| /* |
| * Copyright 2006-2018 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 <string.h> |
| #include "apps.h" |
| #include "progs.h" |
| #include <openssl/pem.h> |
| #include <openssl/err.h> |
| #include <openssl/evp.h> |
| |
| typedef enum OPTION_choice { |
| OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, |
| OPT_INFORM, OPT_OUTFORM, OPT_PASSIN, OPT_PASSOUT, OPT_ENGINE, |
| OPT_IN, OPT_OUT, OPT_PUBIN, OPT_PUBOUT, OPT_TEXT_PUB, |
| OPT_TEXT, OPT_NOOUT, OPT_MD, OPT_TRADITIONAL, OPT_CHECK, OPT_PUB_CHECK |
| } OPTION_CHOICE; |
| |
| const OPTIONS pkey_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)"}, |
| {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, |
| {"passout", OPT_PASSOUT, 's', "Output file pass phrase source"}, |
| {"in", OPT_IN, 's', "Input key"}, |
| {"out", OPT_OUT, '>', "Output file"}, |
| {"pubin", OPT_PUBIN, '-', |
| "Read public key from input (default is private key)"}, |
| {"pubout", OPT_PUBOUT, '-', "Output public key, not private"}, |
| {"text_pub", OPT_TEXT_PUB, '-', "Only output public key components"}, |
| {"text", OPT_TEXT, '-', "Output in plaintext as well"}, |
| {"noout", OPT_NOOUT, '-', "Don't output the key"}, |
| {"", OPT_MD, '-', "Any supported cipher"}, |
| {"traditional", OPT_TRADITIONAL, '-', |
| "Use traditional format for private keys"}, |
| #ifndef OPENSSL_NO_ENGINE |
| {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, |
| #endif |
| {"check", OPT_CHECK, '-', "Check key consistency"}, |
| {"pubcheck", OPT_PUB_CHECK, '-', "Check public key consistency"}, |
| {NULL} |
| }; |
| |
| int pkey_main(int argc, char **argv) |
| { |
| BIO *in = NULL, *out = NULL; |
| ENGINE *e = NULL; |
| EVP_PKEY *pkey = NULL; |
| const EVP_CIPHER *cipher = NULL; |
| char *infile = NULL, *outfile = NULL, *passin = NULL, *passout = NULL; |
| char *passinarg = NULL, *passoutarg = NULL, *prog; |
| OPTION_CHOICE o; |
| int informat = FORMAT_PEM, outformat = FORMAT_PEM; |
| int pubin = 0, pubout = 0, pubtext = 0, text = 0, noout = 0, ret = 1; |
| int private = 0, traditional = 0, check = 0, pub_check = 0; |
| |
| prog = opt_init(argc, argv, pkey_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(pkey_options); |
| ret = 0; |
| goto end; |
| case OPT_INFORM: |
| if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat)) |
| goto opthelp; |
| break; |
| case OPT_OUTFORM: |
| if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat)) |
| 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_IN: |
| infile = opt_arg(); |
| break; |
| case OPT_OUT: |
| outfile = opt_arg(); |
| break; |
| case OPT_PUBIN: |
| pubin = pubout = pubtext = 1; |
| break; |
| case OPT_PUBOUT: |
| pubout = 1; |
| break; |
| case OPT_TEXT_PUB: |
| pubtext = text = 1; |
| break; |
| case OPT_TEXT: |
| text = 1; |
| break; |
| case OPT_NOOUT: |
| noout = 1; |
| break; |
| case OPT_TRADITIONAL: |
| traditional = 1; |
| break; |
| case OPT_CHECK: |
| check = 1; |
| break; |
| case OPT_PUB_CHECK: |
| pub_check = 1; |
| break; |
| case OPT_MD: |
| if (!opt_cipher(opt_unknown(), &cipher)) |
| goto opthelp; |
| } |
| } |
| argc = opt_num_rest(); |
| if (argc != 0) |
| goto opthelp; |
| |
| private = !noout && !pubout ? 1 : 0; |
| if (text && !pubtext) |
| private = 1; |
| |
| if (!app_passwd(passinarg, passoutarg, &passin, &passout)) { |
| BIO_printf(bio_err, "Error getting passwords\n"); |
| goto end; |
| } |
| |
| out = bio_open_owner(outfile, outformat, private); |
| if (out == NULL) |
| goto end; |
| |
| if (pubin) |
| pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key"); |
| else |
| pkey = load_key(infile, informat, 1, passin, e, "key"); |
| if (pkey == NULL) |
| goto end; |
| |
| if (check || pub_check) { |
| int r; |
| EVP_PKEY_CTX *ctx; |
| |
| ctx = EVP_PKEY_CTX_new(pkey, e); |
| if (ctx == NULL) { |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| |
| if (check) |
| r = EVP_PKEY_check(ctx); |
| else |
| r = EVP_PKEY_public_check(ctx); |
| |
| if (r == 1) { |
| BIO_printf(out, "Key is valid\n"); |
| } else { |
| /* |
| * Note: at least for RSA keys if this function returns |
| * -1, there will be no error reasons. |
| */ |
| unsigned long err; |
| |
| BIO_printf(out, "Key is invalid\n"); |
| |
| while ((err = ERR_peek_error()) != 0) { |
| BIO_printf(out, "Detailed error: %s\n", |
| ERR_reason_error_string(err)); |
| ERR_get_error(); /* remove err from error stack */ |
| } |
| } |
| EVP_PKEY_CTX_free(ctx); |
| } |
| |
| if (!noout) { |
| if (outformat == FORMAT_PEM) { |
| if (pubout) { |
| if (!PEM_write_bio_PUBKEY(out, pkey)) |
| goto end; |
| } else { |
| assert(private); |
| if (traditional) { |
| if (!PEM_write_bio_PrivateKey_traditional(out, pkey, cipher, |
| NULL, 0, NULL, |
| passout)) |
| goto end; |
| } else { |
| if (!PEM_write_bio_PrivateKey(out, pkey, cipher, |
| NULL, 0, NULL, passout)) |
| goto end; |
| } |
| } |
| } else if (outformat == FORMAT_ASN1) { |
| if (pubout) { |
| if (!i2d_PUBKEY_bio(out, pkey)) |
| goto end; |
| } else { |
| assert(private); |
| if (!i2d_PrivateKey_bio(out, pkey)) |
| goto end; |
| } |
| } else { |
| BIO_printf(bio_err, "Bad format specified for key\n"); |
| goto end; |
| } |
| } |
| |
| if (text) { |
| if (pubtext) { |
| if (EVP_PKEY_print_public(out, pkey, 0, NULL) <= 0) |
| goto end; |
| } else { |
| assert(private); |
| if (EVP_PKEY_print_private(out, pkey, 0, NULL) <= 0) |
| goto end; |
| } |
| } |
| |
| ret = 0; |
| |
| end: |
| if (ret != 0) |
| ERR_print_errors(bio_err); |
| EVP_PKEY_free(pkey); |
| release_engine(e); |
| BIO_free_all(out); |
| BIO_free(in); |
| OPENSSL_free(passin); |
| OPENSSL_free(passout); |
| |
| return ret; |
| } |