diff options
Diffstat (limited to 'openssl/crypto/evp/openbsd_hw.c')
-rw-r--r-- | openssl/crypto/evp/openbsd_hw.c | 446 |
1 files changed, 0 insertions, 446 deletions
diff --git a/openssl/crypto/evp/openbsd_hw.c b/openssl/crypto/evp/openbsd_hw.c deleted file mode 100644 index 3831a573..00000000 --- a/openssl/crypto/evp/openbsd_hw.c +++ /dev/null @@ -1,446 +0,0 @@ -/* Written by Ben Laurie, 2001 */ -/* - * Copyright (c) 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 - * openssl-core@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. - */ - -#include <openssl/evp.h> -#include <openssl/objects.h> -#include <openssl/rsa.h> -#include "evp_locl.h" - -/* This stuff should now all be supported through - * crypto/engine/hw_openbsd_dev_crypto.c unless I botched it up */ -static void *dummy=&dummy; - -#if 0 - -/* check flag after OpenSSL headers to ensure make depend works */ -#ifdef OPENSSL_OPENBSD_DEV_CRYPTO - -#include <fcntl.h> -#include <stdio.h> -#include <errno.h> -#include <sys/ioctl.h> -#include <crypto/cryptodev.h> -#include <unistd.h> -#include <assert.h> - -/* 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) - { - 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); } - -#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 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); } - -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 - }; - -const EVP_CIPHER *EVP_dev_crypto_rc4(void) - { return &r4_cipher; } - -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; - } - return 1; - } - -static int dev_crypto_cleanup_digest(MD_DATA *md_data) - { - 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) /* 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); - } - -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), - }; - -const EVP_MD *EVP_dev_crypto_md5(void) - { return &md5_md; } - -#endif -#endif |