diff options
Diffstat (limited to 'openssl/apps/pkeyutl.c')
| -rw-r--r-- | openssl/apps/pkeyutl.c | 570 |
1 files changed, 570 insertions, 0 deletions
diff --git a/openssl/apps/pkeyutl.c b/openssl/apps/pkeyutl.c new file mode 100644 index 00000000..7eb3f5c5 --- /dev/null +++ b/openssl/apps/pkeyutl.c @@ -0,0 +1,570 @@ +/* Written by Dr Stephen N Henson (steve@openssl.org) 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, size_t *poutlen, + unsigned char *in, size_t 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; + size_t buf_outlen; + int buf_inlen = 0, 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; + else infile= *(++argv); + } + else if (!strcmp(*argv,"-out")) + { + if (--argc < 1) badarg = 1; + else outfile= *(++argv); + } + else if (!strcmp(*argv,"-sigfile")) + { + if (--argc < 1) badarg = 1; + else 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; + else passargin= *(++argv); + } + else if (strcmp(*argv,"-peerform") == 0) + { + if (--argc < 1) badarg = 1; + else peerform=str2fmt(*(++argv)); + } + else if (strcmp(*argv,"-keyform") == 0) + { + if (--argc < 1) badarg = 1; + else 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) + { + size_t i; + unsigned char ctmp; + size_t l = (size_t)buf_inlen; + for(i = 0; i < l/2; i++) + { + ctmp = buf_in[i]; + buf_in[i] = buf_in[l - 1 - i]; + buf_in[l - 1 - i] = ctmp; + } + } + } + + if(pkey_op == EVP_PKEY_OP_VERIFY) + { + rv = EVP_PKEY_verify(ctx, sig, (size_t)siglen, + buf_in, (size_t)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, (size_t *)&buf_outlen, + buf_in, (size_t)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, (size_t *)&buf_outlen, + buf_in, (size_t)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, "-sigfile 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, size_t *poutlen, + unsigned char *in, size_t inlen) + { + int rv = 0; + 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; + } |