diff options
author | Richard Levitte <levitte@openssl.org> | 2002-10-02 00:22:44 +0000 |
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committer | Richard Levitte <levitte@openssl.org> | 2002-10-02 00:22:44 +0000 |
commit | 20b33a015f1ea8b0927aa5057d2e6abe053b902f (patch) | |
tree | beb6c4b1830e35b2d3b3b70651e9418a684212e7 /crypto | |
parent | 293d5082c75b72ae56cfac02deb5dd6357130c2d (diff) |
Removal missing
Diffstat (limited to 'crypto')
-rw-r--r-- | crypto/engine/hw_openbsd_dev_crypto.c | 594 |
1 files changed, 0 insertions, 594 deletions
diff --git a/crypto/engine/hw_openbsd_dev_crypto.c b/crypto/engine/hw_openbsd_dev_crypto.c deleted file mode 100644 index b8aab545db..0000000000 --- a/crypto/engine/hw_openbsd_dev_crypto.c +++ /dev/null @@ -1,594 +0,0 @@ -/* Written by Ben Laurie <ben@algroup.co.uk> August 2001 */ -/* ==================================================================== - * Copyright (c) 1999-2001 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 <openssl/engine.h> -#include <openssl/evp.h> -#include "eng_int.h" -/* Maybe this is needed? ... */ -#ifdef FLAT_INC -#include "evp_locl.h" -#else -#include "../evp/evp_locl.h" -#endif -#include <openssl/conf.h> - -#ifndef OPENSSL_OPENBSD_DEV_CRYPTO - -void ENGINE_load_openbsd_dev_crypto(void) - { - /* This is a NOP unless OPENSSL_OPENBSD_DEV_CRYPTO is defined */ - return; - } - -#else /* OPENSSL_OPENBSD_DEV_CRYPTO */ - -#include <fcntl.h> -#include <stdio.h> -#include <errno.h> -#include <assert.h> -#include <unistd.h> -#include <sys/ioctl.h> - -#include <crypto/cryptodev.h> - -/****************************************************/ -/* Declare the normal generic ENGINE stuff here ... */ - -static int dev_crypto_ciphers(ENGINE *e, const EVP_CIPHER **cipher, - const int **nids, int nid); -static int dev_crypto_digests(ENGINE *e, const EVP_MD **digest, - const int **nids, int nid); - -static const char dev_crypto_id[] = "openbsd_dev_crypto"; -static const char dev_crypto_name[] = "OpenBSD /dev/crypto"; - -static long allow_misaligned; - -#define DEV_CRYPTO_CMD_ALLOW_MISALIGNED ENGINE_CMD_BASE -static const ENGINE_CMD_DEFN dev_crypto_cmd_defns[]= - { - { DEV_CRYPTO_CMD_ALLOW_MISALIGNED, - "allow_misaligned", - "Permit misaligned data to be used", - ENGINE_CMD_FLAG_NUMERIC }, - { 0, NULL, NULL, 0 } - }; - -static int dev_crypto_ctrl(ENGINE *e, int cmd, long i, void *p, void (*f)()) - { - switch(cmd) - { - case DEV_CRYPTO_CMD_ALLOW_MISALIGNED: - allow_misaligned=i; - printf("allow misaligned=%ld\n",allow_misaligned); - break; - } - - return 1; - } - -static ENGINE *engine_openbsd_dev_crypto(void) - { - ENGINE *engine=ENGINE_new(); - - if(!ENGINE_set_id(engine, dev_crypto_id) || - !ENGINE_set_name(engine, dev_crypto_name) || - !ENGINE_set_ciphers(engine, dev_crypto_ciphers) || - !ENGINE_set_digests(engine, dev_crypto_digests) || - !ENGINE_set_ctrl_function(engine, dev_crypto_ctrl) || - !ENGINE_set_cmd_defns(engine, dev_crypto_cmd_defns)) - { - ENGINE_free(engine); - return NULL; - } - - return engine; - } - -void ENGINE_load_openbsd_dev_crypto(void) - { - /* Copied from eng_[openssl|dyn].c */ - ENGINE *toadd = engine_openbsd_dev_crypto(); - if(!toadd) return; - ENGINE_add(toadd); - ENGINE_free(toadd); - ERR_clear_error(); - } - -/******************************************************************************/ -/* Clip in the stuff from crypto/evp/openbsd_hw.c here. NB: What has changed? */ -/* I've removed the exposed EVP_*** functions, they're accessed through the */ -/* "dev_crypto_[ciphers|digests]" handlers. I've also moved the EVP_CIPHER */ -/* and EVP_MD structures to the bottom where they are close to the handlers */ -/* that expose them. What should be done? The global data (file-descriptors, */ -/* etc) should be put into ENGINE's ex_data support, and per-context data */ -/* (also file-descriptors perhaps) should be put into the contexts. Also code */ -/* formatting, fprintf statements, and OpenSSL-style error handling should be */ -/* added (dynamically, like the other ENGINEs). Also, "dynamic" support */ -/* be added to this ENGINE once it's up and running so that it could be built */ -/* as a shared-library. What else? device initialisation should take place */ -/* inside an ENGINE 'init()' handler (and likewise 'finish()'). ciphers and */ -/* digests won't be used by the framework unless the ENGINE has been */ -/* successfully initialised (that's one of the things you get for free) so */ -/* initialisation, including returning failure if device setup fails, can be */ -/* handled quite cleanly. This could presumably handle the opening (and then */ -/* closing inside 'finish()') of the 'cryptodev_fd' file-descriptor). */ - -/* longest key supported in hardware */ -#define MAX_HW_KEY 24 -#define MAX_HW_IV 8 - -#define MD5_DIGEST_LENGTH 16 -#define MD5_CBLOCK 64 - -static int fd; -static int dev_failed; - -typedef struct session_op session_op; - -#define CDATA(ctx) EVP_C_DATA(session_op,ctx) - -static void err(const char *str) - { - fprintf(stderr,"%s: errno %d\n",str,errno); - } - -static int dev_crypto_init(session_op *ses) - { - if(dev_failed) - return 0; - if(!fd) - { - int cryptodev_fd; - - if ((cryptodev_fd=open("/dev/crypto",O_RDWR,0)) < 0) - { - err("/dev/crypto"); - dev_failed=1; - return 0; - } - if (ioctl(cryptodev_fd,CRIOGET,&fd) == -1) - { - err("CRIOGET failed"); - close(cryptodev_fd); - dev_failed=1; - return 0; - } - close(cryptodev_fd); - } - assert(ses); - memset(ses,'\0',sizeof *ses); - - return 1; - } - -static int dev_crypto_cleanup(EVP_CIPHER_CTX *ctx) - { - fprintf(stderr,"cleanup %d\n",CDATA(ctx)->ses); - if(ioctl(fd,CIOCFSESSION,&CDATA(ctx)->ses) == -1) - err("CIOCFSESSION failed"); - - OPENSSL_free(CDATA(ctx)->key); - - return 1; - } - -static int dev_crypto_init_key(EVP_CIPHER_CTX *ctx,int cipher, - const unsigned char *key,int klen) - { - if(!dev_crypto_init(CDATA(ctx))) - return 0; - - CDATA(ctx)->key=OPENSSL_malloc(MAX_HW_KEY); - - assert(ctx->cipher->iv_len <= MAX_HW_IV); - - memcpy(CDATA(ctx)->key,key,klen); - - CDATA(ctx)->cipher=cipher; - CDATA(ctx)->keylen=klen; - - if (ioctl(fd,CIOCGSESSION,CDATA(ctx)) == -1) - { - err("CIOCGSESSION failed"); - return 0; - } - return 1; - } - -static int dev_crypto_cipher(EVP_CIPHER_CTX *ctx,unsigned char *out, - const unsigned char *in,unsigned int inl) - { - struct crypt_op cryp; - unsigned char lb[MAX_HW_IV]; - - if(!inl) - return 1; - - assert(CDATA(ctx)); - assert(!dev_failed); - - memset(&cryp,'\0',sizeof cryp); - cryp.ses=CDATA(ctx)->ses; - cryp.op=ctx->encrypt ? COP_ENCRYPT : COP_DECRYPT; - cryp.flags=0; - cryp.len=inl; - assert((inl&(ctx->cipher->block_size-1)) == 0); - cryp.src=(caddr_t)in; - cryp.dst=(caddr_t)out; - cryp.mac=0; - if(ctx->cipher->iv_len) - cryp.iv=(caddr_t)ctx->iv; - - if(!ctx->encrypt) - memcpy(lb,&in[cryp.len-ctx->cipher->iv_len],ctx->cipher->iv_len); - - if(ioctl(fd, CIOCCRYPT, &cryp) == -1) - { - if(errno == EINVAL) /* buffers are misaligned */ - { - unsigned int cinl=0; - char *cin=NULL; - char *cout=NULL; - - /* NB: this can only make cinl != inl with stream ciphers */ - cinl=(inl+3)/4*4; - - if(((unsigned long)in&3) || cinl != inl) - { - cin=OPENSSL_malloc(cinl); - memcpy(cin,in,inl); - cryp.src=cin; - } - - if(((unsigned long)out&3) || cinl != inl) - { - cout=OPENSSL_malloc(cinl); - cryp.dst=cout; - } - - cryp.len=cinl; - - if(ioctl(fd, CIOCCRYPT, &cryp) == -1) - { - err("CIOCCRYPT(2) failed"); - printf("src=%p dst=%p\n",cryp.src,cryp.dst); - abort(); - return 0; - } - - if(cout) - { - memcpy(out,cout,inl); - OPENSSL_free(cout); - } - if(cin) - OPENSSL_free(cin); - } - else - { - err("CIOCCRYPT failed"); - abort(); - return 0; - } - } - - if(ctx->encrypt) - memcpy(ctx->iv,&out[cryp.len-ctx->cipher->iv_len],ctx->cipher->iv_len); - else - memcpy(ctx->iv,lb,ctx->cipher->iv_len); - - return 1; - } - -static int dev_crypto_des_ede3_init_key(EVP_CIPHER_CTX *ctx, - const unsigned char *key, - const unsigned char *iv, int enc) - { return dev_crypto_init_key(ctx,CRYPTO_3DES_CBC,key,24); } - -static int dev_crypto_rc4_init_key(EVP_CIPHER_CTX *ctx, - const unsigned char *key, - const unsigned char *iv, int enc) - { return dev_crypto_init_key(ctx,CRYPTO_ARC4,key,16); } - -typedef struct - { - session_op sess; - char *data; - int len; - unsigned char md[EVP_MAX_MD_SIZE]; - } MD_DATA; - -static int dev_crypto_init_digest(MD_DATA *md_data,int mac) - { - if(!dev_crypto_init(&md_data->sess)) - return 0; - - md_data->len=0; - md_data->data=NULL; - - md_data->sess.mac=mac; - - if (ioctl(fd,CIOCGSESSION,&md_data->sess) == -1) - { - err("CIOCGSESSION failed"); - return 0; - } - fprintf(stderr,"opened %d\n",md_data->sess.ses); - return 1; - } - -static int dev_crypto_cleanup_digest(MD_DATA *md_data) - { - fprintf(stderr,"cleanup %d\n",md_data->sess.ses); - if (ioctl(fd,CIOCFSESSION,&md_data->sess.ses) == -1) - { - err("CIOCFSESSION failed"); - return 0; - } - - return 1; - } - -/* FIXME: if device can do chained MACs, then don't accumulate */ -/* FIXME: move accumulation to the framework */ -static int dev_crypto_md5_init(EVP_MD_CTX *ctx) - { return dev_crypto_init_digest(ctx->md_data,CRYPTO_MD5); } - -static int do_digest(int ses,unsigned char *md,const void *data,int len) - { - struct crypt_op cryp; - static unsigned char md5zero[16]= - { - 0xd4,0x1d,0x8c,0xd9,0x8f,0x00,0xb2,0x04, - 0xe9,0x80,0x09,0x98,0xec,0xf8,0x42,0x7e - }; - - /* some cards can't do zero length */ - if(!len) - { - memcpy(md,md5zero,16); - return 1; - } - - memset(&cryp,'\0',sizeof cryp); - cryp.ses=ses; - cryp.op=COP_ENCRYPT;/* required to do the MAC rather than check it */ - cryp.len=len; - cryp.src=(caddr_t)data; - cryp.dst=(caddr_t)data; /* FIXME!!! */ - cryp.mac=(caddr_t)md; - - if(ioctl(fd, CIOCCRYPT, &cryp) == -1) - { - if(errno == EINVAL && allow_misaligned) /* buffer is misaligned */ - { - char *dcopy; - - dcopy=OPENSSL_malloc(len); - memcpy(dcopy,data,len); - cryp.src=dcopy; - cryp.dst=cryp.src; /* FIXME!!! */ - - if(ioctl(fd, CIOCCRYPT, &cryp) == -1) - { - err("CIOCCRYPT(MAC2) failed"); - abort(); - return 0; - } - OPENSSL_free(dcopy); - } - else - { - err("CIOCCRYPT(MAC) failed"); - abort(); - return 0; - } - } - /* printf("done\n"); */ - - return 1; - } - -static int dev_crypto_md5_update(EVP_MD_CTX *ctx,const void *data, - unsigned long len) - { - MD_DATA *md_data=ctx->md_data; - - if(ctx->flags&EVP_MD_CTX_FLAG_ONESHOT) - return do_digest(md_data->sess.ses,md_data->md,data,len); - - md_data->data=OPENSSL_realloc(md_data->data,md_data->len+len); - memcpy(md_data->data+md_data->len,data,len); - md_data->len+=len; - - return 1; - } - -static int dev_crypto_md5_final(EVP_MD_CTX *ctx,unsigned char *md) - { - int ret; - MD_DATA *md_data=ctx->md_data; - - if(ctx->flags&EVP_MD_CTX_FLAG_ONESHOT) - { - memcpy(md,md_data->md,MD5_DIGEST_LENGTH); - ret=1; - } - else - { - ret=do_digest(md_data->sess.ses,md,md_data->data,md_data->len); - OPENSSL_free(md_data->data); - md_data->data=NULL; - md_data->len=0; - } - - return ret; - } - -static int dev_crypto_md5_copy(EVP_MD_CTX *to,const EVP_MD_CTX *from) - { - const MD_DATA *from_md=from->md_data; - MD_DATA *to_md=to->md_data; - - /* How do we copy sessions? */ - assert(from->digest->flags&EVP_MD_FLAG_ONESHOT); - - to_md->data=OPENSSL_malloc(from_md->len); - memcpy(to_md->data,from_md->data,from_md->len); - - return 1; - } - -static int dev_crypto_md5_cleanup(EVP_MD_CTX *ctx) - { - return dev_crypto_cleanup_digest(ctx->md_data); - } - -/**************************************************************************/ -/* Here are the moved declarations of the EVP_CIPHER and EVP_MD */ -/* implementations. They're down here to be within easy editor-distance */ -/* of the digests and ciphers handler functions. */ - -#define dev_crypto_des_ede3_cbc_cipher dev_crypto_cipher - -BLOCK_CIPHER_def_cbc(dev_crypto_des_ede3, session_op, NID_des_ede3, 8, 24, 8, - 0, dev_crypto_des_ede3_init_key, - dev_crypto_cleanup, - EVP_CIPHER_set_asn1_iv, - EVP_CIPHER_get_asn1_iv, - NULL) - -static const EVP_CIPHER r4_cipher= - { - NID_rc4, - 1,16,0, /* FIXME: key should be up to 256 bytes */ - EVP_CIPH_VARIABLE_LENGTH, - dev_crypto_rc4_init_key, - dev_crypto_cipher, - dev_crypto_cleanup, - sizeof(session_op), - NULL, - NULL, - NULL - }; - -static const EVP_MD md5_md= - { - NID_md5, - NID_md5WithRSAEncryption, - MD5_DIGEST_LENGTH, - EVP_MD_FLAG_ONESHOT, /* XXX: set according to device info... */ - dev_crypto_md5_init, - dev_crypto_md5_update, - dev_crypto_md5_final, - dev_crypto_md5_copy, - dev_crypto_md5_cleanup, - EVP_PKEY_RSA_method, - MD5_CBLOCK, - sizeof(MD_DATA), - }; - -/****************************************************************/ -/* Implement the dev_crypto_[ciphers|digests] handlers here ... */ - -static int cipher_nids[] = {NID_des_ede3_cbc, NID_rc4}; -static int cipher_nids_num = 2; -static int digest_nids[] = {NID_md5}; -static int digest_nids_num = 1; - -static int dev_crypto_ciphers(ENGINE *e, const EVP_CIPHER **cipher, - const int **nids, int nid) - { - if(!cipher) - { - /* We are returning a list of supported nids */ - *nids = cipher_nids; - return cipher_nids_num; - } - /* We are being asked for a specific cipher */ - if(nid == NID_rc4) - *cipher = &r4_cipher; - else if(nid == NID_des_ede3_cbc) - *cipher = &dev_crypto_des_ede3_cbc; - else - { - *cipher = NULL; - return 0; - } - return 1; - } - -static int dev_crypto_digests(ENGINE *e, const EVP_MD **digest, - const int **nids, int nid) - { - if(!digest) - { - /* We are returning a list of supported nids */ - *nids = digest_nids; - return digest_nids_num; - } - /* We are being asked for a specific digest */ - if(nid == NID_md5) - *digest = &md5_md; - else - { - *digest = NULL; - return 0; - } - return 1; - } - -#endif /* OPENSSL_OPENBSD_DEV_CRYPTO */ |