diff options
Diffstat (limited to 'deps/openssl/openssl/crypto/evp/openbsd_hw.c')
| -rw-r--r-- | deps/openssl/openssl/crypto/evp/openbsd_hw.c | 453 |
1 files changed, 0 insertions, 453 deletions
diff --git a/deps/openssl/openssl/crypto/evp/openbsd_hw.c b/deps/openssl/openssl/crypto/evp/openbsd_hw.c deleted file mode 100644 index 24a358e543..0000000000 --- a/deps/openssl/openssl/crypto/evp/openbsd_hw.c +++ /dev/null @@ -1,453 +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); - if (CDATA(ctx)->key == NULL { - err("CDATA(ctx)->key memory allocation failed"); - return 0; - } - - 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); - if (cin == NULL) { - err("cin - memory allocation failed"); - abort(); - return 0; - } - 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); - if (dcopy == NULL) { - err("dcopy - memory allocation failed"); - abort(); - return 0; - } - 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); - if (md_data->data == NULL) { - err("DEV_CRYPTO_MD5_UPDATE: unable to allocate memory"); - abort(); - } - 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); - if (to_md->data == NULL) { - err("DEV_CRYPTO_MD5_COPY: unable to allocate memory"); - abort(); - } - 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 |