* 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 <sys/ioctl.h>
#include <crypto/cryptodev.h>
#include <unistd.h>
-#include <openssl/evp.h>
-#include <openssl/objects.h>
-#include "evp_locl.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 data(ctx) EVP_C_DATA(session_op,ctx)
+#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(EVP_CIPHER_CTX *ctx)
+static int dev_crypto_init(session_op *ses)
{
if(dev_failed)
return 0;
}
close(cryptodev_fd);
}
- assert(data(ctx));
- memset(data(ctx),'\0',sizeof *data(ctx));
- data(ctx)->key=OPENSSL_malloc(MAX_HW_KEY);
+ assert(ses);
+ memset(ses,'\0',sizeof *ses);
return 1;
}
static int dev_crypto_cleanup(EVP_CIPHER_CTX *ctx)
{
- printf("Cleanup %d\n",data(ctx)->ses);
- if(ioctl(fd,CIOCFSESSION,&data(ctx)->ses) == -1)
+ if(ioctl(fd,CIOCFSESSION,&CDATA(ctx)->ses) == -1)
err("CIOCFSESSION failed");
- OPENSSL_free(data(ctx)->key);
+ OPENSSL_free(CDATA(ctx)->key);
return 1;
}
-/* FIXME: there should be some non-fatal way to report we fell back to s/w? */
static int dev_crypto_init_key(EVP_CIPHER_CTX *ctx,int cipher,
const unsigned char *key,int klen)
{
- if(!dev_crypto_init(ctx))
+ 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(data(ctx)->key,key,klen);
+ memcpy(CDATA(ctx)->key,key,klen);
- data(ctx)->cipher=cipher;
- data(ctx)->mac=0;
- data(ctx)->keylen=klen;
+ CDATA(ctx)->cipher=cipher;
+ CDATA(ctx)->keylen=klen;
- if (ioctl(fd,CIOCGSESSION,data(ctx)) == -1)
+ if (ioctl(fd,CIOCGSESSION,CDATA(ctx)) == -1)
{
err("CIOCGSESSION failed");
return 0;
}
- printf("Init %d\n",data(ctx)->ses);
return 1;
}
struct crypt_op cryp;
unsigned char lb[MAX_HW_IV];
- assert(data(ctx));
+ if(!inl)
+ return 1;
+
+ assert(CDATA(ctx));
assert(!dev_failed);
memset(&cryp,'\0',sizeof cryp);
- cryp.ses=data(ctx)->ses;
+ 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) == 0);
+ assert((inl&(ctx->cipher->block_size-1)) == 0);
cryp.src=(caddr_t)in;
cryp.dst=(caddr_t)out;
cryp.mac=0;
if(!ctx->encrypt)
memcpy(lb,&in[cryp.len-ctx->cipher->iv_len],ctx->cipher->iv_len);
- if (ioctl(fd, CIOCCRYPT, &cryp) == -1)
+ if(ioctl(fd, CIOCCRYPT, &cryp) == -1)
{
- err("CIOCCRYPT failed");
- abort();
- return 0;
+ 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)
const EVP_CIPHER *EVP_dev_crypto_rc4(void)
{ return &r4_cipher; }
-#else
-static void *dummy=&dummy;
+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
projects / openssl.git / blobdiff