
goto end;
}
} else {
+ X509_ALGOR *pbe;
+ if (cipher) {
+ if (scrypt_N && scrypt_r && scrypt_p)
+ pbe = PKCS5_pbe2_set_scrypt(cipher, NULL, 0, NULL,
+ scrypt_N, scrypt_r, scrypt_p);
+ else
+ pbe = PKCS5_pbe2_set_iv(cipher, iter, NULL, 0, NULL,
+ pbe_nid);
+ } else {
+ pbe = PKCS5_pbe_set(pbe_nid, iter, NULL, 0);
+ }
+ if (pbe == NULL) {
+ BIO_printf(bio_err, "Error setting PBE algorithm\n");
+ ERR_print_errors(bio_err);
+ goto end;
+ }
if (passout)
p8pass = passout;
else {
p8pass = pass;
if (EVP_read_pw_string
- (pass, sizeof pass, "Enter Encryption Password:", 1))
+ (pass, sizeof pass, "Enter Encryption Password:", 1)) {
+ X509_ALGOR_free(pbe);
goto end;
+ }
}
- app_RAND_load_file(NULL, bio_err, 0);
- if (!(p8 = PKCS8_encrypt(pbe_nid, cipher,
- p8pass, strlen(p8pass),
- NULL, 0, iter, p8inf))) {
+ app_RAND_load_file(NULL, 0);
+ p8 = PKCS8_set0_pbe(p8pass, strlen(p8pass), p8inf, pbe);
+ if (p8 == NULL) {
+ X509_ALGOR_free(pbe);
BIO_printf(bio_err, "Error encrypting key\n");
ERR_print_errors(bio_err);
goto end;
}
- app_RAND_write_file(NULL, bio_err);
+ app_RAND_write_file(NULL);
+ assert(private);
if (outformat == FORMAT_PEM)
PEM_write_bio_PKCS8(out, p8);
else if (outformat == FORMAT_ASN1)
goto end;
}
- if (!(pkey = EVP_PKCS82PKEY(p8inf))) {
+ if ((pkey = EVP_PKCS82PKEY(p8inf)) == NULL) {
BIO_printf(bio_err, "Error converting key\n");
ERR_print_errors(bio_err);
goto end;
}
}
+ assert(private);
if (outformat == FORMAT_PEM)
PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout);
else if (outformat == FORMAT_ASN1)
EVP_PKEY_free(pkey);
BIO_free_all(out);
BIO_free(in);
- if (passin)
- OPENSSL_free(passin);
- if (passout)
- OPENSSL_free(passout);
+ OPENSSL_free(passin);
+ OPENSSL_free(passout);
return ret;
}