| /* |
| * Copyright 1999-2016 The OpenSSL Project Authors. All Rights Reserved. |
| * |
| * Licensed under the OpenSSL license (the "License"). You may not use |
| * this file except in compliance with the License. You can obtain a copy |
| * in the file LICENSE in the source distribution or at |
| * https://www.openssl.org/source/license.html |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include "apps.h" |
| #include <openssl/pem.h> |
| #include <openssl/err.h> |
| #include <openssl/evp.h> |
| #include <openssl/pkcs12.h> |
| |
| 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, |
| #ifndef OPENSSL_NO_SCRYPT |
| OPT_SCRYPT, OPT_SCRYPT_N, OPT_SCRYPT_R, OPT_SCRYPT_P, |
| #endif |
| OPT_V2, OPT_V1, OPT_V2PRF, OPT_ITER, OPT_PASSIN, OPT_PASSOUT, |
| OPT_TRADITIONAL |
| } OPTION_CHOICE; |
| |
| const 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"}, |
| {"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', "Set the PRF algorithm to use with PKCS#5 v2.0"}, |
| {"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"}, |
| {"traditional", OPT_TRADITIONAL, '-', "use traditional format private key"}, |
| #ifndef OPENSSL_NO_ENGINE |
| {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, |
| #endif |
| #ifndef OPENSSL_NO_SCRYPT |
| {"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"}, |
| #endif |
| {NULL} |
| }; |
| |
| int pkcs8_main(int argc, char **argv) |
| { |
| BIO *in = NULL, *out = 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; |
| #ifndef OPENSSL_NO_UI |
| char pass[50]; |
| #endif |
| char *passin = NULL, *passout = NULL, *p8pass = NULL; |
| OPTION_CHOICE o; |
| int nocrypt = 0, ret = 1, iter = PKCS12_DEFAULT_ITER; |
| int informat = FORMAT_PEM, outformat = FORMAT_PEM, topk8 = 0, pbe_nid = -1; |
| int private = 0, traditional = 0; |
| #ifndef OPENSSL_NO_SCRYPT |
| long scrypt_N = 0, scrypt_r = 0, scrypt_p = 0; |
| #endif |
| |
| 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; |
| break; |
| case OPT_NOITER: |
| iter = 1; |
| break; |
| case OPT_NOCRYPT: |
| nocrypt = 1; |
| break; |
| case OPT_TRADITIONAL: |
| traditional = 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; |
| } |
| if (cipher == NULL) |
| cipher = EVP_aes_256_cbc(); |
| 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; |
| #ifndef OPENSSL_NO_SCRYPT |
| case OPT_SCRYPT: |
| scrypt_N = 16384; |
| scrypt_r = 8; |
| scrypt_p = 1; |
| if (cipher == NULL) |
| cipher = EVP_aes_256_cbc(); |
| break; |
| case OPT_SCRYPT_N: |
| if (!opt_long(opt_arg(), &scrypt_N) || scrypt_N <= 0) |
| goto opthelp; |
| break; |
| case OPT_SCRYPT_R: |
| if (!opt_long(opt_arg(), &scrypt_r) || scrypt_r <= 0) |
| goto opthelp; |
| break; |
| case OPT_SCRYPT_P: |
| if (!opt_long(opt_arg(), &scrypt_p) || scrypt_p <= 0) |
| goto opthelp; |
| break; |
| #endif |
| } |
| } |
| argc = opt_num_rest(); |
| if (argc != 0) |
| goto opthelp; |
| |
| private = 1; |
| |
| if (!app_passwd(passinarg, passoutarg, &passin, &passout)) { |
| BIO_printf(bio_err, "Error getting passwords\n"); |
| goto end; |
| } |
| |
| if ((pbe_nid == -1) && cipher == NULL) |
| cipher = EVP_aes_256_cbc(); |
| |
| in = bio_open_default(infile, 'r', informat); |
| if (in == NULL) |
| goto end; |
| out = bio_open_owner(outfile, outformat, private); |
| if (out == NULL) |
| goto end; |
| |
| if (topk8) { |
| pkey = load_key(infile, informat, 1, passin, e, "key"); |
| if (!pkey) |
| goto end; |
| if ((p8inf = EVP_PKEY2PKCS8(pkey)) == 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) |
| i2d_PKCS8_PRIV_KEY_INFO_bio(out, p8inf); |
| else { |
| BIO_printf(bio_err, "Bad format specified for key\n"); |
| goto end; |
| } |
| } else { |
| X509_ALGOR *pbe; |
| if (cipher) { |
| #ifndef OPENSSL_NO_SCRYPT |
| if (scrypt_N && scrypt_r && scrypt_p) |
| pbe = PKCS5_pbe2_set_scrypt(cipher, NULL, 0, NULL, |
| scrypt_N, scrypt_r, scrypt_p); |
| else |
| #endif |
| 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 if (1) { |
| #ifndef OPENSSL_NO_UI |
| p8pass = pass; |
| if (EVP_read_pw_string |
| (pass, sizeof pass, "Enter Encryption Password:", 1)) { |
| X509_ALGOR_free(pbe); |
| goto end; |
| } |
| } else { |
| #endif |
| BIO_printf(bio_err, "Password required\n"); |
| goto end; |
| } |
| 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); |
| assert(private); |
| if (outformat == FORMAT_PEM) |
| PEM_write_bio_PKCS8(out, p8); |
| else if (outformat == FORMAT_ASN1) |
| i2d_PKCS8_bio(out, p8); |
| else { |
| BIO_printf(bio_err, "Bad format specified for key\n"); |
| goto end; |
| } |
| } |
| |
| ret = 0; |
| goto end; |
| } |
| |
| if (nocrypt) { |
| if (informat == FORMAT_PEM) |
| p8inf = PEM_read_bio_PKCS8_PRIV_KEY_INFO(in, NULL, NULL, NULL); |
| else if (informat == FORMAT_ASN1) |
| p8inf = d2i_PKCS8_PRIV_KEY_INFO_bio(in, NULL); |
| else { |
| BIO_printf(bio_err, "Bad format specified for key\n"); |
| goto end; |
| } |
| } else { |
| if (informat == FORMAT_PEM) |
| p8 = PEM_read_bio_PKCS8(in, NULL, NULL, NULL); |
| else if (informat == FORMAT_ASN1) |
| p8 = d2i_PKCS8_bio(in, NULL); |
| else { |
| BIO_printf(bio_err, "Bad format specified for key\n"); |
| goto end; |
| } |
| |
| if (!p8) { |
| BIO_printf(bio_err, "Error reading key\n"); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| if (passin) |
| p8pass = passin; |
| else if (1) { |
| #ifndef OPENSSL_NO_UI |
| p8pass = pass; |
| if (EVP_read_pw_string(pass, sizeof pass, "Enter Password:", 0)) { |
| BIO_printf(bio_err, "Can't read Password\n"); |
| goto end; |
| } |
| } else { |
| #endif |
| BIO_printf(bio_err, "Password required\n"); |
| goto end; |
| } |
| p8inf = PKCS8_decrypt(p8, p8pass, strlen(p8pass)); |
| } |
| |
| if (!p8inf) { |
| BIO_printf(bio_err, "Error decrypting key\n"); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| |
| 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) { |
| if (traditional) |
| PEM_write_bio_PrivateKey_traditional(out, pkey, NULL, NULL, 0, |
| NULL, passout); |
| else |
| PEM_write_bio_PrivateKey(out, pkey, NULL, NULL, 0, NULL, passout); |
| } else if (outformat == FORMAT_ASN1) { |
| i2d_PrivateKey_bio(out, pkey); |
| } else { |
| BIO_printf(bio_err, "Bad format specified for key\n"); |
| goto end; |
| } |
| ret = 0; |
| |
| end: |
| X509_SIG_free(p8); |
| PKCS8_PRIV_KEY_INFO_free(p8inf); |
| EVP_PKEY_free(pkey); |
| release_engine(e); |
| BIO_free_all(out); |
| BIO_free(in); |
| OPENSSL_free(passin); |
| OPENSSL_free(passout); |
| |
| return ret; |
| } |
