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https://github.com/openssl/openssl.git
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03bbd346f4
Reviewed-by: Shane Lontis <shane.lontis@oracle.com> Reviewed-by: Tomas Mraz <tomas@openssl.org> Reviewed-by: Paul Dale <pauli@openssl.org> (Merged from https://github.com/openssl/openssl/pull/14135)
336 lines
10 KiB
C
336 lines
10 KiB
C
/*
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* Copyright 2006-2021 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include <string.h>
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#include "apps.h"
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#include "progs.h"
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#include "ec_common.h"
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#include <openssl/pem.h>
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#include <openssl/err.h>
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#include <openssl/evp.h>
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#include <openssl/core_names.h>
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typedef enum OPTION_choice {
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OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
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OPT_INFORM, OPT_OUTFORM, OPT_PASSIN, OPT_PASSOUT, OPT_ENGINE,
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OPT_IN, OPT_OUT, OPT_PUBIN, OPT_PUBOUT, OPT_TEXT_PUB,
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OPT_TEXT, OPT_NOOUT, OPT_CIPHER, OPT_TRADITIONAL, OPT_CHECK, OPT_PUB_CHECK,
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OPT_EC_PARAM_ENC, OPT_EC_CONV_FORM,
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OPT_PROV_ENUM
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} OPTION_CHOICE;
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const OPTIONS pkey_options[] = {
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OPT_SECTION("General"),
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{"help", OPT_HELP, '-', "Display this summary"},
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#ifndef OPENSSL_NO_ENGINE
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{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
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#endif
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OPT_PROV_OPTIONS,
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{"check", OPT_CHECK, '-', "Check key consistency"},
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{"pubcheck", OPT_PUB_CHECK, '-', "Check public key consistency"},
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OPT_SECTION("Input"),
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{"in", OPT_IN, 's', "Input key"},
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{"inform", OPT_INFORM, 'f',
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"Key input format (ENGINE, other values ignored)"},
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{"passin", OPT_PASSIN, 's', "Key input pass phrase source"},
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{"pubin", OPT_PUBIN, '-',
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"Read only public components from key input"},
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OPT_SECTION("Output"),
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{"out", OPT_OUT, '>', "Output file for encoded and/or text output"},
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{"outform", OPT_OUTFORM, 'F', "Output encoding format (DER or PEM)"},
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{"", OPT_CIPHER, '-', "Any supported cipher to be used for encryption"},
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{"passout", OPT_PASSOUT, 's', "Output PEM file pass phrase source"},
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{"traditional", OPT_TRADITIONAL, '-',
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"Use traditional format for private key PEM output"},
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{"pubout", OPT_PUBOUT, '-', "Restrict encoded output to public components"},
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{"noout", OPT_NOOUT, '-', "Do not output the key in encoded form"},
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{"text", OPT_TEXT, '-', "Output key components in plaintext"},
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{"text_pub", OPT_TEXT_PUB, '-',
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"Output only public key components in text form"},
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{"ec_conv_form", OPT_EC_CONV_FORM, 's',
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"Specifies the EC point conversion form in the encoding"},
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{"ec_param_enc", OPT_EC_PARAM_ENC, 's',
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"Specifies the way the EC parameters are encoded"},
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{NULL}
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};
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int pkey_main(int argc, char **argv)
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{
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BIO *in = NULL, *out = NULL;
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ENGINE *e = NULL;
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EVP_PKEY *pkey = NULL;
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EVP_PKEY_CTX *ctx = NULL;
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const EVP_CIPHER *cipher = NULL;
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char *infile = NULL, *outfile = NULL, *passin = NULL, *passout = NULL;
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char *passinarg = NULL, *passoutarg = NULL, *ciphername = NULL, *prog;
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OPTION_CHOICE o;
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int informat = FORMAT_PEM, outformat = FORMAT_PEM;
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int pubin = 0, pubout = 0, text_pub = 0, text = 0, noout = 0, ret = 1;
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int private = 0, traditional = 0, check = 0, pub_check = 0;
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#ifndef OPENSSL_NO_EC
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char *asn1_encoding = NULL;
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char *point_format = NULL;
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#endif
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prog = opt_init(argc, argv, pkey_options);
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while ((o = opt_next()) != OPT_EOF) {
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switch (o) {
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case OPT_EOF:
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case OPT_ERR:
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opthelp:
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BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
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goto end;
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case OPT_HELP:
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opt_help(pkey_options);
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ret = 0;
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goto end;
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case OPT_INFORM:
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if (!opt_format(opt_arg(), OPT_FMT_ANY, &informat))
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goto opthelp;
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break;
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case OPT_OUTFORM:
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if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
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goto opthelp;
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break;
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case OPT_PASSIN:
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passinarg = opt_arg();
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break;
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case OPT_PASSOUT:
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passoutarg = opt_arg();
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break;
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case OPT_ENGINE:
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e = setup_engine(opt_arg(), 0);
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break;
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case OPT_IN:
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infile = opt_arg();
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break;
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case OPT_OUT:
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outfile = opt_arg();
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break;
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case OPT_PUBIN:
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pubin = pubout = 1;
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break;
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case OPT_PUBOUT:
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pubout = 1;
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break;
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case OPT_TEXT_PUB:
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text_pub = 1;
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break;
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case OPT_TEXT:
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text = 1;
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break;
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case OPT_NOOUT:
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noout = 1;
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break;
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case OPT_TRADITIONAL:
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traditional = 1;
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break;
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case OPT_CHECK:
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check = 1;
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break;
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case OPT_PUB_CHECK:
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pub_check = 1;
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break;
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case OPT_CIPHER:
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ciphername = opt_unknown();
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break;
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case OPT_EC_CONV_FORM:
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#ifdef OPENSSL_NO_EC
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goto opthelp;
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#else
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point_format = opt_arg();
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if (!opt_string(point_format, point_format_options))
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goto opthelp;
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break;
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#endif
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case OPT_EC_PARAM_ENC:
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#ifdef OPENSSL_NO_EC
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goto opthelp;
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#else
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asn1_encoding = opt_arg();
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if (!opt_string(asn1_encoding, asn1_encoding_options))
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goto opthelp;
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break;
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#endif
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case OPT_PROV_CASES:
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if (!opt_provider(o))
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goto end;
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break;
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}
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}
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/* No extra arguments. */
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argc = opt_num_rest();
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if (argc != 0)
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goto opthelp;
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if (noout && pubout)
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BIO_printf(bio_err,
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"Warning: The -pubout option is ignored with -noout\n");
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if (text && text_pub)
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BIO_printf(bio_err,
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"Warning: The -text option is ignored with -text_pub\n");
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if (traditional && (noout || outformat != FORMAT_PEM))
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BIO_printf(bio_err,
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"Warning: The -traditional is ignored since there is no PEM output\n");
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private = (!noout && !pubout) || (text && !text_pub);
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if (ciphername != NULL) {
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if (!opt_cipher(ciphername, &cipher))
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goto opthelp;
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}
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if (cipher == NULL) {
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if (passoutarg != NULL)
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BIO_printf(bio_err,
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"Warning: The -passout option is ignored without a cipher option\n");
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} else {
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if (noout || outformat != FORMAT_PEM) {
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BIO_printf(bio_err,
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"Error: Cipher options are supported only for PEM output\n");
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goto end;
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}
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}
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if (!app_passwd(passinarg, passoutarg, &passin, &passout)) {
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BIO_printf(bio_err, "Error getting passwords\n");
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goto end;
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}
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out = bio_open_owner(outfile, outformat, private);
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if (out == NULL)
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goto end;
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if (pubin)
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pkey = load_pubkey(infile, informat, 1, passin, e, "Public Key");
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else
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pkey = load_key(infile, informat, 1, passin, e, "key");
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if (pkey == NULL)
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goto end;
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#ifndef OPENSSL_NO_EC
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if (asn1_encoding != NULL || point_format != NULL) {
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OSSL_PARAM params[3], *p = params;
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if (!EVP_PKEY_is_a(pkey, "EC"))
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goto end;
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if (asn1_encoding != NULL)
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*p++ = OSSL_PARAM_construct_utf8_string(OSSL_PKEY_PARAM_EC_ENCODING,
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asn1_encoding, 0);
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if (point_format != NULL)
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*p++ = OSSL_PARAM_construct_utf8_string(
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OSSL_PKEY_PARAM_EC_POINT_CONVERSION_FORMAT,
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point_format, 0);
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*p = OSSL_PARAM_construct_end();
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if (EVP_PKEY_set_params(pkey, params) <= 0)
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goto end;
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}
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#endif
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if (check || pub_check) {
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int r;
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ctx = EVP_PKEY_CTX_new(pkey, e);
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if (ctx == NULL) {
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ERR_print_errors(bio_err);
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goto end;
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}
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if (check)
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r = EVP_PKEY_check(ctx);
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else
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r = EVP_PKEY_public_check(ctx);
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if (r == 1) {
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BIO_printf(out, "Key is valid\n");
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} else {
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/*
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* Note: at least for RSA keys if this function returns
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* -1, there will be no error reasons.
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*/
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unsigned long err;
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BIO_printf(out, "Key is invalid\n");
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while ((err = ERR_peek_error()) != 0) {
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BIO_printf(out, "Detailed error: %s\n",
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ERR_reason_error_string(err));
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ERR_get_error(); /* remove err from error stack */
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}
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goto end;
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}
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}
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if (!noout) {
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if (outformat == FORMAT_PEM) {
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if (pubout) {
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if (!PEM_write_bio_PUBKEY(out, pkey))
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goto end;
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} else {
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assert(private);
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if (traditional) {
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if (!PEM_write_bio_PrivateKey_traditional(out, pkey, cipher,
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NULL, 0, NULL,
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passout))
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goto end;
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} else {
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if (!PEM_write_bio_PrivateKey(out, pkey, cipher,
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NULL, 0, NULL, passout))
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goto end;
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}
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}
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} else if (outformat == FORMAT_ASN1) {
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if (text || text_pub) {
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BIO_printf(bio_err,
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"Error: Text output cannot be combined with DER output\n");
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goto end;
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}
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if (pubout) {
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if (!i2d_PUBKEY_bio(out, pkey))
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goto end;
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} else {
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assert(private);
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if (!i2d_PrivateKey_bio(out, pkey))
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goto end;
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}
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} else {
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BIO_printf(bio_err, "Bad format specified for key\n");
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goto end;
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}
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}
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if (text_pub) {
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if (EVP_PKEY_print_public(out, pkey, 0, NULL) <= 0)
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goto end;
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} else if (text) {
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assert(private);
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if (EVP_PKEY_print_private(out, pkey, 0, NULL) <= 0)
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goto end;
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}
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ret = 0;
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end:
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if (ret != 0)
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ERR_print_errors(bio_err);
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EVP_PKEY_CTX_free(ctx);
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EVP_PKEY_free(pkey);
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release_engine(e);
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BIO_free_all(out);
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BIO_free(in);
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OPENSSL_free(passin);
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OPENSSL_free(passout);
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return ret;
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}
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