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- /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
- * project 2006.
- */
- /* ====================================================================
- * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
- *
- */
- #include "apps.h"
- #include <string.h>
- #include <openssl/err.h>
- #include <openssl/pem.h>
- #include <openssl/evp.h>
- #define KEY_PRIVKEY 1
- #define KEY_PUBKEY 2
- #define KEY_CERT 3
- static void usage(void);
- #undef PROG
- #define PROG pkeyutl_main
- static EVP_PKEY_CTX *init_ctx(int *pkeysize,
- char *keyfile, int keyform, int key_type,
- char *passargin, int pkey_op, ENGINE *e);
- static int setup_peer(BIO *err, EVP_PKEY_CTX *ctx, int peerform,
- const char *file);
- static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op,
- unsigned char *out, int *poutlen,
- unsigned char *in, int inlen);
- int MAIN(int argc, char **);
- int MAIN(int argc, char **argv)
- {
- BIO *in = NULL, *out = NULL;
- char *infile = NULL, *outfile = NULL, *sigfile = NULL;
- ENGINE *e = NULL;
- int pkey_op = EVP_PKEY_OP_SIGN, key_type = KEY_PRIVKEY;
- int keyform = FORMAT_PEM, peerform = FORMAT_PEM;
- char badarg = 0, rev = 0;
- char hexdump = 0, asn1parse = 0;
- EVP_PKEY_CTX *ctx = NULL;
- char *passargin = NULL;
- int keysize = -1;
- unsigned char *buf_in = NULL, *buf_out = NULL, *sig = NULL;
- int buf_inlen, buf_outlen, siglen = -1;
- int ret = 1, rv = -1;
- argc--;
- argv++;
- if(!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
- if (!load_config(bio_err, NULL))
- goto end;
- ERR_load_crypto_strings();
- OpenSSL_add_all_algorithms();
-
- while(argc >= 1)
- {
- if (!strcmp(*argv,"-in"))
- {
- if (--argc < 1) badarg = 1;
- infile= *(++argv);
- }
- else if (!strcmp(*argv,"-out"))
- {
- if (--argc < 1) badarg = 1;
- outfile= *(++argv);
- }
- else if (!strcmp(*argv,"-sigfile"))
- {
- if (--argc < 1) badarg = 1;
- sigfile= *(++argv);
- }
- else if(!strcmp(*argv, "-inkey"))
- {
- if (--argc < 1)
- badarg = 1;
- else
- {
- ctx = init_ctx(&keysize,
- *(++argv), keyform, key_type,
- passargin, pkey_op, e);
- if (!ctx)
- {
- BIO_puts(bio_err,
- "Error initializing context\n");
- ERR_print_errors(bio_err);
- badarg = 1;
- }
- }
- }
- else if (!strcmp(*argv,"-peerkey"))
- {
- if (--argc < 1)
- badarg = 1;
- else if (!setup_peer(bio_err, ctx, peerform, *(++argv)))
- badarg = 1;
- }
- else if (!strcmp(*argv,"-passin"))
- {
- if (--argc < 1) badarg = 1;
- passargin= *(++argv);
- }
- else if (strcmp(*argv,"-peerform") == 0)
- {
- if (--argc < 1) badarg = 1;
- peerform=str2fmt(*(++argv));
- }
- else if (strcmp(*argv,"-keyform") == 0)
- {
- if (--argc < 1) badarg = 1;
- keyform=str2fmt(*(++argv));
- }
- #ifndef OPENSSL_NO_ENGINE
- else if(!strcmp(*argv, "-engine"))
- {
- if (--argc < 1)
- badarg = 1;
- else
- e = setup_engine(bio_err, *(++argv), 0);
- }
- #endif
- else if(!strcmp(*argv, "-pubin"))
- key_type = KEY_PUBKEY;
- else if(!strcmp(*argv, "-certin"))
- key_type = KEY_CERT;
- else if(!strcmp(*argv, "-asn1parse"))
- asn1parse = 1;
- else if(!strcmp(*argv, "-hexdump"))
- hexdump = 1;
- else if(!strcmp(*argv, "-sign"))
- pkey_op = EVP_PKEY_OP_SIGN;
- else if(!strcmp(*argv, "-verify"))
- pkey_op = EVP_PKEY_OP_VERIFY;
- else if(!strcmp(*argv, "-verifyrecover"))
- pkey_op = EVP_PKEY_OP_VERIFYRECOVER;
- else if(!strcmp(*argv, "-rev"))
- rev = 1;
- else if(!strcmp(*argv, "-encrypt"))
- pkey_op = EVP_PKEY_OP_ENCRYPT;
- else if(!strcmp(*argv, "-decrypt"))
- pkey_op = EVP_PKEY_OP_DECRYPT;
- else if(!strcmp(*argv, "-derive"))
- pkey_op = EVP_PKEY_OP_DERIVE;
- else if (strcmp(*argv,"-pkeyopt") == 0)
- {
- if (--argc < 1)
- badarg = 1;
- else if (!ctx)
- {
- BIO_puts(bio_err,
- "-pkeyopt command before -inkey\n");
- badarg = 1;
- }
- else if (pkey_ctrl_string(ctx, *(++argv)) <= 0)
- {
- BIO_puts(bio_err, "parameter setting error\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- else badarg = 1;
- if(badarg)
- {
- usage();
- goto end;
- }
- argc--;
- argv++;
- }
- if (!ctx)
- {
- usage();
- goto end;
- }
- if (sigfile && (pkey_op != EVP_PKEY_OP_VERIFY))
- {
- BIO_puts(bio_err, "Signature file specified for non verify\n");
- goto end;
- }
- if (!sigfile && (pkey_op == EVP_PKEY_OP_VERIFY))
- {
- BIO_puts(bio_err, "No signature file specified for verify\n");
- goto end;
- }
- /* FIXME: seed PRNG only if needed */
- app_RAND_load_file(NULL, bio_err, 0);
- if (pkey_op != EVP_PKEY_OP_DERIVE)
- {
- if(infile)
- {
- if(!(in = BIO_new_file(infile, "rb")))
- {
- BIO_puts(bio_err,
- "Error Opening Input File\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- }
- else
- in = BIO_new_fp(stdin, BIO_NOCLOSE);
- }
- if(outfile)
- {
- if(!(out = BIO_new_file(outfile, "wb")))
- {
- BIO_printf(bio_err, "Error Creating Output File\n");
- ERR_print_errors(bio_err);
- 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 (sigfile)
- {
- BIO *sigbio = BIO_new_file(sigfile, "rb");
- if (!sigbio)
- {
- BIO_printf(bio_err, "Can't open signature file %s\n",
- sigfile);
- goto end;
- }
- siglen = bio_to_mem(&sig, keysize * 10, sigbio);
- BIO_free(sigbio);
- if (siglen <= 0)
- {
- BIO_printf(bio_err, "Error reading signature data\n");
- goto end;
- }
- }
-
- if (in)
- {
- /* Read the input data */
- buf_inlen = bio_to_mem(&buf_in, keysize * 10, in);
- if(buf_inlen <= 0)
- {
- BIO_printf(bio_err, "Error reading input Data\n");
- exit(1);
- }
- if(rev)
- {
- int i;
- unsigned char ctmp;
- for(i = 0; i < buf_inlen/2; i++)
- {
- ctmp = buf_in[i];
- buf_in[i] = buf_in[buf_inlen - 1 - i];
- buf_in[buf_inlen - 1 - i] = ctmp;
- }
- }
- }
- if(pkey_op == EVP_PKEY_OP_VERIFY)
- {
- rv = EVP_PKEY_verify(ctx, sig, siglen, buf_in, buf_inlen);
- if (rv == 0)
- BIO_puts(out, "Signature Verification Failure\n");
- else if (rv == 1)
- BIO_puts(out, "Signature Verified Successfully\n");
- if (rv >= 0)
- goto end;
- }
- else
- {
- rv = do_keyop(ctx, pkey_op, NULL, &buf_outlen,
- buf_in, buf_inlen);
- if (rv > 0)
- {
- buf_out = OPENSSL_malloc(buf_outlen);
- if (!buf_out)
- rv = -1;
- else
- rv = do_keyop(ctx, pkey_op,
- buf_out, &buf_outlen,
- buf_in, buf_inlen);
- }
- }
- if(rv <= 0)
- {
- BIO_printf(bio_err, "Public Key operation error\n");
- ERR_print_errors(bio_err);
- goto end;
- }
- ret = 0;
- if(asn1parse)
- {
- if(!ASN1_parse_dump(out, buf_out, buf_outlen, 1, -1))
- ERR_print_errors(bio_err);
- }
- else if(hexdump)
- BIO_dump(out, (char *)buf_out, buf_outlen);
- else
- BIO_write(out, buf_out, buf_outlen);
- end:
- if (ctx)
- EVP_PKEY_CTX_free(ctx);
- BIO_free(in);
- BIO_free_all(out);
- if (buf_in)
- OPENSSL_free(buf_in);
- if (buf_out)
- OPENSSL_free(buf_out);
- if (sig)
- OPENSSL_free(sig);
- return ret;
- }
- static void usage()
- {
- BIO_printf(bio_err, "Usage: pkeyutl [options]\n");
- BIO_printf(bio_err, "-in file input file\n");
- BIO_printf(bio_err, "-out file output file\n");
- BIO_printf(bio_err, "-signature file signature file (verify operation only)\n");
- BIO_printf(bio_err, "-inkey file input key\n");
- BIO_printf(bio_err, "-keyform arg private key format - default PEM\n");
- BIO_printf(bio_err, "-pubin input is a public key\n");
- BIO_printf(bio_err, "-certin input is a certificate carrying a public key\n");
- BIO_printf(bio_err, "-pkeyopt X:Y public key options\n");
- BIO_printf(bio_err, "-sign sign with private key\n");
- BIO_printf(bio_err, "-verify verify with public key\n");
- BIO_printf(bio_err, "-verifyrecover verify with public key, recover original data\n");
- BIO_printf(bio_err, "-encrypt encrypt with public key\n");
- BIO_printf(bio_err, "-decrypt decrypt with private key\n");
- BIO_printf(bio_err, "-derive derive shared secret\n");
- BIO_printf(bio_err, "-hexdump hex dump output\n");
- #ifndef OPENSSL_NO_ENGINE
- BIO_printf(bio_err, "-engine e use engine e, possibly a hardware device.\n");
- #endif
- BIO_printf(bio_err, "-passin arg pass phrase source\n");
- }
- static EVP_PKEY_CTX *init_ctx(int *pkeysize,
- char *keyfile, int keyform, int key_type,
- char *passargin, int pkey_op, ENGINE *e)
- {
- EVP_PKEY *pkey = NULL;
- EVP_PKEY_CTX *ctx = NULL;
- char *passin = NULL;
- int rv = -1;
- X509 *x;
- if(((pkey_op == EVP_PKEY_OP_SIGN) || (pkey_op == EVP_PKEY_OP_DECRYPT)
- || (pkey_op == EVP_PKEY_OP_DERIVE))
- && (key_type != KEY_PRIVKEY))
- {
- BIO_printf(bio_err, "A private key is needed for this operation\n");
- goto end;
- }
- if(!app_passwd(bio_err, passargin, NULL, &passin, NULL))
- {
- BIO_printf(bio_err, "Error getting password\n");
- goto end;
- }
- switch(key_type)
- {
- case KEY_PRIVKEY:
- pkey = load_key(bio_err, keyfile, keyform, 0,
- passin, e, "Private Key");
- break;
- case KEY_PUBKEY:
- pkey = load_pubkey(bio_err, keyfile, keyform, 0,
- NULL, e, "Public Key");
- break;
- case KEY_CERT:
- x = load_cert(bio_err, keyfile, keyform,
- NULL, e, "Certificate");
- if(x)
- {
- pkey = X509_get_pubkey(x);
- X509_free(x);
- }
- break;
- }
- *pkeysize = EVP_PKEY_size(pkey);
- if (!pkey)
- goto end;
- ctx = EVP_PKEY_CTX_new(pkey, e);
- EVP_PKEY_free(pkey);
- if (!ctx)
- goto end;
- switch(pkey_op)
- {
- case EVP_PKEY_OP_SIGN:
- rv = EVP_PKEY_sign_init(ctx);
- break;
- case EVP_PKEY_OP_VERIFY:
- rv = EVP_PKEY_verify_init(ctx);
- break;
- case EVP_PKEY_OP_VERIFYRECOVER:
- rv = EVP_PKEY_verify_recover_init(ctx);
- break;
- case EVP_PKEY_OP_ENCRYPT:
- rv = EVP_PKEY_encrypt_init(ctx);
- break;
- case EVP_PKEY_OP_DECRYPT:
- rv = EVP_PKEY_decrypt_init(ctx);
- break;
- case EVP_PKEY_OP_DERIVE:
- rv = EVP_PKEY_derive_init(ctx);
- break;
- }
- if (rv <= 0)
- {
- EVP_PKEY_CTX_free(ctx);
- ctx = NULL;
- }
- end:
- if (passin)
- OPENSSL_free(passin);
- return ctx;
- }
- static int setup_peer(BIO *err, EVP_PKEY_CTX *ctx, int peerform,
- const char *file)
- {
- EVP_PKEY *peer = NULL;
- int ret;
- if (!ctx)
- {
- BIO_puts(err, "-peerkey command before -inkey\n");
- return 0;
- }
-
- peer = load_pubkey(bio_err, file, peerform, 0, NULL, NULL, "Peer Key");
- if (!peer)
- {
- BIO_printf(bio_err, "Error reading peer key %s\n", file);
- ERR_print_errors(err);
- return 0;
- }
- ret = EVP_PKEY_derive_set_peer(ctx, peer);
- EVP_PKEY_free(peer);
- if (ret <= 0)
- ERR_print_errors(err);
- return ret;
- }
- static int do_keyop(EVP_PKEY_CTX *ctx, int pkey_op,
- unsigned char *out, int *poutlen,
- unsigned char *in, int inlen)
- {
- int rv;
- switch(pkey_op)
- {
- case EVP_PKEY_OP_VERIFYRECOVER:
- rv = EVP_PKEY_verify_recover(ctx, out, poutlen, in, inlen);
- break;
- case EVP_PKEY_OP_SIGN:
- rv = EVP_PKEY_sign(ctx, out, poutlen, in, inlen);
- break;
- case EVP_PKEY_OP_ENCRYPT:
- rv = EVP_PKEY_encrypt(ctx, out, poutlen, in, inlen);
- break;
- case EVP_PKEY_OP_DECRYPT:
- rv = EVP_PKEY_decrypt(ctx, out, poutlen, in, inlen);
- break;
- case EVP_PKEY_OP_DERIVE:
- rv = EVP_PKEY_derive(ctx, out, poutlen);
- break;
- }
- return rv;
- }
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